OperatiOn and parts Manual
MOdel b46s90
walk-behind trOwel
(subaru eX270de5013
GasOline enGine)
Revision #0 (06/13/13)
To find the latest revision of this
publication, visit our website at:
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
pn: 23969
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silicosis/respiratory Warnings
WARNING WARNING
SILICOSIS WARNING
RESPIRATORY HAZARDS
Grinding/cutting/drilling of masonry, concrete, metal and
other materials with silica in their composition may give
off dust or mists containing crystalline silica. Silica is a
basic component of sand, quartz, brick clay, granite and
numerous other minerals and rocks. Repeated and/or
substantial inhalation of airborne crystalline silica can
cause serious or fatal respiratory diseases, including
silicosis. In addition, California and some other
authorities have listed respirable crystalline silica as a
substance known to cause cancer. When cutting such
materials, always follow the respiratory precautions
mentioned above.
Grinding/cutting/drilling of masonry, concrete, metal and
other materials can generate dust, mists and fumes
containing chemicals known to cause serious or fatal
injury or illness, such as respiratory disease, cancer,
birth defects or other reproductive harm. If you are
unfamiliar with the risks associated with the particular
process and/or material being cut or the composition of
the tool being used, review the material safety data
sheet and/or consult your employer, the material
manufacturer/supplier, governmental agencies such as
OSHA and NIOSH and other sources on hazardous
materials. California and some other authorities, for
instance, have published lists of substances known to
cause cancer, reproductive toxicity, or other harmful
effects.
Control dust, mist and fumes at the source where
possible. In this regard use good work practices and
follow the recommendations of the manufacturers or
suppliers, OSHA/NIOSH, and occupational and trade
associations. Water should be used for dust
suppression when wet cutting is feasible. When the
hazards from inhalation of dust, mists and fumes cannot
be eliminated, the operator and any bystanders should
always wear a respirator approved by NIOSH/MSHA for
the materials being used.
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table of contents
component drawings
b46s90 WalK-behind
Nameplate and Decals Assembly..................... 46-47
Standard Handle Assembly.............................. 48-49
Quick-Pitch Handle Assembly (Option) ............ 50-51
Guard Ring Assembly....................................... 52-53
Gearbox Assembly............................................ 54-55
Engine Assembly.............................................. 56-57
Spider Assembly............................................... 58-59
Stabilizer Ring Assembly.................................. 60-61
Blade Assembly................................................ 62-63
troWel
Fuel and Chemical Exposure Warnings .................. 2
Silicosis/Respiratory Warnings................................ 3
Table Of Contents.................................................... 4
Training Checklist .................................................... 5
Daily Pre-Operation Checklist ................................. 6
Safety Information .............................................. 7-11
Trowel Specifications/Dimensions ......................... 12
Engine Specifications ............................................ 13
General Information............................................... 14
Trowel Components............................................... 15
Engine Components.............................................. 16
Assembly and Installation................................. 17-18
Inspection ......................................................... 19-21
Operation.......................................................... 21-26
Options ............................................................. 27-28
Maintenance..................................................... 29-37
Troubleshooting ................................................ 38-41
Wiring Diagram...................................................... 42
Explanation Of Code In Remarks Column............. 44
Suggested Spare Parts ......................................... 45
subaru ex27 engine drawings
Crankcase Assembly........................................ 64-65
Crankshaft Assembly........................................ 66-67
Muffler Assembly.............................................. 68-69
Air Cleaner Assembly....................................... 70-71
Governor Assembly.......................................... 72-73
Blower Assembly.............................................. 74-75
Recoil Starter Assembly................................... 76-77
Fuel Tank Assembly.......................................... 78-78
Carburetor Assembly........................................ 80-81
Ignition Coil Assembly ...................................... 82-83
Oil Sensor Assembly ........................................ 84-85
Terms And Conditions Of Sale — Parts ................ 86
NOTICE
Specifications and part numbers are subject to change
without notice.
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training checKlist
Training checklist
No.
description
OK?
date
Read operation manual
completely.
1
Machine layout, location of
components, checking of engine
oil level.
2
3
4
Fuel system, refueling procedure.
Operation of controls (machine
not running).
Safety controls, safety stop switch
operation.
5
6
7
Emergency stop procedures.
Startup of machine, engine choke.
8
Maintaining a hover.
Maneuvering.
9
10
11
12
13
14
Pitching.
Concrete finishing techniques.
Shutdown of machine.
Lifting of machine (lifting bale).
Machine transport and storage.
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daily pre-operation checKlist
daily pre-Operation checklist
1
Engine oil level
Gearbox oil level
2
3
4
5
Condition of blades
Blade pitch operation
Safety stop switch operation
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safety information
Do not operate or service the equipment before reading
the entire manual. Safety precautions should be followed
at all times when operating this equipment.
Failure to read and understand the safety
messages and operating instructions could
result in injury to yourself and others.
Potential hazard associated with the operation of this
equipment will be referenced with hazard symbols which
may appear throughout this manual in conjunction with
safety messages.
SAFETY HAZARD
SYMBOL
WARNING
Lethal Exhaust Gas Hazard
SaFeTy meSSageS
Inhaling exhaust fumes can result in severe
injury or death.
The four safety messages shown below will inform you
about potential hazards that could injure you or others.The
safety messages specifically address the level of exposure
to the operator and are preceded by one of four words:
DaNgeR,WaRNINg, CaUTION or NOTICe.
Only operate equipment in well ventilated areas.
DO NOT inhale exhaust gases/fumes.
WARNING
Explosive Fuel Hazard
Gasoline fuel can cause fire or explosion. Stop
engine before refueling.
Keep cigarettes, sparks and flames away from hot
surfaces.
SaFeTy SymbOLS
CAUTION
Burn Hazard
daNgEr
HOT PARTS can burn skin.
DO NOT touch hot parts. Allow machine a sufficient
amount of time to cool before performing maintenance.
Indicates a hazardous situation which, if not avoided,
will result in dEaTh or SeRIOUS INjURy.
Warning decals associated with the operation of this
equipment are defined below:
warNiNg
Indicates a hazardous situation which, if not avoided,
COULD result in dEaTh or SeRIOUS INjURy.
DECAL
SAFETY HAZARD
WARNING
Rotating Blade Hazard
CaUTION
Keep hands and feet clear of guard rings.
Stop engine before servicing.
Indicates a hazardous situation which, if not avoided,
COULD result in mINOR or mODeRaTe INjURy.
WARNING
Read Manual
To avoid injury you must read and
understand operator’s manual before
using this machine.
NOTICE
Addresses practices not related to personal injury.
WARNING
Lifting Crush Hazard
NEVER allow any person
to stand underneath the trowel while lifting.
DO NOT lift trowel with pans attached.
ALWAYS make sure handle is securely attached.
On Quick Pitch™ models make sure T-Handle
latch is locked (engaged).
P/N 23700
ALWAYS wear protective clothing when
operating this equipment
P/N 36099
WARNING
Training
This machine to be operated by qualified
personnel. Ask for training as needed.
WARNING
Guard Hazard
NEVER operate this equipment with guards
removed. Keep hands clear.
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safety information
gENEral SafETy
NOTICE
CaUTION
„ This equipment should only be operated by trained and
qualified personnel 18 years of age and older.
„ NeveR operate this equipment without proper protective
clothing, shatterproof glasses, respiratory protection,
hearing protection, steel-toed boots and other protective
devices required by the job or city and state regulations.
„ Whenever necessary, replace nameplate, operation and
safety decals when they become difficult read.
„ Manufacturer does not assume responsibility for any
accident due to equipment modifications. Unauthorized
equipment modification will void all warranties.
„ NeveR use accessories or attachments that are not
recommended by Multiquip for this equipment. Damage
to the equipment and/or injury to user may result.
„ Avoid wearing jewelry or loose fitting clothes that may
snag on the controls or moving parts as this can cause
serious injury.
„ alwayS know the location of the nearest
„ NeveR operate this equipment when not
feeling well due to fatigue, illness or when
under medication.
fire extinguisher.
„ alwayS know the location of the nearest
first aid kit.
„ NeveR operate this equipment under the
influence of drugs or alcohol.
„ alwayS know the location of the nearest phone or keep
a phone on the job site. Also, know the phone numbers
of the nearest ambulance, doctor and fire department.
This information will be invaluable in the case of an
emergency.
„ alwayS clear the work area of any debris, tools, etc.
that would constitute a hazard while the equipment is
in operation.
„ No one other than the operator is to be in the working
area when the equipment is in operation.
„ dO NOT use the equipment for any purpose other than
its intended purposes or applications.
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safety information
TrOwEl SafETy
NOTICE
„ alwayS keep the machine in proper running condition.
daNgEr
„ Fix damage to machine and replace any broken parts
immediately.
„ Engine fuel exhaust gases contain poisonous carbon
monoxide. This gas is colorless and odorless, and can
cause death if inhaled.
„ alwayS store equipment properly when it is not being
used.Equipment should be stored in a clean, dry location
out of the reach of children and unauthorized personnel.
„ The engine of this equipment requires an adequate free
flow of cooling air.NeveRoperate this equipment in any
enclosed or narrow area
„ A safety manual for operating and maintenance
personnel of concrete power trowels produced by the
Association of Equipment Manufacturers (AEM) can be
obtained for a fee by ordering through their website at
where free flow of the air is
restricted. If the air flow is
restricted it will cause injury
to people and property and
serious damage to the
equipment or engine.
DANGEROUS
GAS FUMES
Order FORM PT-160
ENgiNE SafETy
warNiNg
„ NeveRoperate the equipment in an explosive
atmosphere or near combustible materials.An
explosion or fire could result causing severe
bodily harm or even death.
„ dO NOT place hands or fingers inside engine
compartment when engine is running.
warNiNg
„ NeveR operate the engine with heat shields or
guards removed.
„ alwayS keep clear of rotating or moving
parts while operating the trowel.
„ Keep fingers, hands hair and clothing away
from all moving parts to prevent injury.
„ dO NOT start or operate the trowel if the
drive train will not disengage. Centrifugal
force between the trowel and surface when starting can
cause uncontrolled handle movement that can cause
serious injury. The handle must not move while pulling
the engine recoil starter.
„ dO NOT remove the radiator cap while the
engine is hot. High pressure boiling water will gush out
of the radiator and severely scald any persons in the
general area of the trowel.
„ NeveR disconnect any emergency or safety devices.
These devices are intended for operator safety.
Disconnection of these devices can cause severe injury,
bodily harm or even death.Disconnection of any of these
devices will void all warranties.
„ dO NOT remove the coolant drain plug
while the engine is hot. Hot coolant will
gush out of the coolant tank and severely
scald any persons in the general area of
the trowel.
CaUTION
„ dO NOT remove the engine oil drain plug while the
engine is hot. Hot oil will gush out of the oil tank and
severely scald any persons in the general area of the
trowel.
„ NeveR stand on trowel during operation.
„ NeveR lubricate components or attempt service on a
running machine.
CaUTION
„ NeveR place your feet or hands inside the guard rings
while starting or operating this equipment.
„ NeveR touch the hot exhaust manifold,
muffler or cylinder.Allow these parts to cool
before servicing equipment.
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safety information
„ Store fuel in appropriate containers, in well-ventilated
areas and away from sparks and flames.
NOTICE
„ NeveR run engine without an air filter or with a dirty air
filter.Severe engine damage may occur.Service air filter
frequently to prevent engine malfunction.
„ NeveR use fuel as a cleaning agent.
„ dO NOT smoke around or near the
equipment. Fire or explosion could result
from fuel vapors or if fuel is spilled on a
hot engine.
„ NeveR tamper with the factory settings
of the engine or engine governor. Damage
to the engine or equipment can result
if operating in speed ranges above the
maximum allowable.
TraNSpOrTiNg SafETy
CaUTION
FUeL SaFeTy
„ NeveR allow any person or animal to
stand underneath the equipment while
lifting.
daNgEr
„ DO NOT add fuel to equipment if it is placed inside truck
bed with plastic liner. Possibility exists of explosion or
fire due to static electricity.
NOTICE
FUEL
„ Some walk-behind trowels can be lifted or moved by two
people utilizing lifting tubes or other special attachments.
Generally, however, they must be lifted using lifting bales
and cranes, hoists, or forklifts.
„ NeveR transport trowel with float pans attached unless
safety catches are used and are specifically cleared for
such transport by the manufacturer.
FUEL
„ NeveR hoist the trowel more than three feet off the
ground with float pans attached.
„ Before lifting, make sure that the lifting bales are not
damaged.
„ Always make sure crane or lifting device has been
properly secured to the lifting bales of the equipment.
„ dO NOT start the engine near spilled fuel or combustible
fluids. Fuel is extremely flammable and its vapors can
cause an explosion if ignited.
„ alwayS shutdown engine before transporting.
„ alwayS refuel in a well-ventilated area, away from
sparks and open flames.
„ NeveR lift the equipment while the engine is running.
„ Tighten fuel tank cap securely and close fuel cock to
prevent fuel from spilling.
„ alwayS use extreme caution when working with
flammable liquids.
„ Use adequate lifting cable (wire or rope) of sufficient
strength.
„ dO NOT fill the fuel tank while the engine is running
or hot.
„ dO NOT lift machine to unnecessary heights.
„ dO NOT overfill tank, since spilled fuel could ignite if it
comes into contact with hot engine parts or sparks from
the ignition system.
„ alwayS tie down equipment during transport by
securing the equipment with rope.
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safety information
eNvIRONmeNTaL SaFeTy/DeCOmmISSIONINg
emISSIONS INFORmaTION
NOTICE
NOTICE
Decommissioning is a controlled process used to safely
retire a piece of equipment that is no longer serviceable.
If the equipment poses an unacceptable and unrepairable
safety risk due to wear or damage or is no longer cost
effective to maintain (beyond life-cycle reliability) and is to
be decommissioned (demolition and dismantlement),be
sure to follow rules below.
The gasoline engine used in this equipment has been
designed to reduce harmful levels of carbon monoxide
(CO), hydrocarbons (HC) and nitrogen oxides (NOx)
contained in gasoline exhaust emissions.
This engine has been certified to meet US EPA Evaporative
emissions requirements in the installed configuration.
Attempting to modify or make adjustments to the engine
emmission system by unauthorized personnel without
proper training could damage the equipment or create an
unsafe condition.
„ dO NOT pour waste or oil directly onto the ground, down
a drain or into any water source.
„ Contact your country's Department of
Public Works or recycling agency in your
area and arrange for proper disposal of
any electrical components, waste or oil
associated with this equipment.
Additionally, modifying the fuel system may adversely affect
evaporative emissions, resulting in fines or other penalties.
Emission control label
„ When the life cycle of this equipment is over, remove
battery and bring to appropriate facility for lead
reclamation. Use safety precautions when handling
batteries that contain sulfuric acid.
The emission control label is an integral part of the emission
system and is strictly controlled by regulation(s).
The label must remain with the engine for its entire life.
„ When the life cycle of this equipment is over, it is
recommended that the trowel frame and all other metal
parts be sent to a recycling center.
If a replacement emission label is needed, please contact
your authorized Honda Engine Distributor.
Metal recycling involves the collection of metal from
discarded products and its transformation into raw
materials to use in manufacturing a new product.
Recyclers and manufacturers alike promote the process
of recycling metal. Using a metal recycling center
promotes energy cost savings.
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troWel specifications/dimensions
TOP VIEW
C
B
A
SIDE VIEW
D
Figure 1. Dimensions
Table 1. Trowel Specifications
A–Height (Lifting Bale) – in. (mm)
31.5 (800) Number of Blades
4
B–Height (Handle) – in. (mm) Standard
40 (1,016) Path Width – in. (mm)
46 (1,168)
60-130
Quick Pitch 40 (1,016) Rotor – RPM (Dry Concrete)
C–Width (Ring Diameter) – in. (mm)
46.5 (1,181) Gear Box Oil Capacity – oz (ml)
26 (769)
Shipping Weight – lbs. (kg)
74 (1,880)
D–Length – in. (mm)
Standard
Quick Pitch
285 (129.3)
295 (133.8)
Table 2. Noise andvibration emissions
Quick PitchTM Handle
86.76
86.76
Guaranteed ISO 11201:2010 Based
Sound Pressure Level at Operator Station in dB(A)a
Standard Handle
Quick PitchTM Handle
105.11
Guaranteed ISO 3744:2010 Based
Sound Power Level in dB(A)b
Standard Handle
105.11
Quick PitchTM Handle
Standard Handle
0.87
0.97
Hand-Arm Vibration Per ISO 5349-1:2001
in m/s2 ∑A(8)
a. With an uncertainty factor K of 2.5 dB (A) included per Note 1 in section 7.2.1 of EN 12649::2008+A1:2011
b. With an uncertainty factor K of 1.5 dB (A) included per Note 1 in section 7.2.1 of EN 12649::2008+A1:2011
NOTES:
1. Sound Pressure and Power Levels are “A” weighted Measures per ISO 3744:2010. They are measured with the operating condition of the
machine which generates the most repeatable but highest values of the sound levels. Under normal circumstances, the sound level will vary
depending on the condition of the material being worked upon.
2. The vibration level indicated is the vector sum of the RMS (Root Mean Square) Values of amplitudes on each axis, standardized to an 8 hour
exposure period, and obtained using operating condition of the machine that generates the most repeatable but highest values in accordance
with the applicable standards for the machine.
3. Per EU Directive 2002/44/EC, the daily exposure action value for hand/arm vibration is 2.5 m/s2 “A(8). The daily exposure limit value is 5 m/
s2 “A(8).
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engine specifications
Table 3. engine Specifications/Dimensions
model
Subaru eX270De5013 engine
Air-cooled 4 stroke, Slant Single Cylinder, OHC,
Horizontal PTO Shaft Gasoline Engine
Type
Bore X Stroke
Displacement
Max. Output
2.95 in. X 2.36 in. (75 mm x 60 mm)
16.17 cu-in. (265 cc)
9.0 H.P. @ 4000 RPM
Fuel Tank Capacity
Fuel
Approx. 1.59 U.S. Gallons (6.1 Liters)
Unleaded Gasoline
Lube Oil Capacity
1.0 qt. (1.0 liters)
4-Stroke API, SF or SG
SAE 10W-30 General Use
Oil Type
Speed Control Method
Cooling System
Centrifugal Fly-weight Type
Forced Air
Starting Method
Recoil Start
Spark Plug Type
Spark Plug Gap
NKG BR6HS
0.028-0.031 in. (0.70 - 0.80 mm)
13.82 x 16.54 X 16.14 in. (351 X 420 X 410 mm)
46.31 lbs (21 Kg.)
Dimension (L x W x H)
Dry Net Weight
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general information
gEarbOx
INTeNDeD USe
The gearbox is located beneath the engine and transfers
power to the spider assembly. The gearbox controls the
rotational speed of the trowel and is equipped with two
shafts (input and output).
Operate this trowel, tools and components in accordance
with the manufacturer's instructions. Use of any other tools
for stated operation is considered contrary to designated
use. The risk of such use lies entirely with the user. The
manufacturer cannot be held liable for damages as a result
of misuse
SpidEr
The vertical output shaft of the gearbox connects to a cast
hub called the spider. The spider has 4 arms that extend
outward that are used for attachment of blades or other
accessories.Remember as the gearbox output shaft rotates
so does the spider assembly.
TROWeL FamILIaRIzaTION
This walk-behind trowel is designed for the floating and
finishing of concrete slabs.
Take a walk around the trowel.Take notice of all the major
components (Figure 2) like the engine, blades, steering
handle, kill switch, gearbox, etc.Check that there is always
oil in the engine.
gUaRD RINg
This unit is equipped with a safety guard ring.It is designed
to help protect items from coming into contact with the
rotating blades while the trowel is in operation.
Read all the safety instructions carefully.Safety instructions
will be found throughout this manual and on the trowel.Keep
all safety information in good, readable condition.Operators
should be well trained on the operation and maintenance
of the trowel.
bladES
The blades of the trowel finish the concrete as they are
rotated around the surface. This trowel comes equipped
with four combination blades (8 in./203 mm wide) per
rotor equally spaced in a radial pattern and attached to a
vertical rotating shaft by means of a spider assembly.
Before using your trowel, test it on a flat watered down
section of finished concrete that is free of any debris and
other objects.
CeNTRIFUgaL SafETy STOp SwiTch
This trial test run will increase your confidence in using the
trowel and at the same time it will familiarize you with the
trowel’s controls. In addition you will understand how the
trowel handles under actual conditions.
In the event of a trowel runaway condition (operator
releases handlebars during operation), the centrifugal
safety stop switch will stop the engine and bring the trowel
to a halt
ENgiNE
CaUTION
This trowel is equipped with a SUBARU 9.0 HP gasoline
engine.Refer to the engine owner’s manual for instructions
regarding the operation and maintenance of your engine.
Please contact your nearest Multiquip Dealer for a
replacement should the original manual disappear or
otherwise become unusable.
NEVER attempt to lift the trowel by yourself. ALWAYS get
the assistance of another person to help lift the trowel.
TraiNiNg
Forpropertraining, pleaseusethe“TraiNiNgchEcKliST”
form located in the front of this manual. This checklist will
provide an outline for an experienced operator to provide
training to a new operator.
DRIve SySTem
Power is transferred from the engine to the gearbox input
shaft via a V-belt pulley drive system. The pulley engages
using a centrifugal clutch. See parts section of this manual
for a breakdown of the drive system.
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troWel components
4
5
6
7
8
3
2
16
9
10
QUICK PITCH ™
HANDLE
(OPTION)
1
9. handlebar adjuster — Change the angle/height of the
handle bars by loosening star wheel, adjust handlebars
to desired location, tighten starwheel firmly to hold
handlebars in that position.
14
15
13
12 11
Figure 2. Trowel Control and Components
10. centrifugal "Kill" Switch — In the event the operator
loses control of the trowel, this switch will shut down
the engine.
Figure 2 shows the location of the basic controls or
components, for the trowel. Listed below is a brief
explanation of each control or component.
11. blades — This trowel is equipped with combination
blades. These blades are versatile and should take
care of most troweling needs. In addition float discs
can be attached to the trowel arms that will allow the
trowel to float on "wet" concrete.
1. access panel — Allows access to the blade area.
NeveR run the trowel with this access panel removed.
2. Engine — Subaru 9.0 HP gasoline engine.
3. lifting bale — Attach a suitable lifting device to lifting
bale whenever lifting of the trowel is required.
12. v-belt Cover — Remove this cover to gain access to
the V-belt. NeveR operate the trowel with this cover
removed.
4. Throttle lever — Controls engine speed. Returns
engine to idle when released.
13. guard ring — NeveR put hands or feet inside guard
ring while the machine is running.
5. vibratory Handle bar — Installed rubber shock
mounts/isolators reduces vibration when the trowel
is operating.
14. gearbox — Helical worm gear drive gearbox.Provides
rotation of blades via engine interface.alwayS check
gearbox oil level (sight glass) prior to each use.Fill with
recommended type gearbox oil.
6. pitch control Star wheel— To adjust the pitch of the
blades, rotate the star wheel clockwise to pitch blades
upwards. Rotate star wheel counterclockwise to pitch
blades flat (no pitch).
15. Trowel arm — NeveR operate the trowel with a bent,
broken or out of adjustment trowel arm. If the blades
show uneven wear patterns or some blades wear out
faster than others, the trowel arm may need to be
adjusted.Use the trowel arm adjustment tool P/N 1817
to adjust the trowel arms.
7. handle bar pad — Foam rubber pad that protects the
body when coming in contact with handle bar.
8. hand grips — When maneuvering of the trowel is
required alwayS place both hands on each grip to
operate the trowel. Replace hand grips when they
become worn or damaged.
16. Quick pitch™ control handle — Contact MQ unit
sales for this option.
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engine components
Figure 3. Engine Components and Controls
INITIaL SeRvICINg
4. fuel filler cap – Remove this cap to add unleaded
gasoline to the fuel tank. Make sure cap is tightened
securely. dO NOT over fill.
The engine (Figure 3) must be checked for proper
lubrication and filled with fuel prior to operation.Refer to the
manufacturer's engine manual for instructions and details
of operation and servicing.
5. Throttle lever – Used to adjust engine RPM speed.
This lever is connect to the throttle lever cable located
on the handle bars.Reference throttle cable installation
procedure in this manual.
1. muffler– Used to reduce noise and emissions.NeveR
touch when hot!
2. air cleaner – Prevents dirt and other debris from
entering the fuel system. Remove wing-nut on top of
air filter canister to gain access to filter element.
6. Recoil Starter (pull rope) – Manual-starting method.
Pull the starter grip until resistance is felt, then pull
briskly and smoothly.
NOTICE
7. choke lever – Used in the starting of a cold engine,
or in cold weather conditions. The choke enriches the
fuel mixture.
Operating the engine without an air filter, with a
damaged air filter, or a filter in need of replacement
will allow dirt to enter the engine, causing rapid engine
wear.
8. Fuel valve Lever – OpEN to let fuel flow, clOSE to
stop the flow of fuel.
3. fuel Tank – Fill with unleaded gasoline. Reference
Table 3 for fuel tank capacity.For additional information
refer to Honda engine owner's manual.
9. Spark plug – Provides spark to the ignition system.
Set spark plug gap according to engine manufacturer's
instructions. Clean spark plug once a week.
daNgEr
10. engine ON/OFF Switch – ON position permits engine
starting, Off position stops engine operation.
Add fuel to the tank only when the engine
is stopped and has had an opportunity to
cool down. In the event of a fuel spill, dO
NOT attempt to start the engine until the
fuel residue has been completely wiped up
and the area surrounding the engine is dry.
11. Oil drain plug – Remove this plug to remove oil from
the engine's crankcase.
12. Dipstick/OilFillerCap – Remove this cap to determine
if the engine oil is low. Add oil through this filler port as
recommended in Table 4.
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assembly and installation
aSSembLy aND INSTaLLaTION
NOTICE
Before the trowel can be put into operation there are some
components that must be installed before the trowel can
be used.This section provides general instructions on how
to install those components. Instruction sheet P/N 20485
provides further details for the handle assembly.
If additional handle height adjustment is desired, a
handle wedge kit can be purchased for your trowel by
ordering P/N 2576 from your Multiquip dealer.
These wedges are placed between the handle and the
gearbox to adjust the operating height of the handle.
This kit comes complete with wedges, new bolts and
installation instructions. This will move your operating
handle position up or down approximately 3” (76 mm).
handle Tube installation
13. Attach the main handle (tube) to the gearbox as shown
in (Figure 4). The mounting hardware should be
contained in the shipping container.
Throttle Cable Installation (engine)
1. Uncoil the throttle cable and housing.
MAIN HANDLE
(TUBE)
2. Feed the throttle cable through the cable housing.
3/8 FLAT
WASHER
3. Connect the trowel throttle cable to the engine
throttle linkage (Figure 6). There should be a piece of
wire installed on the trowel to show where to route the
throttle cable.
3/8-16
NYLOC NUT
4. Route cable end through the cable locking screw.
When connecting the cable housing, make sure that
no more than 1/4" (6.4 mm) of the cable housing
protrudes past the housing clamp on the engine.
3/8-16 X 3.25
HHC SCREW
ENGINE
THROTTLE
LEVER
GEARBOX
Figure 4. Handle Tube Installation
vibratoryT-Handle bar placement
CABLE
LOCKING
SCREW
THROTTLE
CABLE
1. The vibratory T-handle bar is already attached to the
main handle tube.
1/4”
(6.35 MM)
2. To adjust the height of the T-bar, loosen the star wheel
(Figure 5) and position T-handle bar in the desired
position.
CABLE HOUSING
CLAMP/SCREW
T-HANDLE BAR
Figure 6. Throttle Cable Installation (Engine)
5. Tighten cable clamp screw.
6. After the trowel throttle cable has been connected to
the engine throttle linkage, adjust and tighten operator
position of the T-bar handle to lock the throttle cable at
the proper length.
HEIGHT
ADJUSTMENT
STAR WHEEL
Figure 5. T-Handle Bar Adjustment
3. Tighten star wheel firmly.
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assembly and installation
2. For Quick Pitch™ Handle models expose the pitch
cable to maximum by grasping the T-handle (Figure 10),
then squeezing the trigger lock and pushing the
T-handle forward for no pitch (blades flat).
T-HANDLE
7. Adjustment of the throttle cable tension may be
required. If so, loosen the adjusting nut (top nut) on
the throttle cable receiver (Figure 7) and loosen or
tighten the locking nut (bottom nut). Retighten
adjusting nut.
ADJUSTING
NUT (TOP)
TRIGGER
(SQUEEZE)
LOCKING NUT
(BOTTOM)
NO PITCH
FORWARD
Figure 7. Throttle Cable Receiver Adjustment
NOTICE
Figure 10. Blade Pitch T-Handle
(Quick Pitch™ Handle)
If the throttle lever does not return to the "neutral"
position with throttle backed off, loosen adjuster nut 1/2
turn at a time, tighten and recheck. Readjust throttle
tension as necessary.
3. Remove brass set nut #1 from the blade pitch cable
end as shown in (Figure 11).
Safety Stop Switch connection
BLADE
PITCH
CABLE
1. Connect the black tail wire from the engine to the black
safety stop wire from the centrifugal stop switch as
shown in Figure 8.
BRASS SET
NUT #1
BRASS SET
NUT #2
SAFETY STOP WIRE
CONNECTION POINT
Figure 11. Blade Pitch Cable
4. Thread brass set nut #2 (Figure 11) towards the cable
as far as possible.
5. Insert the cable end through the yoke eyelet
(Figure 12).Tighten brass set nut #1 by hand to remove
all the slack from the cable.
Figure 8. Safety Stop Switch Connection
pitch cable installation
1. For Standard Handle models expose the pitch cable
to maximum by turning the blade pitch star wheel
(Figure 9) fully counterclockwise for no pitch (blades
flat).
DECREASE
BLADE PITCH
(CCW)
INCREASE
BLADE PITCH
(CW)
Figure 9. Blade Pitch Star Wheel
(Standard Handle)
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inspection
4. Align the groove on the slider with the text "B" FINISH
or "B" COMBO on the decal. The letter "B" stands for
B-46 Walk-Behind Trowel
BLADE
PITCH
CABLE
CaUTION
alwayS wear approved eye and hearing
protection before operating the trowel.
YOKE
YOKE
EYELET
NeveRplace hands or feet inside the guard
rings while the engine is running. alwayS
shut the engine down before performing any
kind of maintenance service on the trowel.
BRASS SET
NUT #1
BRASS SET
NUT #2
Figure 12. Pitch CableYoke Attachment
before Starting
6. Using a wrench, tighten the brass set #2 nut up against
the yoke boss. This will lock the cable in place.
1. Read all safety instructions at the beginning of manual.
2. Clean the trowel, removing dirt and dust, particularly
the engine cooling air inlet, carburetor and air cleaner.
7. Use a wrench and finish tightening the brass set #1
nut up against the yoke boss.
3. Check the air filter for dirt and dust. If air filter is dirty,
replace air filter with a new one as required.
pre-Load adjustment (Quick pitch™ Handle Only)
warNiNg
4. Check carburetor for external dirt and dust. Clean with
dry compressed air.
The Quick Pitch™ handle is spring loaded, personal
injury or damage could result from improper handling,
installation or adjustment. Use extreme caution when
installing this component.
5. Check fastening nuts and bolts for tightness.
Engine Oil check
1. To check the engine oil level, place the trowel on secure
level ground with the engine stopped.
1. After the Quick-Pitch™ handle has been installed on
the trowel, spring pre-load adjustment will be required.
2. Remove the dipstick from the engine oil filler hole
(Figure 14) and wipe clean.
2. Locate the spring pre-load adjustment screw (Figure 13)
on the underside of the handle tube.
ALIGNMENT
DECAL
PRELOAD TRIM INDICATOR
FINISH
FINISH
COMBO
COMBO
J
B
ADJUSTMENT
SCREW
SLIDER
GROOVE
Figure 14. Engine Oil Dipstick Removal
Figure 13. Spring Pre-Load Adjustment
3. A decal has been placed on the side of the handle
tube to assist the user in the adjustment of the spring.
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inspection
3. Insert and remove the dipstick without screwing it into
the filler neck.Check the oil level shown on the dipstick.
gearbox Oil
1. Determine if the gearbox oil is low by removing the oil
plug located on the side of the gearbox. (Figure 16)
This plug will be marked by the "check" decal. The
correct level of the lubrication oil should be to the
bottom of the fill plug.
4. If the oil level is low (Figure 15), fill to the edge of the
oil filler hole with the recommended oil type as listed
in Table 4. Reference Table 3 for maximum engine oil
capacity.
OIL SIGHT GLASS/
FILL PLUG
GEARBOX
DRAIN
PLUG
Figure 15. Engine Oil Dipstick (Oil Level)
Figure 16. Gearbox
Table 4. Oil Type
2. If lubrication oil begins to seep out as the drain plug
is being removed, then it can be assumed that the
gearbox has a sufficient amount of oil.
Season
Summer
Spring/Fall
Winter
Temperature
25°C or Higher
25°C~10°C
Oil Type
SAE 10W-30
SAE 10W-30/20
SAE 10W-10
3. If lubrication oil does not seep out as the drain plug
is being removed, fill with type ISO 680 (P/N 10139)
gearbox lubricant oil until the oil filler hole overflows.
0°C or Lower
v-belt Check
daNgEr
eXpLOSIve FUeL!
A worn or damaged V-belt can adversely affect the
performance of the trowel. If a V-belt is defective or worn
simply replace the V-belt as outlined in the maintenance
section of this manual.
Motor fuels are highly flammable and can
be dangerous if mishandled. dO NOT
smoke while refueling. dO NOT attempt
to refuel the trowel if the engine is hot! or
running.
belt guard check
Check for damage, loose or missing hardware.
blade check
fuel check
Check for worn or damaged blades. Check to see if one
blade is worn out while the others look new. If this is
the case there could be a blade pitch problem. Refer to
the maintenance section of this manual for blade pitch
adjustment procedure. Replace any worn blades.
1. Visually inspect to see if fuel level is low. If fuel is low,
replenish with unleaded fuel.
2. When refueling, be sure to use a strainer for filtration.
dO NOT top-off fuel. Wipe up any spilled fuel
immediately.
warNiNg
NeveR disable or disconnect the centrifugal safety
"STOP" switch. It is provided for operator safety.Injury
may result if it is disabled, disconnected or improperly
maintained.
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inspection/operation
centrifugal Safety "STOp" Switch
NOTICE
This trowel has been equipped with a centrifugal safety
"STOP" switch (Figure 17). This switch should be tested
every time the engine is started.
dO NOT attempt to operate the trowel until the Safety,
General Information and Inspection sections of this
manual have been read and thoroughly understood.
The switching mechanism of this switch should operate
freely and should always be kept in this condition.With the
switch in the Off position, the engine should not start or
run. The purpose of this switch is to stop the engine in a
runaway situation, (i.e. the operator releasing the handle
during operation).
NOTICE
The trowel is heavy and awkward to move around. Use
proper heavy lifting procedures and dO NOT lift the
trowel by the guard rings.
lifting bale
The lift bale provides an optimal lift point for lifting the trowel.
When lifting the trowel onto a concrete slab, attach a chain
or rope to the lifting bale. Make sure the lifting device has
adequate lifting capacity to lift the trowel.
OFF
ON
Using a crane or forklift (Figure 18) to lift the trowel is highly
recommended, and is perfectly safe for the trowel.alwayS
use extra care when lifting the trowel off the ground.
CENTRIFUGAL
SAFETY “STOP”
SWITCH
Figure 17. Centrifugal Safety "STOP" Switch
Operation
This section is intended to assist the operator with the initial
start-up of the walk-behind trowel. It is extremely important
that this section be read carefully before attempting to use
the trowel in the field. dO NOT use your trowel until this
section is thoroughly understood.
lifting the Trowel Onto a Slab
Extra care should be taken when lifting the trowel off the
ground. Serious damage to the machine or personal injury
could be caused by dropping a trowel.
Figure 18. Lifting the Trowel
warNiNg
NeveR attempt to lift this machine alone. NeveR lift
the trowel by the guard ring as it may rotate and cause
injury.
alwayS make certain the handle is secure and use
only the manufacturer's approved lifting point. The
trowel may be lifted at the center lifting bale by crane
or other lifting device of adequate capacity.
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operation
NeveR lift the trowel to unnecessary heights. dO NOT
stand underneath the trowel while it is being lifted. Serious
damage to the machine or personal injury could be caused
by dropping a trowel.
3. Place the centrifugal safety "STOP" switch
(Figure 21) in the "ON" position.
Starting the Engine
OFF
1. Place the engine fuel valve lever (Figure 19) in the
"ON" position.
ON
OFF
CENTRIFUGAL
SAFETY “STOP”
SWITCH
Figure 21. Centrifugal Safety"Stop"
Switch (ON)
ON
CaUTION
NEVER disable or disconnect the centrifugal "STOp"
switch.It is provided for the operator's safety and injury
may result if it is disabled, disconnected or improperly
maintained.
Figure 19. Engine Fuel Valve Lever (ON)
2. Pull the throttle lever (Figure 20) backwards and place
in the "idle" position.
4. If starting a cold engine place the choke lever (Figure 22 )
in the "clOSEd" position.
IDLE
THROTTLE
LEVER
Figure 20. Throttle (Idle Position)
Figure 22. Choke Lever (Closed)
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operation
8. Before the trowel is placed into operation, run the
engine for several minutes. Check for fuel leaks, and
noises that would associate with a loose guard ring
and/or covers.
5. If starting a warm engine place the choke lever
(Figure 23) in the "OpEN " position.
Testing the centrifugal Safety Stop Switch
1. With the engine running at idle, place the safety stop
switch lever in the "Off" position (Figure 26). Verify
that the engine shuts off.If the engine continues to run,
replace centrifugal safety stop switch.
Figure 23. Choke Lever (Open)
OFF
6. Grasp the starter grip (Figure 24) and slowly pull it out.
The resistance becomes the hardest at a certain
position, corresponding to the compression point. Pull
the starter grip briskly and smoothly for starting.
Figure 26. Testing Safety Stop Switch
2. Before performing this test, clear the area around the
trowel. Make sure it is free of debris and objects. Move
the safety stop switch lever to the "ON" position, restart
the engine and let idle.
Stand behind the handle and spin the handle to the right,
simulating a runaway situation. (See Figure 27).
Centrifugal force should throw the safety switch outward
to the "Off" position thus shutting off the engine.
Figure 24. Starter Grip
7. If the engine has started, slowly return the choke lever
(Figure 25), to the clOSEd position. If the engine has
not started repeat steps 1 through 6.
Figure 27. Testing Safety Stop Switch
Runaway Situation
Figure 25. Choke Lever Closed
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operation
To begin Troweling
pitching the blades (Quick pitch™ Handle)
1. To begin troweling, push the throttle lever (Figure 28) forward
to the "RUN" position.
To pitch the blades upwards using the "Quick Pitch™" handle,
(Figure 30) simply pull the T-handle backwards while
squeezing the trigger.Pushing theT-handle forward will cause
the blades to lay flat.
RUN
T-HANDLE
THROTTLE
LEVER
TRIGGER
(SQUEEZE)
NO PITCH
(BLADES FLAT)
Figure 28. Throttle Lever (Run)
concrete finishing Techniques
BLADES PITCHED
UPWARDS FLAT
The following steps are intended as a basic guide to machine
operation, and are not to be considered a complete guide to
concrete finishing.We suggest that all operators (experienced
and novice) read “Slabs on Grade” published by the
American Concrete Institute, Detroit, Michigan. Read the
“Training” section of this manual for more information.
Figure 30. Blade Pitch T-Handle
pitching the blades (Standard Handle)
To pitch the blades upwards using the "Standard" handle,
(Figure 29) simply turn the star-wheel clockwise.Turning the
star wheel counter clockwise will cause the blades to lay flat.
BLADE PITCH
STAR WHEEL
INCREASE
BLADE PITCH
(CW)
DECREASE
BLADE PITCH
(CCW)
Figure 29. Blade Pitch Star Wheel
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operation
3. Continue to practice maneuvering the trowel. Try to
practice as if you were finishing a slab of concrete.
Practice edging and covering a large area.
maneuvering theTrowel
1. Get into the operator’s position behind the handle. With
a secure foothold and a firm grasp on the handle, slowly
increase the engine speed until the desired blade speed
is obtained.
Remember a good finishing technique is to work
backwards. Be careful when moving backwards so
that hazards can be avoided. The best way to get
accustomed to the trowel is repeated use.
2. Figure 31 below illustrates a typical walk-behind trowel
application. Practice maneuvering the trowel.The trick
is to let the trowel do the work.
Figure 31. maneuvering theTrowel
CaUTION
CaUTION
alwayS keep clear of rotating or moving parts while
operating this equipment.
NEVER place your feet or hands inside the guard rings
while starting or operating this equipment.
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operation
4. Close the fuel shut- off valve (Figure 35) by moving
the fuel valve lever to the Off position.
Stopping The Engine
1. Move the throttle lever to the (Figure 32) "idlE"
position and run the engine for three minutes at low
speed.
OFF
IDLE
THROTTLE
LEVER
Figure 35. Fuel Valve Lever (OFF)
Figure 32. Throttle Lever (Idle)
2. After the engine cools, turn the engine start/stop switch
to the “Off” position (Figure 33).
Figure 33. Engine ON/OFF Switch
(OFF Position)
3. Place the safety stop switch (Figure 34) in the "Off"
position.
OFF
Figure 34. Safety Stop Switch (OFF)
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options
Clip-On Float blades (Optional)
NOTICE
These blades will clip (Figure 38) onto an existing installed
blade, allowing your finisher to float on “wet” concrete so
that the troweling operation can begin as early as possible.
These blades are easily removable, so that after the floating
operation, when the concrete is sufficiently cured, they can
be removed to expose the finish blades for continued
troweling.
Trowel blades should be changed when they fail to finish
concrete in a satisfactory manner.
Blades are a vital part of finishing concrete. This trowel,
or finisher, has been designed to finish concrete and the
blades are built to stringent quality standards out of the
finest steel.
If you need replacement blades, consult the parts list in
this manual for part numbers and order them from your
Multiquip parts dealer or importer.
combo blades
This trowel is equipped with combination float/finish (Figure
36) blades as original equipment.These blades have been
designed for optimum performance in both the floating and
finishing operations.These blades are versatile and should
take care of most troweling needs.
Figure 38. Clip-On Float Blade
Float Discs (Optional)
These round discs (Figure 39) attach to the spiders and
allow the machine to “float” on “wet” concrete. The disc
design allows early floating and easy movement from wet
to dry areas. They are also very effective in embedding
large aggregates and surface hardeners.
Figure 36. Combination Blade
Finish blades (Optional)
These blades (Figure 37) have been specifically designed
for finish operations with this trowel. They will provide a
premium surface finishing capability from your trowel.They
should only be used after the concrete has set to the point
where the trowel does not sink into the concrete when
placed on it.
Figure 39. Float Disk/Pan
NOTICE
For optimum panning performance blade speed must
be changed. Use Low Speed Kit. Reference Engine
Assembly in parts section of this manual.
Figure 37. Finish Blade
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options
Trowel arm adjustmentTool (Optional)
If blades show uneven wear patterns or some tend to wear
out faster than others, the trowel arms may need to be
adjusted. A special tool is available (Figure 40) that will
adjust all of the trowel arms consistently. The Trowel Arm
Fixture P/N is 1817.
Figure 40. Trowel Arm Adjustment Fixture
Quick pitch™ Handle (Optional)
This feature (Figure 41) is not standard equipment on this
model walk-behind trowel. To order this feature please
contact MQ unit sales.
T-HANDLE
TRIGGER
Figure 41. Quick Pitch™ Handle (Option)
The Quick Pitch™ Handle feature allows the operator to
adjust the pitch of the blades by grasping the handle, then
squeezing the trigger lever and then moving the handle
either forward or backwards to achieve the desired blade
pitch.
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maintenance
Table 5. engine maintenance Schedule
eveRy 6
eveRy
bEfOrE
Each
USe
firST
mONTH OR
20 HRS.
eveRy 2
yEarS Or
500 HRS.
dEScripTiON
(3)
mONTHS
OR 100
HRS.
yEar
OR 300
HRS.
OpEraTiON
Check
Change
Replace
Check
X
Engine Oil
X
X
Engine Oil Filter
Every 200 Hrs.
X
Air Cleaner
Clean
X (1)
X
Change
Check/Adjust
Replace
Clean
X ( )
*
Spark Plugs
X
Spark Arrester
Fuel Filter
X
Replace
Check
X (2)
Fuel Tube
Every 2 years (replace if necessary) (2)
* - Replace the paper filter element only.
(1) Service more frequently when used in DUSTy areas.
(2) These items should be serviced by your service dealer, unless you have the proper tools and are mechanically proficient.
Refer to the HONDA Shop Manual for service procedures.
(3) For commercial use, log hours of operation to determine proper maintenance intervals.
Table 6. Trowel maintenance Schedule
periodic maintenance Interval
ITem
OpEraTiON
daily
Every
50-60 Hrs
Every
200-300 Hrs
Every
2000-2500 Hrs
V-Belt
Check/Replace
Grease
X
Relube Trowel Arms
Blades
X
X
Check/Replace
Remove/Clean
Remove/Clean
Adjust
Trowel Arms
X
X
X
Thrust Collar/Bushing
Blade Arms
Arm Bushing
Wear Ring
Remove/Replace
Remove/Replace
X
X
X
X
Thrust Collar Bearing Remove/Replace
Pitch Control Cable
Clutch
Check
Remove/Clean
X
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maintenance
General maintenance practices are crucial to the
performance and longevity of your trowel. This equipment
requires routine cleaning, blade and trowel arm inspection,
lubrication and V-belt inspection for wear and damage.
Reference Table 5 and Table 6 for scheduled engine and
trowel maintenance.
Engine air cleaner
daNgEr
dO NOT use gasoline or low flash point
solvents for cleaning the air cleaner, the
possibility exists of fire or explosion which
can cause damage to the equipment and
severe bodily harm or even dEaTh!
The following procedures, devoted to maintenance, can
prevent serious trowel damage or malfunctioning.
CaUTION
NOTICE
Wear protective equipment such as
approved safety glasses or face shields
and dust masks or respirators when
cleaning air filters with compressed air.
Reference hONda engine manual supplied with your
trowel for more detailed engine maintenance and
troubleshooting.
CaUTION
This engine is equipped with a replaceable, high-density
paper air cleaner element. See Figure 42 for air cleaner
components.
alwayS allow the engine to cool before
servicing.NeveR attempt any maintenance
work on a hot engine.
1. Remove the air cleaner cover and foam filter element.
2. Tap the paper filter element several times on a hard
surface to remove dirt, or blow compressed air not
exceeding 30 psi (207 kPa, 2.1 kgf/cm2) through the
filter element from the inside out. NeveR brush off
dirt. Brushing will force dirt into the fibers. Replace the
paper filter element if it is excessively dirty.
CaUTION
alwayS disconnect the spark plug wire from the spark
plug and secure away from the engine before performing
maintenance or adjustments on the machine.
3. Clean foam element in warm, soapy water or
nonflammable solvent. Rinse and dry thoroughly. Dip
the element in clean engine oil and completely squeeze
out the excess oil from the element before installing.
warNiNg
Some maintenance operations may
require the engine to be run. Ensure
that the maintenance area is well
ventilated. Gasoline engine exhaust
contains poisonous carbon monoxide
gas that can cause unconsciousness
and may result in dEaTh
WING
NUT
AIR CLEANER
COVER
WING
NUT
gENEral clEaNliNESS
FOAM
FILTER
ELEMENT
Clean the trowel daily. Remove all dust and slurry buildup.
If the trowel is steam-cleaned, ensure that lubrication is
accomplished afTEr steam cleaning.
PAPER
FILTER
ELEMENT
ENgiNE chEcK
BLOW COMPRESSED
AIR FROM THE
INSIDE OUT
Check daily for any oil and/or fuel leakage, thread nut and
bolt tightness, and overall cleanliness.
Figure 42. Engine Air Cleaner
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maintenance
NOTICE
GAP
Operating the engine with loose or damaged air cleaner
components could allow unfiltered air into the engine
causing premature wear and failure.
.028 - .031 IN.
(0.7- 0.8 MM.)
ENgiNE Oil
1. Drain the engine oil when the oil is warm as shown in
Figure 43.
Figure 44. Spark Plug Gap
2. Remove the oil drain bolt and sealing washer and allow
the oil to drain into a suitable container.
v-beLT
Visually examine the V-belt (Figure 45) and determine if it
is full of tiny cracks, frayed, has pieces of rubber missing,
is peeling or otherwise damaged.
3. Replace engine oil with recommended type oil as listed
in Table 4. For engine oil capacity, see Table 3 (engine
specifications). dO NOT overfill.
Also, examine the belt and determine if it is oil soaked or
"glazed " (hard shiny appearance on the sides of the belt).
Either of these two conditions can cause the belt to run hot,
which can weaken it and increase the danger of it breaking.
4. Reinstall drain bolt with sealing washer and tighten
securely.
If the V-belt exhibits any of the above wear conditions
replace the V-belt immediately.
OIL SOAKED
Figure 43. Draining Engine Oil
SpaRK pLUg
CORD FAILURE
GLAZED
NOTICE
WORN BACK
COVER
NeveR use a spark plug of incorrect heat range.
1. Remove and clean spark plug (Figure 44) with a wire
brush if it is to be reused. Discard spark plug if the
insulator is cracked or chipped.
BROKEN
MISSING RUBBER
CRACKS
2. Using a feeler gauge adjust spark plug gap to 0.028
~0.031 inch (0.7~0.8 mm).
SIDEWALL
WEAR
3. Thread spark plug into cylinder hole by hand to prevent
cross-threading, then tighten securely.
Figure 45. V-Belt Inspection
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maintenance
SparK arrESTEr clEaNiNg
bLaDe pITCH aDjUSTmeNT pROCeDURe
Clean the spark arrester every 6 months or 100 hours.
The maintenance adjustment of blade pitch is an adjustment
that is made by a bolt (Figure 48) on the arm of the trowel
arm lever. This bolt is the contact point of the trowel arm
lever to the lower wear plate on the thrust collar. The goal
of the adjustment is to promote consistent blade pitch and
finishing quality. Adjustments are made by tightening or
loosening the blade pitch adjustment bolt.
1. Remove the 4 mm screw (3) from the exhaust deflector,
then remove the deflector. See Figure 46.
2. Remove the 5 mm screw (4) from the muffler protector,
then remove the muffler protector.
3. Remove the 4 mm screw from the spark arrestor, then
remove the spark arrester.
BLADE PITCH
ADJUSTMENT
BOLT
TROWEL LEVER
FINGER
TROWEL
ARM
SPIDER
PLATE
TROWEL
BLADE
Figure 48. Blade Pitch Adjustment Bolt
Watch for the following indications when determining if
blade pitch adjustments are necessary:
• Is the machine wearing out blades unevenly, (i.e. one
blade is completely worn out while the others look
new)?
Figure 46. Spark Arrester Removal
• Does the machine have a perceptible rolling or
bouncing motion when in use?
4. Carefully remove carbon deposits from the spark
arrester screen (Figure 47) with a wire brush.
• Look at the machine while it is running, do the guard
rings “rock up and down” relative to the ground?
WIRE
BRUSH
If it is determined that blade pitch adjustments are required
do the following:
1. Place the trowel on a flat, level area free of dirt and
debris.
NOTICE
SPARK
ARRESTER
Before any blade pitch adjustments can be made it
is essential to have a clean level area free of dirt and
debris to test the trowel. Any unlevel spots in the floor
or debris under the trowel blades will give an incorrect
perception of adjustment. Ideally, a 5 x 5 ft. (1.5 x 1.5
meter), three-quarter inch (19 mm) thick flaT steel
plate should be used for testing.
Figure 47. Cleaning The Spark Arrester
5. If the spark arrester is damaged and has breaks or
holes, replace with a new one.
6. Reinstall the spark arrester and muffler protector in
reverse order of disassembly.
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maintenance
2. Pitch the blades as flat as possible. The pitch
adjustment bolts (Figure 49) should all barely make
contact (0.10 inch max.clearance) with the lower wear
plate on the spider. All pitch alignment bolts should
be spaced the same distance from the lower wear plate.
If one is not making contact, adjustment will be
necessary.
SpIDeR RemOvaL
Remove the spider assembly from the gearbox shaft as
follows:
1. Locate the cone point square head set screw
(Figure 51) and attached jam nut found on the side of
the spider assembly.
GEARBOX
2. Loosen the jam nut and cone point square head set
screw.
TROWEL
ARM
MOUNTING
BAR
STEEL TEST
SURFACE
3. Carefully lift the upper trowel/gearbox assembly off of
the spider assembly. A slight tap with a rubber mallet
may be necessary to dislodge the spider from the main
shaft of the gearbox.
BLADE
PITCH
ADJUSTMENT
BOLT
LOWER
WEAR PLATE
Figure 49. Correct Blade Pitch (Flat)
3. Adjust the “high” bolts down to the level of the one that
is not touching, or adjust the “low” bolt up to the level
of the higher ones. If possible, adjust the low bolt up
to the level of the rest of the bolts. This is the fastest
way, but may not always work.Verify after adjustment
the blades pitch correctly.
YOKE ARM
GEARBOX
GEARBOX
SHAFT
THRUST COLLAR
BEARING
4. Blades that are incorrectly adjusted often will not be
able to pitch flat. This can occur if the adjusting bolts
are raised too high. Conversely, adjusting bolts that
are too low will not allow the blades to be pitched high
enough for finishing operations.
WEAR RING
THRUST COLLAR
W/BUSHING
5. If, after making blade pitch adjustments the machine
is still finishing poorly, blades, trowel arms, and trowel
arm bushings may be suspect and should be looked
at for adjustment, wear, or damage.
LOWER WEAR
PLATE
SET SCREW
(CONE POINT SQ.HD.)
JAM
NUT
SPIDER PLATE
6. Figure 50 illustrates, "incorrect alignment", worn spider
bushings or bent trowel arms.
PITCH
ADJUSTMENT
BOLT
NO
LOWER
WEAR PLATE
Figure 51. Spider Removal
“DISHED” EFFECT ON
FINISHED CONCRETE
Figure 50. Incorrect Spider Plate Alignment
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maintenance
chaNgiNg bladES
TROWeL aRm RemOvaL
It is recommended that all the blades on the trowel
are changed at the same time. If only one or some of the
blades are changed, the machine will not finish concrete
consistently and the machine may wobble or bounce.
1. Each trowel arm is held in place at the spider plate
by a hex head bolt (zerk grease fitting) and a roll
pin. Remove both the hex head bolt and the roll
pin (Figure 53) from the spider plate.
Perform the following procedure when changing blades:
Please note the blade orientation on the trowel arm before
removing.
2. Remove the trowel arm from the spider plate.
3. Should the trowel arm inserts ( bushing ) come out with
the trowel arm, remove the bushing from the trowel arm
and set aside in a safe place. If the bushing is retained
inside the spider plate, carefully remove the bushing
1. Lift the trowel up, placing blocks under the main guard
ring to support it.
2. Remove the bolts and lock washers from all the towel
arms, and then remove the blades as shown in
Figure 52.
4. Examine the trowel arm bushing insert (Figure 53),
clean if necessary. Replace bushing if out of round or
worn.
BLADE
ATTACHMENT
SCREWS
SPIDER PLATE
ROLL PIN
TROWEL
ARM
ZERK
GREASE
FITTING
TROWEL ARM
CAP
BUSHING
BLADE
ATTACHMENT
BAR
Figure 53. Trowel Arm Removal
TROWEL
BLADE
Figure 52. Blade Removal
3. Wire brush and remove all concrete and debris from
all six sides of each of the four trowel arms. This is
important to properly seat the new blades.
4. Install the new blades, maintaining the proper blade
orientation for direction of rotation.
5. Reinstall the bolts and lock washers.
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maintenance
CHeCKINgTROWeL aRm STRaIgHTNeSS
TROWeL aRm LeveR aDjUSTmeNT
Trowel arms (Figure 54) can be damaged by rough
handling, such as dropping the trowel on the pad, or by
striking exposed plumbing, forms, or rebar while in
operation. A bent trowel arm will not allow the trowel to
operate in a smooth fluid rotation. If bent trowel arms are
suspect, check for flatness as follows:
The easiest and most consistent way to adjust the trowel
arm lever is to use the Trowel Arm Adjustment Fixture
(P.N. 1817).
As each trowel arm is locked into the fixture, the arm bolt
is adjusted to where it contacts a stop on the fixture. This
will consistently adjust all of the trowel arms, keeping the
finisher as flat and evenly pitched as possible.
LEVER
MOUNTING
SLOT
BLADE ATTACHMENT
ROLL PIN
HOLE
This fixture will allow consistent adjustment of the trowel
arm lever. It comes with all the hardware necessary to
properly accomplish this maintenance and instructions on
how to properly utilize this tool. Adjusting the trowel arm
lever without a fixture requires a special talent.
BOLT HOLE
FLAT OF HEXAGONAL
SHAFT (TOP OF ARM)
TROWEL ARM
ROUND SHAFT
SECTION
TROWEL ARM
HEXAGONAL (HEX)
SHAFT SECTION
Perform the following procedure when adjusting the trowel
arm lever:
Figure 54. Trowel Arm
1. Unscrew the locking bolts on the adjustment fixture and
place the trowel arm (lever attached) into the fixture
channel as shown in Figure 56.
1. Use a thick steel plate, granite slab or any surface
which is true and flat, to check all six sides of each
trowel arm for flatness (Figure 55).
2. Ensure the fixture arm is in the up position.
2. Check each of the six sides of the trowel arm (hex
section).A feeler gauge of .004 inch (0.10 mm) should
not pass between the flat of the trowel arm and the test
surface along its length on the test surface.
3. A thin shim may be required to cover the blade holes
on the trowel arm. Make sure to align the trowel
adjustment bolt with the fixture adjustment bolt.
TROWEL
ARM
LEVER
TROWEL
ARM
ARM
FIXTURE
ARM
FLAT TEST
SURFACE
ADJUSTMENT
BOLT
SHIM
DISTANCE
.010 INCH
FEELER GAUGE
(.005 IN/0.127 MM)
FEELER GAUGE
(.004 IN/0.10 MM)
ADJUSTMENT
BOLT
LOCKING
BOLTS
Figure 55. Checking Trowel Arm Flatness
TROWEL ARM
ADJUSTMENT FIXTURE
3. Next, check the clearance between the round shaft
and the test surface as one of the flat hex sections of
the arm rests on the test surface. Rotate the arm to
each of the flat hex sections and check the clearance
of the round shaft. Use a feeler gauge (Figure 56) of
.005 inch (0.127 mm). Each section should have the
same clearance between the round of the trowel arm
shaft and the test surface.
Figure 56. Trowel Arm Adjustment Fixture
4. Use an allen wrench to tighten the locking bolts
securing the trowel arm in place.
5. Adjust the bolt distance shown in Figure 56 to match
one of the arms. The other arms will be adjusted to
match this distance.
6. Loosen the locking nut on the trowel arm lever, then
turn the trowel arm adjusting bolt until it barely touches
(.010") the fixture adjusting bolt.
4. If the trowel arm is found to be uneven or bent, replace
the trowel arm.
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maintenance
7. Once the correct adjustment is made, tighten the lock
nut on the trowel arm to lock in place.
13. Lubricate all grease points (zerk fittings) with premium
"Lithum 12" based grease, conforming to NLG1 Grade
#2 consistency.
8. Loosen locking nuts on the adjustment fixture, and
remove trowel arm.
iNSTalliNg paNS ONTO fiNiShEr bladES
9. Repeat steps for the remaining trowel arms.
These round discs, sometimes referred to as "pans", attach
to the spiders arms and allow early floating on wet concrete
and easy movement from wet to dry areas. They are also
very effective in embedding large aggregates and surface
hardeners.
ReaSSembLy
1. Clean and examine the upper/lower wear plates and
thrust collar. Examine the entire spider assembly.Wire
brush any concrete or rust buildup. If any of the spider
components are found to be damaged or out of round,
replace them.
Refer to Figure 57 when installing pans onto finisher blades.
2. Make sure that the bronze trowel arm bushing is not
damage or out of round.Clean the bushing if necessary.
If the bronze bushing is damaged or worn, replace it.
KNOB, TIE-DOWN
Z-CLIP PANS
TIE-DOWN, BLADE
3. Reinstall bronze bushing onto trowel arm.
4. Repeat steps 2 -3 for each trowel arm.
5. Make sure that the spring tensioner is in the correct
position to exert tension on the trowel arm.
BLADE ASSEMBLY
Z-CLIP, PAN
6. Insert all trowel arms with levers into spider plate (with
bronze bushing already installed) using care to align
grease hole on bronze bushing with grease hole fitting
on spider plate.
Figure 57. Z-Clip Finisher Pan Installation
1. Lift trowel just enough to slide pan under blades.Lower
finisher onto pan with blades adjacent to Z-Clips.
7. Lock trowel arms in place by tightening the hex head
bolt with zerk grease fitting and jam nut.
2. Rotate blades into position under Z-Clips. Ensure that
the blades are rotated in the direction of travel when
the machine is in operation or use the engine to rotate
the blades into position.
8. Reinstall the blades onto the trowel arms.
9. Install stabilizer ring onto spider assembly.
10. Reinstall lower wear plate, thrust collar and upper wear
ring in the reverse order that they were disassembled
onto the spider shaft. Make sure that there is little or
no lateral movement between the thrust collar and the
spider shaft.
3. Attach the blade tie-downs to the far side of the Z-Clip
brackets with tie-down knobs as shown in Figure 57.
4. Check to make certain that the blade edges are
secured under the Z-Clips and the tie-downs are
secured completely over the edges of the blade bar
before the machine is put back into operation.
11. Carefully lift the upper trowel assembly, line up the
keyway on gear box main shaft and insert into spider
assembly.
12. Reinstall square head cone point into spider plate and
tighten in place. Tighten jam nut. Use care in making
sure point of set screw engages groove in gear box
main shaft.
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maintenance
LONg-TeRm STORage
For storage of the trowel for over 30 days, the following is
required:
„ Drain the fuel tank completely, or add STA-BIL to the fuel.
„ Run the engine until the gasoline in the carburetor is
completely consumed.
„ Completely drain the oil from the crankcase and refill
with fresh oil.
„ Remove the spark plug. Pour 5 to 10 cc of SAE 30 oil
into the cylinder. Turn the engine switch to the STarT
position for a few seconds to distribute the oil. Reinstall
the spark plug.
„ Clean all external parts of the trowel with a cloth.
„ Cover the trowel and store in a clean, dry place.
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troubleshooting
Troubleshooting (engine)
Symptom
possible problem
Solution
Spark plug bridging?
Check gap, insulation or replace spark plug.
Clean or replace spark plug.
Carbon deposit on spark plug?
Short circuit due to deficient spark plug
insulation?
Check spark plug insulation, replace if worn.
Improper spark plug gap?
Fuel reaching carburetor?
Water in fuel tank?
Set to proper gap.
Check fuel line.
Flush or replace fuel tank.
Replace fuel filter.
Fuel filter clogged?
Stuck carburetor?
Check float mechanism.
Check transistor ignition unit.
Difficult to start, fuel is available, but no spark at
spark plug.
Spark plug is red?
If insufficient compression, repair or replace
engine. If injected air leaking, correct leak. If
carburetor jets clogged, clean carburetor.
Spark plug is bluish white?
Check transistor ignition unit is broken, and
replace defective unit. Check if voltage cord
cracked or broken and replace. Check if spark
plug if fouled and replace.
No spark present at tip of spark plug?
No oil?
Add oil as required.
Oil pressure alarm lamp blinks upon starting? (if Check automatic shutdown circuit, "oil sensor".
applicable)
(if applicable)
ON/OFF switch is shorted?
Check switch wiring, replace switch.
Replace ignition coil.
Ignition coil defective?
Difficult to start, fuel is available, and spark is
present at the spark plug.
Improper spark gap, points dirty?
Condenser insulation worn or short circuiting?
Spark plug wire broken or short circuiting?
Set correct spark gap and clean points.
Replace condenser.
Replace defective spark plug wiring.
Flush fuel system, replace with correct type of
fuel.
Wrong fuel type?
Difficult to start, fuel is available, spark is
present and compression is normal.
Water or dust in fuel system?
Air cleaner dirty?
Flush fuel system.
Clean or replace air cleaner.
Close choke.
Choke open?
Suction/exhaust valve stuck or protruded?
Piston ring and/or cylinder worn?
Reseat valves.
Replace piston rings and/or piston.
Difficult to start, fuel is available, spark is
present and compression is low.
Cylinder head and/or spark plug not tightened
properly?
Torque cylinder head bolts and spark plug.
Head gasket and/or spark plug gasket damaged?
No fuel in fuel tank?
Replace head and spark plug gaskets.
Fill with correct type of fuel.
Apply lubricant to loosen fuel cock lever,
replace if necessary.
Fuel cock does not open properly?
No fuel present at carburetor.
Fuel filter/lines clogged?
Fuel tank cap breather hole clogged?
Air in fuel line?
Replace fuel filter.
Clean or replace fuel tank cap.
Bleed fuel line.
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troubleshooting
Troubleshooting (engine) - continued
Symptom
possible problem
Solution
Clean or replace air cleaner.
Check float adjustment, rebuild carburetor.
Clean or replace spark plug.
Set to proper gap.
Air cleaner dirty?
Improper level in carburetor?
Defective spark plug?
Weak in power, compression is proper and
does not misfire.
Improper spark plug?
Flush fuel system and replace with correct
type of fuel.
Water in fuel system?
Weak in power, compression is proper but
misfires.
Dirty spark plug?
Clean or replace spark plug.
Replace ignition coil.
Ignition coil defective?
Spark plug heat value incorrect?
Wrong type of fuel?
Replace with correct type of spark plug.
Replace with correct type of fuel.
Clean cooling fins.
Cooling fins dirty?
Engine overheats.
Clear intake of dirt and debris. Replace air
cleaner elements as necessary.
Intake air restricted?
Oil level too low or too high?
Governor adjusted incorrectly?
Governor spring defective?
Fuel flow restricted?
Adjust oil to proper level.
Adjust governor.
Rotational speed fluctuates.
Replace governor spring.
Check entire fuel system for leaks or clogs.
Recoil mechanism clogged with dust and dirt? Clean recoil assembly with soap and water.
Recoil starter malfunctions. (if applicable)
Spiral spring loose?
Replace spiral spring.
Ensure tight, clean connections on battery
and starter.
Loose, damaged wiring?
Starter malfunctions.
Battery insufficiently charged?
Recharge or replace battery.
Replace starter.
Starter damaged or internally shorted?
Check and clean valves. Check muffler and
replace if necessary.
Over-accumulation of exhaust products?
Wrong spark plug?
Burns too much fuel.
Replace spark plug with manufacturer's
suggested type.
Lubricating oil is wrong viscosity?
Worn rings?
Replace lubricating oil with correct viscosity.
Replace rings.
Exhaust color is continuously "white".
Air cleaner clogged?
Clean or replace air cleaner.
Adjust choke valve to correct position.
Choke valve set to incorrect position?
Carburetor defective, seal on carburetor
broken?
Exhaust color is continuously "black".
Replace carburetor or seal.
Poor carburetor adjustment, engine runs too
rich?
Adjust carburetor.
ON/OFF device not activated ON?
Battery disconnected or discharged?
Ignition switch/wiring defective?
Turn on ON/OFF device.
Check cable connections. Charge or replace
battery
Will not start, no power with key "ON". (if
applicable)
Replace ignition switch. Check wiring.
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troubleshooting
Troubleshooting (Walk-behindTrowel)
Symptom
possible problem
Solution
Engine ON/OFF Switch in "OFF" position Make sure that the Engine ON/OFF Switch is ON
or malfunctioning?
or replace switch if necessary.
Centrifugal ON/OFF Switch in "OFF"
position or malfunctioning?
Place centrifugal stop switch in "ON" position.
Check wiring. Replace switch if necessary.
Look at the fuel system. Make sure there is fuel
being supplied to the engine. Check to ensure that
the fuel filter is not clogged.
Fuel?
Engine running rough or not at all.
Check to ensure that the ignition switch has power
and is functioning correctly.
Ignition?
Loose wire connections
Check wiring. Replace or repair as necessary.
Replace ON/OFF switch.
Bad contacts in ON/OFF switch?
Make certain blades are in good condition, not
excessively worn. Finish blades should measure
no less than 2"" (50mm) from the blade bar to
the trailing edge, combo blades should measure
no less that 3.5"" (89mm). Trailing edge of blade
should be straight and parallel to the blade bar.
Blades?
Check that all blades are set at the same
pitch angle as measured at the spider. A field
adjustment tool is available for height adjustment
of the trowel arms. (Contact Parts Dept.)
Pitch adjustment?
Bent trowel arms?
Spider?
Check the spider assembly for bent trowel arms.
If one of the arms is even slightly bent, replace it
immediately.
Trowel bounces, rolls concrete, or makes
uneven swirls in concrete.
Check fit of arms in spider. This can be done by
moving the trowel arms up and down. If there is
more than 1/8 inch (3.2 mm) of travel at the tip of
the arm, the spider and arms should be replaced.
Check the flatness of the thrust collar by rotating
it on the spider. If it varies by more than 0.02 inch
(0.5 mm) replace the thrust collar.
Thrust collar?
Check the thrust collar by rocking it on the spider.
If it can tilt more than 3/32 inch (2.4 mm) - as
measured at the thrust collar O.D., replace the
thrust collar.
Thrust collar bushing?
Thrust bearing worn?
Check the thrust bearing to see that it is spinning
freely. Replace if necessary.
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troubleshooting
Troubleshooting (Walk-behindTrowel) - continued
possible problem
Symptom
Solution
The main output shaft of the gearbox
assembly should be checked for straightness.
The main shaft must run straight and cannot
be more than 0.003"" (0.08 mm) out of round
at the spider attachment point.
Main shaft?
Yoke?
Machine has a perceptible rolling motion
while running.
Check to make sure that both fingers of the
yoke press evenly on the wear cap. Replace
yoke as necessary.
Check to ensure that each blade is adjusted
to have the same pitch as all other blades.
Adjust per maintenance section in manual.
Blade Pitch?
Worn V-belts?
Replace V-belt.
Adjust per instructions in maintenance
section of this manual.
Hand clutch out of adjustment?
Worn or defective hand clutch parts?
Replace parts as necessary.
Clutch slipping or sluggish response to
engine speed change.
Rotate input shaft by hand. If shaft rotates
with difficulty, check the input and output
shaft bearings. Replace as necessary.
Worn bearings in gearbox?
Verify that the gearbox shaft rotates when
the input shaft is rotated. Replace both the
worm and worm gear as a set.
Worn or broken gears in gearbox?
Defective clutch?
Broken V-belt?
Replace clutch.
Replace V-belt.
Check and replace ON/OFF switch if
necessary.
Trowel blades do not rotate.
Defective ON/OFF switch?
Check and replace centrifugal ON/OFF
switch if necessary.
Defective centrifugal ON/OFF switch?
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Wiring diagram
ON
O
F
F
CENTRIFUGAL
STOP SWITCH
YEL
BLK
BLK
YEL
BLK
SPARK
PLUG
OIL LEVEL
SWITCH
ENGINE
STOP
SWITCH
OIL ALERT
UNIT
IGNITION
COIL
UNIT
GRN
TRANSISTORIZED
IGNITION UNIT
OIL LEVEL
INDICATOR
CHASSIS
GND.
page 42 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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notes
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 43
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explanation of code in remarKs column
The following section explains the different symbols and
QTy. Column
remarks used in the Parts section of this manual. Use the
help numbers found on the back page of the manual if there
are any questions.
Numbers Used — Item quantity can be indicated by a
number, a blank entry, or A/R.
A/R (As Required) is generally used for hoses or other
parts that are sold in bulk and cut to length.
NOTICE
The contents and part numbers listed in the parts
section are subject to change without notice.Multiquip
does not guarantee the availability of the parts listed.
A blank entry generally indicates that the item is not sold
separately.Other entries will be clarified in the “Remarks”
Column.
SampLe paRTS LIST
RemaRKS column
NO. paRT NO. paRT Name
QTy. RemaRKS
Some of the most common notes found in the “Remarks”
Column are listed below. Other additional notes needed
to describe the item can also be shown.
1
2%
12345
BOLT .....................1 .....INCLUDES ITEMS W/%
WASHER, 1/4 IN. ..........NOT SOLD SEPARATELY
WASHER, 3/8 IN. ..1 .....MQ-45T ONLY
2% 12347
3
4
12348
12349
HOSE ..................A/R ...MAKE LOCALLY
BEARING ..............1 .....S/N 2345B AND ABOVE
assembly/Kit — All items on the parts list with the
same unique symbol will be included when this item is
purchased.
NO. Column
Indicated by:
Unique Symbols — All items with same unique
symbol
“INCLUDES ITEMS W/(unique symbol)”
(@, #, +, %, or >) in the number column belong to the
same assembly or kit, which is indicated by a note in the
“Remarks” column.
Serial Number break — Used to list an effective serial
number range where a particular part is used.
Indicated by:
duplicate item Numbers — Duplicate numbers indicate
multiple part numbers, which are in effect for the same
general item, such as different size saw blade guards in
use or a part that has been updated on newer versions
of the same machine.
“S/N XXXXX AND BELOW”
“S/N XXXX AND ABOVE”
“S/N XXXX TO S/N XXX”
Specific model Number Use — Indicates that the part
is used only with the specific model number or model
number variant listed. It can also be used to show a
part is NOT used on a specific model or model number
variant.
NOTICE
When ordering a part that has more than one item
number listed, check the remarks column for help in
determining the proper part to order.
Indicated by:
“XXXXX ONLY”
“NOT USED ON XXXX”
paRT NO. Column
Numbers Used — Part numbers can be indicated by a
number, a blank entry, or TBD.
“make/Obtain Locally” — Indicates that the part can
be purchased at any hardware shop or made out of
available items.Examples include battery cables, shims,
and certain washers and nuts.
TBD (To Be Determined) is generally used to show a
part that has not been assigned a formal part number
at the time of publication.
“Not Sold Separately”— Indicates that an item cannot
be purchased as a separate item and is either part of an
assembly/kit that can be purchased, or is not available
for sale through Multiquip.
A blank entry generally indicates that the item is not sold
separately or is not sold by Multiquip. Other entries will
be clarified in the “Remarks” Column.
page 44 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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suggested spare parts
b46S90 walK-bEhiNd TrOwEl WITH SUbaRU
SUbaRU eX270De5013
Qty.
3............0650140150..........SPARK PLUG
p/N
Description
eX270De5013 gaSOliNE ENgiNE
1 to 3 Units
1............X430440161 .........TANK CAP
3............2793260618..........AIR CLEANER ELEMENT
1............2795011008..........ROPE, RECOIL
Qty.
p/N
Description
2............20478....................GRIP, HANDLE
1............21046....................GASKET/SEAL KIT
1............21047....................BEARING KIT
1............20285....................PITCH CABLE (STD)
1............20297....................PITCH CABLE (QP)
1............21172....................THROTTLE CABLE
1............10968....................THRUST BEARING KIT
1............10793....................THRUST COLLAR
1............1154 A ..................WEAR PLATE
2............0152 3...................V-BELT A-28
2............10139....................GEARBOX LUBRICANT
1............22732....................THROTTLE LEVER ASSY.
NOTICE
Part numbers on this Suggested Spare Parts list may
supersede/replace the part numbers shown in the
following parts lists.
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 45
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nameplate and decals
STANDARD
HANDLE
QUICK PITCH™
HANDLE
3
5
4
6
2
P/N 23700
P/N 36099
1
7
PRELOAD TRIM INDICATOR
FINISH
FINISH
COMBO
COMBO
J
B
11
P
/
N
3
6
0
9
9
MODEL
SERIAL NO.
P
/
N
2
3
7
0
0
12
10
9
8
WALK-BEHIND
POWER TROWEL
WWW.MULTIQUIP.COM
WALK-BEHIND
POWER TROWEL
WWW.MULTIQUIP.COM
page 46 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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nameplate and decals
NO.
1#
2#
3#
4#
5#
6
paRT NO. paRT Name
QTy.
RemaRKS
23698
23699
23700
36099
23701
23702
20816
ISO DECAL, ROTATING BLADE HAZARD, 2.00” DIA. 1
ISO DECAL, READ MANUAL, 2.00” DIA.
ISO DECAL, LIFTING/CRUSH, 2.4” X 2.0”
ISO DECAL, PROTECTIVE CLOTHING, 3.50” X 1.13” 1
ISO DECAL, ASK FOR TRAINING, 2.00” DIA.
DECAL, MQ LOGO 12.30” X 1.457”
DECAL, MQ LOGO 6.78” X .80”
1
1
1
1
1
7#
8
DECAL, SERIAL PLATE, WBT.......................................1 ..................CONTACT MQ PARTS DEPT.
9#
10#
11
12
23703
23704
1735
DECAL, MQ MULTIQUIP ROUND 3.78” DIA.
ISO DECAL, GUARD WARNING 2.00” DIA.
DECAL, PRE-LOAD .......................................................1 ..................QUICK PITCH ONLY
MQS DECAL KIT............................................................1 ..................INCLUDES ITEMS W/#
1
1
22897
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 47
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standard handle assy.
INSTRUCTIONS
page 48 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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standard handle assy.
NO.
1#
2#
3#
4#
5#
6#
7#
paRT NO.
0786
0786 A
1116
1665
paRT Name
QTy.
RemaRKS
SCREW, BHC 1/4-20 X 3/8 NYL PATCH ,NP
SPACER, SLIDE BLOCK GUIDE
NUT, BRASS JAM 5/16-18
SCREW, HHC 3/8-16 X 2
2
1
2
1
4
2
2
3233
9154
WASHER, FENDER, 1.5OD X 3/8ID
SCREW, HHC 3/8-16 X 1 3/4
NUT, NYLOC 3/8-16
BLOCK, PITCH CONTROL ...............................1................INCLUDES ITEMS W/$
CABLE, CONTROL
SLIDE BLOCK, TROWEL CONTROL
WHEEL ASSY. , HAND
GRIP, HANDLE
WIRE ASSY., KILL SWITCH
HAND WHEEL ASSY, PITCH CONTROL..........1................INCLUDES ITEMS W/@
SWITCH ASSY., KILL
SCREW, HHC 3/8-16 x 3.25 FULL THRD GR5 1
THROTTLE, BICYCLE FINISHER HANDLES 1
CABLE, THROTTLE 68”
HOUSING, MAGURA THROTTLE CABLES
HANDLE WA, VIBRATION CONTROL
10133
20280
20285
20287
20439
20478
20514
20819
20856
21017
8#
9#
1
1
1
2
1
10#
11#
12#
13#
14#
15#
16#
17#% 22732
18#% 21172
19#% 21173
20#
21#
22#
23#
24#
25#
26#
27#@ 20817
28#@ 0281
29#@ 3615
30#@ 0122 c
31#@ 1478
1
1
1
1
22055
22059
22095
22166
22167
22206
22100
ISOLATOR, VIB. 80 DUROMETER SHORE A 3
HANDLE, W/A, STOW FIN VIBE CONTROL
COVER,VIBE CONTROL HANDLE PAD
SCREW, HHC 3/8-16 X 6.5” GRADE 5
1
1
1
CHASSIS, CAST VIBRATION ISOLATOR .........1................REPLACES P/N 22056
KIT, VIBE CTRL. HANDLE INSTALLATION
WHEEL, HAND J-B HANDLES
BEARING, THRUST NICE, 607
COLLAR, SET 3/4 ID
SCREW, SHS 3/8-16 X 1/2
SHAFT, TROWEL CONTROL
1
1
1
1
1
1
32#
21243
THROTTLE KIT..................................................1................INCLUDES ITEMS W/%
33#@ 20282
34#$ A1118
35#$ 20279
36#$ 20275
BEARING, TROWEL CONTROL
PULLEY, PITCH CABLE HANDLE
PIN, SUPPORT BLOCK 3/8 X 1.59
BLOCK, SUPPORT
1
1
1
1
37
22094
HANDLE ASSY, STD. VIBE CONTROL.............1................INCLUDES ITEMS W/#
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 49
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quicK-pitch handle assy. (option)
18
47
38
36
6
37
7
35
34
39
40
17
41
42
S
N
O
I
T
C
U
43
R
T
S
N
I
31
44
12
45
20
24
28
51
2
3
32
13
22
27
33
4
15
14
19
11
46
29
8
21
5
48
26
49
30
50
25
1
16
10
23
9
page 50 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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quicK-pitch handle assy. (option)
NO.
1#
2#
3#
4#
5#
6#$
7#$
8#
paRT NO.
1116
1665
1715
1717
paRT Name
QTy.
2
2
1
1
1
1
2
1
RemaRKS
NUT, BRASS JAM 5/16-18
SCREW, HHC 3/8-16 X 2
Q.P. SPRING CENTER BALANCE
SCREW, QP TRIM ADJUSTMENT W/A
NUT , QP TRIM CNTL ADJUSTMENT
HANDLE, QUICK PITCH (QP)
PIN, ROLL 3/16 X 1-1/4
1718
20389
1729
1732
Q.P. ADJUSTMENT PIN
9#
1733
1737
3233
4568
WASHER, 1/2 X 1/32, AN960-816L
RING, SNAP, TRUARC 5100-5
WASHER, FENDER, 1.5OD X 3/8ID
PIN, ROLL 3/16 X 1
SCREW, HHC 3/8-16 X 1 3/4
NUT, NYLOC 3/8-16
QP ADJUSTMENT BLOCK
BLOCK, PITCH CONTROL ...............................1................INCLUDES ITEMS W/&
LINKAGE QP CONTROL...................................1................INCLUDES ITEMS W/@
TRIGGER, QP ASSEMBLY ...............................1................INCLUDES ITEMS W/$
WHEEL ASSY. , HAND
GRIP, HANDLE
2
1
4
1
1
2
1
10#
11#
12#
13#
14#
15#
16#
17#
18#
19#
20#
21#
22#
23#
9154
10133
20270
20280
20293
20390
20439
20478
20514
20856
21017
1
2
1
1
WIRE ASSY., KILL SWITCH
SWITCH ASSY., KILL
SCREW, HHC 3/8-16 X 3.25 FULL THRD GR5 1
24#% 21171
25#% 21172
26#% 21173
THROTTLE, LEVER
CABLE, THROTTLE 68”
HOUSING, MAGURA THROTTLE CABLES
CABLE ASM, LENGTH 45", JB, HD & QP
HANDLE WA, VIBRATION CONTROL
1
1
1
1
1
27#
28#
29#
30#
31#
32#
33#
20297
22055
22059
22060
22166
22167
22206
ISOLATOR, VIB. 80 DUROMETER SHORE A 3
MAIN HANDLE WA,QP VIBE CONTROL
COVER,VIBE CONTROL HANDLE PAD
SCREW, HHC 3/8-16 X 6.5” GRADE 5
1
1
1
CHASSIS, CAST VIBRATION ISOLATOR .........1................REPLACES P/N 22056
34#$ 1711
35# 22100
SHAFT, CONTROL Q.P.
KIT, VIBE CTRL. HANDLE INSTALLATION
DECAL, WHITEMAN QUICK PITCH
PIN, ROLL 3/16 X 1-1/4
GRIP, HANDLE
SPRING, COMPRESSION
PIN, QP LATCH
PIN, ROLL 1/4 X 3/4
ARM, SLIDE CONTROL
QP DOGBONE
BLOCK, CABLE SLIDE
PIN, ROLL 1/4 X 1-3/4
1
1
2
1
1
1
1
1
1
1
1
1
36#$ 12405
37#$ 1729
38#$ 1724
39#$ 1706
40#$ 20437
41#@ 1731
42#@ 20443
43#@ 1709
44#@ 20269
45#@ 20276
46#
21243
THROTTLE KIT..................................................1................INCLUDES ITEMS W/%
47#$ A6581
48#& 20279
49#& A1808
TRIGGER, QP
1
1
1
1
PIN, SUPPORT BLOCK 3/8 X 1.59
PULLEY, PITCH CABLE HANDLE
BLOCK, SUPPORT
50
51
20275
22061
HANDLE ASSY, HD QP VIBE CONTROL .........1................INCLUDES ITEMS W/#
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 51
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guard ring assy.
13
BLUE
LOCTITE
4
5
1
3
7
8
2
1
6
13
9
10
11
1
12
NOTES:
1
APPLY BLUE LOCTITE™ 246, ITEM 13.
page 52 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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guard ring assy.
NO.
1
2
3
4
5
6
7
8
paRT NO.
21973
0205
paRT Name
GUARD RING
SCREW, HHC 3/8-16 X 1.0
SCREW, HHC 5/16-24 X 1-1/2 ZINC
NUT, NYLOC 1/4-20
QTy.
RemaRKS
1
4
4
2
1
1
2
1
1
2
4
4
1
1391
10024
21894
21979
26250
21893
21986
21922
933241
13351
60097
CLIP, FAST LEAD
ACCESS PANEL, B FINISHER
SCREW, HHC 1/4 - 20 X 1-3/4
SCREW, FAST LEAD
WASHER,FAST LEAD-STAINLESS
CLAMP, 0.625" ID PIPE
WASHER, FLAT SAE 5/16 GRD 9YZ
WASHER, FLAT 3/8 EXT THICK HIGH
LOCTITE ™ #246, BLUE
9
10
11
12
13
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 53
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gearbox assy.
12
2
1
7
6
31
6
8
1
3
4
9
4
GEARBOX
OIL
22 OZ.
7
11
(751 mL)
7
6
30
9
13
8
14
2
10
15
16
17
33
34
18
19
35
32
13
8
20
NOTES:
19
18
APPLY THREAD LOCK, LOCTITE
246 BLUE P/N 60097 OR EQUIVALENT.
1
22
APPLY THREAD LOCK, LOCTITE
572 WHITE P/N 60096 OR EQUIVALENT.
TORQUE TO 15 FT-LBS (20 Nm)
2
3
21
23
GASKETS ARE NOT SOLD SEPARATELY.
SHIM (GASKETS) AS NECESSARY FOR
INPUT SHAFT END-PLAY.
4
5
12
7
GASKETS ARE NOT SOLD SEPARATELY.
SHIM (GASKETS) AS NECESSARY FOR
OUTPUT SHAFT END-PLAY.
5
USE SPECIALLY FORMULATED
WHITEMAN GEARBOX LUBRICANT
P/N 10139 OR ISO OIL. GEARBOX
25
6
REQUIRES 26 OZ. (0.8 LITERS)
.
OF GEARBOX LUBRICANT FOR
OPERATION.
26
29
27
28
GASKET AND SEAL KIT INCLUDES
ITEMS 1,4, 25, AND 29 PLUS GASKETS.
7
8
BEARING KIT INCLUDES ITEMS 6,7,18
AND 19.
3
GEARBOX ASSEMBLY ITEM 30,
INCLUDES ITEMS WITHIN DASHED LINE
EXCEPT ITEMS 12,13 AND 31
9
page 54 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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gearbox assy.
NO.
1%$ 0753
paRT NO.
paRT Name
SEAL, OIL
SCREW, HHC 1/4-20 X 3/4
FLANGE, INPUT SHAFT
O-RING, 2" 8032 N
BEARING, CUP, TIMKEN #M11910
BEARING, CONE, TIMKEN #LM11949
KEY, SQUARE 3/16 X 1-1/4
GEAR, WORM "B" INPUT SHAFT
CASE, WORM GEAR MACHINED
VENT, AIR
QTy.
RemaRKS
1
4
1
1
2
2
1
1
1
1
2%
3%
0131 A
12876
4%$ 20395
6%# 20466
7%# 20465
8%
9%
0627
1851
10% 12874
11% 21218
12
13
21046
21047
GASKET/SEAL KIT.............................................1...............INCLUDES ITEMS W/ $
BEARING KIT......................................................1...............INCLUDES ITEMS W/ #
14% 20476
15% 21033
16% 0121 A
17% 1138
18%# 20475
19%# 20474
20% 1140
21% 20470
22% 1139
23% 1238
25%$ 20396
26% 12875
27% 10235
28% 20875
29%$ 0254
SCREW, HHC 1/4-28 X 3/8
SIGHT GLASS, 3/4 M PIPE STEEL
FITTING, PLUG 3/8 MP SQ HEAD
RING, SNAP, TRUARC 5100-112
BEARING, CUP TIMKEN #M86610
BEARING, CONE TIMKEN #M86647
GEAR, WORM, COMPOSITE
SHAFT, OUTPUT
KEY, WOODRUFF #810
KEY, WOODRUFF #25
O-RING, 254 BUNA N
COVER, GEARBOX
2
1
1
1
2
2
1
1
1
1
1
1
4
4
1
WASHER, C/S EXT. SHKP
SCREW, FHSC 5/16-18 X 3/4
SEAL, OIL
30
31
32
33
34
35
20407
10139
22292
20802
1150
GEARBOX ASSY. ..............................................1................INCLUDES ITEMS W/ %
GEARBOX OIL ISO 680, 22 OZ. (650 ML)
SPACER, 1/2 X .406 X 1/4 UNTREATED
RING, SNAP TRUARC 5100-37
YOKE ARM
2
2
2
1
1
20801
PIN, YOKE
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 55
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engine assy.
20
1
8
19
3
2
18
17
5
21
22
16
15
1 14
13
1
28
6
23
BLUE
LOCTITE
4
23
25
BLUE
LOCTITE
BLUE
LOCTITE
23
29
4
4
1
9
1
10
NOTES:
APPLY BLUE LOCTITE™ 246, ITEM 23.
11
1
30
12
page 56 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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engine assy.
NO.
1
2
3
4
5
6
8
paRT NO.
22996
1475
paRT Name
QTy.
RemaRKS
ENGINE, SUBARU 9.0 HP, EX27
CONNECTOR, SPLICE TAP
WIRE, SAFETY SWITCH
1
1
1
3
1
4
1488
12287
21984
933241
0250
SCREW, THP 1/4- 20 X 3/4 SS
LIFTING BALE ASSEMBLY B FIN
WASHER, FLAT SAE 5/16 RD 9 YZ
CLUTCH ASSEMBLY 1" CENTRIFUGAL,.........1................INCLUDES ITEMS W/@
9
0627
KEY, SQ 3/16 X 1-1/4
PULLEY AK-54 X 3/4
V-BELT A28
BELT GUARD
CLUTCH PLATE
SCREW, SHS 3/8-24 X 3/4, NP
SPRING, CLUTCH .156 X 5.375 X .025
WEIGHT, AUTOMATIC CLUTCH
DRUM, CENTRIFUGAL CLUTCH
BEARING, SHIELDED 6007 ZZ E
CLUTCH SPINDLE, 1" BORE
SWIVEL ASSEMBLY
1
1
1
1
1
2
1
4
1
1
1
1
1
1
1
1
1
1
4
1
1
10
11
12
21140
0152 3
21970
13@ 0253
14@ 1868
15@ 0855
16@ B1766
17@ 0251
18@ 0456
19@ 0252
20
21
22
23
25
26
27
28
29
30
20845
1834
1273
60097
1406
21915
21679
10229
21678
0300 B
DEFLECTOR
SCREW, HHST 8-32 X 3/8
LOCTITE ™ #246, BLUE
PLUG, END (CLUTCH)
SPACER PLATE, LIFTING BAIL
SPACER, 1 X .78 X .69L
SCREW, HHC 5/16-24 X 1
SCREW, FHSC 5/16-24 X 1-3/4
WASHER, FLAT SAE 5/16
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 57
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spider assy.
17
18
25
16
19
21
20
3
15
2
1
1
11
2
13
1
4
14
7
9
22
5
10
6
23
12
4
3
8
5
NOTES:
1
2
3
4
5
APPLY LOCTITE P/N 1477 TO ITEMS 1 AND 14
SPIDER ASSEMBLY P/N 1490
INCLUDES ALL ITEMS WITHIN OUTLINE.
INCLUDED WITH ITEM 19 OR CAN BE
ORDERED SEPARATELY (P/N 1471)
TORQUE TO 90 FT.-LBS (122 Nm)
TORQUE TO 130 FT.-LBS (176 Nm)
24
page 58 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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spider assy.
NO.
1%
2%
3%
4%
5%
6%
7%
8%
9%
paRT NO.
0164 B
0166 A
1157 A
1161-1
1162 A
1163-1
1316
paRT Name
RADIUS HEAD 3/8-16, FULL THREAD
LOCK WASHER 3/8 MED
BUSHING, TROWEL ARM
SPIDER PLATE
CAP, GREASE ZERK #2 YELLOW
LEVER, TROWEL ARM RIGHT HAND
SPRING, LS ARM RETURN
RETAINING SCREW ASSY.
NUT, HEX FINISH 3/8-16
QTy.
4
4
4
1
4
4
4
4
RemaRKS
1322
1456
1
10% 1875
11% 1876
12% 2827-1
13% 4164
14% 12097
WASHER, INT. SHKP. 3/8”
4
4
4
4
NUT, HEX JAM 3/8 - 16 CLASS 2B
ARM, B FINISHER, EXTENDED
ROLL PIN 5/16 x 1-3/4”
SCREW, SQHS 3/8 -16 X 1-3/4 CONE GRD 8
1
15
16
17$
18$
19$
1490
SPIDER PLATE ASSY., .....................................1................INCLUDES ITEMS W/ %
THRUST BEARING KIT.....................................1................INCLUDES ITEMS W/ $
10968
12208
12778
10793
WEAR RING
FLANGE BEARING
1
1
THRUST COLLAR ............................................1................INCLUDES ITEMS W/ #
20$# 1471
THRUST COLLAR BUSHING
WEAR PLATE
SCREW, HHFS 5/16-18 X 1-1/2 GR 5
BLADE ASSEMBLY
TOOL, TROWEL ARM ADJUST. FIXTURE
1
1
12
4
21$
22
1154 A
21906
C464
1817
24
25
1
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 59
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stabilizer ring assy.
SEE DETAIL “A”
6
DETAIL “A”
4
4
3
1
5
2
BLUE
LOCTITE
1
1
APPLY LOCTITE 242 BLUE
OR EQUIVALENT.
1
page 60 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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stabilizer ring assy.
NO.
1
2
paRT NO.
1237
1477
paRT Name
SCREW, SCH 5/16-18 X 7/8, NYL, NP
LOCTITE, 242
QTy.
RemaRKS
4
`
3
4
5
6
1723
ROD END, 5/16-24 MALE
NUT, HEX FINISH 5/16-24
WASHER, FLAT SAE 5/16"
RING, STABILIZER, 16-1/2" ARM
4
8
4
1
6014 C
0300 B
1483
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 61
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blade assy.
2
1
8
15
11
14
16
17
13
9
12
10
5
5
6
7
page 62 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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blade assy.
NO.
1
2
paRT NO.
C464
21906
paRT Name
TROWEL BLADE, 8 X 18 STANDARD BC
SCREW, HHFS 5/16 - 18 X 1-1/2 GR5
QTy.
RemaRKS
4
8
3
4
5
6
7
8
9
9
10
10
11
11
12
12
13
14
15
16
17
BLADE AND PAN ACCESSORIES, ALL ...........1................SEE NOTICE BELOW
REVERSIBLE COMBO BLADE.........................4................SEE NOTICE BELOW
FLOAT DISC LATCH PIN...................................4................SEE NOTICE BELOW
TROWEL ARM ADJ. FIXTURE ASM.................1................SEE NOTICE BELOW
FLOAT DISC ......................................................1................SEE NOTICE BELOW
FLOAT BLADE...................................................4................SEE NOTICE BELOW
FINISH BLADE ..................................................4................SEE NOTICE BELOW
ENDURO FINISH BLADE W/ROTATING...........4................SEE NOTICE BELOW
COMBO FLOAT &FINISH BLADE .....................4................SEE NOTICE BELOW
ENDURO COMBO FLOAT &FINISH BLADE.....4................SEE NOTICE BELOW
UNIVERSAL FINISH BLADE............................4................SEE NOTICE BELOW
ENDURO UNIVERSAL FINISH BLADE ............4................SEE NOTICE BELOW
UNIVERSAL COMBO BLADE ...........................4................SEE NOTICE BELOW
ENDURO UNIVERSAL COMBO BLADE...........4................SEE NOTICE BELOW
0201
GUARD RING LUG RING
4
UNIVERSAL MOUNTING BAR..........................4................SEE NOTICE BELOW
SNAP PIN 1/4"X1-3/4".......................................8................SEE NOTICE BELOW
1434
0202
TROWEL LUG (FINISH BLADE ONLY)
HHCS 5/16-18X1" RING
4
4
NOTICE
Contact Unit Sales Dept.For This Accessory Item.
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 63
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ex27 — cranKcase assy.
page 64 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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ex27 — cranKcase assy.
NO.
10
paRT NO.
paRT Name
CRANK CASE CP .............................................1................INCLUDES ITEMS W/$
QTy.
RemaRKS
2791010611
2371420203
2771601001
0440300160
0600300370
2771501103
0105080250
0105060410
0440060020
0401140030
20#
26#
30$
40$
50$
60#
70#
75$
80
VALVE GUIDE
STEM SEAL
OIL SEAL
BALL BEARING
PIPE KNOCK
STUD
2
1
1
1
2
2
2
1
1
1
STUD
OIL SEAL
PLUG
GASKET
90@ 0211140020
210 2791100221
MAIN BEARING COVER C ...............................1................INCLUDES ITEMS W/%
220% 0440300160
230% 0600300370
OIL SEAL
1
1
1
1
2
1
7
BALL BEARING
GOVERNOR GEAR CP
GOVERNOR SLEEVE
OIL GAUGE
GASKET
FLANGE BOLT
250
260
270
27745004K1
2774190203
2796360113
280@ 0213200050
300
610
0010408350
2791300121
CYLINDER HEAD CP .......................................1................INCLUDES ITEMS W/#
620@ 2791500133
GASKET (HEAD)
FLANGE BOLT
FLANGE BOLT
ROCKER COVER CP
GASKET (ROCKER COVER)
PIPE KNOCK
1
4
1
1
1
2
4
630
631
680
0110080240
0110080310
2771550301
690@ 2771600113
700
710
960
2771501103
0110060020
2799900127
FLANGE BOLT
GASKET SET ...................................................1................INCLUDES ITEMS W/@ AND
.............................................................................................ITEM 340 MUFFLER ASSY.
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 65
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ex27 — cranKshaft assy.
page 66 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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ex27 — cranKshaft assy.
NO.
10
50
70
80
310
paRT NO.
paRT Name
CRANK SHAFT CP
FLANGE NUT
WOODRUFF KEY
KEY
QTy.
RemaRKS
2792090161
0180180010
0323030010
2072600103
2792250120
1
1
1
1
CONNECTING ROD ASSY................................1................INCLUDES ITEMS W/#
320# 2792300103
CONNECTING ROD BOLT
PISTON PIN
PISTON
PISTON RING SET
CLIP
2
1
1
1
2
350
360
370
380
2792330113
27923401H3
2792351117
0565180010
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 67
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ex27 — muffler assy.
page 68 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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ex27 — muffler assy.
NO.
10
25
27
paRT NO.
paRT Name
CAM SHAFT CP ...............................................1................INCLUDES ITEMS W/%
QTy.
RemaRKS
2793160121
2773510103
0240060030
PIN (CAM SHAFT)
O RING
PIN (SPRING)
RELEASE LEVER
CLIP
RETURN SPRING
VALVE SPRING
SPRING RETAINER
INTAKE VALVE
EXHAUST VALVE
COLLET-VALVE
TIMING CHAIN CP
TENTIONER
1
1
1
1
1
1
2
2
1
1
4
1
1
1
1
1
34% 2773860103
35% 2793640103
37% 2773650103
38% 2773870303
60
70
80
90
95
150
160
163
166
170
200
2793360103
2693370103
27933401H3
27933501H3
13210KA031
27935602H1
2773691103
2773710103
2773690203
2773691313
2773500401
SPRING (TENTIONER)
PIN (TENTIONER)
CHAIN GUIDE
PIN (ROCKER) CP ...........................................1................INCLUDES ITEMS W/+
CLIP
202+ 0031305000
1
220
225
2773620100
2773620200
ROCKER ARM (IN) ASSY..................................1................INCLUDES ITEMS W/#
ROCKER ARM (EX) ASSY.................................1................INCLUDES ITEMS W/@
230# 0149050020
231@ 0149050020
240# 0170050030
241@ 0170050030
ADJUST SCREW
ADJUST SCREW
NUT
NUT
FLANGE BOLT
MUFFLER CP
SPARK ARRESTER CP
TAPPING SCREW
MUFFLER COVER CP
GASKET (MUFFLER)
FLANGE NUT
TAPPING BOLT
FLANGE BOLT
FLANGE BOLT
TAPPING SCREW
DEFLECTOR CP
1
1
1
1
1
1
1
1
1
1
2
2
1
1
2
1
290
310
315
317
320
340
350
360
361
365
387
440
540
0110060010
27930111L1
2793760101
0150040060
2793420121
2773520113
0023808000
0152060090
0110060010
0110080320
0150040060
27737001H1
27932902J1
INSULATOR CP ................................................1................INCLUDES ITEMS W/$
560$ 27935902J3
GASKET 1 (INSULATOR)
FLANGE NUT
FLANGE BOLT
1
2
1
570
580
0023806000
0010406200
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 69
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ex27 — air cleaner assy.
page 70 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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ex27 — air cleaner assy.
NO.
510
paRT NO.
paRT Name
AIR CLEANER ASSY. .........................1................INCLUDES ITEMS W/#
QTy.
RemaRKS
2793261570
2793272008
2793265018
2793264318
2793273008
2793274008
2793260618
0023806000
0010406200
510-210#
510-220#
510-250#
510-260#
510-270#
510-520#
570
PACKING
GASKET
1
1
1
1
2
1
2
1
COVER
LABEL
WING NUT
ELEMENT SET
FLANGE NUT
FLANGE BOLT
580
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 71
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ex27 — governor assy.
page 72 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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ex27 — governor assy.
NO.
10
20
30
40
50
60
70
paRT NO.
paRT Name
QTy.
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
RemaRKS
2794230153
2774220133
2794270111
2774280123
0031305000
0011406250
0186060020
2794250273
2774330301
2774370101
2774350203
2774450103
0217060070
0043106250
2374500423
2774390203
0131050030
2774600201
0043104080
0023506000
2774510303
0110060020
GOVERNOR LEVER
GOVERNOR SHAFT
GOVERNOR ROD CP
ROD SPRING
CLIP
BOLT AND WASHER AY
NUT
GOVERNOR SPRING
SPEED CONT. LEVER CP
LINK ROD CP
STOP PLATE
WASHER
FRICTION WASHER
SCREW, PAN HEAD
SPRING (ADJUST)
CLAMP
SCREW AND WASHER AY
SPEED CONT. BRKT CP
SCREW
SELF LOCK NUT
RETURN SPRING
FLANGE BOLT
80
310
322
340
350
355
360
365
395
396
435
440
450
480
485
1
1
1
1
1
2
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 73
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ex27 — bloWer assy.
page 74 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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ex27 — bloWer assy.
NO.
10
20
40
60
61
80
81
paRT NO.
paRT Name
QTy.
RemaRKS
2795120201
0732005820
0110060030
2795271111
2795270213
20A0111500
0110060020
0130060281
BLOWER HOUSING CP
LABEL (TRADE MARK)
FLANGE BOLT
1
1
4
1
1
1
1
4
BAFFLE 1 (CASE) CP
BAFFLE 2 (HEAD)
FLANGE BOLT
FLANGE BOLT
FLANGE BOLT
220
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 75
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ex27 — recoil starter assy.
page 76 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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ex27 — recoil starter assy.
NO.
210
paRT NO.
paRT Name
RECOIL STARTER AY ..............................1................INCLUDES ITEMS W/#
QTy.
RemaRKS
2795030120
2265071608
2775012108
2795011008
2265070118
2815032508
2815033008
2265074108
210-1#
210-2#
210-3#
210-4#
210-5#
210-6#
210-8#
SPIRAL SPRING
REEL
1
1
1
1
2
1
1
1
1
STARTER ROPE
STARTER KNOB
RACHET
FRICTION SPRING
FRICTION PLATE
STARTER PULLEY
CENTER SCREW
210-11# 2795014508
210-49# 2815035108
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 77
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ex27 — fuel tanK assy.
page 78 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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ex27 — fuel tanK assy.
NO.
10
20
23
30
40
48
60
63
70
80
90$
paRT NO.
paRT Name
QTy.
RemaRKS
2796010211
0732005181
2799511203
X430440161
X641360010
0505120020
0023808000
0110080250
2796260201
X851061580
0561110050
FUEL TANK CP
LABEL (WARNING)
LABEL (MODEL)
FUEL TANK CAP CP
FUEL FILTER
1
1
1
1
1
1
2
2
UNION
FLANGE NUT
FLANGE BOLT
FUEL PIPE CP ..................................................1................INCLUDES ITEMS W/$
RUBBER PIPE
HOSE CLAMP
1
2
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 79
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ex27 — carburetor assy.
page 80 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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ex27 — carburetor assy.
NO.
210
paRT NO.
paRT Name
CARBURETOR ASSY................................1................INCLUDES ITEMS W/#
QTy.
RemaRKS
2796230240
2796253608
2516245008
2796252708
2796242008
2796252008
2796253008
2516245308
2796250008
2796251508
2856255008
2516235008
2796254008
2796250508
2796240108
2856255108
2796235318
2836235708
2856255208
210-1#
210-2#
210-3#
210-5#
210-8#
210-11#
210-12#
210-14#
210-15#
210-16#
210-17#
210-18#
210-19#
210-22#
210-28#
210-40#
210-41#
210-79#
210-102# 2796256108
210-103# 2796256208
210-151# 2796245108
210-152# 2796245208
210-300# 2796210310
210-302#$ 2776211018
210-303#$ 2776210018
210-325# 0062610061
210-327# 2796258508
VALVE THROTTLE
SCREW
VALVE CHOKE
JET SLOW
SHAFT CHOKE
SHAFT SUB ASSY (TH)
SCREW
VALVE ASSY NEEDLE
PIN FLOAT LEVER
FLOAT CHAMBER SUB ASSY.
GASKET
GASKET CHAMBER
FLOAT SUB ASSY.
JET MAIN
DRAIN SCREW
SCREW ADJUSTING
SPRING
GASKET
BUSH
COLLAR
O-RING
O-RING
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
COCK BODY-A ......................................... 1................INCLUDES ITEMS W/$
PACKING
CUP
O-RING
SCREW
CHOKE LEVER CP
1
1
1
2
1
224
2774380101
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 81
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ex27 — ignition coil assy.
page 82 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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ex27 — ignition coil assy.
NO.
10
11
30
paRT NO.
paRT Name
QTy.
RemaRKS
2797923101
2797943001
0010406200
27773101H1
0650140150
0655000270
KU31107101
0110060010
0569000020
FLYWHEEL CP
IGNITION COIL CP
BOLT AND WASHER AY
WIRE 1 CP
1
1
2
1
1
1
1
1
1
50
100
110
705
741
780
SPARK PLUG
SPARK PLUG CAP
FLOAT C/U CP3
FLANGE BOLT
PURSE LOCK
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 83
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ex27 — oil sensor assy.
page 84 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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ex27 — oil sensor assy.
NO.
700
740
770
775
780
paRT NO.
paRT Name
QTy.
RemaRKS
2797630151
0010406140
2797550123
0152060050
0569000020
OIL SENSOR CP
BOLT AND WASHER AY
WIRE CLAMP
1
2
1
1
1
TAPPING BOLT
PURSE LOCK
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 85
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terms and conditions of sale — parts
5. Parts must be in new and resalable
condition, in the original Multiquip
package (if any), and with Multiquip part
numbers clearly marked.
Multiquip reserves the right to quote and
sell direct to Government agencies, and to
Original Equipment Manufacturer accounts
who use our products as integral parts of their
own products.
paymeNT TeRmS
Terms of payment for parts are net 30 days.
frEighT pOlicy
6. The following items are not returnable:
All parts orders will be shipped collect or
prepaid with the charges added to the invoice.
All shipments are F.O.B. point of origin.
Multiquip’s responsibility ceases when a
signed manifest has been obtained from the
carrier, and any claim for shortage or damage
must be settled between the consignee and
the carrier.
a. Obsolete parts. (If an item is in the
price book and shows as being
replaced by another item, it is
obsolete.)
SpeCIaL eXpeDITINg SeRvICe
A $35.00 surcharge will be added to the
invoice for special handling including bus
shipments, insured parcel post or in cases
where Multiquip must personally deliver the
parts to the carrier.
b. Any parts with a limited shelf life
(such as gaskets, seals, “O” rings,
and other rubber parts) that were
purchased more than six months
prior to the return date.
LImITaTIONS OF SeLLeR’S LIabILITy
mINImUm ORDeR
Multiquip shall not be liable hereunder for
damages in excess of the purchase price of
the item with respect to which damages are
claimed, and in no event shall Multiquip be
liable for loss of profit or good will or for any
other special, consequential or incidental
damages.
The minimum charge for orders from Multiquip
is $15.00 net. Customers will be asked for
instructions regarding handling of orders not
meeting this requirement.
c. Any line item with an extended
dealer net price of less than
$5.00.
d. Special order items.
ReTURNeD gOODS pOLICy
Return shipments will be accepted and
credit will be allowed, subject to the following
provisions:
e. Electrical components.
f. Paint, chemicals, and lubricants.
g. Decals and paper products.
h. Items purchased in kits.
LImITaTION OF WaRRaNTIeS
No warranties, express or implied, are
made in connection with the sale of parts or
trade accessories nor as to any engine not
manufactured by Multiquip. Such warranties
made in connection with the sale of new,
complete units are made exclusively by a
statement of warranty packaged with such
units, and Multiquip neither assumes nor
authorizes any person to assume for it
any other obligation or liability whatever in
connection with the sale of its products. Apart
from such written statement of warranty,
there are no warranties, express, implied or
statutory, which extend beyond the description
of the products on the face hereof.
1. A Returned Material Authorization
must be approved by Multiquip prior to
shipment.
7. The sender will be notified of any material
received that is not acceptable.
8. Such material will be held for five
working days from notification, pending
instructions. If a reply is not received
within five days, the material will be
returned to the sender at his expense.
2. To obtain a Return Material Authorization,
a list must be provided to Multiquip
Parts Sales that defines item numbers,
quantities, and descriptions of the items
to be returned.
9. Credit on returned parts will be issued
at dealer net price at time of the original
purchase, less a 15% restocking
charge.
a. The parts numbers and descriptions
must match the current parts price
list.
b. The list must be typed or computer
generated.
10. In cases where an item is accepted, for
which the original purchase document
can not be determined, the price will be
based on the list price that was effective
twelve months prior to the RMA date.
c. The list must state the reason(s)
for the return.
Effective: February 22, 2006
d. The list must reference the sales
order(s) or invoice(s) under
which the items were originally
purchased.
11. Credit issued will be applied to future
purchases only.
priciNg aNd rEbaTES
e. The list must include the name
and phone number of the person
requesting the RMA.
Prices are subject to change without prior
notice. Price changes are effective on a
specific date and all orders received on or
after that date will be billed at the revised price.
Rebates for price declines and added charges
for price increases will not be made for stock
on hand at the time of any price change.
3. AcopyoftheReturnMaterialAuthorization
must accompany the return shipment.
4. Freight is at the sender’s expense. All
parts must be returned freight prepaid to
Multiquip’s designated receiving point.
page 86 — b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13)
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notes
b46S90WaLK-beHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #0 (06/13/13) — page 87
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OperatiOn and parts Manual
HERE’S HOW TO GET HELP
PLEASE HAVE THE MODEL AND SERIAL
NUMBER ON-HAND WHEN CALLING
United StateS
Multiquip Corporate Office
MQ Parts Department
18910 Wilmington Ave.
Carson, CA 90746
Contact: [email protected]
Tel. (800) 421-1244
Fax (310) 537-3927
800-427-1244
310-537-3700
Fax: 800-672-7877
Fax: 310-637-3284
Service Department
Warranty Department
800-421-1244
310-537-3700
Fax: 310-537-4259
Fax: 310-943-2238
800-421-1244
310-537-3700
Fax: 310-943-2249
Technical Assistance
800-478-1244
mexico
United Kingdom
MQ Cipsa
Multiquip (UK) Limited Head Office
Carr. Fed. Mexico-Puebla KM 126.5
Momoxpan, Cholula, Puebla 72760 Mexico
Contact: [email protected]
Tel: (52) 222-225-9900
Unit 2, Northpoint Industrial Estate, Tel: 0161 339 2223
Fax: (52) 222-285-0420 Globe Lane,
Dukinfield, Cheshire SK16 4UJ
Contact: [email protected]
Fax: 0161 339 3226
Canada
Multiquip
4110 Industriel Boul.
Laval, Quebec, Canada H7L 6V3
Contact: [email protected]
Tel: (450) 625-2244
Tel: (877) 963-4411
Fax: (450) 625-8664
© COPYRIGHT 2013, MULTIQUIP INC.
Multiquip Inc, the MQ logo are registered trademarks of Multiquip Inc. and may not be used, reproduced, or altered without written permission. All other trademarks are the property
of their respective owners and used with permission.
This manual MUsT accompany the equipment at all times. This manual is considered a permanent part of the equipment and should remain with the unit if resold.
The information and specifications included in this publication were in effect at the time of approval for printing. Illustrations, descriptions, references and technical data contained in
this manual are for guidance only and may not be considered as binding. Multiquip Inc. reserves the right to discontinue or change specifications, design or the information published
in this publication at any time without notice and without incurring any obligations.
Your Local Dealer is:
pn: 23969
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