Husqvarna Lawn Mower Z4818BIA User Guide

Models:  
Operators Manual  
968999250 / Z4818BIA  
Please read these instructions carefully and make  
sure you understand them before using the machine.  
MANUAL NO. 539109797 REV. IR (09/18/04)  
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CONTENTS  
SYMBOLS & DECALS ......................... 4  
Air Screen & Air Filter ................. 26  
Oil Filter ...................................... 26  
Spark Plugs ................................ 26  
Fuel Filter.................................... 26  
Cleaning ..................................... 26  
SERVICE AND ADJUSTMENT............. 27  
Mower ......................................... 27  
Deck Level.................................. 27  
Deck Belt Replacement ............. 28  
SAFETY INSTRUCTIONS.................... 5  
General use and saftey rules...... 5  
Driving on slopes ........................ 7  
Children safety............................ 8  
Service safety............................. 8  
Transportation ............................ 10  
SPECIFICATIONS................................. 11  
ASSEMBLY ........................................... 12  
Tools Required............................ 12  
Unpacking................................... 12  
Seat Attachment ......................... 12  
Control Lever Attachment ........... 12  
Check Tire Pressure .................. 14  
Assembly Checklist .................... 14  
OPERATION.......................................... 15  
Controls ...................................... 15  
Operation Instructions ................ 16-21  
CUSTOMER RESPONSIBILITIES ...... 22  
Maintenance Schedule ............... 22  
Lubrication Chart ........................ 23  
Tires ........................................... 23  
Operator Presence System ....... 23  
Blade Care ................................. 23  
V-Belts ........................................ 25  
Engine ........................................ 25  
IZT (Integraded Zeroturn  
Transaxle) Belt Replacement ..... 29  
Seat Adjustment ......................... 30  
Control Levers Adjustment ......... 30  
Wheel Removal .......................... 30  
Jump Starting Engine ................. 30  
Battery Replacement.................. 31  
Park Brake.................................. 31  
TrackingAdjustment ................... 32  
STORAGE ............................................. 33-34  
TROUBLESHOOTING ......................... 35-36  
WIRING SCHEMATIC ........................... 37  
3
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SYMBOLS AND DECALS  
N
R
Reverse  
Neutral  
Slow  
Choke  
Fast  
Warning  
Danger  
Caution  
Fuel  
Ignition  
Run  
Mower  
Mower  
deck  
engaged  
deck  
disengaged  
Parking  
brake  
Stop  
Start  
Do not stand here  
Do not tow or push mower  
unless you engage the IZT  
(Intergraded Zeroturn  
Do not put pressure on  
drive levers.  
Read Operator’s Manual.  
Transaxle) bypass linkages  
Battery acid is corrosive, explosive, and flammable.  
Cutting  
height  
Do not touch rotating parts.  
Shut off engine  
Keep a  
safe  
distance  
from the  
machine.  
& remove key  
before perform-  
ing any  
maintenance or  
repair work.  
Use on  
slopes no  
greater  
Read  
Operator’s  
Manual  
No passen-  
gers  
than 10°  
Severing  
of fingers  
& toes.  
Do not open  
or remove  
safety  
shields while  
engine is  
running.  
Careful  
Careful going  
forward,  
watch for  
Whole  
body  
exposure  
to thrown  
objects.  
backing up,  
watch for  
other people.  
other people.  
4
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SAFETY INSTRUCTIONS  
Safety Instructions  
These instructions are for your safety. Read them carefully.  
WARNING!  
This symbol means that important safety instructions need to be emphasized.  
It concerns your safety.  
General Use  
Read all instructions in this operator’s  
manual and on the machine before starting  
it. Ensure that you understand them and  
then abide by them.  
Learn how to use the machine and its  
controls safely and learn how to stop quickly.  
Also learn to recognize the safety decals.  
Only allow the machine to be used by adults  
who are familiar with its use.  
Make sure nobody else is in the vicinity of the  
machine when you start the engine, engage  
the drive, or run the machine.  
8011-512  
Read the operator’s manual before starting the  
machine  
Make sure animals and people maintain a  
safe distance from the machine.  
Stop the machine if someone enters the  
work area.  
Clear the area of objects such as stones,  
toys, steel wire, etc. that may become  
caught in the blades and thrown out.  
Beware of the discharge deck and do not  
point it at any one. Do not use the machine  
without the discharge deck in place.  
8011-513  
Stop the engine and prevent it from start-ing  
before you clean the discharge deck.  
Clear the area of objects before mowing  
Remember that the operator is responsible  
for dangers or accidents.  
Never take passengers. The machine is only  
intended for use by one person.  
Always look down and behind before and  
during reversing maneuvers. Keep a look out  
for both large and small obstacles.  
Slow down before turning.  
8011-520  
Shut down the blades when not mowing.  
5
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SAFETY INSTRUCTIONS  
Be careful when rounding fixed objects, so  
that the blades do not hit them. Never drive  
over foreign objects.  
WARNING!  
Engine exhaust and certain  
vehicle components contain  
or emit chemicals considered  
to cause cancer, birth defects,  
or other reproductive system  
damage. The engine exhaust  
contains carbon monoxide,  
which is a colorless, poisonous  
gas. Do not use the machine  
in enclosed spaces.  
Only use the machine in daylight or in other  
well-lit conditions. Keep the machine a safe  
distance from holes or other irregularities in  
the ground. Pay attention to other possible  
risks.  
Never use the machine if you are tired, if  
you have consumed alcohol, or if you are  
taking other drugs or medication that can  
affect your vision, judgment, or  
coordination.  
Beware of traffic when working near or  
crossing a road.  
Never leave the machine unsupervised with  
the engine running. Always shut down the  
blades, pull back the parking brake, stop the  
engine, and remove the ignition key before  
leaving the machine.  
Never allow children or other persons not  
trained in the use of the machine to use or  
service it. Local laws may regulate the age  
of the user.  
8011-518  
WARNING!  
When using the machine, approved personal protective equipment shall be  
used. Personal protective equipment cannot eliminate the risk of injury but it  
will reduce the degree of injury if an accident does happen. Ask your retailer  
for help in choosing the right equipment.  
Make sure that you have first aid equipment  
close at hand when using the machine.  
Never use the machine when barefoot.  
Always wear protective shoes or boots,  
preferably with steel toecaps.  
Always wear approved protective glasses or  
a full visor when assembling or driving.  
Never wear loose clothing that can get  
caught in moving parts.  
8011-292  
Personal protective equipment  
6
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SAFETY INSTRUCTIONS  
Driving on Slopes  
Driving on slopes is one of the operations where  
the risk is greatest that the driver will lose control or  
the machine will tip over, which can result in  
serious injury or death. All slopes require extra  
caution. If you cannot reverse up a slope or if you  
feel unsure, do not mow the slope.  
Do as follows  
Remove obstacles such as stones,  
tree branches, etc.  
Mow up and down, not side-to-side.  
Never drive the rider on terrain that slopes more  
than 10°.  
Avoid starting or stopping on a slope. If the tires  
begin to slip, shut down the blades and drive  
slowly down the slope.  
Always drive evenly and slowly on slopes.  
8003-004  
Mow up and down, not side-to-side  
Make no sudden changes in speed or direction.  
Avoid unnecessary turns on slopes, and if it  
proves necessary, turn slowly and gradually  
downward, if possible.  
Watch out for and avoid driving over furrows,  
holes, and bumps. On uneven terrain, the  
machine can tip more easily. Long grass can  
hide obstacles.  
Drive slowly. Use small movements of the  
steering controls.  
Be extra cautious with any additional equipment,  
which can alter the machine’s stability.  
Do not mow near verges, ditches, or banks. The  
machine can suddenly spin around if a wheel  
goes over the edge of a drop or ditch, or if an  
edge gives way.  
Do not mow wet grass. It is slippery, and the tires  
can lose their grip, so that the machine slides.  
8011-519  
Be extra cautious when driving on slopes  
Try not to stabilize the machine by putting a foot  
on the ground.  
When cleaning the chassis, the machine may  
never be driven near verges or ditches.  
Avoid starting or stopping on a slope. If tires  
lose traction, disengage the blades and  
proceed slowly straight down the slope.  
If machine stops while going uphill, disen-  
gage blades and back down slowly.  
Do not turn on slopes unless necessary, and  
then, turn slowly and gradually downhill, if  
possible.  
7
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SAFETY INSTRUCTIONS  
Children  
Serious accidents may occur if you fail to be  
on guard for children in the vicinity of the  
machine. Children are often attracted to the  
machine and mowing work. Never assume  
that children will stay put where you last saw  
them.  
Keep children away from the mowing area  
and under close supervision by another  
adult.  
Keep an eye out and shut off the machine if  
children enter the work area.  
Before and during a reversing maneuver,  
look backward and downward for small  
children.  
8011-517  
Never allow children to operate the machine  
Never allow a child to ride with you. They can  
fall off and injure themselves seriously or  
prevent risk-free maneuvering of the  
machine.  
Never allow children to operate the machine.  
Be particularly cautious near corners,  
bushes, trees, or other objects that block  
your view.  
WARNING!  
The engine must not be started when the driver’s floor plate or any protective  
plate for the mower deck’s drive belt is removed.  
Stop the engine. Prevent the engine from  
starting by removing the ignition key before  
making any adjustments or performing  
maintenance.  
Never fill the fuel tank indoors.  
Fuel and fuel fumes are poisonous and  
extremely flammable. Be especially cautious  
when handling fuel, as carelessness can  
result in personal injury or fire.  
Only store fuel in containers approved for the  
purpose.  
Never remove the fuel tank cap and never fill  
the fuel tank while the engine is running.  
8011-516  
Never fill the fuel tank indoors  
8
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SAFETY INSTRUCTIONS  
Allow the engine to cool before refueling. Do  
not smoke. Do not fill fuel in the vicinity of  
sparks or open flames.  
WARNING!  
If leaks arise in the fuel system, the engine  
must not be started until the problem has been  
resolved.  
The engine, the exhaust system,  
and the hydraulic system’s  
components become very warm  
during operation.  
Store the machine and fuel in such a way that  
there is no risk of leaking fuel or fuel vapor  
leading to damages.  
Risk for burns if touched.  
Check the fuel level before each use and leave  
space for the fuel to expand, because the heat  
from the engine and the sun may otherwise  
cause the fuel to expand and overflow.  
Avoid overfilling. If you spill fuel on the machine,  
wipe up the spill and wait until it has evaporated  
before starting the engine. If you have spilled  
fuel on your clothing, change your clothing.  
WARNING!  
The battery contains lead and  
lead compounds, chemicals  
that are considered to cause  
cancer, birth defects, and  
other reproductive system  
damage. Wash your hands  
after touching the battery.  
Allow the machine to cool before taking any  
actions in the engine compartment.  
Be very careful when handling battery acid.  
Acid on skin can cause serious corrosive  
burns. If you spill battery acid on your skin,  
rinse immediately with water.  
Acid in the eyes can cause blindness, contact  
a doctor immediately.  
Be careful when servicing the battery.  
Explosive gases form in the battery. Never  
perform maintenance on the battery when  
smoking or near open flames or sparks. The  
battery can explode and cause serious injury/  
damage.  
Ensure that nuts and bolts, especially the  
fastening bolts for the blade attachments, are  
properly tightened and that the equipment is in  
good condition.  
Do not modify safety equipment. Check  
regularly to be sure it works properly. The  
machine must not be driven with defective or  
unmounted protective plates, protective  
cowlings, safety switches, or other protective  
devices.  
8011-563  
Do not smoke when performing maintenance on  
the battery. The battery can explode and cause  
serious injury/damage  
Do not change the settings of governors and  
avoid running the engine with overly high  
engine speeds. If you run the engine too fast,  
you risk damaging the machine components.  
9
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SAFETY INSTRUCTIONS  
Never use the machine indoors or in spaces  
lacking proper ventilation. The exhaust fumes  
contain carbon monoxide, an odorless,  
poisonous, and lethal gas.  
Stop and inspect the equipment if you run over  
or into anything. If necessary, make repairs  
before starting.  
Never make adjustments with the engine  
running.  
The machine is tested and approved only with  
the equipment originally provided or  
recommended by the manufacturer.  
The blades are sharp and can cause cuts and  
gashes. Wrap the blades or use protective  
gloves when handling them.  
8011-515  
Never drive the machine in an enclosed space  
Check the parking brake’s functionality  
regularly. Adjust and service as necessary.  
The mulch deck shall only be used when  
higher quality mowing is desired in familiar  
areas.  
Reduce the risk of fire by removing grass,  
leaves, and other debris that may have  
accumulated on the machine. Allow the  
machine to cool before putting it in storage.  
Transport  
The machine is heavy and can cause serious  
crushing injuries. Be extra cautious when it is  
loaded on or unloaded from a vehicle or trailer.  
8011-514  
Clean the machine regularly  
Use an approved trailer to transport the  
machine. Activate the parking brake, turn off  
the fuel supply, and fasten the machine with  
approved fastening devices, such as bands,  
chains, or ropes, when transporting.  
IMPORTANT INFORMATION  
The parking brake is not sufficient to  
lock the machine in place during  
transport. Ensure that the machine is  
well fastened to the transport vehicle.  
Reverse the machine onto the transport  
vehicle to avoid tipping it over.  
Check and abide by local traffic regulations  
before transporting or driving the machine on  
any road.  
10  
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SPECIFICATIONS  
GASOLINE CAPACITY  
5.6 GALLONS  
AND TYPE  
UNLEADED REGULAR  
OIL TYPE (SPI-SF-SJ):  
SEE YOUR ENGINE  
OWNERS MANUAL  
SPARK PLUG:  
SEE ENGINE MANUAL  
GROUND SPEED (MPH):  
FORWARD: 0 - 5.5  
REVERSE: 0 - 2.5  
TIRE PRESSURE:  
CHARGING SYSTEM:  
BATTERY:  
FRONT: 15 PSI  
REAR: 15 PSI  
BRIGGS & STRATTON 16AMP  
@ 3600 RPM  
MIN. CCA: 300  
CASESIZE: 5 1/4W X 7 3/4 L X 6 T  
BLADE BOLT TORQUE:  
45-55 FT./LBS.  
CUSTOMER RESPONSIBILITIES  
Read and observe the safety rules.  
CONGRATULATIONS on your purchase of a  
new mower. It has been designed, engineered  
and manufactured to give you the best possible  
dependability and performance.  
Should you experience any problem you cannot  
easily remedy, please contact your nearest  
authorized service center/ department. We  
have competent, well-trained technicians and  
the proper tools to service or repair this mower.  
Please read and retain this manual. The in-  
structions will enable you to assemble and  
maintain your mower properly. Always observe  
the "SAFETY RULES”.  
Follow a regular schedule in maintaining,  
caring for and using your mower.  
Follow the instructions under "Customer  
Responsibilities” and "Storage” sections of  
this owner’s manual.  
WARNING  
This mower is equipped with an internal  
combustion engine and should not be used  
on or near any unimproved forest-covered,  
brush-covered or grass-covered land un-  
less the engine’s exhaust system is  
equipped with a spark arrester meeting  
applicable local or state laws (if any). If a  
spark arrester is used, it should be main-  
tained in effective working order by the op-  
erator.  
A spark arrester for the muffler is available  
through your nearest authorized engine service  
center/department.  
11  
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ASSEMBLY  
Your new mower has been assembled at the factory with the exception of those parts left un-  
assembled for shipping purposes. To ensure safe and proper operation of your mower, all  
parts and hardware you assemble must be tightened securely. Use the correct tools as  
necessary to insure proper tightness.  
TOOLS REQUIRED  
FOR ASSEMBLY  
1. 9/16" wrench or 9/16" socket w/ drive  
ratchet  
2. Tire pressure gauge  
3. Nail bar or claw hammer  
4. Wire snips  
When right or left hand is mentioned in this  
manual, it means when you are in the operating  
position (seated).  
TO REMOVE THE MOWER  
FROM CRATE  
UNPACK CRATE  
Using the nail bar or hammer, remove the  
top of the crate first. Then remove the  
sides of the crate and place these out of  
the way. Be careful of any exposed nails  
or staples.  
Remove the plastic bag that covers the  
mower.  
Using the wire snips, cut any plastic ties  
that are holding the mower to the crate.  
Remove the seat off of the front of the  
mower and place in a safe location.  
12  
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ASSEMBLY  
BEFORE REMOVING THE  
MOWER FROM THE SKID  
ATTACH SEAT (See Fig. 1)  
The seat position should be adjusted forward or  
backward so that the operator can comfortably  
reach the deck lift pedal and safely operate the  
mower. See "Service and Adjustment" Section  
of this manual.  
1
2
Remove protective wrap from the seat.  
Remove the three prong knobs and  
washers from the seat and place in the  
storage area in the right side console.  
Raise the seat pan up so that the bottom  
can be easily accessed.  
3
CZ-1  
Securing one of the three prong knobs  
and washers, insert it thru the seat pan  
slot and into the corresponding threaded  
hole in the seat bottom.  
FIGURE 1  
1. SEAT PAN  
2. KNOBS  
3. WIRE HARNESS  
Repeat for the other three holes.  
Tighten the three prong knobs in the  
approximate position desired for the  
seat.  
Connect the wiring harness to the seat  
switch.  
Adjustments may be required to position the  
seat in the desired position. Refer to the  
"Service and Adjustment" section of this  
manual.  
ATTACH CONTROL LEVERS (See Fig. 2)  
Using the 9/16" wrench or socket and  
ratchet, remove the bottom hex bolt and  
spring washer from the control arm.  
Rotate the control lever up until the bolt  
and spring washer can be placed thru  
the slot in the bottom of the control lever  
and threaded back into the control arm.  
Center the hex bolt in the slot on the  
control lever. Using the wrench or  
ratchet, tighten both the top and bottom  
hex bolts.  
1
2
3
Repeat on opposite side of the mower.  
Adjustments may be required to get uniform  
positioning of the control lever. Refer to the  
"Service and Adjustment" section of this manual.  
4
CZ-2  
FIGURE 2  
1. CONTROL LEVER  
2. CONTROL ARM  
3. HEX BOLTS  
NOTE: You may now roll or drive the mower off  
of the skid. Follow the appropriate instruction  
below to remove the mower from the skid.  
4. NEUTRAL SLOT  
13  
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ASSEMBLY  
TO ROLL THE MOWER OFF OF THE SKID  
(See Operation section for location and  
function of controls  
Move to the rear of the mower, and place  
the IZT (Integraded Zeroturn Transaxle)  
bypass linkages into the bypass position  
to disengage the IZT’s (See “TO  
TRANSPORT” in the Operation section  
of this manual).  
Sitting on the mower, press the deck lift  
pedal in to the highest cutting position.  
Release park brake lever.  
Roll the mower forward or backward off  
of the skid.  
TO DRIVE THE MOWER OFF OF THE  
SKID (See Operation section for location  
and function of controls)  
WARNING  
Before starting, read, understand and  
follow all instructions in the Operation  
section of this manual. Be sure the mower  
is in a well-ventilated area. Be sure the area  
in front of the mower is clear of other people  
and objects.  
Be sure all of the above assembly  
steps have been completed.  
Check engine oil level and fill fuel  
tank with gasoline.  
Place the IZT(Integraded Zeroturn  
Transaxle) bypass linkages into the  
drive position (See “TRANSPORT” in  
the Operation section of this manual).  
Sit on the seat in the operating  
position, set the park brake lever to  
the on position.  
Rotate the control levers outward  
into the neutral slot.  
Press forward on the deck lift pedal  
to raise the deck into the highest  
cutting position.  
Place the throttle control into the  
choke position.  
Start the engine. After the engine  
has started, move the throttle control  
to the idle position.  
Release the park brake.  
Move the control levers into the  
operate position.  
14  
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ASSEMBLY  
Slowly move the control levers  
forward and slowly drive the mower  
off of the skid.  
Return the control levers back to the  
neutral position.  
Apply the park brake.  
Turn the ignition key to the “OFF”  
position.  
CHECK THE TIRE PRESSURE  
Correct tire pressure is important for best cutting  
performance.  
Check the tire pressure and adjust  
accordingly. Refer to the  
“SPECIFICATIONS” section in this  
manual.  
CHECKLIST  
PLEASE REVIEW THE FOLLOWING  
CHECKLIST  
All assembly instructions have been  
completed  
No remaining loose parts in crate  
Seat is adjusted properly and securely  
fastened  
All tires are properly inflated  
Check wiring. See that all connections  
are still secure, and wires are properly  
clamped.  
Before driving the mower, be sure the  
IZT(Integraded Zeroturn Transaxle)  
bypass linkages are in the drive position.  
WHILE LEARNING HOW TO USE  
YOUR MOWER, PAY EXTRA  
ATTENTION TO THE FOLLOWING  
ITEMS:  
Engine oil is at proper level  
Fuel tank is filled with fresh, clean,  
regular unleaded gasoline. Check your  
engine manual for fuel requirements.  
Become familiar with all controls – their  
location and function. Operate them  
before you start the engine.  
Become familiar with unit operation on a  
flat and level area with the mower deck  
shut off.  
Be sure the brake system is in a safe  
operating condition. If adjustment is  
needed see Service and Adjustment  
section.  
15  
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OPERATION  
CONTROLS  
3
3
1
5
8
7
9
CZ-5  
10  
CZ-3  
4
2
6
CZ-10  
CZ-6  
FIGURE 3  
6. IZT (Integraded Zeroturn  
1. PTO SWITCH Used to engage or  
Transaxle)BYPASS LINKAGES –  
Bypasses IZT’s for pushing or pulling  
mower.  
disengage the deck blades.  
2. FOOT PEDAL Used to raise, lower and  
select various cutting heights of the deck.  
7. IGNITION SWITCH – Used to start or stop  
the engine.  
3. CONTROL LEVERS Sets the speed of  
the mower in both forward and reverse  
directions and turns the mower.  
8. PARKING BRAKE LEVER – Engages  
and disengages the park brakes.  
4. CHOKE CONTROL – Used when starting  
9. TENSION RELIEF LEVER – Used to  
release the belt tension on the deck belt for  
ease in removing or replacing the belt.  
a cold engine.  
5. THROTTLE CONTROL – Used to control  
Engine Speed.  
10. HOUR METER – Indicates hours of  
operation.  
16  
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OPERATION  
HOW TO USE YOUR MOWER  
TO SET PARKING BRAKE (See Fig. 3)  
Your mower is equipped with an operator  
presence system. When the engine is running,  
any attempt by the operator to leave the seat  
without first setting the park brake will shut off  
the engine.  
Pull park brake lever up to engage the  
park brake. Make sure the lever is  
secured to the right.  
DECK BLADES  
To stop the deck blades, press down on  
the PTO Switch into the disengaged  
position.  
ENGINE  
Move throttle control to slow position.  
NOTE: Failure to move the throttle control to  
slow position and allow engine to idle before  
stopping may cause engine to “backfire”.  
Turn ignition key to “OFF” position and  
remove key. Always remove key when  
leaving the mower to prevent  
unauthorized use.  
Never use choke to stop engine.  
IMPORTANT: LEAVING THE IGNITION  
SWITCH INANY POSITION OTHER THAN  
“OFF” WILL CAUSE THE BATTERY TO BE  
DISCHARGED, (DEAD).  
WARNING  
Always stop mower completely before  
leaving the operators position; to empty a  
grass catcher, etc.  
17  
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OPERATION  
TO USE THROTTLE CONTROL (See Fig. 3)  
Always operate engine at full throttle. The  
Throttle control is equipped with a choke detent.  
Pressing the throttle control all of the way  
forward will choke the engine. For full throttle,  
press throttle control forward until you feel  
resistance.  
Operating engine at less than full throttle  
reduces the battery charging rate  
Full throttle offers the best mower  
performance.  
TO USE CHOKE CONTROL (See Fig. 3)  
Use choke control whenever you are starting a  
cold engine. Do not use to start a warm engine.  
To choke, pull up on the choke knob.  
To take out of choke, push down on the  
choke knob.  
Motion Control Lever Pattern  
(Right Side)  
TO MOVE FORWARD AND BACKWARD  
(See Fig. 4)  
3
IMPORTANT: CONTROL LEVERS RETURN  
TO NEUTRAL WHEN RELEASED. THIS MAY  
CAUSE A SUDDEN STOP OF THE MOWER.  
1
FRONT OF  
MOWER  
2
The direction and speed of movement is  
controlled by the control levers on either side of  
the mower.  
4
FIGURE 4  
1. FORWARD  
2. NEUTRAL  
3. NEUTRAL SLOT  
NEUTRAL LOCK  
4. REVERSE  
The left lever controls the flow of oil in the left IZT  
(Integraded Zeroturn Transaxle) to the left wheel.  
The right lever controls the flow of oil in the right  
IZT to the right wheel.  
18  
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OPERATION  
NOTE: To begin motion the operator must be in  
the seat and the parking brake disengaged  
before the motion control levers can be moved  
from the neutral slots or the engine will kill. Fig. 4  
and 4A.  
1
2
By moving the levers an equal amount forward  
or back the machine will move in a straight line  
in that direction. Fig. 4 and 4A  
3
Movement of either lever forward will cause the  
right or left wheel to rotate in a forward direction.  
To stop movement pull both levers into the  
neutral position.  
4
To turn right while moving in a forward direction  
pull the right lever back towards the neutral  
position, this will slow the rotation of the right  
wheel and cause the machine to turn in that  
direction.  
5
6
CZ-7  
To turn left while moving in a forward direction  
pull the left lever back towards the neutral  
position, this will slow the rotation of the left  
wheel and cause the machine to turn in that  
direction.  
FIGURE 4A  
1. FORWARD  
2. REVERSE  
3. CONTROL LEVER  
4. HEX NUTS & WASHERS  
5. CONTROL ARM  
6. NEUTRAL SLOT  
To zero turn pull one lever back beyond neutral  
while holding the other slightly ahead of neutral.  
NOTE: The direction of the zero turn will be  
determined by which lever is pulled back beyond  
neutral. Thus left lever back, left zero turn and  
opposite for right zero turn.  
Use extra care when using this maneuver  
the machine can spin very rapidly if one  
lever is positioned too far ahead of the  
other.  
CAUTION  
DO NOT apply excessive force to control  
levers or use to assist in dismounting unit.  
Misuse will result in bent control levers.  
19  
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OPERATION  
TO ADJUST THE DECK CUTTING  
HEIGHT (See Fig. 5)  
The deck cutting height is obtained by pressing  
the foot pedal forward to lift the deck. To lower  
the deck, you apply pressure to the top side of  
the foot pedal and allow it to pivot while allowing  
the lift arm to rotate to the rear of the unit. To  
stop in a desired cutting position, rotate the foot  
pedal down into the notch in the height plate.  
The cutting height range is from 1 1/2" to 4 1/2"  
in 1/2" increments. The heights are measured  
from the ground up to the blade tip with the  
engine not running.  
1
2
3
The average lawn should be cut to 2 1/2"  
during the cool season and to over 3"  
during the hot months. For healthier and  
better looking lawns, mow often and after  
moderate growth.  
CZ-8  
FIGURE 5  
1. FOOT PEDAL  
2. LIFT ARM  
3. HEIGHT PLATE  
For best cutting performance, grass over  
6 inches in height should be mowed  
twice. Make the first cut relatively high;  
the second to the desired height.  
20  
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OPERATION  
TO ADJUST ANTI-SCALP  
ROLLERS (See Figure 6)  
1
Anti-scalp rollers are properly adjusted when  
they are just slightly off of the ground when the  
deck is at the desired cutting height in the  
operating position. Anti-scalp rollers then keep  
the deck in the proper position to help prevent  
scalping in most terrain conditions.  
NOTE: Adjust Anti-scalp rollers with the mower  
on a flat level surface.  
CZ-9  
Adjust the deck to the desired cutting  
height (see “TO ADJUST DECK  
CUTTING HEIGHT” in the operation  
section of this manual).  
FIGURE 6  
1. ANTI-SCALP ROLLER  
Using a 3/4" wrench and a 9/16" wrench,  
remove the nut and shoulder bolt from  
the anti-scalp roller.  
Lower the anti-scalp roller to the ground,  
and raise it up to the next highest hole.  
Replace and tighten the nut and shoulder  
bolt.  
Be sure to adjust all of the anti-scalp  
rollers to the same position.  
Be sure to readjust the anti-scalp rollers  
if the cutting height is changed.  
IMPORTANT: THE ANTI-SCALP ROLLERS  
MUST NOT BE USED FOR GAUGE WHEELS  
OR THE ROLLER AND DECK MAY BE  
DAMAGED.  
21  
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OPERATION  
TO OPERATE MOWER  
Your mower is equipped with an operator  
presence system. When the engine is running,  
any attempt by the operator to leave the seat  
without first setting the park brake will shut off  
the engine.  
Select desired height of cut.  
Start deck blades by pulling the PTO  
switch up into the engaged position.  
To stop the deck blades, press down on  
the PTO Switch into the disengaged  
position.  
WARNING  
Do not operate the deck without either  
the entire grass catcher, mulch kit or dis-  
charge chute installed.  
TO OPERATE ON HILLS  
WARNING  
Do not drive up or down hills with slopes  
greater than 10 degrees. And do not drive  
across any slopes.  
The slowest speed possible should be  
used before starting up or down hills.  
Avoid stopping or changing speed on  
hills.  
If stopping is absolutely necessary, pull  
drive levers into the neutral position and  
push to the outside of the unit and  
engage the park brake.  
IMPORTANT: Control levers return to neutral  
when released. This may cause a sudden stop  
of the mower.  
To restart movement, release the park  
brake.  
Pull the control levers back to the center  
of the mower and press forward to  
regain forward motion.  
Make all turns slowly.  
22  
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OPERATION  
TO TRANSPORT (See Fig. 7)  
When pushing or pulling the mower, be sure to  
engage the IZT (Integraded Zeroturn Transaxle)  
bypass linkages. The IZT bypass linkages are  
located on the rear of the frame, below the rear  
engine guard.  
1
CAUTION  
CZ-10  
Do not tow this vehicle, it may cause dam-  
age to the drive system.  
FIGURE 7  
1. IZT BYPASS LINKAGE  
1
Raise the deck into the highest cutting  
position.  
Pull the IZT bypass linkages out and into  
the slots and release so that it is held in  
the bypass position.  
To reengage the IZT’s to drive, reverse  
the above procedure.  
2
CZ-11  
FIGURE 7A  
1. HEAD INSIDE OF REAR DECK  
2. IZT BYPASS LINKAGE IN DRIVE POSITION  
WARNING  
Do not tow any trailers, etc. with this mower.  
They may jackknife or overturn causing  
damage to the mower and possibly serious  
injury to the operator.  
1
2
CZ-12  
FIGURE 7B  
1. HEAD OUTSIDE OF REAR DECK  
2. IZT BYPASS LINKAGE IN BYPASS POSITION  
23  
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OPERATION  
BEFORE STARTING THE ENGINE  
CHECK ENGINE OIL LEVEL  
The engine in your mower has been  
shipped from the factory, already filled  
with 10W-30 motor oil.  
Check engine oil with the mower on level  
ground.  
Refer to you Engine Owners Manual for  
correct oil level.  
To change engine oil, see the Customer  
Responsibilities section of this manual.  
ADD GASOLINE  
Fill fuel tank. Use fresh, clean, regular  
unleaded gasoline with a minimum of 87  
octane. (Use of leaded gasoline will  
increase carbon and lead oxide deposits  
and reduce valve life). Do not mix oil  
with gasoline. Purchase fuel in  
quantities that can be used within 30  
days to ensure fuel freshness.  
IMPORTANT: WHEN OPERATING IN  
TEMPERATURES BELOW 32° F. (0° C.), USE  
FRESH, CLEAN WINTER GRADE GASOLINE  
TO HELP INSURE GOOD COLD WEATHER  
STARTING.  
CAUTION  
Experience indicates that alcohol blended  
fuels (called gasohol or using ethanol or  
methanol) can attract moisture which leads  
to separation and formation of acids dur-  
ing storage. Acidic gas can damage the fuel  
system of an engine while in storage. To  
avoid engine problems, the fuel system  
should be emptied before storage of 30  
days or longer. Drain the gas tank, start  
the engine and let it the run until the fuel  
lines and carburetor are empty. Use fresh  
fuel the next season. See Storage Instruc-  
tions for additional information. Never use  
engine or carburetor cleaners in the fuel  
tank or permanent damage may occur.  
WARNING  
Fill to bottom of filler neck. Do not over  
fill. Wipe off any spilled oil or fuel. Do  
not store, spill or use gasoline near an  
open flame.  
24  
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OPERATION  
TO START ENGINE (See Fig. 3)  
When starting the engine for the first time or if  
the engine has run out of fuel, it will take extra  
cranking time to move fuel from the tank to the  
engine.  
Be sure IZT (Integraded Zeroturn  
Transaxle) bypass linkages are in the  
drive position.  
Sit on the seat in the operators position,  
release park brake lever.  
Check to be sure the PTO switch is  
disengaged.  
Move the throttle control to the choke  
position.  
For a warm engine start, the choke  
control may not be needed  
NOTE: Before starting, read the warm and cold  
starting procedures below.  
Insert key into the ignition and turn the  
key clockwise to “START” position and  
release the key as soon the engine  
starts. Do not run the starter  
continuously for more than 15 seconds  
per minute. If the engine does not start  
after several attempts, push the throttle  
control into the choke position, wait a few  
minutes and try again. If the engine still  
does not start, move the throttle control  
back into the fast position and retry.  
WARM WEATHER STARTING (50° F and above)  
When the engine starts, slowly pull the  
throttle control back until the engine  
begins to run smoothly. If the engine  
starts to run roughly, press the throttle  
control back forward to choke the engine  
for a few seconds. Then continue to pull  
the throttle control back to the fast  
position.  
The PTO switch and ground drive can  
now be used. If the engine does not  
accept the load, restart the engine and  
allow it to warm up for one minute using  
the choke as described above.  
25  
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OPERATION  
COLD WEATHER STARTING (50° F and below)  
When the engine starts, slowly pull the  
throttle control back until the engine  
begins to run smoothly. Continue to pull  
back on the throttle control in small steps  
allowing the engine to accept small  
changes in speed and load, until the  
throttle control is completely in the fast  
position. If the engine starts to run  
roughly, press the throttle control back  
forward to choke the engine for a few  
seconds. Then continue to pull the  
throttle control back slowly to the fast  
position. This may require an engine  
warm up period from several seconds to  
several minutes, depending on the  
temperature.  
MOWING TIPS  
The cutting deck should be properly  
leveled for best mowing performance.  
See “TO LEVEL DECK” in the Service  
and Adjustment section of this manual.  
The left hand side of the deck should be  
used for trimming.  
Drive so that clippings are discharged  
onto the area that has been cut. Have  
the cut area to the right of the mower.  
This will result in more even distribution  
of clippings and a more uniform cut.  
If grass is extremely tall, it should be  
mowed twice to reduce load and possible  
fire hazard from dried clippings. Make  
first cut relatively high; second to desired  
height.  
Do not mow grass when it is wet. Wet  
grass will plug the deck and leave  
undesirable clumps. Allow grass to dry  
before mowing.  
Always operate engine at full throttle  
when mowing to assure better mowing  
performance and proper discharge of  
material. Regulate ground speed by  
going slow enough to allow proper deck  
cutting performance as well as the  
quality of cut desired. When operating  
attachments, select a ground speed that  
will suit the terrain and give best  
performance of the attachment being  
used.  
26  
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CUSTOMER RESPONSIBILITIES  
MAINTENANCE SCHEDULE  
Before  
each  
use  
EVERY  
Before  
8 Hours 25 Hours 50 Hours 100 Hours Season Storage  
Check Brake Operation  
Check Tire Pressure  
X
X
X
X
Check Operator Presence and  
Interlock Systems  
X
X
Check for Loose Fasteners  
Sharpen/Replace mower Blades  
Lubrication Chart  
5
X
X
X
X 3  
X
X
X
Check Battery Level  
4
X
Clean Battery and Terminals  
Check V-Belts  
X
Check Engine Oil Level  
Change Engine Oil (with oil filter)  
Change Engine Oil (without oil filter)  
CleanAir Filter  
X
X
X
X
X1, 2  
X1, 2  
X 2  
Clean Air Screen  
2
X
Inspect Muffler/Spark Arrester  
Replace Oil Filter  
X
X 1, 2  
2
Clean Engine Cooling Fins  
Replace Spark Plug  
X
X
X
X
2
Replace Air Filter Paper Cartridge  
Replace Fuel Filter  
X
3 - Replace blades more often when mowing in sandy soil.  
4 - Not required if equipped with maintenance-free battery.  
5 - Tighten front axle pivot bolt to 35 ft./lbs. maximum.  
DO NOT overtighten.  
1 - change more often when operating under a heavy load or in high  
ambient temperatures.  
2 - Service more often when operating in dirty or dusty conditions.  
27  
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CUSTOMER RESPONSIBILITIES  
GENERAL RECOMMENDATIONS  
The warranty on this mower does not cover  
items that have been subjected to operator  
abuse or negligence. To receive full value from  
the warranty, operator must maintain mower as  
instructed in this manual.  
Some adjustments will need to be made periodi-  
cally to properly maintain your mower.  
All adjustments in the Service and Adjustments  
section of the this manual should be checked at  
least once each season.  
Once a year you should replace the  
spark plug, clean or replace air filter, and  
check blades and belts for wear. A new  
spark plug and clean air filter assure  
proper air-fuel mixture and help your  
engine run better and last longer.  
BEFORE EACH USE  
Check engine oil level.  
Check brake operation.  
Check tire pressure.  
Check operator presence and interlock  
systems for proper operation.  
Check for loose fasteners.  
28  
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CUSTOMER RESPONSIBILITIES  
LUBRICATION CHART  
GREASE LUBE POINTS EVERY 25 HOURS.  
CHECK TIRE AIR PRESSURE  
FRONT TIRES - 15 PSI  
REAR TIRES - 15 PSI  
REFER TO ENGINE OPERATORS MANUAL  
PRIOR TO SERVICING THE ENGINE.  
IMPORTANT:DONOTOILORGREASETHEPIVOTPOINTSWHICHHAVESPECIALNYLONBEARINGS.  
VISCOUS LUBRICANTS WILLATTRACTDUSTAND DIRTTHATWILLSHORTENTHE LIFE OFTHE SELF-  
LUBRICATING BEARINGS. IF YOU FEEL THEY MUST BE LUBRICATED, USE ONLY A DRY, POWDERED  
GRAPHITETYPELUBRICANTSPARINGLY.  
29  
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CUSTOMER RESPONSIBILITIES  
TIRES  
Maintain proper air pressure in all tires  
(See "SPECIFICATIONS" section of this  
manual).  
Keep tires free of gasoline, oil, or insect  
control chemicals which can harm  
rubber.  
Avoid stumps, stones, deep ruts, sharp  
objects and other hazards that may  
cause tire damage.  
NOTE: To seal tire punctures and prevent flat  
tires due to slow leaks, tire sealant may be  
purchased from your local parts dealer. Tire  
sealant also prevents tire dry rot and corrosion.  
OPERATOR PRESENCE SYSTEM  
Be sure the operator presence and interlock  
systems are working properly. If your mower  
does not function as described, repair the  
problem immediately.  
The engine should not start unless the  
parking brake is engaged, the PTO  
switch is disengaged (pressed down),  
the operator is on the seat, and the  
control levers are rotated to the outside  
of the mower.  
When the engine is running, any attempt  
by the operator to leave the seat without  
first setting the park brake should shut off  
the engine.  
When the engine is running and the PTO  
switch is engaged, any attempt by the  
operator to leave the seat without first  
disengaging the PTO switch, should shut  
off the engine.  
When the engine is running and the  
control levers are rotated in, any attempt  
by the operator to leave the seat without  
rotating the control levers out, should  
shut off the engine.  
The PTO switch should never engage  
without the operator on the seat.  
30  
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CUSTOMER RESPONSIBILITIES  
BLADE CARE  
For best results, mower blades must be kept  
sharp. Replace bent or damage blades.  
4
1
BLADE REMOVAL (See Fig. 8)  
2
NOTE: Protect your hands with gloves and/or  
wrap blade with heavy cloth.  
Remove blade bolt by turning  
counterclockwise.  
3
Install new or resharpened blade with  
stamped "THIS SIDE UP" facing deck  
and cutter housing.  
5
FIGURE 8  
1. BLADE  
2. CENTER HOLE  
3. STAR  
4. CUTTER HOUSING  
IMPORTANT:TO ENSURE PROPERASSEMBLY,  
CENTER HOLE IN BLADE MUST ALIGN WITH  
STAR ON CUTTER HOUSING.  
5. BLADE BOLT (SPECIAL)  
Install and tighten blade bolt securely  
(45-55 ft./lbs. torque).  
IMPORTANT: SPECIAL BLADE BOLT IS HEAT  
TREATED.  
31  
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CUSTOMER RESPONSIBILITIES  
TO SHARPEN BLADE (See Fig. 9)  
WARNING  
When it is necessary to raise the  
mower for any repair or service, use  
jackstands to provide adequate sup-  
port. DO NOT rely on hydraulic or me-  
chanical jacks  
2
Care should be taken to keep the blade bal-  
anced. An unbalanced blade will cause exces-  
sive vibration and eventual damage to mower  
and engine.  
3
1
The blade can be sharpened with a file or  
on a grinding wheel. Do not attempt to  
sharpen while on the mower.  
To check blade balance, you will need a  
5/8" diameter steel bolt, pin, or a cone  
balancer. (When using a cone balancer,  
follow the instructions supplied with  
balancer.)  
FIGURE 9  
1. BLADE  
2. CENTER HOLE  
3. 5/8” BOLT OR PIN  
NOTE: Do not use a nail for balancing the blade.  
The lobes of the center hole may appear to be  
centered, but are not.  
Slide blade on to an un-threaded portion  
of the steel bolt or pin and hold the bolt or  
pin parallel with the ground. If the blade  
is balanced, it should remain in a  
horizontal position. If either end of the  
blade moves downward, sharpen the  
heavy end until the blade is balanced.  
32  
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CUSTOMER RESPONSIBILITIES  
BATTERY  
Your mower is equipped with a maintenance  
free battery and does not need servicing.  
However, periodic charging of the battery with an  
automotive type battery charger will extend its  
life.  
Keep battery and terminals clean.  
Keep battery bolts tight.  
Recharge at 6-10 amperes for 1 hour  
NOTE: Do not attempt to open or remove caps  
or covers. Adding or checking level of electrolyte  
is not necessary.  
TO CLEAN BATTERYAND TERMINALS  
Corrosion and dirt on the battery and terminals  
can cause the battery to “leak” power.  
Remove terminal guard.  
Disconnect BLACK battery cable first,  
then the RED battery cable and remove  
the battery from the tractor.  
Rinse the battery with plain water and  
dry.  
Clean terminals and battery cable ends  
with wire brush until shiny.  
Coat terminals with grease or petroleum  
jelly  
Reinstall battery (See “REPLACING  
BATTERY” in the SERVICE AND  
ADJUSTMENT section of this manual).  
V-BELTS  
Check V-belts for deterioration and wear after  
100 hours of operation and replace if necessary.  
The Belts are not adjustable. Replace belts if  
they begin to slip from wear.  
33  
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CUSTOMER RESPONSIBILITIES  
ENGINE  
LUBRICATION  
Refer to you Engine Owners Manual  
TO CHANGE ENGINE OIL (See Fig. 10).  
Be sure the mower is on a level surface.  
Oil will drain more freely when warm.  
Place a suitable container under the right  
rear corner of the rear of the mower.  
Remove oil dipstick. Be careful not to  
allow dirt to enter the engine when  
changing oil.  
Using the clear plastic tube included with  
you mower, place it over the end of the  
drain valve located on the right side of  
your engine.  
1
Place the other end of the tube thru the  
2" diameter hole on the right side of the  
rear deck.  
2
CZ-13  
Be sure container is located under this  
area of the mower.  
FIGURE 10  
1. ENGINE OIL DRAIN  
2. PLASTIC TUBE  
Using a 10 mm wrench, turn the hex  
head on the oil valve counter clockwise  
until the oil is draining out of the tube.  
After the oil has drained, turn the hex  
head clockwise until it is tight (do not  
over tighten).  
Remove the plastic tube from the valve,  
clean excess oil off of tube and store in a  
safe place for the next use.  
Refill engine with oil through the oil  
dipstick tube. Pour slowly. Do not  
overfill.  
See Engine Owners Manual for type and  
capacity of the oil.  
34  
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CUSTOMER RESPONSIBILITIES  
CLEAN AIR SCREEN  
Air screen must be kept free of dirt and chaff to  
prevent engine damage from overheating. Refer  
to your engine manual for the proper cleaning  
procedure.  
CLEAN AIR INTAKE/COOLING AREAS  
To insure proper cooling, make sure the grass  
screen, cooling fins, and other external surfaces  
of the engine are kept clean at all times.  
Every 100 hours of operation (more often under  
extremely dusty, dirty conditions), remove the  
blower housing and other cooling shrouds. Clean  
the cooling fins and external surfaces as neces-  
sary. Make sure the cooling shrouds are rein-  
stalled.  
NOTE: Operating the engine with a blocked  
grass screen, dirty or plugged cooling fins, and/  
or cooling shrouds removed will cause engine  
damage due to overheating.  
AIR FILTER  
Your engine will not run properly using a dirty air  
filter. Service air cleaner more often under dusty  
conditions. See Engine Manual.  
ENGINE OIL FILTER  
Replace the engine oil filter every season or  
every other oil change if the mower is used more  
than 100 hours in one year.  
SPARK PLUGS  
Replace spark plugs at the beginning of each  
mowing season or after every 100 hours of  
operation, whichever occurs first. For spark plug  
type and gap setting refer to your ENGINE  
OWNER’S MANUAL.  
35  
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CUSTOMER RESPONSIBILITIES  
IN-LINE FUEL FILTER (See Figs. 11 and 12)  
The fuel filter should be replaced once each  
season. If the fuel filter becomes clogged,  
obstructing fuel flow to carburetor, replacement  
is required.  
First turn off the fuel valve that is located  
under the fuel tank of you mower.  
With the engine cool, remove the filter  
and plug fuel line sections.  
Place new filter in position in fuel line with  
arrow pointing toward the carburetor.  
Be sure there are no fuel leaks and  
clamps are secure and properly  
positioned.  
1
CZ-14  
FIGURE 11  
1. ENGINE FUELFILTER  
Immediately wipe up any spilled gasoline.  
1
CZ-15  
FIGURE 12  
1. FUEL SHUT OFF VALVE  
CLEANING  
Clean engine, battery, seat, finish, etc. of  
all foreign matter.  
Keep finished surfaces and wheels free  
of all gasoline, oil, etc.  
Protect painted surfaces with automotive  
type wax  
We do not recommend using a garden hose to  
clean your mower unless the electrical system,  
muffler, air filter and carburetor are covered to  
keep water out. Water in the engine can shorten  
the engine life.  
36  
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SERVICE AND ADJUSTMENT  
WARNING  
CZ-16  
BEFORE PERFORMING ANY SERVICE  
OR ADJUSTMENTS:  
Set park brake to engaged position.  
Place PTO switch in the disengaged  
position (pressed down).  
A
Turn ignition key "OFF" and remove  
the key.  
A
Make sure the blades and all moving  
parts have completely stopped.  
Disconnect spark plug wire from  
spark plug and place the wire where  
it cannot come in contact with the  
plug.  
FIGURE 13  
1
MOWER  
TO LEVEL DECK  
Adjust the deck while the mower is on a level  
surface. Make sure the tires are inflated to the  
correct pressure (see “SPECIFICATIONS”  
section in this manual). If tires are under or over  
inflated, you can not properly adjust your deck.  
2
CZ-17  
NOTE: It may be easier to adjust the front lift  
linkages by removing the floor pan before any  
adjustments are made  
FIGURE 14  
1. HEX NUT  
2. FRONT LIFT LINKAGE  
SIDE-TO-SIDEADJUSTMENT (See Figs. 13  
and 14)  
Raise the deck into the highest cutting  
position (4 1/2")  
Measure height from the bottom edge of  
the deck to the ground at both front  
corners. Distance “A” at both corners  
should be the same.  
2
If adjustment is necessary, make  
adjustment to one side the deck only  
To raise one side of the deck, using a 9/16"  
wrench, tighten the hex nuts on both the  
front and rear lift linkages (be sure to  
tighten equal amounts).  
1
CZ-18  
To lower one side of the deck, reverse  
previous step.  
Recheck measurements after  
adjustment.  
FIGURE 14A  
1. HEX NUT  
2. REAR LIFT LINKAGE  
37  
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SERVICE AND ADJUSTMENT  
FRONT-TO-BACKADJUSTMENT(SeeFig. 15).  
IMPORTANT: DECK MUST BE LEVEL SIDE-  
TO-SIDE. IF THE FOLLOWING FRONT-TO-  
BACKADJUSTMENT IS NECESSARY, BE  
SURE TO ADJUST BOTH FRONT OR BOTH  
REAR LINKAGES EQUALLY SO THE DECK  
WILL STAY LEVEL.  
To obtain the best cutting performance, the deck  
should be adjusted so the front tip of the blades  
are approximately 1/8" to 1/4" lower than the rear  
tip. If the front tip is higher, this will create a poor  
quality of cut.  
B
B
CZ-19  
WARNING  
FIGURE 15  
Blades are sharp. Protect your hands with  
gloves and/or wrap blades with a heavy  
cloth when handling.  
Check adjustment on the right side of the  
mower. Position any blade so that the tip is  
pointing straight forward. Measure distance “B”  
at the front and rear tip of the blade.  
Before making any necessary  
adjustments, check to make sure that  
the deck is level side-to-side.  
With the deck in the highest cutting  
position, (4 1/2") measure the front tip of  
the blade to see if the deck is higher or  
lower than 4 1/2".  
To lower the front tip of the blade, using a  
9/16" wrench, loosen the hex nuts that  
are on the front lift linkages (be sure to  
loosen equal amounts).  
When distance “B” is 1/8" to 1/4" lower at  
the front than rear the adjustment is  
done.  
Reverse above step to raise the deck.  
38  
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SERVICE AND ADJUSTMENT  
TO REPLACE DECK BELT  
DECK BELT REMOVAL (See Fig. 16 and 17)  
Park on a level surface. Apply park  
brake.  
Lower the deck into the lowest cutting  
position  
Disengage the tension relief lever from  
the lock bracket.  
1
2
WARNING  
Lever is spring loaded. Have a tight grip  
on the lever and release slowly.  
Remove screws from both the left and  
right belt shields, and remove shields.  
FIGURE 16  
1. CLUTCH PULLEY  
2. 107709 DECK BELT  
Remove any dirt or grass that may have  
accumulated around the cutter housings  
and entire deck surface.  
Carefully roll the belt over the top of the  
cutter housing pulleys.  
Remove the belt from around the electric  
clutch on the engine shaft.  
The belt can now be removed.  
DECK BELT INSTALLATION (See Figs. 16 and 17)  
NOTE: For ease in installing the deck belt, refer  
to the routing decal on the front edge of the  
deck.  
Wrap the deck belt around the electric  
clutch that is located on the engine shaft.  
Push the rest of the belt through the  
IZT(Integraded Zeroturn Transaxle)  
support and up onto the deck.  
Starting on the right hand side of the  
deck, wrap the belt around the large right  
side idler, right cutter housing pulley,  
small center idler, center pulley, left side  
pulley and then around the large left side  
idler.  
1
CZ-20  
FIGURE 16A  
1. TENSION RELIEF LEVER  
The belt will be loose at this point.  
Tightly secure the belt tension rod and  
reengage it in the lock bracket.  
39  
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SERVICE AND ADJUSTMENT  
TO REPLACE IZT (Integraded Zeroturn  
Transaxle) BELT (See Fig. 17)  
Park the mower on a level surface. Engage the  
park brake.  
3
1
4
IZT BELT REMOVAL  
NOTE: Be careful not to damage the fan  
blades on the IZT’s as this can affect cooling or  
damage the IZT’s  
Remove the deck belt (see “TO  
REPLACE DECK BELT” in this section  
of the manual).  
5
2
6
Create slack in the belt by removing the  
spring on the pump idler arm.  
The belt should now be able to be  
removed from the engine pulley and IZT  
pulleys.  
CZ-21  
FIGURE 17  
1. PUMP IDLER ARM SPRING  
2. PUMP IDLER  
3. ELECTRIC CLUTCH  
4. IZT BELT  
5. DECK BELT  
BELT INSTALLATION  
Wrap the IZT belt around the IZT pulleys  
Route the belt around the inside of the  
idler pulley.  
6. IZT SUPPORT  
Now you can wrap the belt around the  
engine pulley.  
Reattach the spring on the pump idler  
arm.  
Reinstall the deck belt onto the electric  
clutch belt (see “TO REPLACE DECK  
BELT” in this section of the manual).  
1
TO ADJUST THE SEAT (See Fig. 18)  
2
Move the control levers into the neutral  
position and rotate to the outside of the  
machine.  
Lift up on the back of the seat and rotate  
it forward.  
Loosen the three prong knobs on the  
bottom of the seat and move the seat to  
the desired position.  
3
Tighten the three prong knobs and rotate  
seat back to the operating position.  
CZ-1  
FIGURE 18  
1. SEAT PAN  
2. KNOBS  
3. WIRE HARNESS  
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SERVICE AND ADJUSTMENT  
TO ADJUST CONTROL LEVERS  
(See Fig. 19)  
Sitting on the seat, in the operators position,  
press both control levers forward. If both control  
levers line up with each other, then no  
adjustment is needed. If they do not line up,  
follow instructions below.  
1
2
Identify which control lever moves further  
forward.  
Using a 9/16" wrench, slightly loosen the  
bottom hex bolt (about 1/2 turn) on the  
opposite control lever.  
3
Move both control levers to the front  
again and apply more pressure to the  
control lever that you loosened to bring  
the two control levers in line with each  
other.  
4
CZ-2  
FIGURE 19  
1. CONTROL LEVER  
2. CONTROL ARM  
3. HEX BOLTS  
Tighten hex bolts.  
4. NEUTRAL SLOT  
TO REMOVE WHEELS FOR  
REPAIR  
FRONT CASTER TIRES  
Park mower on a level surface and apply  
park brake.  
Jack up the front end of the mower.  
Using a 3/4" wrench and/or socket w/  
drive ratchet, remove hex nut and hex  
bolt from the caster fork.  
Remove the tire from the fork.  
Remove the spacer from the inside of  
the caster rim.  
Repair tire  
Reassemble in the reverse order of the  
previous steps.  
REAR TIRES  
IMPORTANT: Block front tires to prevent the  
mower from rolling.  
Park mower on a level surface and apply  
park brake.  
Jack up the rear end of the mower on the  
side of the damaged tire.  
Remove 4 lug nuts to allow wheel  
removal.  
Repair tire.  
Reassemble in reverse order of previous  
steps.  
NOTE: To seal tire punctures and prevent flat  
tires due to slow leaks, tire sealant may be  
purchased from your local parts dealer. Tire  
sealer also prevents tire dry rot and corrosion.  
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SERVICE AND ADJUSTMENT  
TO START AN ENGINE WITH A  
WEAK BATTERY  
WARNING  
Lead-acid batteries generate explosive  
gases. Keep sparks, flame and smoking  
materials away from batteries. Always wear  
eye protection when around batteries.  
If your battery is too weak to start the engine, it  
should be recharged. (See “BATTERY” in the  
Customer Responsibilities section of this  
manual).  
If “jumper cables” are used for emergency  
starting, follow this procedure:  
IMPORTANT: YOUR MOWER IS EQUIPPED  
WITHA12-VOLT NEGATIVE GROUNDED  
SYSTEM. THE OTHER VEHICLE MUSTALSO  
BE A12-VOLT NEGATIVE GROUNDED  
SYSTEM. DO NOT USE YOUR MOWER  
BATTERY TO START OTHER VEHICLES.  
TO ATTACH JUMPER CABLES  
Connect each end of the RED cable to  
the POSITIVE (+) terminal on each  
battery, taking care not to short against  
chassis.  
Connect one end of the BLACK cable to  
the NEGATIVE (-) terminal of the fully  
charged battery.  
Connect the other end of the BLACK  
cable to a good CHASSIS GROUND,  
away from the fuel tank and battery.  
TO REMOVE CABLES, REVERSE ORDER  
BLACK cable first from chassis and then  
from the fully charged battery.  
RED cable last from both batteries.  
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SERVICE AND ADJUSTMENT  
REPLACING BATTERY (See Fig. 20)  
WARNING  
Do not short battery terminals by allowing  
a wrench or any other object to contact  
both terminals at the same time. Before  
connecting battery, remove metal brace-  
lets, wristwatch bands, rings, etc.  
1
Positive terminal must be connected first  
to prevent sparking from accidental  
grounding.  
2
CZ-22  
FIGURE 20  
Lift Seat and rotate forward.  
Open terminal access doors.  
Using two 1/2" wrenches disconnect  
BLACK battery cable then RED battery  
cable.  
1. TERMINAL GUARD  
2. TERMINAL ACCESS DOORS  
Using 7/16" wrench, remove terminal  
guard.  
Carefully remove the battery from the  
mower.  
Install new battery with terminals in the  
same position as the old battery.  
Reinstall terminal guard  
First connect RED battery cable to  
positive (+) battery terminal with hex bolt  
and hex nut.  
Connect BLACK grounding cable to  
negative (-) battery terminal with  
remaining hex bolt and hex nut.  
Tighten securely.  
Close terminal access doors.  
Lower seat.  
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SERVICE AND ADJUSTMENT  
TO ADJUST PARK BRAKE  
Before making any adjustments:  
4
NOTE:Make sure the brake arm is engaged into  
brake sprocket on both sides. You can push the  
mower to make it engage into the sprocket.  
3
5
2
With the park brake off the sping should  
measure 2 3/4” both sides.  
1/2”  
With the brake on the gap between the  
connecting link and the secondary  
linkage should be 1/2” on each side.  
If not loosen the nut against the yoke and  
turn the secondary linkage using the  
double nuts until the 1/2” gap is achieved  
on both sides. See Figure 21.  
M
1
parkbrake  
FIGURE 21  
1. CONNECTING LINK  
2. SECONDARY LINKAGE  
3. DOUBLE NUTS  
4. NUT  
5. YOKE  
TRACKING ADJUSTMENT  
If the mower is not tracking straight, check the  
air pressure in both rear tires. Recommended air  
pressure is 15 psi. If the unit will not track  
straight, follow the steps below. Tracking must  
be checked on a flat and level concrete or  
blacktop surface.  
Mower is tracking to the right. Increase  
the air pressure 2-3 psi in the right rear tire  
or decrease the air pressure 2/3 psi in the  
left rear tire.  
Mower is tracking to the left. Increase  
the air pressure 2-3 psi in the left rear tire  
or decrease the air pressure 2/3 psi in the  
right rear tire.  
Recheck tracking and keep making adjustments  
with the tire pressure until the unit tracks straight.  
DO NOT exceed maximum recommended tire  
pressure 24 psi.  
Record the tire pressure for future reference.  
44  
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STORAGE  
Immediately prepare your mower for storage at  
the end of the season or if the mower will not be  
used for 30 days or more.  
WARNING  
Never store the mower with gasoline in  
the tank inside a building where fumes may  
reach an open flame or spark. Allow the  
engine to cool before storing in any en-  
closure.  
MOWER  
When mower is to be stored for a period of time,  
clean it thoroughly, remove all dirt, grease,  
leaves, etc. Store in a clean, dry area.  
Clean entire mower (See "CLEANING" in  
the Customer Responsibilities section of  
this manual).  
Inspect and replace belts, if necessary  
(See belt replacement instructions in the  
Service and Adjustments section of this  
manual).  
Lubricate as shown in the Customer  
Responsibilities section of this manual.  
Be sure that all nuts, bolts and screws  
are securely fastened. Inspect moving  
parts for damage, breakage and wear.  
Replace if necessary.  
Touch up all rusted or chipped paint  
surfaces; sand lightly before painting.  
BATTERY  
Fully charge the battery for storage.  
After a period of time in storage, battery  
may require recharging.  
To help prevent corrosion and power  
leakage during long periods of storage,  
battery cables should be disconnected  
and battery cleaned thoroughly (see "TO  
CLEAN BATTERYAND TERMINALS" in  
the Customer Responsibilities section of  
this manual).  
After cleaning, leave cables  
disconnected and place cables where  
they cannot come in contact with battery  
terminals.  
If battery is removed from mower for  
storage, do not store battery directly on  
concrete or damp surfaces.  
45  
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STORAGE  
ENGINE  
FUEL SYSTEM  
IT IS IMPORTANT TO PREVENT GUM DEPOS-  
ITS FROM FORMING IN ESSENTIAL FUEL  
SYSTEM PARTS SUCH AS CARBURETOR,  
FUEL FILTER, FUEL HOSE, OR TANK DURING  
STORAGE. ALSO, EXPERIENCE INDICATES  
THAT ALCOHOL BLENDED FUELS (CALLED  
GASOHOL OR USING ETHANOL OR METHA-  
NOL) CANATTRACT MOISTURE WHICH  
LEADS TO SEPARATION AND FORMATION OF  
ACIDS DURING STORAGE. ACIDIC GAS CAN  
DAMAGE THE FUELSYSTEM OFAN ENGINE  
WHILE IN STORAGE.  
Drain the fuel tank.  
Start the engine and let it run until the fuel  
lines and carburetor are empty.  
Never use engine or carburetor cleaner  
products in the fuel tank or permanent  
damage may occur.  
Use fresh fuel next season.  
NOTE: Fuel stabilizer is an acceptable alterna-  
tive in minimizing the formation of fuel gum  
deposits during storage. Add stabilizer to gaso-  
line in fuel tank or storage container. Always  
follow the mix ratio found on stabilizer container.  
Run engine at least 10 minutes after adding  
stabilizer to allow the stabilizer to reach the  
carburetor. Do not drain the gas tank and carbu-  
retor if using fuel stabilizer.  
ENGINE OIL  
Drain oil (with engine warm) and replace with  
clean engine oil. (See "ENGINE" in the Customer  
Responsibilities section of this manual).  
46  
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STORAGE  
CYLINDER(S)  
Remove spark plug(s).  
Pour one ounce of oil through spark plug  
hole(s) into cylinder(s).  
Install plugs.  
Turn ignition key to "START" position for  
a few seconds to distribute oil.  
Replace with new spark plug(s).  
OTHER  
Do not store gasoline from one season  
to another.  
Replace your gasoline can if your can  
starts to rust. Rust and/or dirt in your  
gasoline will cause problems.  
If possible, store your mower indoors  
and cover it to give protection from dust  
and dirt.  
Cover your mower with a suitable  
protective cover that does not retain  
moisture. Do not use plastic. Plastic  
cannot breathe which allows  
condensation to form and will cause your  
mower to rust.  
IMPORTANT: NEVER COVER MOWER WHILE  
ENGINEAND EXHAUSTAREASARE STILL  
WARM.  
47  
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TROUBLESHOOTING POINTS  
PROBLEM  
CAUSE  
CORRECTION  
Will not start  
1. Out of fuel.  
1. Fill fuel tank.  
2. Engine not "CHOKED" properly.  
3. Engine flooded.  
4. Bad spark plug.  
5. Dirty air filter.  
2. See "TO START ENGINE" in Operation section.  
3. Wait several minutes before attempting to start.  
4. Replace spark plug.  
5. Clean/replace air filter.  
6. Dirty fuel filter.  
6. Replace fuel filter.  
7. Water in fuel.  
7. Drain fuel tank and carburetor, refill tank with fresh  
gasoline and replace fuel filter.  
8. Loose or damaged wiring.  
9. Carburetor out of adjustment.  
10. Engine valves out of adjustment.  
11. Extreme cold conditions.  
8. Check all wiring.  
9. See Engine Manual.  
10. Contact an authorized service center/department.  
11. See "To start engine" in operation section.  
Hard to start  
1. Dirty air filter.  
1. Clean/replace air filter.  
2. Bad spark plug.  
2. Replace spark plug.  
3. Weak or dead battery.  
4. Dirty fuel filter.  
3. Recharge or replace battery.  
4. Replace fuel filter.  
5. Stale or dirty fuel.  
5. Drain fuel tank and refill with fresh gasoline.  
6. Check all wiring.  
7. See Engine Manual.  
6. Loose or damaged wiring.  
7. Carburetor out of adjustment.  
8. Engine valves out of adjustment.  
8. Contact an authorized service center/department.  
1. Depress brake pedal.  
Engine will not  
turn over  
1. Brake pedal not depressed.  
2. Attachment clutch is engaged.  
3. Weak or dead battery.  
2. Disengage attachment clutch.  
3. Recharge or replace battery.  
4. Replace fuse.  
5. Clean battery terminals.  
6. Check all wiring.  
7. Check/replace ignition switch.  
8. Check/replace solenoid or starter.  
9. Contact an authorized service center/department.  
4. Blown fuse.  
5. Corroded battery terminals.  
6. Loose or damaged wiring.  
7. Faulty ignition switch.  
8. Faulty solenoid or starter.  
9. Faulty operator presence switch(es).  
Engine clicks but  
will not start  
1. Weak or dead battery.  
1. Recharge or replace battery.  
2. Clean battery terminals.  
3. Check all wiring.  
2. Corroded battery terminals.  
3. Loose or damaged wiring.  
4. Faulty solenoid or starter.  
4. Check/replace solenoid or starter.  
Loss of power  
1. Cutting too much grass/too fast.  
2. Throttle in "CHOKE" position.  
3. Buildup of grass, leaves and trash under deck.  
4. Dirty air filter.  
1. Set in "Higher Cut" position/reduce speed.  
2. Adjust throttle control.  
3. Clean underside of mower housing.  
4. Clean/replace air filter.  
5. Low oil level/dirty oil.  
6. Faulty spark plug.  
7. Dirty fuel filter.  
5. Check oil level/change oil.  
6. Clean and re-gap or change spark plug.  
7. Replace fuel filter.  
8. Stale or dirty fuel.  
9. Water in fuel.  
8. Drain fuel tank and refill with fresh gasoline.  
9. Drain fuel tank and carburetor, refill tank with  
fresh gasoline and replace fuel filter.  
10. Connect and tighten spark plug wire.  
11. Clean engine air screen/fins.  
12. Clean/replace muffler.  
10. Spark plug wire loose.  
11. Dirty engine air screen/fins.  
12. Dirty/clogged muffler.  
13. Loose or damaged wiring.  
14. Carburetor out of adjustment.  
15. Engine valves out of adjustment.  
13. Check all wiring.  
14. See Engine Manual.  
15. Contact an authorized service center/department.  
Excessive vibration 1. Worn, bent or loose blade.  
2. Bent blade mandrel.  
1. Replace blade. Tighten blade bolt.  
2. Replace blade mandrel.  
3. Loose/damaged part(s).  
3. Tighten loose part(s). Replace damaged parts.  
48  
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TROUBLESHOOTING POINTS  
CAUSE  
PROBLEM  
CORRECTION  
Engine continues to 1. Faulty operator-safety presence control system. 1. Check wiring, switches and connections. If not  
run when operator  
leaves seat with  
attachment  
corrected, contact an authorized service center/  
department.  
Poor cut - uneven  
1. Worn, bent or loose blade.  
2. Mower deck not level.  
1. Replace blade. Tighten blade bolt.  
2. Level mower deck.  
3. Buildup of grass, leaves, and trash under mower. 3. Clean underside of mower housing.  
4. Bent cutter housing.  
4. Replace cutter housing.  
5. Clogged mower deck vent holes from buildup of  
grass, leaves, and trash around cutter housing.  
5. Clean around cutter housing to open vent holes.  
1. Obstruction in clutch mechanism.  
2. Worn/damaged mower drive belt.  
3. Frozen idler pulley.  
1. Remove obstruction.  
2. Replace mower drive belt.  
3. Replace idler pulley.  
Mower blades will  
not rotate  
4. Frozen cutter housing.  
4. Replace cutter housing.  
1. Engine speed too slow.  
2. Travel speed too fast.  
3. Wet grass  
4. Mower deck not level.  
1. Place throttle control in "FAST" position.  
2. Shift to slower speed.  
3. Allow grass to dry before mowing.  
4. Level mower deck.  
Poor grass  
discharge  
5. Low/uneven tire air pressure.  
6. Worn, bent or loose blade.  
7. Buildup of grass, leaves and trash under mower.  
8. Mower drive belt worn.  
5. Check tires for proper air pressure.  
6. Replace/sharpen blade. Tighten blade bolt.  
7. Clean underside of mower housing.  
8. Replace mower drive belt.  
9. Blades improperly installed.  
10. Improper blades used.  
11. Clogged mower deck vent holes from buildup of  
grass, leaves and trash around cutter housing.  
9. Reinstall blades sharp edge down.  
10. Replace with blades listed in this manual.  
11. Clean around cutter housing to open bent holes.  
1. Bad battery cell(s).  
1. Replace battery.  
2. Check/clean all connections.  
3. Replace regulator.  
Battery will  
not charge  
2. Poor cable connections.  
3. Faulty regulator (if so equipped).  
4. Faulty alternator.  
4. Replace alternator.  
1. IZT bypass linkages in bypass position.  
2. IZT belt worn, damaged, or broken.  
1. Place IZT bypass linkages in drive in "engaged"  
position.  
2. Replace IZT belt.  
Loss of drive  
1. Engine throttle control not set at "SLOW"  
position for 30 seconds before stopping  
engine.  
1. Move throttle control to "SLOW" position and  
allow to idle for 30 seconds before stopping  
engine.  
Engine "backfires"  
when turning  
engine "OFF"  
49  
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WIRING SCHEMATIC  
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