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DEALER PREPARATION CHECK LIST
REEL and BEDKNIFE SHARPENER
BEFORE DELIVERING MACHINE- The following check list should be
completed. Use the Operator’s Man-
ual as a guide.
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
1. Assembly completed.
2. Gearbox filled with oil.
3. All fittings lubricated.
4. All shields in place and in good condition.
5. All fasteners torqued to specifications given in Torque Chart.
6. All decals in place and readable. (See decal page.)
7. Overall condition good (i.e. paint, welds)
8. Operators manual has been delivered to owner and he has been instructed on the
safe and proper use of the mower.
Dealer’s Signature______________________________________________________
Purchaser’s Signature___________________________________________________
THIS CHECKLIST IS TO REMAIN IN OWNER’S MANUAL
It is the responsibility of the dealer to complete the procedures listed
above before delivery of this implement to the customer.
1
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Introduction
Safety First!
Locke Turf employees are fully aware of the need for
Measure of safety awareness. Please read and heed
all of the safety alert information about your sharp-
safe operating procedures around all of our equipment. ener. As the operator of this place of equipment, you
We hope that you will make a sincere effort to put
safety above all other priorities. The Reel and Bed-
knife Sharpener requires an extra special
are in complete control. Only you can prevent an
accident from happening.
Getting Acquainted With Your Reel and Bedknife Sharpener
There are some features that have been incorporated
into this unit that may not be found on other sharpen-
ers. Take a moment to note some of the les obvious
advantages of your new sharpener.
•
•
•
•
The Locke Turf Sharpeners allow a full range of
adaptability.
All primary points are easily accessible for main-
tenance.
The pump supply line is equipped with a shut-off
valve to regulate coolant flow.
The three (3) gallon reservoir maintains more
than adequate coolant flow to provide less heat
build-up during the sharpening process.
•
Precision manufactured mounting brackets and
the adjustable spin motor mounting decreases
“set-up” time and insures ease of reel unit
mounting and accuracy during the sharpening
process.
•
The wheel heads are positioned to provide better
operator visibility.
•
The one (1) horsepower wheel head motor pro-
duces faster sharpening time, with less adjust-
ment to obtain the best possible cutting results.
Owner Assistance
The parts on your Locke Turf Reel and Bedknife
Sharpener have been specially designed and should
only be replaced with genuine Locke Turf parts.
Should you require parts or service, contact your Locke
Turf dealer. He has trained personnel, parts and the
equipment to carry out all of your service requirements.
Your dealer wants you to be satisfied with your new
machine. If for any reason you are not satisified with
the service received, the following actions are sug-
gested:
1. First, discuss the matter with your dealership ser-
vice manager. Make sure they are aware of any
problems you may have and that they have had
the opportunity to assist you.
Serial Number
The serial number plate is located on the outside right
frame, near the lower left corner. For your conven-
ience, record the serial number and purchase date on
this page. This serial number and purchase date on
this page. This number provides important information
about your sharpener and may be required to obtain
the correct replacement part. Always use the serial
number and model number when corresponding or
ordering parts from your Locke Turf dealer.
2. If you still not satisfied, seek out the owner or
General Manager of the dealership and explain
the problem and request assistance.
3. For further assistance beyond that provided by
your dealer, you may contact:
Locke Turf—Customer Service
307 Highway 52E
Opp, AL 36467
Serial Number
Model Number
Date Purchased
Store a copy of the above information in a separate location in case this manual is lost.
4
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SECTION 1 - SAFETY
grinding of reels, the following safety precau-
tions must be observed.
Important Safety Information
For your safety and to help in developing a better un-
derstanding of your equipment, we highly recom-
mended that you read the operator’s manual. Reading
these sections not only provides valuable training but
also familiarizes you with helpful information and its
location. The parts sections are for reference only and
don’t require cover to cover reading. After reviewing
the manuals, store them in a dry, easily accessible
location for your future reference.
A. A full face shield should be worn when op-
erating the grinder while “Relief” grinding
reels with the canopy in open/raised posi-
tion.
B. Some type of protective gloves must be
worn to prevent serious injury. (Kevlar or
Chain Mail type).
9.
Never operate the grinder if the safety switch in
the canopy is not functional.
Safety Notations
This manual has been prepared to instruct you in the
safe and efficient operation of your Reel and Bedknife
Sharpener. Read and follow all instructions and safety
precautions carefully.
10. Do not open the electrical control box unless the
power is off at the main switch box.
11. Grind slowly over “high” areas and adjust ac-
cording to instructions.
Safety Rules
CAUTION
12. ESCAPING COOLANT FLUID UNDER PRES-
SURE CAN HAVE SUFFICIENT FORCR TO
PENETRATE THE SKIN. CHECK ALL HOSES
BEFORE APPLYING PRESSURE. FLUID ES-
CAPING FROM A VERY SMALL HOLE CAN
BE ALMOST INVISIBLE. USE PAPER OR
CARDBOARD, NOT BODY PARTS, TO
CHECK FOR SUSPECTED LEAKS. IF IN-
JURED, SEEK MEDICAL ASSISTANCE FROM
A DOCTOR THAT IS FAMILIAR WITH THIS
TYPE OF INJURY. FOREIGN FLUIDS IN THE
TISSUE MUST BE SURGICALLY REMOVED
WITHIN A FEW HOURS OR GANGRENE WILL
RESULT.
Most accidents are the result of negligence and care-
lessness, usually caused by failure of the operator to
follow simple but necessary safety precautions. The
following safety precautions are suggested to help pre-
vent such accidents. The safe operation of any ma-
chinery is a major concern of consumers and manufac-
turers alike. Your Reel and Bedknife Sharpener has
been designed with many built-in safety features.
However, no one should operate this product before
carefully reading the Operator’s Manual.
1. Do not allow anyone to operate this machine who
has not been properly trained in its safe operation.
WARNING
13. Using the proper coolant aids the grinding proc-
ess, prevents heat build-up and helps control
dust.
2. THIS SHARPENER CAN BE DANGEROUS AND
CAUSE BODILY HARM IF NOT PROPERLY
USED OR GUARDED. DO NOT ALLOW ANY-
ONE TO ASSIST IN GRINDING; OBSERVERS
SHOULD BE DISCOURAGED, OR REMAIN AT A
SAFE DISTANCE!
14. Do not single blade or relief grind reels unless
the finger guide is the correct distance from the
grinding wheel and fully secured.
3. Be alert to others in the area while grinding.
4. Do not let children operate the grinder.
5. Never allow horse play around the grinder.
6. Always wear safety glasses when grinding.
Prior To Operation
1. Familiarize yourself with all controls and safety
precautions.
2. Before grinding, clear the work area of objects
and debris that could become entangled in the
reel or thrown from the sharpener.
7. To prevent personal injury caused by thrown ob-
jects, the use of front and rear canopy shields is
an absolute necessity when spin grinding the
reels.
3. Always insure that ht ereel is fully secured in the
mounting brackets before spin grinding. When
using “Out of Frame” brackets be sure the bear-
ings are seated properly in the bearing housing
collets. Using the “All Thread” adjusting rods of
the Out of Frame Bracket Assembly, press the
bearings squarely onto the reel unit shafts.
8. Never spin grind reels while the canopy is in the
raised position. As it is necessary to have the
front canopy open, or raised, during “Relief”
5
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CAUTION
Safety Decals
4. DO NOT ROTATE THE REEL BY GRASPING
THE BLADES WITH YOUR BARE HAND. THIS
COULD RESULT IN SERIOUS INJURY TO
YOUR FINGERS OR HAND.
Your Reel and Bedknife Sharpener comes equipped
with all safety decals in place. They were designed to
help you safely operate your sharpener. Read and
follow their directions.
5. Be sure to check the clearance of the reel and/or
bedkinfe before beginning the grinding operation.
Too much “in-feed” will cause the stone to grag-
ment or shatter.
1. Keep safety decals clean and legible.
2.
3.
Replace all damaged or missing safety decals.
To order new safety decals go to your dealer
and refer to the parts section for the safety decal
package part number.
6. Insure that the new grinding wheel is “dressed”
and balanced correctly after replacing an old one.
Refer to this section for proper decal placement.
Maintenance
To in stall new safety decals:
1. Keep the canopy shielding in place and in good
condition. Do not operate the grinder with the
shields missing.
1. Clean the area where the decal is to be placed.
Spray this area with soapy water.
2. Periodically check for loose hardware and tighten if
necessary.
2. Peel backing from the decal. Press firmly on sur-
face being careful not to cause air bubbles under
the decal.
3. Keep in mind that this is an abrasive machine; oil
all points of lubrication daily and keep all working
surfaces clean.
3. With a squeegee, work out any air bubbles that
remain under the decal.
4. Thick grease should not be used on the wheel
head guide rails.
Personal Safety Equipment
Locke Turf advises all users of Reel and Bedknife
Sharpeners to use the following personal safety equip-
ment. Always follow the operating instructions; your
safety and the effective use of the product depends
upon your actions.
Kevlar Meat Cutter Gloves
Goggles or Full Face Shield
Hearing Protection
Respirator
6
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IMPORTANT FEDERAL LAWS AND REGULATIONS* CONCERNING
EMPLOYERS, EMPLOYEES AND OPERATIONS.
*(This section is intended to explain in broad terms the concept and effect of the following federal laws and regula-
tions. It is not intended as a legal interpretation of the laws and should not be considered as such.)
U.S. Public Law 91-596 (The Williams-Steiger Occupational and Health Act of 1970) OSHA
This Act Seeks:
“…to assure so far as possible every working man and woman in the nation safe and healthful
working conditions and to preserve our human resources…”
DUTIES
Sec. 5 (a) Each employer-
(1) shall furnish to each of his employees employment and a place of employment which are free
from recognized hazard that are causing or are likely to cause death or serious physical harm
to his employees;
(2) shall comply with occupational safety and health standards promulgated under this Act.
a. Each employee shall comply with occupational safety and health standards and all
rules, regulations and orders issued pursuant to this Act which are applicable to his
own actions and conduct.
OSHA Regulations
Current OSHA regulations state in part: “At the time of initial assignment and at least annually thereafter, the em-
ployer shall instruct every employee in the safe operation and servicing of all equipment with which the employee is
or will be involved.” These will include (but are not limited to) instructions to:
Keep all guards in place when the machine is in operations:
Permit no riders on equipment;
Stop engine, disconnect the power source and wait for all machine movement to stop before servicing,
adjusting, cleaning or unclogging the equipment, except where the machine must be running to be properly
serviced or maintained, in which case the employer shall instruct employees as to all steps and procedures
which are necessary to safely service or maintain the equipment.
Make sure everyone is clear of machinery before starting the engine, engaging power or operating the ma-
chine.
EMPLOYEE TRACTOR OPERATING INSTRUCTIONS:
1. Securely fasten your seat belt if the tractor has a ROPS
5. Watch where you are going especially at
row ends, on roads and around trees.
2. Where possible avoid operating the tractor near
Ditches, embankments and holes.
6. Do not permit others to ride.
7. Operate the tractor smoothly – jerky
turns starts or stops
3. Reduce speed when turning, crossing slopes and
on rough, slick or muddy surfaces
.
8. Hitch only to the drawbar and hitch
points recommended by tractor
manufacturers
4. Stay off slopes too steep for safe operation
.
9. When tractor is stopped, set brake
securely and use park lock if available
Child Labor Under 16 Years Old
Some regulations specify that no one under the age of 16 (sixteen) may operate power machinery. It is your re-
sponsibility to know what these regulations are in you own area or situation. (Refer to U.S. Dept, of Labor, Employ-
ment Standard Administration, Wage & Home Division, Child Labor Bulletin #102.)
7
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SECTION 2—ASSEMBLY INSTRUCTIONS AND SET-UP
Uncrating the Sharpener
Refer to Figures 2-1 and 2-2:
1. First, remove the eight (8) bolts securing he sharp- 5.
ener to the pallet. Fig. 2-1 (#1)
Shift the sharpener back over the anchors and
replace the legs.
2. Using a fork lift, narrow the forks so they slide un-
der the drain pan from the rear. Be careful to
avoid hoses and electrical components. Make
sure that the forks do not slide all the way up to
the back of the Control Panel, Fig. 2-2 (#2), but
have deep enough to lift the sharpener such that it
is not unbalanced or top heavy.
6.
7.
Holding the legs to the side wall of the sharp-
ener, fasten bolts until finger tight. Fig. 2-1 (#4)
Place an engineer’s level on the two (2) round
bars directly over each end of the cast bed.
Level the sharpener front to back and left to
right. Use flat shim stock under the four bolts
around the base of the sharpener for proper
leveling, if needed.
Locating The Grinder
NOTE
8.
9.
Tighten the anchor bolts securely to the floor.
Fig. 2-1 (#1)
The following instructions apply mainly to a
Combination Sharpener only. However, it is
the manufacturer’s recommendation that, if
space is available, this locating procedure be
followed:
IMPORTANT
Do not tighten the stabilizer legs to sharp-
ener before securing them to the floor.
Place the sharpener in a location with adequate light-
ing. It is considered that 13,400 Lumens at the working
surface is adequate. This amount of lighting can be
obtained by two (2) 8-foot fluorescent lights at a mini-
mum height of 8 feet.
Tighten the stabilizer legs (#5) to sharpener
through slots at (#4).
Leave a minimum of four (4) feet between the controls
and the wall in back of the operator, if such is the case.
The sharpener should face an open area of the shop
as the reel units will be installed from the “shop side” of
the sharpener.
Securing the Sharpener
IMPORTANT
Read steps 1 through 9 before starting. Im-
proper leveling may cause distortion of the
sharpener bed.
1. Remove any brackets that have been installed for
shipping.
2. Attach a stabilizer leg to each end, but do not
tighten. Fig. 2-1 (#4).
3. Mark the floor through the four (4) holes at the
base of the sharpener and the two (2) at each sta-
bilizer leg. Fig. 2-1 (#1).
4. Remove the legs, shift sharpener out of the way,
drill holes in the floor and insert anchors.
8
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Figure 2-1
4
5
3
1
Figure 2-2
2
9
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Wiring The 5100 Sharpener
DANGER
THIS SHOULD BE DONE BY AN EXPERI-
ENCED, LICENSED ELECTRICIAN.
Wire the sharpener to a 20 amp, 220 volt
breaker equipped with a disconnect. The elec-
trical junction box is located in the upper center
area inside the front panel.
IMPORTANT
Disconnect all power during routine mainte-
nance and when the sharpener will be out of
service for extended periods of time.
GROUND
LINE 110 VOLTS
LINE 110 VOLTS
A
L1
T1
L2
T2
L3
T3
N
6
7
8
E
E
E
9
10
Electrical Wiring Source To Front
Panel Models –220 Volts
1. Unfasten the front panel on the control box and swing the door open.
2. Locate the disconnect. It is the black plastic switch located on the top center of
the box.
3. Remove the screw A and slip off the cover.
4. Connect a 110V lead to the L1 position and a 110V lead to eh L3 position.
5. Connect the ground wire to the same position as the machine ground (the green/
yellow wire).
6. Replace the protective cover.
7. Close and secure the front panel.
10
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LIVE 240 VOLTS
NEUTRAL 0 VOLTS
NEUTRAL 0 VOLTS
A
L1
T1
L2
T2
L3
T3
N
E
6
7
8
E
E
F
9
10
LOAD
Electrical Wiring Source To Front Panel Models—240 volts (Foreign)
1. Unfasten the front panel on control box and swing the door open.
2. Locate the disconnect. It is the black plastic switch located on the top center of the box.
3. Remove screw A and slip off the cover.
4. Connect a 0V lead to the neutral position and the 240V lead to the live position.
5. Connect the ground wire to the same position as the machine ground (the green/yellow wire).
6. Replace the protective cover.
7. Close and secure the front panel.
Coolant
CAUTION
1. Check the coolant reservoir and remove any foreign
FAILURE TO USE AN ANTI-RUST ADDITIVE
objects.
MAY DECREASE THE SERVICE LIFE OF
SOME PARTS! NEVER USE WATER ONLY,
AND DO NOT USE WATER SOLUBLE OIL.
2. Be sure the drain hose is routed through the hole in
the lid of the coolant tank.
3. Fill the tank with clean water, adding the proper
amount of anti-rust additive. Recommended mixture
ratios are between 50:1 and 25:1.
11
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Prove beneficial in those times when a “quick” refresh-
ing of the reel is needed, I.e. after top dressing.
Overview—The RS 5100 is the latest development
in the family of reel and bedknife sharpeners manufac-
tured by Locke Turf.
The relief grinding operation is accomplished in most
cases without the need to remove the front or rear
roller of a mowing unit.
Incorporating the dual wheel head, which is an exclu-
sive and unique feature of the Locke Turf sharpeners,
we now offer a 6” diameter grinding stone for sharpen-
ing and grinding reels.
The RS 5100 utilizes the same quick attach brackets
for securing reel units in the grinder for servicing.
These brackets offer several benefits some of which
are holding the reel unit in the sharpener via the bear-
ing housings (which is the most accurate means to
hold a reel for service), keeps grinding grit out of the
reel bearings while grinding and will enable most reel
units to be held in the grinder without removing the
rollers. Another benefit is the fact that one can rotate
the frame of the mowing unit to a position that will
allow greatest access to the reel without interference
of any part of the frame or its components.
The RS 5100 is a complete grinding system. Equipped
with a powerful one (1) HP motor with a cupped stone
on one end for sharpening bedknives and the new 6”
stone on the other end for grinding reels.
The benefits of he 6” stone is the ability to relief grind
small diameter, multi blade reels with much more ease.
The smaller head permits spin grinding only without the
need of removing the bedknife assembly. This will
Once the column has cleared the “V” stop, you can
now rotate the wheel head into position for grinding.
The guard for the wheel head not being used must be
replaced and securely in position. The wheel head
without operate with both shields off.
Changing Wheel heads
The 5100 series is equipped with the unique “dual
wheel head.” On the left end of the motor is the stone
for grinding reels. The right end of the motor is the
cupped stone for grinding bedknives.
Tighten the pedestal knob on the side of the column.
Disconnect and change water supply to the appropri-
ate position.
To change form one to the other, loosen the pedestal
knob on the side of the column. (Fig. 3-24, Page 21)
Raise the column up approximately 1” by turning hand
wheel on top of the column.
Follow procedures in Section 3 for spin, relief and
bedknife grinding.
12
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Spin Grinding
NOTE
When discussing spin grinding, any reference
to the carriage or its associated parts means
the reel carriage, located to the right as viewed
for the operator’s side.
1. Open front canopy and adjust wheel head away
form work table bars by turning infeed screw hand
wheel counter clockwise, bringing wheel head
towards operator. Figure 3-1
Right Limit Stop
Figure 3-3
3. Close the front canopy and open the rear canopy.
4. Securely attach the mounting brackets to the reel
unit.
5. Place the reel unit into the grinder making sure
the mounting brackets are fitted properly and
sitting firmly on the work table bars. Leave the
mounting bracket bases loose in the work table
bars. Figure 3-4
Infeed Screw Hand Wheel
Figure 3-1
Refer to Figure 3-2 and 3-3:
2. Slide limit stops to each end of the stop rail.
Left Limit Stop
Figure 3-2
13
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6. Manually move grinding carriage left and right
making sure there is ample clearance between the
stone and the end of the reel blades. (It may be
necessary to reposition the reel unit slightly.)
When satisfied that the grinding wheel clears the
reel unit at both ends, tighten the brackets. Figure
3-5.
Micro Switch Turned to the Left
Figure 3-6
There are two ways to make reel adjustments:
A. The grinder’s movable base is used if the bed-
knife is adjusted to the reel.
B. The reel unit’s own adjusters may be used if
the reel to bedknife adjustment is made by
moving the reel to the knife.
Refer to Figure 3-6 and 3-7:
Manually turn traverse micro switch arm (the white ny-
lon rod) to the left. Move reel grinding carriage to the
left of the reel unit making sure the grinding wheel
clears the end of the reel blades. Keeping the carriage
in this position slide the limit stop to the right until the
actuating screw throws the traverse micro switch arm
to the right. Tighten the handle on the center limit stop.
Set the right limit stop in the opposite manner.
Micro Switch Turned to the Right
Figure 3-7
14
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Now attach the drive coupler from the spin motor to the
reel. In most cases, town wobble extensions work well.
Figure 3-8
NOTE
The spin motor shaft must be removed and in-
stalled on the opposite side of the drive unit for
left drive reels. Do not turn drive assembly
around on work table bars. (Fig 3-9A)
Once these steps have been completed, all mounting
brackets on the reel unit and bases should be se-
curely tightened. When grinding reels of the same
make and model, subsequent units will be easier to
place after the initial setup.
7. Close the rear canopy.
8. Open the front canopy.
9. A depth gauge is supplied to check that the reel’s
center shaft is parallel with the wheel head travel.
Loosen the screw in the alignment stem collar
and slide the alignment stem for ward until it
makes contact with the reel’s center shaft.
Tighten the screw in the collar and remove depth
gauge. Move carriage to opposite end of the reel
and repeat instructions; taking notice of any dif-
ferences, make adjustments accordingly. Figure
3-10
Wobble Extensions
Figure 3-8
Be sure the extension is as straight as possible. Ad-
justing the spin motor on its bracket may be necessary.
Good alignment eliminates drive line chatter. Figure 3-
9
10. After checking the alignment, remove the depth
gauge and close the front canopy.
Spin Motor Brackets
Figure 3-9
11. Start the spin motor.
12. Adjust the dial on the RPM control to the proper
speed setting for the diameter of the reel being
ground. Refer to the chart located on the front
panel for the proper setting. Figure 3-11
Shaft Being Reversed
Figure 3-9 A
15
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16. Start the coolant pump, using only a “trickle” of
coolant for spin grinding.
17. Begin the spin grinding operation. Grind the reel
until the leading edge has a square and sharp
edge. For best results, infeed the wheel at
0.001” (one tooth per stroke). See the following
instructions to set the auto infeed indexing ratchet
wheel.
Indexing The Ratchet Wheel
RPM Setting
Figure 3-11
The ratchet wheel, located just behind the hand
wheel, is used to automatically index the amount of
“in-feed” of the wheel head. Figure 3-12
13. Start the wheel head.
CAUTION
PROLONGED CONTACT BETWEEN THE STONE
AND REEL MAY CAUSE THE STONE TO CHIP OR
BREAK APART, CAUSING SERIOUS INJURY TO
THE OPERATOR. DAMAGE TO THE REEL MAY
ALSO RESULT.
14. With the carriage in the center of the reel, care-
fully adjust wheel head “in” toward reel until slight
contact is made. Manually move grinding car-
riage left and right. If excessive vibrations or loud
grinding sounds occur, quickly adjust wheel head
“out,” away from the reel or press the “master kill”
button. Check mounting brackets, reel bearings,
etc., to make sure all are secure.
NOTE
Sometimes reels wear in either a concave or convex
fashion. If the grinding wheel makes contact with the
reel only in the center it indicates convex wear. Set
limit stops so wheel head travels just beyond points
of contact. Read through the following steps, then
grind reel until contact is make throughout wheel
head’s range of travel. Repeat step 15. If no contact
is made beyond points just ground, move limit stops
out slightly and regrind. Continue this procedure until
contact is make throughout entire length of reel. If
wear is concave, reel will have to be ground at each
end. Set limit stops as indicated by step 6 and grind
until contact is make throughout entire length of reel.
Ratchet Wheel
Figure 3-12
The amount of “in-feed” per traverse cycle is set by
adjusting the screw on the center limit stop. One, two
or three teeth can be indexed, infeeding the grinding
wheel 0.001, 0.002 or 0.003 inch per traverse cycle
respectively.
IMPORTANT
For reels, only 0.001 inch per traverse cycle
is recommended by the manufacturer.
15. If the results of step 14 are satisfactory, engage
and start traverse.
NOTE
Engaging Traverse
5100 Series—Traverse engage lever is located on
the left side of the carriage plate. Move it to the cen-
ter position.
The distance of travel will vary slightly with
the speed of travel. The carriage will
“overrun” the return stop if the speed is in-
creased without readjusting the screw.
16
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The total amount of “in-feed” can be pre-selected from
2 to 35 teeth (0.002 to 0.035 inch), by setting the
knock-off arm located directly behind the ratchet wheel.
In-feeding stops automatically when the knock-off arm
has rotated around and makes contact with the ratchet
“pawl.” Figure 3-13
Left
Ratchet Pawl
Figure 3-13
NOTE
Look down on the reel from immediately above the
grinding wheel to be certain that the grinding wheel
makes contact with the reel blade on one corner only.
The peak of the finger guide must be directly below
this point of contact. If you have another reel in which
the blades “spiral” in the opposite direction, the grind-
ing wheel will only make contact on the opposite cor-
ner. For this reason the finger guide plate must be
reversed.
Manual Relief Grinding
1. Remove the drive coupler form the spin motor.
2. Slide the limit stops to each end of the stop rail so
that they do not interfere wit the ratchet mecha-
nism. Otherwise, undesired infeeding might occur
unnoticed.
The helix, or “spiral” of reel blades differs according to
the manufacturer. A close look at the finger guide
reveals that the peak is positioned to one side of the
grinding wheel. When the leading edge of the reel
blade contacts the “right” side of the grinding wheel
for relief grinding. If the leaking edge of the reel blade
contacts the “left” side of the grinding wheel for relief
grinding. The finger guide plate is reversible to allow
for his adjustment. Also, the hole in the finger guide
plate is elongated to allow for readjustment as the
stone wears.
3. Disengage the traverse.
4. Adjust the wheel head out away from the reel 1” to
1-1/2”.
5. Move the finger guide into position. Maintain a
clearance no greater than 1/8” between the guide
plate and grinding stone—the closer the better.
Figure 3-14
CAUTION
IF THE BLADE DOES NOT SIT FIRMLY ON
THE FINGER GUIDE, BROKEN OR CHIPPED
PIECES OF STONE OR SHARP BITS OF
METAL MAY CAUSE INJURY TO THE OP-
ERATOR.
Finger Guide
Figure 3-14
6. Make sure the finger guide “peak “ is located under
the proper side of the grinding wheel. The guide may
have to be reversed for a left helix reel. Figure 3-15
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7. Starting at the end of a reel blade, carefully move
the wheel head in toward the blade. Take extreme
care that the blade you are grinding is placed
firmly on the finger guide slope. At this point, do
not let the grinding stone make contact with the
blade. Check for clearance between the “next
blade” and the grinding wheel. Figure 3-15
8. Start the wheel head.
9. Start eh coolant pump at full flow.
10. Adjust the wheel head “in” to achieve the desired
grind.
Thumb Bolt
Figure 3-16
WARNING
INITAILLY, UNTIL THE OPERATOR IS VERY
USED TO THIS OPERATION, WE RECOM-
MEND THAT HE GRINDING CARRIAGE BE
MOVED BY HAND TO INSURE BETTER CON-
TROL.
NOTE
The lower the position of the finger guide, the greater
the relief angle imparted to each blade. Conversely,
the lower the center of the grinding wheel, the greater
the relief angle. If the blade is positioned from the
center of the grinding wheel (or above), no relief will
be ground on the blade.
11. Pull the carriage along gently when starting the
relief grinds. Remember to have the coolant at full
flow.
The guard (A) the finger guide is mounted to may be
rotated to gain more grinding angles. Simply loosen
the Allen screw (B) and move guard to the desired
location and re-tighten. Figure 3-17
CAUTION
WHEN MANUALLY TURNING THE REEL, BE
SURE TO KEEP HANDS CLEAR OF PINCH
POINTS BETWEEN THE REEL AND STONE.
12. Make sure the grinding wheel clears the end of
one blade before indexing to the next. There are
two (2) methods of relief grinding:
A
a. Manually move the carriage to one end
and return on the same blade before in-
dexing to the next blade.
b. As the carriage reaches the end of one
blade, the grinding wheel is moved clear
of the blade, the reel is indexed to the
next blade, and this blade if ground as the
carriage returns.
B
Continue this operation until every blade is completely
ground to the original equipment manufacturer’s speci-
fications. The thickness and hardness of the blades
being sharpened determines how much material can
be ground in one pass. With experience, the operator
will get a feel for different blades.
13. The angle of relief is adjustable using the thumb
bolt. Turn the thumb bolt clockwise for less angle
and counter-clockwise for a greater relief angle.
Figure 3-16
Guard
Figure 3-17
18
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Grinding Relief Angles on Reels
45° MAX.
25° AVG.
10° MIN.
RELIEF AREA
MAX. 1/3 BLADE THK.
MIN. .060
LAND AREA
NOTE
Grinding the Angles
These specification are to be used as a guide
only if the original equipment manufacturer's
specifications are not available. The manufac-
turer's recommendations should be followed
when grinding reels.
Relief grinding should be “tailored” to suit the applica-
tion of the reel mower. The angle of the grind should
be sufficient to last for a full season of use before nor-
mal wear completely removes all the relief. For exam-
ple, a mower being used on Kentucky bluegrass fair-
ways in Ohio will experience much less wear that a
mower being used on a Zoysia grass sod field in Ari-
zona
A 10 degree relief angle is considered minimum; a 25
degree relief angle average and a 45 degree relief
angle the maximum that should be ground on reel
blades.
The land area of reel blades should have a surface no
wider than .060 or less, which is equal to approxi-
mately 1/3 of the blade thickness.
19
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NOTE
Sharpening Bedknives
The tool bar assembly is supplied with spacer blocks
of three different thickness and “L” brackets of two (2)
different lengths. Use these to adjust the height of the
bedknife assembly to provide correct access for
sharpening. Figure 3-2
1. Install tool bar assembly on work table. Mount the
bedbar with “leading edge” or “front face” of bed-
knife up on the tool bar and tighten the “L” bracket
clamping bolts. Figure 3-18
Bedknife Spacer Blocks and “L” Brackets
Figure 3-20
“L” Brackets
Figure 3-18
3. Place the “Angle Finder” on top of the tool bar
and set the desired angle for grinding. Refer to
the reel manufacturer’s recommendations for the
proper angle. Feel free to “scribe” your own
marks for quick reference. Figure 3-21
NOTE
The two (2) location brackets can be relocated along
the toolbar to accommodate bed bars of varying length.
2. Make sure the back of the bedknife is flush with
the key stock. Do not place bedbar screws on key
stock. This will result in improper grinding of the
bedknife. Figure 3-19
Grinding Angle Adjustment
Found with Angle Finder
Figure 3-21
Bedknife Secured with “L” Brackets
Figure 3-19
20
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4. The cupped grinding stone should not extend be-
yond the guard. Adjust the wheel head vertically
on the pedestal mount so the inside edge of the
cupped grinding stone is slightly below the top
edge of the bedknife. This will insure an even
wear pattern on the grinding face of the stone.
Figure 3-22
6. Set the limit stops so the wheel head clears each
end of the bedknife by one (1) inch or more.
7. Manually move grinding carriage left to right to
insure that all points are clear.
8. Start thee pump on full flow. The nozzle should
direct the coolant to the point of cupstone and the
bedknife.
CAUTION
9. Start the wheel head motor.
INJURY COULD OCCUR TO THE OPERA-
TOR IF THE CUPPED STONE CHIPS OR
BREAKS APART. MAKE SURE THE OUT-
SIDE EDGE OF THE CUPPED WHEEL
DOES NOT MAKE CONTACT WITH
OUTHER PARS OF THE BEDBAR OR
MOUNTING BRACKET. Figure 3-23
10. Manually infeed the wheel head until there is
slight contact with the bedknife. Traverse the
wheel head the full length of the bedknife to in-
sure there are no “high spots” and that the bed-
knife is equal distance from the cupstone.
11. Engage and start the traverse. Continue to grind
until the bedknife has a straight, sharp edge.
12. Disengage the traverse and manually back the
wheel head away from the bedknife. Stop the
grinder.
13. Loosen the handles on the sides of the tool bar
and rotate the bedknife ±90 degrees from its pre-
sent position. (This is easiest form the back of
the grinder, but it can be accomplished from ei-
ther side.) Assuer that when the bedknife is ro-
tated the “top face” of the bedknife will be “down
under.” Figure 3-25
5.
Repeat steps 6 through 12 and remove your
sharpened bedknife.
Once the adjustments in step 4 are complete, tighten
the knob, making sure it seats into the groove of the
pedestal. Figure 3-24
21
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NOTE
These specifications are to be used as a guide only if
the original equipment manufacturer’s recommendations
should be followed when grinding bedknives.
The required grind should be fairly easy to determine on
a used bedknife showing a wear pattern, Simply adjust
the mounting bracket until the grinding stone contacts
the knife surface. (Arrow A)
Then, by rotating the bracket, adjust the reference
marks on the angle setting gauge on the right end of the
mounting bracket.
Grinding Relief Angles on Bedknives
REEL
5°
25°
10°
Bedknife Adjustment Handle
Figure 3-26(b)
Bedknife/Reel Relief Angle
Figure 3-26(a)
A shallow relief angle of 10 degrees to 15 degrees
would more than likely last on golf course fairway turf
for and entire season (3 to 6 months) but only a week
or two on a sod farm.
A steep angle, on the other hand, may last two sea-
sons on golf course fairway turf and only half a season
on a sod farm.
22
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Refer to Figure 3-29 and 3-30:
The front face should be ground at an angle which
insures the first contact with grass blades is made by
the cutting edge.
To achieve a 5 degree angle on the bedknife, rotate
the bracket to the 5 degree reference mark. Figure 3-
28, arrow C.
Grinding Angle Adjustment
Figure 3-30
23
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SECTION 4—MAINTENANCE & LUBRICATION
Clean-Up
1. After use, wash the unit with its own water supply
which should have an anti-rust additive. The res-
ervoir holds approximately three gallons of clear
water and recommended amounts of anti-rust ad-
ditive.
2. Keep the wheel head carriage assembly clean.
Figure 4-1
Refer to Figure 4-2 and 4-3:
Using a chain and cable lubricant, occasionally oil the
chain with a light coating. Chain and cable lube in a
spray can is very effective. Use 30 wt oil on guide rails
and work table rails. Use 90 wt oil on grease fittings
and carriages.
NOTE
The long life of this machine is based on the
quality of maintenance and continued use of
anti-rust additive in the coolant.
24
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3. Clean the water reservoir and screens after ap-
proximately 60 to 70 units of work. To remove the
water reservoir:
Dressing the Stone
For true roundness, dressing with an optional diamond
dressing tool works well. To remove glazing, open the
pores and reshape the cupped stone. An optional
granite dressing stick may be used.
A. Disconnect the power supply.
B. Remove the rear cover from the machine.
C. Pull the drain hose out of the lid.
D. Slide the tank out.
Belt Tension
Servicing the Stones
DANGER
The tension of the toothed drive belt may be adjusted
by loosening the hex nut and sliding the tensioner up or
down in the slotted hole. After desired tension is
achieved, retighten the hex nut. Figure 4-4
EXTREME CARE MUST BE TAKEN TO AVOID
CRACKING THE STONE. A CHIPPED OR BRO-
KEN STONE COULD CAUSE SERIOUS INJURY
TO THE OPERATOR.
25
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SECTION 5—TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
SOLUTION
Electric motors won’t start
Master button “off” position
Twist master button clockwise.
It should “pop up”
Spin motor won’t start
Safety switch on hood not
engaged
Close canopy
Pump runs but doesn’t
pump water
Water level low
Valve off
Add water
Open valve
Suction screen clogged
Pull tank out, clean suction
screen on pump shaft
DANGER
ONLY QUALIFIED ELECTRICIANS SHOULD
SERVICE THIS AREA OF THE GRINDER.
All electric motors are shipped with thermal overload
switches in the electric panel, found in the bottom of
the grinder. It may be necessary to open the front
cover and reset the appropriate switch. For further
assistance, contact you Locke Turf Dealer.
26
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Frequently Asked Questions
CAUTION
SAFETY SHIELDS ARE INSTALLED FOR YOUR PROTECTION.
1. Why does the sharpener have safety shields?
Grinding stones frequently chip or even shatter, injuring the operator of an unshielded sharpener. Also,
in spin grinding, an unshielded rotating reel presents a considerable hazard to loose clothing, fingers, hands and
other objects. The rotating reel can also break free if a bearing fails a shaft break free if a bearing fails, a shaft
breaks or a blade weld fails, sending metal fragments flying.
2. Why does the sharpener have the water/coolant mix?
Grinding reels creates an extreme amount of dust. There are documented cases of operators suffering
injury from inhaling grinding dust. Also, the water/coolant mix helps cool the edges being ground. A blade,
when subjected to excessive heat, may lose its temper. The result is a softer metal and a quicker wearing of the
edges while mowing.
3. Why is there a variable speed drive?
In spin grinding reels, the peripheral or tip speed of the reel blades in relation to the speed of the grind-
ing stone is directly related to the quality of the finish grind. Therefore, variable speed on these drive motors
allows proper adjustment. Consult the chart for the diameter reel being ground. Some makes of reel mowers
(e.g., Ransomes, John Deere, Jacobsen Greens King) have both right and left hand drive. Having a drive mo-
tor which facilitates driving from either side is necessary.
4. Why is the sharpener built so heavy?
Grinding reels is a precision operation. The guide rails, reel and bedknife brackets and grinder sup-
ports must be built soundly and solidly to keep the grinder stone moving parallel to the spinning reel or finished
grind on a bedknife. This sharpener’s base weighs over five hundred (500) pounds and the guide rails are set
permanently into the frame, parallel and not adjustable by the operator. The heavy construction helps insure the
components are solidly mounted, unlikely to become misaligned through frame twisting. It is important to level
the sharpener and bolt it permanently to the floor. This helps insure true, accurate grinding.
5. Why are brackets used to attach units into the sharpener?
We use brackets that bolt into the same place as the bedknife shoe if available. Using these attach-
ment points means that the reel us being ground in the same relationship as it is used in the field. Other sharp-
eners, which use rollers and/or axles to hold a reel unit, introduce the potential of inaccurate grinding due to
worn bearings in the roller of axle. Misalignment between rollers and axles with the reel’s axles may occur.
Mounting the reel unit at the points where the bedknife attaches means that the operator need only concern him-
self with adjusting the reel parallel to the movement of the grinding wheel on the guide bars.
6. Why is it necessary to grind a new bedknife? Hasn’t it been ground at the factory?
Bedknives are ground to certain specifications at various stages of their construction. They also un-
dergo stress which will frequently bow or twist them. Furthermore, even new bedknives should always be
mounted to their particular shoe prior to sharpening. If a bedknife style will not allow grinding, some bedbars
must be surfaced before attaching the knives. In some cases a light twisting of the bedknife as it is forced to
conform to the shoe. Sharpening must occur after mounting or the straight edge will be lost due to this twisting.
27
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SAFETY DECALS
To promote safe operation, Locke Turf supplies safety decals on all products manufactured.
Because damage can occur to safety decals either through shipment, use or reconditioning,
Locke Turf will, upon request, provide safety decals for any of our products in the field at no
charge. Contact your authorized Locke Turf dealer for more information.
WARNING
WARNING
BASIC GRINDER SAFETY PRACTICES TO AVOID
SPIN, RELIEF AND BEDKNIFE
SERIOUS INJURY OR DEATH:
GRINDING SAFETY PRACTICES
TO AVOID SERIOUS INJURY OR DEATH:
BEFORE OPERATING GRINDER:
SPIN GRINDING:
READ AND UNDERSTAND OPERATOR'S MANUAL.
ADJUST FOR SLIGHT CONTACT BETWEEN REEL BLADE AND GRINDING STONE.
AVOID SHATTERING OR CHIPPING GRINDING STONE INTO THROWN OBJECTS
BY TOO MUCH REEL CONTACT.
ALLOW NO CHILDREN OR UNTRAINED PERSONS
TO OPERATE GRINDER.
KEEP OTHERS AT A SAFE DISTANCE FORM GRINDER.
KEEP FRONT AND REAR SAFETY CANOPY SHIELDS CLOSED DURING
SPIN GRINDING.
AVOID POSSIBLE THROWN OBJECTS AND BLADE BLADE CONTACT INJURIES.
AVOID REEL INTANGLEMENT OR GRINDER THROWN
OBJECTS OR DEBRIS.
CLEAR ALL LOOSE OBJECTS AND DEBRIS FROM GRINDER.
RELIEF GRINDING:
ALWAYS FULLY SECURE REEL OR BEDKNIFE IN
MOUNTS BEFORE GRINDING.
FIRMLY SIT REEL BLADE OR FINGER GUIDE.
AVOID SHATTERING OR CHIPPING GRINDING STONE INTO THROWN OBJECTS
OR METAL CHIPS BY IMPROPER ADJUSTMENTS.
CHECK FEEL AND BEDKNIFE "IN-FEED" CLEARANCE
BEFORE GRINDING.
AVOID SHATTERING OR FRAGMENTING GRINDING STONE
INTO THROWN OBJECTS FROM TOO MUCH "IN-FEE."
WEAR SAFETY GLASSES AND FULL FACE SHIELD PROTECTION.
THE FRONT SAFETY CANOPY SHIELD IS OPEN DURING RELIEF GRINDING.
WHEN OPERATING GRINDER:
KEEP GRINDER SAFETY CANOPIES AND STONE
SHIELDS IN PLACE AND IN GOOD CONDITION.
DO NOT OPERATE GRINDER WITH DAMAGED OR
MISSING SAFETY CANOPIES AND SHIELDS.
WEAR PROTECTIVE (KEVLAR OR CHAIN MAIL TYPE) GLOVES WHEN MANUALLY
INDEXING REEL.
AVOID SERIOUS HAND CUTS OR FINGE SEVERING INJURIES.
ALWAYS WEAR SAFETY GLASSES AND HEARING
PROTECTION WHEN GRINDING.
KEEP HANDS CLEAR OF REEL AND GRINDING STONE PINCH POINTS WHEN
MANUALLY TURNING REEL.
KEEP HANDS CLEAR OR SPINNING REEL AND
GRINDING STONE.
BEDKNIFE GRINDING:
TRAVEL SLOWLY OVER REEL OR BEDKNIFE "HIGH"
AREAS AND FOLLOW ADJUSTING INSTRUCTIONS.
ADJUST CUPPED GRINDING WHEEL OUTSIDE EDGE TO AVOID MAKING
CONTACT WITH BED BAR OR MOUNTING BRACKET PARTS. AVOID
SHATTERING OR CHIPPING GRINDING STONE INTO THROWN OBJECTS.
WHEN SERVICING GRINDER:
SHUT-OFF AND LOCK-OUT ELECTRICAL POWER
BEFORE SERVICING GRINDER OR OPENING
ELECTRICAL CONTROL BOX.
WEAR SAFETY GLASSES AND FULL FACE SHIELD PROTECTION.
THE FRONT SAFETY CANOPY SHIELD IS OPEN DURING BEDKNIFE GRINDING.
USE CARDBOARD TO CHECKFOR PRESSURIZED COOLANT LEAKS.
DO NOT USE HANDS OR SKIN. HIGH PRESSURE LEAK CAN PENETRATE
SKIN AND MUST BE SURGICALLY REMOVED BY A DOCTOR FAMILIAR WITH
THIS INJURY TYPE WITHIN A FEW HOURS TO AVOID GANGRENE OR DEATH
FOLLOW OPERATOR MANUAL'S GRINDING OPERATION INSTRUCTIONS,
SAFETY PRACTICES AND PRECAUTIONS.
USE EXTREME CARE WHEN INSTALLING NEW GRINDING STONE
TO AVOID CRACKING STONE. DAMAGED STONES COULD CHIP OR
SHATTER CAUSING SERIOUS INJURY TO OPERATOR.
BALANCE AND "DRESS" NEW GRINDING STONES AFTER
REPLACING OLD STONES FOR PROPER GRINDING OPERATION.
WARNING
HAZARDOUS VOLTAGE
CAN CAUSE SERIOUS INJURY
OR DEATH OF HAND OR ANY PART
OF BODY IS PLACED IN THIS
ELECTRICAL ENCLOSURE.
TURN OFF MAIN POWER AND
LOCK OUT THE DISCONNECT
SWITCH BEFORE OPENING THIS
ELECTRICAL ENCLOSURE.
DO NOT REMOVE OR COVER THIS SIGN
28
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TORQUE SPECIFICATIONS
Proper torque for American fasteners used on Locke Turf equipment.
Recommended Torque in Foot Pounds (Newton Meters). *
WRENCH
SIZE (IN.) “A”
BOLT DIAMETER
(IN.) “B” AND
THREAD SIZE
1/4 –20 UNC
SAE
GRADE 2
SAE
GRADE 5
SAE
GRADE 8
AMERICAN
7/16
7/16
6 (7)
8 (11)
10 (13)
12 (16)
14 (18)
Bolt Head Markings
1/4 –28 UNF
5/16 – 18 UNC
5/16 – 24 UNF
3/8 – 16 UNC
3/8 – 24 UNF
7/16 – 14 UNC
7/16 – 20 UNF
1/2 – 13 UNC
1/2 – 20 UNF
9/16 – 12 UNC
9/16 – 18 UNF
5/8 – 11 UNC
5/8 – 18 UNF
3/4 – 10 UNC
3/4 –16 UNF
7/8 – 9 UNC
6 (8)
1/2
11 (15)
17 (23)
25 (33)
1/2
13 (17)
19 (26)
27 (37)
9/16
20 (27)
31 (42)
44 (60)
9/16
23 (31)
35 (47)
49 (66)
5/8
32 (43)
49 (66)
70 (95)
5/8
36 (49)
55 (75)
78 (106)
3/4
49 (66)
76 (103)
106 (144)
120 (163)
153 (207)
172 (233)
212 (287)
240 (325)
376 (509)
420 (569)
606 (821)
668 (905)
909 (1232)
995 (1348)
1019 (1381)
1288 (1745)
1444 (1957)
1817 (2462)
2013 (2728)
2382 (3228)
2712 (1992)
3161 (4283)
SAE Grade 2
(No Dashes)
3/4
55 (75)
85 (115)
7/8
70 (95)
109 (148)
122 (165)
150 (203)
170 (230)
266 (360)
297 (402)
430 (583)
474 (642)
644 (873)
705 (955)
721 (977)
795 (1077)
890 (1206)
1120 (1518)
1241 (1682)
1470 (1992)
1672 (2266)
1950 (2642)
7/8
79 (107)
97 (131)
110 (149)
144 (195)
192 (260)
166 (225)
184 (249)
250 (339)
274 (371)
280 (379)
354 (480)
397 (538)
500 (678)
553 (749)
655 (887)
746 (1011)
870 (1179)
15/16
15/16
1-1/8
1-1/8
1-5/16
1-5/16
1-1/2
1-1/2
1-1/2
1-11/16
1-11/16
1-7/8
1-7/8
2-1/16
2-1/16
2-1/4
SAE Grade 5
(3 Dashes)
7/8 – 14 UNF
1 –8 UNC
1 – 12 UNF
1 – 14 UNF
1-1/8 – 7 UNC
1-1/8 – 12 UNF
1-1/4 – 7 UNC
1-1/4 – 12 UNF
1-3/8 – 6 UNC
1-3/8 – 12 UNF
1-1/2 – 6 UNC
Wrench
Size "A"
SAE Grade 8
(6 Dashes)
2-1/4
1-1/2 – 12 UNF
979 (1327)
2194 (2973)
3557 (4820)
Proper torque for American fasteners used on Locke Turf equipment.
Recommended Torque in Foot Pounds (Newton Meters). *
METRIC
WRENCH
SIZE
BOLT
DIA.
ASTM
4.6
ASTM
8.8
ASTM
9.8
ASTM
10.9
(mm) “A”
8
(mm) “B”
5
1.8 (2.4)
3 (4)
5.1 (6.9)
8.7 (12)
21.1 (29)
42 (57)
6.5 (8.8)
11.1 (15)
27 (37)
10
13
16
18
21
24
30
33
36
41
46
6
8
7.3 (10)
14.5 (20)
25 (34)
40 (54)
62 (84)
122 (165)
Wrench
Size "A"
8.8
10
12
14
16
20
22
24
27
30
53 (72)
74 (100)
118 (160)
167 (226)
325 (440)
443 (600)
563 (763)
821 (1112)
1119 (1516)
73 (99)
93 (126)
116 (157)
181 (245)
148 (201)
230 (312)
449 (608)
611 (828)
778 (1054)
1138 (1542)
1547 (2096)
Numbers appearing on bolt heads
Indicate ASTM class.
*Use 75% of the specified torque value
for plated fasteners. Use 85% of the
specified torque values for lubricated
fasteners.
211 (286)
418 (566)
29
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Locke Turf
307 Highway 52E Opp, Alabama 36467 (334) 493-1300
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