Murray Trimmer TM6100X5A User Manual

WEED TRIMMER  
INSTRUCTION BOOK  
Model  
TM6100x5A  
This Instruction Book contains information for several models.  
Read and keep this book for future reference.  
This book contains important information on  
SAFETY, ASSEMBLY, OPERATION, AND MAINTENANCE.  
PRODUCT INFORMATION  
The owner must be certain  
that all the product information  
is included with the unit.  
This information includes the  
INSTRUCTION BOOKS, the  
REPLACEMENT PARTS and the  
WARRANTIES. This information must  
be included to make sure state laws and  
other laws are followed.  
RECORD THE FOLLOWING INFORMATION ABOUT YOUR UNIT. THIS INFORMA−  
TION IS NECESSARY WHEN ORDERING PARTS OR IN CASE OF LOSS OR THEFT.  
F-050204L  
 
MURRAY, INC. Two Year Limited Warranty  
Murray, Inc. warrants to the original purchaser that this unit shall be free from defects  
in material and workmanship under normal use and service for a period of Two (2)  
Years from the date of purchase; however, this warranty does not cover Normal  
Wear Parts (except as noted below) or engines as the engine companies that man-  
ufacture these items furnish their own warranties and provide service through their  
authorized field service facilities. For additional information, see the warranties cov-  
ering these particular parts. If you are uncertain whether your unit contains or is  
equipped with one or more of these parts, consult your dealer prior to purchase. Sub-  
ject to the terms and conditions noted in this Limited Warranty, we shall, at our option,  
repair or replace at no cost to the original purchaser any part covered by this Limited  
Warranty during the applicable warranty period.  
Normal Wear Parts are defined as belts and trimmer line. These parts are warranted  
to be free from defects in material and workmanship as delivered with the product.  
Any claim for repair or replacement of Normal Wear Parts must be made within thirty  
(30) days of the date of purchase. No claims involving damage caused from material  
use, abuse or misuse will be honored.  
This Murray, Inc. Two (2) Year Limited Warranty is your exclusive remedy; howev-  
er, this warranty is void or does not apply to any unit that has been tampered with,  
altered, misused, abused or used for rental or other commercial and/or professional  
(non-homeowner) uses. Your warranty does not cover minor mechanical adjust-  
ments which are not due to any defect in material or workmanship. For assistance  
in making such adjustments, consult your Instruction Book.  
To make a claim under this Murray, Inc. Two (2) Year Limited Warranty, return the  
unit (or if authorized in advance, the defective part) along with your proof of purchase  
to an Authorized Service Center near you. To locate the nearest Authorized Service  
Center, call the Central Parts Distributor for your area shown in the list provided with  
your unit or check the Yellow Page listings in your local telephone directory. If you  
return the entire unit, we will repair the unit. If we authorize the return of the defective  
part only, we will either replace or repair the part.  
ThisMurray, Inc. Two (2) Year Limited Warranty gives you specific legal rights, and  
you may also have other rights which vary from state to state. This Limited Warran-  
ty is given in lieu of all other expressed and implied warranties including the  
implied warranty of merchantability and warranty of fitness for a particular  
purpose. If you need additional information on this written warranty or assistance in  
obtaining service, call or write to the address below. The model number along with  
the CUSTOMER CARE Center 1-800 number is on the Model Number Nameplate  
attached to the unit.  
MURRAY, INC.  
Outdoor Power Equipment  
Customer Service Department  
P.O. Box 268  
Brentwood, Tennessee 37027  
2
F-050204L  
 
SAFETY RULES  
Safe Operation Practices for Trimmer.  
WARNING: Look for this symbol to point out important safety precautions.  
It means: “Attention! Become Alert! Your Safety Is Involved.”  
Only use accessories approved by the  
manufacturer.  
15. Operate only in daylight or good artificial  
light.  
I. General Operation  
1. Read, understand, and follow all instruc-  
tions on the machine and in the manual(s).  
Be thoroughly familiar with the controls and  
the proper use of the trimmer before start-  
ing.  
2. Familiarize yourself with all of the safety  
and operating decals on this equipment  
and on any of its attachments or accesso-  
ries.  
3. Do not put hands or feet near or under rotat-  
ing parts.  
4. Only allow responsible individuals, who are  
familiar with the instructions, to operate the  
trimmer.  
5. Inspect the area where the trimmer is to be  
used. Your equipment can propel small ob-  
jects at high speed causing personal injury  
or property damage. Stay away from  
breakable objects, such as house win-  
dows, auto glass, greenhouses, etc.  
6. Keep the area of operation clear of all per-  
sons, particularly small children, and pets.  
7. Wear appropriate clothing such as a long-  
sleeved shirt or jacket. Also wear long trou-  
sers or slacks. Do not wear shorts.  
8. Do not wear loose clothing which could get  
caught in this equipment.  
9. Always wear safety goggles or safety  
glasses with side shields when operating  
trimmer to protect your eyes from foreign  
objects which can be thrown from the unit.  
10. Always wear work gloves and sturdy foot-  
wear. Leather work shoes or short boots  
work well for most people. These will pro-  
tect the operator’s ankles and shins from  
small sticks, splinters, and other debris,  
and improve traction.  
16. Do not operate the trimmer while under the  
influence of alcohol, drugs or other medica-  
tion which can cause drowsiness or affect  
your ability to operate this machine safely.  
17. Never operate trimmer in wet grass. Al-  
ways be sure of your footing; keep a firm  
hold on the handle and walk; never run.  
18. Before each use, inspect the throttle con-  
trol lever and cable. Make sure that the  
cable is free and that the lever is not dam-  
aged. Also check the cable linkage running  
to the carburetor for kinks, loose fittings,  
and obstructions. Verify that the control  
bail is working properly.  
19. Stop the rotating trimmer head when cross-  
ing gravel drives, walks, or roads. Wait for  
the cutting lines to stop rotating.  
20. Watch for traffic when operating near, or  
when crossing roads.  
21. Stop the engine (motor) whenever you  
leave the equipment, before cleaning re-  
pairing or inspecting the unit, be sure the  
trimmer head and all moving parts have  
stopped. Let the engine cool, disconnect  
the spark plug wire and move it away from  
the spark plug.  
22. If the equipment should start to vibrate ab-  
normally, stop the engine (motor), discon-  
nect the spark plug wire and prevent it from  
touching the spark plug. Check immediate-  
ly for the cause. Vibration is generally a  
warning of trouble.  
23. After striking a foreign object, stop the en-  
gine (motor). Remove the wire from the  
spark plug. Inspect the trimmer for dam-  
age. If damaged, repair before starting and  
operating the trimmer.  
24. Never leave the trimmer unattended when  
the engine is running. Remove the wire  
from the spark plug.  
11. It is advisable to wear protective headgear  
to prevent the possibility of being struck by  
small flying particles, or being struck by low  
hanging branches, twigs, or other objects  
which may be unnoticed by the operator.  
12. Do not operate the trimmer without proper  
guards or other safety protective devices  
in place.  
25. Regularly inspect the trimmer. Make sure  
parts are not bent, damaged or loose.  
13. Use this equipment for its intended pur-  
pose only.  
II. Slope Operation  
14. See manufacturer’s instructions for proper Slopes are a major factor related to slip and fall  
operation and installation of accessories. accidents which can result in severe injury. All  
3
F-050204L  
 
SAFETY RULES  
slopes require extra caution. If you feel uneasy  
c. Never refuel the machine indoors.  
on a slope, do not trim it.  
d. Never store the machine or fuel con-  
tainer inside where there is an open  
flame, such as a water heater.  
Do trim across the face of slopes; never up and  
down. Do not trim excessively steep slopes  
(maximum 15 degrees) or areas where the  
ground is very rough. See the “Guide” in the  
back of this manual to check a slope. Exercise  
extreme caution when changing direction on  
slopes.  
2. Never run an engine indoors or inside a  
closed area.  
3. Never make adjustments or repairs with  
the engine (motor) running. Disconnect the  
spark plug wire, and keep the wire away  
from the plug to prevent accidental starting  
(remove the ignition key if equipped with an  
electric start). Always wear eye protection  
when you make adjustments or repairs.  
4. Check the trimmer head and engine  
mounting bolts at frequent intervals for  
proper tightness.  
Do remove objects such as rocks, tree limbs,  
etc.  
Do watch for holes, ruts, or bumps. Tall grass  
can hide obstacles.  
Do not trim near drop-offs, ditches, or embank-  
ments. The operator could lose footing or bal-  
ance.  
5. Keep all nuts and bolts tight and keep  
equipment in good condition. Check  
mounting hardware on trimmer head every  
time you change trimmer line and prior to  
each use.  
Do not trim excessively steep slopes.  
Do not trim on wet grass. Reduced footing  
could cause slipping.  
6. Never tamper with safety devices. Check  
their proper operation regularly.  
III. Children  
Tragic accidents can occur if the operator is not  
alert to the presence of children. Children are  
often attracted to the trimmer and the trimming  
activity. Never assume that children will remain  
where you last saw them.  
1. Keep children out of the trimming area and  
under the watchful care of a responsible  
adult.  
2. Be alert and turn trimmer off if children en-  
ter the area.  
3. Before and while moving backwards, look  
behind and down for small children.  
4. Never allow children to operate the trim-  
mer.  
7. When servicing or repairing the trimmer, do  
not tip the machine over or up unless spe-  
cifically instructed to do so in this Manual.  
Service and repair procedures can be done  
with the trimmer in an upright position.  
Some procedures will be easier if the ma-  
chine is lifted on a raised platform or work-  
ing surface.  
8. To reduce fire hazard, keep trimmer free of  
grass, leaves, or other debris build-up.  
Clean up oil or fuel spillage. Allow trimmer  
to cool before storing.  
9. Stop and inspect the equipment if you  
strike an object. Repair, if necessary, be-  
fore restarting.  
10. Always disconnect spark plug wire before  
cleaning, repairing, or adjusting.  
5. Use extra care when approaching blind  
corners, shrubs, trees, or other objects that  
may obscure vision.  
11. Do not change the engine governor setting  
or over-speed the engine.  
12. Clean and replace safety and instruction  
decals as necessary.  
13. To guard against engine over-heating, al-  
ways have engine debris filter mounted  
and clean.  
IV. Service  
1. Use extra care in handling gasoline and  
other fuels. They are flammable and va-  
pors are explosive.  
a. Use only an approved container.  
b. Never remove gas cap or add fuel with 14. Inspect trimmer before storage.  
the engine running. Allow engine to  
cool before refueling. Do not smoke.  
15. Use only original equipment or authorized  
replacement parts.  
4
F-050204L  
 
SAFETY RULES  
INTERNATIONAL SYMBOLS  
IMPORTANT: Many of the following symbols are located on your unit or on literature sup-  
plied with the product. Before you operate the unit, learn and understand the purpose for  
each symbol.  
Control And Operating Symbols  
Slow  
Fast  
Fuel  
Oil  
Safety Warning Symbols  
WARNING  
WARNING  
Rotating Parts. Stop Engine.  
Disconnect Spark Wire Before  
Making Adjustments.  
Thrown Objects.  
WARNING  
Keep Bystanders Away.  
WARNING  
Wear Eye Protection  
STOP  
IMPORTANT  
Read Owner’s Manual  
Before Operating  
This Machine.  
WARNING  
Never Operate Up Or  
Down Slopes. Operate  
Across Slopes.  
5
F-050204L  
 
ASSEMBLY  
ASSEMBLY  
CONTENTS OF PARTS BAG  
1 - Owner’s Manual  
1 - Parts Bag  
1 - Fuel Stabilizer  
(Not shown actual size)  
2 Sets - Trimmer Lines  
1 - Safety Glasses 1 - 20 oz. Bottle Oil (0.155 inch diameter)  
1 - T-Handle Wrench  
TO REMOVE THE  
WARNING: Always wear safety  
glasses or eye shields while as-  
sembling the trimmer.  
TRIMMER FROM CARTON  
1. Remove the bottle of oil and parts bag  
from the carton.  
2. Remove the packing material positioned  
around the unit.  
TOOLS REQUIRED  
1 - Knife to cut carton.  
1 - T-Handle Wrench.  
3. Cut down all four corners of the carton and  
lay the side panels flat.  
4. Pull the trimmer out of the carton and off  
the base pad.  
5. Remove packing material from around the  
trimmer head.  
Figure 1 shows the trimmer completely as-  
sembled and positioned in the carton for ship-  
ment.  
References to the right or left hand side of the  
trimmer are from the viewpoint of the opera-  
tor’s position behind the unit.  
6. Remove protective plastic from front of  
frame.  
Figure 1  
6
F-050204L  
 
ASSEMBLY  
HOW TO RAISE THE HANDLE  
1. Hold the handle with one hand and loosen both handle adjustment knobs until the ratchet  
teeth are disengaged. Do not remove the handle adjustment knobs. See Figure 2.  
2. Raise the handle to the  
operating position.  
3. Stand in the operator’s  
Handle  
position behind the trim-  
mer. Put the handle in a  
comfortable  
Make sure both sides of  
the handle are level.  
position.  
Rope  
Guide  
NOTE: Make sure the  
cables are not caught  
between the upper and  
lower handle.  
Recoil Start  
Handle  
Handle  
Pivot  
4. Tighten the handle ad-  
justment knobs. Make  
sure the handle pivots  
are locked in place.  
Handle Adjustment  
Knob  
NOTE:  
The handle  
height is adjustable.  
See “How To Adjust  
The Height Of The Han-  
dle” in the Adjustment  
section.  
Figure 2  
5. To attach the recoil start handle to the rope guide, twist the rope through  
the rope guide mounted on the right side of the handle.  
Fill Crankcase With Oil  
ENGINE PREPARATION  
1. Remove the oil fill cap/dipstick shown in  
Figure 3. Fill the crankcase to the FULL  
line on oil fill cap/dipstick. DO NOT OVER-  
FILL.  
2. Install the oil fill cap/dipstick and tighten  
securely.  
Note: Engine does not contain OIL or  
GASOLINE.  
WARNING: Follow the engine  
manufacturer’s instructions for  
the type of gasoline and oil to  
use. Always use a safety gasoline con-  
tainer. Do not smoke when adding gaso-  
line to the engine. When inside an en-  
closure, do not fill with gasoline. Before  
you add gasoline, stop the engine. Let  
the engine cool for several minutes.  
Fill Fuel Tank With Gasoline  
See the engine manufacturer’s instructions for  
the type of gasoline to use.  
Oil Fill  
Cap/Dipstick  
See the engine manufacturer’s instructions  
for the type of gasoline and oil to use. Before  
you use the unit, read the information on  
safety, operation, maintenance, and storage.  
Fuel  
Cap  
Note: Actual sustained horsepower will  
likely be lower due to operating limita-  
tions and environmental factors.  
Figure 3  
7
F-050204L  
 
OPERATION  
KNOW YOUR TRIMMER  
READ THE OWNER’S MANUAL AND ALL SAFETY RULES BEFORE YOU OPERATE the trim-  
mer. To familiarize yourself with the location of the controls, compare the illustrations with your trim-  
mer. Save this manual for future reference.  
Control Bail  
Trimmer Head Drive Lever  
Upper Handle  
Throttle Control Lever  
Dipstick  
Recoil Starter Handle  
Handle Adjustment Knob  
Fuel Cap  
Trimmer Head  
Trimmer Line  
Shield Edge Guard  
Figure 4  
Trimmer Head Drive Lever - Engages  
the rotation of the trimmer head.  
carburetor manifold for faster starts. See  
Figure 7.  
Control Bail - Release to stop the rotation  
of the trimmer head.  
Recoil Starter Handle - The engine is  
equipped with an easy pull recoil starter.  
Throttle Control Lever - Controls the  
speed or stops the engine.  
Shield Edge Guard - Protects the shield  
by automatically cutting the line to the correct  
length.  
Primer Button - Injects fuel directly into the  
EYE PROTECTION  
HOW TO STOP  
THE TRIMMER HEAD  
1. Release the control bail. It will return to its  
open position and disengage the trimmer  
head.  
WARNING: Debris thrown from  
the trimmer can result in foreign  
objects being thrown into the  
eyes, which can cause severe eye dam-  
age. Always wear safety glasses or eye  
shields when operating the trimmer.  
HOW TO STOP THE ENGINE  
WARNING: The trimmer head will  
continue to rotate for several sec-  
onds after the engine has  
stopped  
Always wear safety glasses. If you wear eye  
glasses, put a Wide Vision Safety Mask over  
your eye glasses.  
1. Move the throttle control lever com-  
pletely back to the STOP position.  
8
F-050204L  
 
OPERATION  
HOW TO USE THE  
TRIMMER HEAD DRIVE LEVER  
Control Bail  
Handle  
1. To engage the trimmer head, hold the con-  
trol bail against the handle. Move the  
trimmer head drive lever forward to en-  
gage the trimmer head. See Figure 5. The  
faster the engine runs, the faster the trim-  
mer head will rotate.  
2. Once the trimmer head is rotating, push  
the trimmer forward to trim.  
Trimmer Head  
Drive Lever  
Figure 5  
HOW TO USE THE  
THROTTLE CONTROL  
1. During normal use, set the throttle con-  
trol lever in the FAST position to run the  
engine at full speed.  
2. Pull the throttle control lever back to de-  
crease engine speed. Push the throttle  
control lever forward to increase engine  
speed.  
Throttle Control  
Lever  
3. To stop the engine, pull the throttle con-  
trol lever completely back to the STOP  
position.  
Figure 6  
HOW TO USE  
THE PRIMER BUTTON  
1. Push the primer button five times. See  
Figure 7 for location. Wait approximately  
two seconds between each push.  
NOTE: Do not use the primer button to re-  
start a warm engine after a short shutdown.  
Primer  
Button  
Figure 7  
9
F-050204L  
 
OPERATION  
NOTE: If engine fails to start after three  
pulls, push the primer button two times and  
again pull the recoil starter handle.  
HOW TO START THE ENGINE  
NOTE: DO NOT BE ALARMED, your engine  
will smoke the first time it is started. It is  
burning off the protective coating that is on  
the internal engine parts.  
WARNING: Never run the en-  
gine indoors or in a poorly venti-  
lated area. Engine exhaust con-  
tains carbon monoxide, an  
odorless and deadly gas. Keep  
hands, feet, hair and loose  
clothing away from the trimmer  
and any moving parts on the en-  
gine. Avoid the muffler and sur-  
rounding areas. Temperatures  
may exceed 150°F.  
WARNING: Never leave the trim-  
mer unattended while the engine  
is running. Wait for the trimmer  
lines to stop rotation.  
1. Before each use, remove debris from the  
debris screen shown in NO TAG. Debris  
can cause the engine to overheat. Wipe  
the debris screen with a cloth or paper  
towel.  
2. Move the throttle control lever forward to  
the START or FAST position.  
3. To start a cold engine, push the primer but-  
ton five times. Wait two seconds between  
each push of the primer button.  
NOTE: Do not use the primer to start a  
warm engine.  
4. Firmly hold the recoil starter handle with  
your right hand. See Figure 8.  
5. Pull back sharply on the recoil starter  
handle. DO NOT allow the starter rope to  
snap back. Let the starter rope slowly re-  
wind as you hold the recoil starter handle.  
Recoil Starter Handle  
Figure 8  
TRIMMER TIPS  
WARNING: Debris such as sticks,  
gravel or rocks, can be thrown  
with sufficient force to cause per-  
sonal injury or property damage.  
take longer to complete the job. If the trim-  
mer lines are worn to less than half their  
original length, change to a new trimmer  
line. “See How To Change The Trimmer  
Line” in the Service And Adjustment sec-  
tion.  
S
Set the throttle control in the FAST posi-  
tion. If the weeds or grass are tall and  
thick, operate the trimmer at a slower  
walking speed.  
S
S
Do not trim on excessively steep slopes. If  
a slope is difficult to stand on, do not trim.  
Do not trim on slopes when the ground is  
slippery or wet. Trim across the face of a  
slope, not up and down.  
S
S
Frequently clean the underside of the trim-  
mer to remove any grass build up. See the  
Maintenance section for details.  
For best results and longer lasting line,  
use the ends of the line to do the cutting.  
This is easily done by moving slowly  
through very thick or heavy weeds.  
Trimmer head contact to concrete, asphalt  
and harder services may create prema-  
ture wear to the height guide (See  
Figure 13).  
S
If the trimmer lines become too short, it will  
F-050204L  
10  
 
MAINTENANCE  
CUSTOMER RESPONSIBILITIES  
SERVICE RECORDS  
Before Every  
Every  
25  
Hours Hours  
Every  
100  
Hours  
Each  
Use  
5
Fill in dates as you  
complete regular service.  
As  
Noted  
SERVICE  
DATES  
Check Engine Oil Level  
Check trimmer Lines  
1
2
Check Trimmer Head  
Engagement  
Engine/Machine Cleaning  
Check Nuts and Bolts  
Check Spark Plug  
Change Engine Oil  
Service Air Filter  
3
Lubricate Jackshaft Assembly  
Lubricate Wheel Bearings  
Note 1 - When old line is half the original length, replace with new line.  
Note 2 - Clean daily if used in extremely dusty or dirty conditions.  
Note 3 - Change more often if used in extremely dusty or dirty conditions.  
PRODUCT SPECIFICATIONS  
GENERAL RECOMMENDATIONS  
The warranty on this trimmer does not cover  
items that have been subjected to operator  
abuse or negligence. To receive full value from  
the warranty, the operator must maintain the  
trimmer as instructed in this manual.  
Trimmer Line Diameter 0.155 inch  
Trimmer Line Length  
Horse Power  
21.5 inches  
6
Some adjustments must be made periodically  
to properly maintain your trimmer.  
All adjustments in the Service and Adjust-  
ments section of this manual must be checked  
at least once each season.  
11  
 
F-050204L  
MAINTENANCE  
LUBRICATION  
Grease Fitting  
How To Lubricate  
The Jackshaft Assembly  
A grease fitting is provided to lubricate the  
jackshaft assembly. Use a grease gun with au-  
tomotive type grease to lubricate the jackshaft  
assembly as shown in Figure 9.  
Figure 9  
How To Change Engine Oil  
Change the engine oil when the engine is  
warm. For the proper oil capacity, see the en-  
gine manufacturer’s instructions.  
7. Connect the spark plug wire to the spark  
plug.  
1. Disconnect spark plug wire from the spark  
plug.  
Oil Drain Plug  
2. Remove the oil drain plug as shown in  
Figure 10.  
3. Drain all the engine oil into a flat pan.  
4. Install the oil drain plug. Make sure the  
oil drain plug is tight.  
5. Remove the dipstick.  
6. Fill the engine crankcase. DO NOT  
OVERFILL. For proper oil capacity, see  
the engine manufacturer’s instructions.  
Figure 10  
12  
 
F-050204L  
SERVICE AND ADJUSTMENT  
SERVICE AND ADJUSTMENT  
WARNING: Before you inspect, clean or service the trimmer, stop the engine.  
Make sure that all moving parts have stopped. Disconnect the wire from the  
spark plug.  
HOW TO  
REPLACE THE TRIMMER LINE  
For the best performance, use a heavy  
gauge (0.155” diameter) trimmer line. Cut  
the length of the trimmer line to 21.5 inches.  
Use the length guide, located on the shield,  
to make sure the trimmer line is the correct  
length. See Figure 11. Do not allow the  
length of the lines to vary more than one  
inch. This is important to make sure the trim-  
mer head is balanced and does not vibrate.  
Trimmer Line  
Shield  
IMPORTANT: To extend the life of the trim-  
mer line, keep the trimmer line moist. If not  
kept moist, the nylon trimmer line will be-  
come dry and brittle. Keep extra trimmer  
line in a can of water. The line will then stay  
flexible and easy to change. A flexible line  
will also last much longer.  
Figure 11  
HOW TO CHANGE TRIMMER LINES  
When the trimmer line becomes worn to half the original length, replace the trimmer line as  
follows:  
Line  
Retainer  
Trimmer  
Line  
Line  
Retainer  
5. Then, check to make  
sure that the ends of the  
line are even.  
1. Stop the engine. Wait for 4. Next, take the ends of the  
all moving parts to stop.  
line, cross over the line  
retainer, and thread the  
ends through the center  
hole.  
2. Remove worn trimmer  
line from line retainer.  
3. First, thread the ends of  
the new trimmer line  
through the outside  
loops.  
13  
F-050204L  
 
SERVICE AND ADJUSTMENT  
HOW TO ADJUST  
THE HEIGHT OF THE HANDLE  
Handle  
Use the knobs, on each side of the handle, to  
adjust the height of the handle.  
Ratchet  
Teeth  
1. Hold the handle with one hand and loosen  
both knobs until the ratchet teeth are dis-  
engaged. Do not remove the knobs. See  
Figure 12.  
2. Move the handle up or down to the de-  
sired position, then align the ratchet  
teeth. Make sure both sides of the handle  
are level.  
3. Tighten the knobs.  
Knob  
Figure 12  
HOW TO SET THE HEIGHT OF CUT  
CAUTION: Before you set the  
height of cut: stop the engine.  
Wait for all moving parts to stop.  
Allow the engine to cool and dis-  
connect the spark plug wire.  
Height Of Cut Positions  
Set Screw  
Trimmer  
Head  
The height of cut can be set from 1-1/2 inches  
to 3 inches. Recommended cutting height for  
the average yard is 2”.  
1. Use the T-wrench , found in the parts bag,  
to loosen the set screw shown in  
Figure 13.  
T-W rench  
2. Set the trimmer head at the desired  
Height Guide  
height.  
3. Tighten the set screw.  
Figure 13  
14  
 
F-050204L  
SERVICE AND ADJUSTMENT  
HOW TO  
Trimmer Housing  
REPLACE THE DRIVE BELT  
To replace the drive belt, the trimmer head  
and shield must be removed as follows.  
WARNING: Before you remove  
the drive belt, disconnect the wire  
from the spark plug.  
1. Remove the two fasteners that hold the  
rear of the shield to the trimmer housing  
(See Figure 14).  
Drive Belt  
2. Remove the four fasteners that hold the  
front of the shield and trimmer head to  
the trimmer housing.  
Shield  
3. Remove the “V” pulley from the idler  
bracket.  
4. Raise the front of the trimmer housing  
and remove the drive belt. On some mod-  
els, it is necessary to loosen the mount-  
ing bolt for thedrive pulley to remove the  
drive belt (see Figure 15). Do not bend the  
belt guides.  
Trimmer Head  
Figure 14  
NOTE: Make sure you replace the drive  
belt only with a replacement belt from  
the factory.  
5. To assemble the drive belt, reverse the  
above steps. Make sure all fasteners are  
tight. Make sure the mounting bolt for the  
drive pulley is tight.  
“V” Pulley  
Belt Guide  
Drive Belt  
6. Check the routing of the drive belt. Make  
sure the drive belt is inside of all belt  
guides shown in Figure 15.  
Belt Guide  
Belt Guide  
IMPORTANT: Test the drive system. Start  
the engine and move the throttle control to  
the FAST position. Engage and disengage  
the trimmer head several times. When dis-  
engaged, make sure the trimmer head com-  
pletely stops when resting on the ground. If  
the trimmer head continues to rotate, take  
the trimmer to an authorized Service Cen-  
ter.  
Mounting Bolt  
Drive Pulley  
Figure 15  
15  
 
F-050204L  
SERVICE AND ADJUSTMENT  
STORAGE  
WARNING: Do not remove gaso-  
during storage. Acidic gas can damage the  
fuel system of an engine while in storage.  
line while inside a building, near  
a fire, or while you smoke. Gaso-  
line fumes can cause an explo-  
sion or a fire.  
To prevent engine damage when the trimmer  
is in storage for 30 days or more, follow the  
steps below:  
When the trimmer is put in storage for thirty  
days or more, follow the steps below to  
make sure the trimmer is in good condition  
the following season.  
S
S
Let the engine run until it is out of gasoline.  
Drain the oil from the warm engine. Fill the  
engine crankcase with new oil.  
S
Remove the spark plug from the cylinder.  
Pour one ounce of oil into the cylinder.  
Slowly pull the recoil starter handle so that  
the oil will protect the cylinder. Install a new  
spark plug in the cylinder.  
Trimmer  
S
S
Completely clean the trimmer.  
Put the trimmer in a building that has good  
ventilation.  
S
S
Clean dirt and debris from the cylinder  
cooling fins and the engine housing.  
NOTE: A yearly checkup or tune-up at an  
authorized service center will make sure  
that the trimmer will provide maximum per-  
formance for the next season.  
If you do not want to remove gasoline, add  
a fuel stabilizer to any gasoline left in the  
tank. Fuel stalibizer will minimize the  
formation of gum deposits and acids. If the  
tank is almost empty, mix the fuel stabilizer  
with fresh gasoline in a separate container  
and add the mixture to the tank. Always  
follow the instructions on the stabilizer  
container. Run the engine at least ten min-  
utes after stabilizer is added to allow the  
mixture to reach the carburetor.  
Engine  
IMPORTANT: It is important to prevent gum  
deposits from forming in fuel system parts  
such as the carburetor, fuel filter, fuel hose,  
and tank during storage. Also, using alco-  
hol-blended fuels (called gasohol, ethanol  
or methanol) can attract moisture which  
leads to separation and formation of acids  
16  
 
F-050204L  
TROUBLE SHOOTING CHART  
TROUBLE  
CAUSE  
CORRECTION  
Engine does not start  
Spark plug wire  
disconnected.  
Connect spark plug wire.  
Engine not primed.  
Prime engine.  
Defective or incorrectly  
gapped spark plug.  
Inspect or replace spark  
plug.  
Fuel tank empty.  
Add fuel.  
Dirty carburetor or fuel line.  
Dirty air filter.  
Clean carburetor or fuel line.  
Replace air filter.  
Carburetor out of adjustment. For carburetor adjustment,  
take the unit to an authorized  
Service Center.  
Engine flooded.  
Wait several minutes before  
starting.  
Throttle control lever in  
incorrect position.  
Move throttle lever to FAST  
or START position.  
Stale gasoline.  
Drain old gasoline and add  
fresh gasoline.  
Defective throttle control  
lever or wire.  
Inspect lever and wire.  
Replace if damaged or  
defective.  
Engine runs poorly.  
Bad spark plug.  
Dirty air filter.  
Replace spark plug.  
Replace air filter.  
Carburetor out of adjustment. Adjust carburetor. Take the  
unit to an authorized Service  
Center.  
Stale gasoline.  
Drain old gasoline. Add fresh  
gasoline.  
Engine cooling system  
clogged.  
Clean engine screen and  
cooling fins.  
17  
F-050204L  
 
TROUBLE SHOOTING CHART  
Engine overheats.  
Engine cooling system  
clogged.  
Clean debris screen and  
engine cooling fins.  
Carburetor out of adjustment. Adjust carburetor. Take the  
unit to an authorized Service  
Center.  
Oil level is low.  
Add oil.  
Engine will not stop  
running.  
Defective throttle control  
lever or wire.  
Inspect and replace  
damaged parts.  
Throttle not adjusted  
properly.  
Move throttle to the full OFF  
position.  
Poor trimming  
performance.  
Trimmer line length is too  
short.  
Correct line length is 21.5  
inches. When less than 1/2  
this length, replace the line.  
Engine not set at FAST  
speed.  
Move engine throttle lever to  
FAST position.  
Trimmer vibrates.  
Set screw for trimmer head  
is loose.  
Tighten set screw with  
T-handle wrench.  
Trimmer line lengths are  
substantially different.  
Adjust trimmer line to  
approximately equal lengths.  
Loose nuts or bolts.  
Broken trimmer head.  
Check all bolts and nuts,  
including engine bolts.  
Replace broken part.  
Trimmer head does not  
retain line  
Trimmer line not properly  
attached.  
Follow instructions on decal  
or in the Service section of  
the owner’s manual.  
Broken line retainer.  
Replace trimmer head  
assembly.  
Trimmer line not correct size. Use a 0.155 inch diameter  
trimmer line.  
18  
F-050204L  
 
19  
F-050204L  
 
MODEL TM6100x5A  
REPAIR PARTS  
1
2
13  
3
4
28  
33  
6
32  
5
2
7
9
8
4
6
10  
10  
16  
17  
11  
9
4
19  
14  
20  
11  
15  
12  
31  
18  
27  
14  
19  
16  
22  
29  
18  
30  
21  
6
23  
24  
25  
26  
20  
17  
20  
 
F-050204L  
MODEL TM6100x5A  
REPAIR PARTS  
Key  
No.  
Part No.  
Description  
Lever, Stop  
Bolt  
1
740198E276  
323035  
2
3
740193  
Cable, Control Latching  
Tie, Cable  
4
071372  
5
740196E701  
15x116  
Handlebar  
6
Nut  
7
1601039  
672510  
Control, Throttle  
Guide, Rope  
Knob, Handlebar  
Washer  
8
9
740202  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
--  
783000  
711936  
Washer, Spring  
Bolt  
711937  
672292  
Spacer  
740158  
Pivot, Handlebar  
Handlebar, Lower  
Wheel & Tire  
Nut, Axle  
740195E701  
740185  
015x84  
0020x3  
Washer, Spring  
Spacer  
740190  
740188  
Assembly, Axle & Bracket  
Screw  
26x274  
711935  
Bolt, Carriage  
Frame  
740150E276  
025x6  
Bolt  
740192  
Shield, Trailing  
Bolt  
001x45  
26x267  
Screw  
- - - - - -  
711890  
Engine  
Glasses, Safety  
Nut  
015x88  
1601040  
26x268  
Support, Handle  
Screw  
042294  
Clamp, Throttle  
Instruction Book & Parts List  
F-050204L  
21  
F-050204L  
 
MODEL TM6100x5A  
REPAIR PARTS  
1
2
3
4
5
7
8
24  
6
15  
25  
17  
18  
26  
9
10  
1
19  
11  
20  
27  
14  
13  
12  
29  
30  
31  
38  
31  
33  
22  
23  
22  
 
F-050204L  
MODEL TM6100x5A  
REPAIR PARTS  
KEY  
NO.  
PART NO.  
015x84  
025x11  
DESCRIPTION  
Nut  
1
2
Screw  
3
740150E276  
26x256  
740231 Z  
009x48  
712403  
740292  
712148  
17x104  
740171  
740173  
711933  
740244  
740179  
740183  
018x31  
001x20  
26x235  
740167  
740205  
26x294  
1001049  
740300  
740163  
712126  
740175E276  
712127  
740165  
740299  
712128  
Deck  
4
Screw  
5
Bracket, Idler Assembly  
Bolt  
6
7
Spring, Extension  
Spacer Assembly, Jackshaft  
Nut  
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
22  
23  
24  
25  
26  
27  
29  
30  
31  
33  
38  
Washer, Flat  
Pulley, Cutting Head  
Spacer, Upper Pulley  
Belt, Trimmer  
“V” Pulley  
Pulley, Engine  
Pulley, Idler  
Lockwasher  
Bolt  
Screw  
Flap, Debris  
Shield, Trimmer  
Screw  
Housing, Jackshaft  
Shaft, Cutting Head  
Wrap, Weed  
Screw  
Assembly, Cutter Head & Wrap  
Screw, Set  
Line, Trimmer 0.155 X 21.25  
Guide, Metal Height  
Wrench, T-Handle (found in parts bag)  
23  
F-050204L  
 
HOW TO ORDER REPAIR PARTS  
Only use a factory repair part. Repair parts, except for the engine or the transmission, are available  
from the store where the unit was purchased, a service shop recommended by the store, or an  
authorized service shop found in the yellow pages of the telephone directory. If you cannot get a  
repair part or service as described above, call or write to the Central Parts Distributor shown below.  
When you order, include the following information: (1) Complete Model Number (see nameplate),  
(2) Date of Manufacture, (3) Complete Part Number, (4) Description, (5) Quantity.  
Repair parts for the engine or the transmission are available from the manufacturer’s authorized  
service center found in the yellow pages of the telephone directory. See the individual engine or  
transmission warranties.  
MURRAY, INC. LAWN MOWER CENTRAL PARTS DISTRIBUTORS  
BILLIOU’S, INC.  
CPT CANADA POWER  
TECHNOLOGY LIMITED  
GULF COAST ENGINE, INC.  
1343 South Main St.  
Porterville, CA 93257  
(559)784−4102ꢀ1−877−245−5468  
FAX 1−800−266−7337  
4202 Russell Dr.  
Corpus Christi, TX 78408  
1−800−825−6999  
FAX (888)888−7036  
New Mexico, Oklahoma, Texas,  
Mexico  
Mississauga  
161 Watline Avenue  
Mississauga, Ontario  
L4Z−1P2  
(905)890−6900ꢀ1−800−861−9559  
Arizona, California, Hawaii,  
Nevada  
Edmonton  
BROWN & WISER, INC.  
OSCAR WILSON ENGINE &  
PARTS, INC. ENGINE, INC.  
101−10411−178 Street  
Edmonton, Alberta  
T5S 1R5  
9991 S.W. Avery Street  
Tualatin, OR 97062  
(503)692−0330ꢀ1−800−882−4782  
FAX (503)691−2041  
826 Lone Star Drive.  
O’Fallon, MO 63366  
1−800−873−6722 or  
1−634−978−1313  
FAX: 1−800−873−6720  
Arkansas, Iowa, Kansas,  
Missouri, Nebraska  
(780)453−5791ꢀ1−800−861−9559  
Ville St−Laurent  
Alaska, Idaho (counties Ada,  
Adams, Benewah, Boise, Bonner,  
Boundry, Canyon, Clearwater,  
Elmore, Gem, Idaho, Kooten,  
Latah, Lewis, NEZ Perce, Owyee,  
Payette, Ravalli, Shoshone, Valley,  
Washington), Montana (counties  
Flathead, Lake, Lincoln, Mineral,  
Missoulo, Ravalli, Sanders),  
Oregon, Washington  
234 Migneron Street  
Ville St−Laurent, Quebec  
H4T 1Y7  
(514)731−3559ꢀ1−800−861−9559  
Canada  
WISCONSIN MAGNETO  
GARDNER, INC.  
1000 W. Donges Bay Road  
Suite 100  
Mequon, WI 53092−5920  
1−800−733−7388  
3641 Interchange Road  
Columbus, OH 43204  
1−800−848−8946  
FAX 1−800−626−4735  
FAX 1−800−733−0127  
Michigan (upper Peninsula),  
Minnesota, North Dakota, South  
Dakota, Wisconsin  
Alabama, Connecticut, Delaware,  
District of Columbia, Florida,  
Georgia, Illinois, Indiana,  
Kentucky, Louisiana, Maine,  
Maryland, Massachusetts,  
Michigan (except upper  
Peninsula), Mississippi, New  
Hampshire, New Jersey, New  
York, North Carolina, Ohio,  
Pennsylvania, Rhode Island,  
South Carolina, Tennessee,  
Vermont, Virgina, West Virginia  
Puerto Rico  
F-050204L  
 

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