MTD 25A 203L729 User Manual HIGH WHEEL TRIMMER MOWER Manuals And Guides L0904558

MTD Line Trimmers/Weedwackers, Gas Manual L0904558 MTD Line Trimmers/Weedwackers, Gas Owner's Manual, MTD Line Trimmers/Weedwackers, Gas installation guides

User Manual: MTD 25A-203L729 25A-203L729 MTD HIGH WHEEL TRIMMER MOWER - Manuals and Guides View the owners manual for your MTD HIGH WHEEL TRIMMER MOWER #25A203L729. Home:Lawn & Garden Parts:MTD Parts:MTD HIGH WHEEL TRIMMER MOWER Manual

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Operator's Manual

18" String Trimmer
Mower
Model Series 200

IMPORTANT:
READSAFETYRULESANDINSTRUCTIONSCAREFULLY
Warning:

This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered, brushcovered or grass-covered land unless 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 maintained in effective working order by the operator, In the State of California the above is required
by law (Section 4442 of the California Public Resources Code), Other states may have similar laws, Federal laws apply on federal lands, A spark
arrester for the muffler is available through your nearest engine authorized service dealer or contact the service department, P,O, Box 361131
Cleveland, Ohio 44136-0019,

MTD LLC, P.O. BOX361131CLEVELAND,OHIO44136-0019
PRINTED IN U.S.A.

FORM NO.

769-00042B
11/04

TABLEOFCONTENTS
Content
Important Safe Operation Practices
Slope Gauge
Assembling Your String Trimmer Mower
Know Your String Trimmer Mower
Operating Your String Trimmer Mower

Page
3
6
7
8
9

Content
Making Adjustments
Maintaining Your String Trimmer Mower
Trouble Shooting
Illustrated Parts List

Page
10
10
13
14

Warranty

FINDINGMODELNUMBER
This Operator's Manual is an important part of your new string trimmer mower. It will help you assemble,
prepare and maintain the unit for best performance. Please read and understand what it says.
Before you start assembling your new equipment, please locate the model plate on the
equipment and copy the information from it in the space provided below. A sample model plate is
also given below. You can locate the model plate by standing at the operating position and
looking on the left rear of the base assembly of the string trimmer mower. This information will be
necessary to use the manufacturer's web site and/or help from the Customer Support
Department or an authorized service dealer.

Copy the model number here:

_)ff

Copy the serial number here:

MTDLLC
P. O. BOX
CLEVELAND,OH

361131
44136

338-228-4683

k www.mLuprouucLs.com_-'-' _

880-888-731

O ,

CUSTOMER
SUPPORT
Please do NOTretum theunit to the retailer from where it waspurchased,withoutfirst contactingCustomerSupport.
If you have difficulty assembling this product or have any questions regarding the controls, operation or
maintenance of this unit, you can seek help from the experts. Choose from the options below:
Visit mtdproducts.com
for many useful suggestions. Click on Customer Support button and
you will get the four options reproduced here. Click on the appropriate button and help is
immediately available.

_nswey

you

a mouse crick aw_y/

_;_re

8nsweF

you

If you prefer to reach a Customer Support Representative, please call 1-800-800-7310.

En ine
M nual

Bye

/ook]ng for cou/d be just
a mouse crick aw_y/

The engine manufacturer is responsible for all engine-related issues with regards to
performance, power-rating, specifications, warranty and service. Please refer to the engine
manufacturer's Owner's/Operator's Manual, packed separately with your unit, for more
information.

SECTION1: IMPORTANT
SAFEOPERATION
PRACTICES
WARNING:

This symbol points out important safety instructions which, if not followed, could

endanger the personal safety and/or property of yourself and others. Read and follow all instructions in
this manual before attempting to operate this machine. Failure to comply with these instructions may
result in personal injury. When you see this symbol - heed its warning.

WARNING:

Engine Exhaust,

some of its constituents,

and certain vehicle

components contain or emit chemicals known to State of California
and birth defects or other reproductive harm.
DANGER:

to cause cancer

This machine was built to be operated according to the rules for safe operation in this

manual. As with any type of power equipment, carelessness or error on the part of the operator can
result in serious injury. This machine is capable of amputating hands and feet and throwing objects.
Failure to observe the following safety instructions could result in serious injury or death.

GeneralOperation
1.

Read this operator's manual carefully in its entirety
before attempting to assemble this machine. Read,
understand, and follow all instructions on the
machine and in the manual(s) before operation. Be
completely familiar with the controls and the proper
use of this machine before operating it. Keep this
manual in a safe place for future and regular
reference and for ordering replacement parts.
This machine is a precision piece of power
equipment, not a plaything. Therefore, exercise
extreme caution at all times. Your unit has been
designed to perform one job: to cut vegetation and
grass. Do not use it for any other purpose.
Never allow children under 14 years old to operate
this machine. Children 14 years old and over
should read and understand the operation
instructions and safety rules in this manual and
should be trained and supervised by an adult. Only
responsible individuals who are familiar with these
rules of safe operation should be allowed to use
this machine.
Thoroughly inspect the area where the equipment
is to be used. Remove all stones, sticks, wire,
bones, toys, and other foreign objects which could
be tripped over or picked up and thrown by the
string trimmer mower in any direction which could
cause serious personal injury to the operator or any
others allowed in the area. Plan your trimming
pattern to avoid discharge of material toward
building, walls, roads, sidewalks, bystanders and
the like. To help avoid trimmer line contact or a
thrown object injury, keep children, bystanders, and
helpers at least 75 feet from the string trimmer
mower while it is in operation. Stop the string
trimmer mower if anyone enters the area.
Always wear safety glasses or safety goggles
during operation or while performing an adjustment
or repair, to protect eyes from foreign objects that
may be thrown from the machine in any direction.

Wear sturdy, rough-soled work shoes and closefitting slacks and shirts. Shirts and pants that cover
the arms and legs and steel-toed shoes are
recommended. Never operate a unit in bare feet,
sandals, slippery or light weight (e.g. canvas)
shoes.

Do not put hands or feet near or under rotating
parts. Keep clear of discharge area at all times as
the rotating trimmer head and lines can cause
injury.
8. Never pull the string trimmer mower back toward
you while you are walking. If you must back the
string trimmer mower away from a wall or
obstruction first look down and behind, and then
follow these steps:
a. Step back from the string trimmer mower to
fully extend your arms.
b. Be sure you are well balanced with sure
footing.
c. Pull the string trimmer mower back slowly, no
more than half way toward you.
d. Repeat these steps as needed.
9. Do not operate the string trimmer mower while
under the influence of alcohol or drugs.
10. The trimmer head control handle is a safety device.
Never attempt to bypass its operation. Doing so
makes the safety device inoperative and may result
in personal injury through contact with the rotating
head or lines. The trimmer head control handle
must operate easily in both directions and
automatically return to the disengaged position
when released.
11. Disengage the trimmer head before starting the
engine.
12. Never operate the string trimmer mower in wet
grass. Always be sure of your footing. A slip and fall
can cause serious personal injury. If you feel you
are losing your footing, release the trimmer head
control handle immediately and the trimmer head
will stop rotating within a few seconds.

13. Trimor mowonlyindaylightor goodartificiallight.
2. Do not trim or mow slopes greater than 15 degrees
Walkneverrun.
as shown on the slope gauge.
14. Stopthetrimmerheadwhencrossinggraveldrives, 3. Do not trim or mow on wet grass. Unstable footing
walksor roads.
could cause slipping.
15. Iftheequipment
shouldstarttovibrateabnormally,
stoptheengine,disconnect
thesparkplugand
Children
groundit,andcheckimmediately
forthecause.
Tragic accidents can occur if the operator is not alert to the
Vibrationisgenerallya warningoftrouble.
presence of children. Children are often attracted to the
16. Shuttheengineoffandwaituntilthetrimmerhead
string trimmer mower and the trimming or mowing activity.
comestoa completestopbeforereplacing
trimmer They do not understand the dangers. Never assume that
line,makinganyadjustment
or repairs.Thetrimmer children will remain where you last saw them.
headcontinues
torotatefora fewsecondsafterthe
1. Keep children out of the trimming or mowing area
engineis shutoff.Neverplaceanypartofthebody
and under the watchful care of a responsible adult
inthetrimmerheadareauntilyouaresurethe
other than the operator.
trimmerheadhasstoppedrotating.
2. Be alert and turn string trimmer mower off if a child
enters the area.
17. Neveroperatethestringtrimmermowerwithout
propershields,guards,trimmerheadcontrol
3. Before and while moving backwards, look behind
and down for small children.
handleorothersafetyprotective
devicesinplace
andworking.Neveroperatethestringtrimmer
4. Use extreme care when approaching blind corners,
mowerwithdamaged
safetydevices.Failuretodo
shrubs, trees, or other objects that may obscure
so,canresultinpersonalinjury.
your vision of a child who may run into the string
trimmer mower.
18. Mufflerandenginebecomehotandcancausea
burn.Donottouch.
5. Keep children away from hot or running engines.
19. Onlyusepartsandaccessories
madeforthisstring
They can suffer burns from a hot muffler.
trimmermowerbythemanufacturer.
Failuretodo
6. Never allow children under age 14 to operate a
so,canresultinpersonalinjury.
string trimmer mower. Children 14 years of age and
20. If situations
occurwhicharenotcoveredinthis
over should read and understand the operation
manual,usecareandgoodjudgment.Contactyour
instructions and safety rules in this manual and
dealerforassistance.
Telephone
1-800-800-7310
should be trained and supervised by an adult.
forthenameofyournearestdealer.

Service
SlopeOperation
Slopes are a major factor related to slip and fall accidents
which can result in severe injury. Operation on slopes
requires extra caution. If you feel uneasy on a slope, do not
trim or mow it. For your safety, use the slope gauge included
as part of this manual to measure slopes before operating
this unit on a sloped or hilly area. If the slope is greater than
15 degrees, do not trim or mow it.

Safe HandlingOf Gasoline:
To avoid personal injury or property damage use extreme
care in handling gasoline. Gasoline is extremely flammable
and the vapors are explosive. Serious personal injury can
occur when gasoline is spilled on yourself or your clothes
which can ignite. Wash your skin and change clothes
immediately.

Do:

1.
2.

2.
3.

Trim or mow across the face of slopes; never up or
down. Exercise extreme caution when changing
direction on slopes.
Watch for holes, ruts, hidden objects, or bumps.
Tall grass can hide obstacles.
Always be sure of your footing. A slip and fall can
cause serious personal injury. If you feel you are
losing your balance, release the trimmer head
control handle immediately, and the trimmer head
will stop rotating within a few seconds.

6.
7.

DoNot:
1.

Do not trim or mow near drop-offs, ditches or
embankments. The operator could lose footing or
balance.

Use only an approved gasoline container.
Extinguish all cigarettes, cigars, pipes, and other
sources of ignition.
Never fuel machine indoors because flammable
vapors will accumulate in the area.
Never remove gas cap or add fuel while the engine
is running. Allow engine to cool at least two minutes
before refueling.
Never over fill fuel tank. Fill tank to no more than 1/2
inch below bottom of filler neck to provide space for
fuel expansion.
Replace gasoline cap and tighten securely.
If gasoline is spilled, wipe it off the engine and
equipment. Move unit to another area. Wait 5
minutes before starting the engine.
Never store the machine or fuel container inside
where there is an open flame, spark, or pilot light as
on a gas water heater, space heater, furnace,
clothes dryer or other gas appliances.

9. Toreducefirehazard,keepthestringtrimmer
mowerfreeofgrass,leaves,orotherdebrisbuildup.Cleanupoilorfuelspillageandremoveanyfuel
soakeddebris.
10. Allowmowertocoolatleast5 minutesbefore
storing.
GeneralService:
1.

4.
5.

Never run an engine indoors or in a poorly
ventilated area. Engine exhaust contains carbon
monoxide, an odorless and deadly gas.
Before cleaning, repairing, or inspecting, make
certain the trimmer head and all moving parts have
stopped. Disconnect the spark plug wire and
ground against the engine to prevent unintended
starting.
Check the trimmer head and engine mounting bolts
at frequent intervals for proper tightness. Also,
visually inspect trimmer head for damage. Replace
with the original equipment manufacture's (OEM)
parts only, listed in this manual. "Use of parts which
do not meet the original equipment specifications
may lead to improper performance and
compromise safety!"
Keep all nuts, bolts, and screws tight to be sure the
equipment is in safe working condition.
Never tamper with safety devices. Check their
proper operation regularly.

After striking a foreign object, stop the engine,
disconnect the spark plug wire and ground against
the engine. Thoroughly inspect the string trimmer
mower for any damage. Repair the damage before
starting and operating.
7. Never attempt to replace the trimmer line or make a
cutting height adjustment while the engine is
running.
8. Never use other lengths, diameters, or materials as
trimmer line. Doing so can result in personal injury.
9. Trimmer head components, guards, and shields
are subject to wear and damage which could
expose moving parts or allow objects to be thrown.
For safety protection, frequently check components
and replace immediately with original equipment
manufacturer's (OEM) parts only, listed in this
manual. "Use of parts which do not meet the
original equipment specifications may lead to
improper performance and compromise safety!"
10. Do not change the engine governor setting or
overspeed the engine.
11. Maintain or replace safety and instruction labels, as
necessary.
12. Observe proper disposal laws and regulations.
Improper disposal of fluids and materials can harm
the environment.

understand
the warnings
and instructions in this
manual
and ofonthis
the power
machine.
ARNINGand -follow
YOUR
RESPONSIBILITY:
Restrict
the use
machine to persons who read,

NOTE: Not all safety labels shown may apply to your string trimmer mower,

Do not adjust
trimmer
head,
install
trimmer
line
or service
unit
while
engine
is running.
Follow
steps
shown
for
proper
installation.
Refer
to your
Operator's
Manual
for
detailed
instructions.
Use
MTD
replacement
trimmer
line
ONLY.
(OEM-743-01
13)
. 1 30"
Diameter.
$30563

SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE

1',9

A POWER POLE
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A CORNER OFA BUILDING

OR A FENCE POST

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WARNING
Do not trim or mow on inclines with a slope in excess of 15 degrees (a rise of approximately 2-1/2 feet every 10 feet). A riding mower
could overturn and cause serious injury. If operating a walk-behind mower or string trimmer mower on such a slope, it is extremely
difficult to maintain your footing and you could slip, resulting in serious injury.
Operate RIDING mowers up and down slopes, never across the face of slopes.
Operate walk-behind mowers or string trimmer mowers across the face of slopes, never up and down slopes.

SECTION3: ASSEMBLING
YOURSTRINGTRIMMERMOWER
IMPORTANT:This unit is shipped without gasoline or oil
in the engine. Be certain to service engine with gasoline
and oil as instructed in the separate engine manual
before operating your mower.

•

NOTE: Reference to right or left hand side of the string
trimmer mower is observed from the operating position.

SettingUpYourStringTrimmerMower
•

Lift up and pull back on the upper handle to raise
the handle into the operating position. To secure
the upper and lower handle, tighten the wing nuts
near the top of lower handle (carriage bolts must be
seated properly into the handle). See Figure 1.

•

Loosen the wing nut that secures rope guide to
handle. With the spark plug wire disconnected and
grounded, hold the control lever against the upper
handle, and pull the starter rope out of the engine.
Release the control handle, slip the starter rope into
the rope guide, and tighten the wing nut.
See Figure 2.
Tighten the cable tie on lower left side of handle,
making sure the round tab on tie seats nicely into
the hole in handle.
Control _
Lever

Rope
Guide

Nut

Wing Nuts

Figure 2

Figure I

SECTION4: KNOWYOURSTRINGTRIMMERMOWER
Control Lever

Starter Handle////

Trimmer
Deflector

)indle Assembly
Trimmer
String Cutting
Blade Bracket

//Line

Figure 3
Spindle Assembly
,_

and
their proper
operation.
how to
WARNING:
Be familiar
withKnow
all controls
stop the machine and disengage them
quickly.

Control Lever
The control lever must be depressed to start the engine
and rotation of trimmer spindle assembly. Releasing
the control lever stops the engine and trimmer spindle
assembly. See Figure 3.

The spindle assembly rotates the trimmer line. See
Figure 3.
Trimmer Line
The trimmer line is attached to the spindle assembly
and it is used to trim grass or weeds. See Figure 3.
EngineControls
See the separate engine manual for the location and
function of the controls on the engine.

Starter Handle
The starter handle is attached to the right upper handle.
Stand behind unit and pull the starter handle to start
engine. See Figure 3.
String CuttingBlade Bracket
The string cutting blade bracket is attached to the
trimmer deflector. It is used to cut the trimmer line if it is
too long. See Figure 3.
Trimmer Deflector
The trimmer deflector is connected to the trimmer base
and it is used to prevent yard debris from being thrown.
See Figure 3.

StoppingEngine
•
•

Release control lever to stop the engine and
spindle assembly.
Disconnect spark plug wire from spark plug and
ground against the engine.

SECTION5: OPERATING
YOURSTRINGTRIMMERMOWER
,_

WARNING:
Read, and
understand,
all instructions
warningsandonfollow
the
machine and in this manual before
operating.
WARNING:
Always
wear the
glasses provided with this machine
operation or while performing any
ments or repairs. Thrown objects
ricochet can cause serious injury
eyes.

safety
during
adjustwhich
to the

GasAndOil Fill-Up
Service the engine with gasoline and oil as instructed in
the separate engine manual packed with your string
trimmer mower. Read instructions carefully.

_,_
_

UsingYourStringTrimmerMower
•

•
•

•
,_

dling
gasoline.
Gasolinecare
is when
extremely
WARNING:
Use extreme
hanflammable and the vapors are explosive.
Never fuel machine indoors or while the
engine is hot or running. Extinguish cigarettes, cigars, pipes, and other sources of
ignition.

StartingEngine
•

•

•
•

Attach spark plug wire to spark plug. Make certain
the metal cap on the end of the spark plug wire is
fastened securely over the metal tip on the spark
plug. See engine operator's manual.
Before each use, remove any debris from the
engine's air intake screen on top of engine. Debris
can cause engine to overheat.
Prime engine as instructed in the separate engine
manual packed with your unit.
Your string trimmer mower is equipped with a
constant speed throttle, which is set at full throttle
for best performance.
Stand behind the string trimmer mower and
squeeze the control lever against the upper handle.
Grasp starter handle and pull rope out slowly until
engine reaches start of compression cycle (rope
will pull slightly harder at this point). Let the rope
rewind slowly. Pull rope with a rapid, continuous,
full arm stroke. Keeping a firm grip on the starter
handle, let the rope return to the starter slowly.
Repeat until engine starts.

WARNING:
Do Doing
not attempt
to bypass
control lever.
so could
result the
in
serious personal injury or death.

•

The string trimmer mower is designed with a permanent off-set on the left side, in which the trimmer
line is off-set from the trimmer base. This allows the
operator to trim along a fence, landscaping, or a
house without having to make any adjustments to
the spindle assembly. Refer to Figure 3.
If the weeds or grass are tall and thick, operate the
string trimmer mower at a slower walking speed.
With the engine off and spark plug disconnected,
clean the underside of the trimmer before and after
each use to remove any grass or weed build up.
If the trimmer lines become too short, approximately half the original length or worn, it will take
longer to complete the job. To change trimmer line
see THREADING TRIMMER LINE.
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.
Avoid spindle assembly contact to concrete,
asphalt, or gravel.

SECTION6: MAKINGADJUSTMENTS
adjustments
without
engine
WARNING: Do
not atfirst
any stopping
time make
any
and disconnecting spark plug wire.

Trimmer
Base

SpindleHeightAdjustment
To adjust height of the spindle assembly proceed as
follows:
•
•
•

The trimmer line is connected to the spindle disc,
which can be raised or lowered. See Figure 4.
The spindle disc in the normal position rest on the
spindle cap approximately 2" off the ground.
Loosen, but do not remove each wing nut on
spindle shaft.

•

sI
Disc

Trimmer
Line

SF
Cap

)indle
Shaft

Figure 4

not
to be removed
fromnuts
the are
spindle
shaft
WARNING:
The wings
designed
by hand or using a tool.

_,
•

Nut

Slide spindle disc along shaft to the desired
position and tighten wing nuts to secure in position.
The spindle disc can be adjusted from 2" to 4".

SECTION7: MAINTAININGYOURSTRINGTRIMMERMOWER
Customer
Responsibilities

Lubricate Wheels
Clean Trimmer Deflector
Check Trimmer Line
nu" Check Belt Tension
Check Oil
Change Oil
w

Replace Air Filter

Clean Engine Intake Screen
LU

Check Spark Plug
Check Spark Arrester (if any)
Lubrication

WARNING: Before performing any maintenance or repairs, stop the engine, wait
until the machine comes to a complete
stop, disconnect the spark plug wire and
ground against the engine to prevent unintended starting.

Control Lever: Lubricate the pivot points on the control
lever at least once a season with light oil.
See Figure 5.
Wheels: Lubricate the wheels at least once a season
with light oil. See Figure 5.
10

When the trimmer line becomes too short or worn,
change to a new trimmer line as follows:

Engine: Follow the separate engine manual packed
with your unit for lubrication instructions.

•

Lubricate

•

Remove the worn trimmer line and replace with
new trimmer line packed with your string trimmer
mower. Always use 0EM-743-0113 when
purchasing additional trimmer line.
Fold new trimmer line in half and thread the ends of
line through the loop from the inside out without
going all the way through the loop. See Figure 6.
Slide the loop end of the trimmer line under the
metal tab and secure in place by crossing and
pulling tight on the ends of the line.

Figure 5

Maintenance
NOTE: When tipping the unit or emptying the
keep the air filter side of engine up. Never tip
trimmer mower more than 90 degrees and do
the unit tipped for any length of time. Oil can
the upper part of the engine causing a starting

Line

fuel tank,
the string
not leave
drain into
problem.

Engine
Refer to the separate engine manual for all engine
maintenance instructions.
•

•

Tab

Check engine oil level before each use as
instructed in the separate engine manual packed
with your unit. Read and follow instructions
carefully.
Replace air cleaner every 25 hours under normal
conditions or once a season. Clean every few hours
under extremely dusty conditions. To service the air
cleaner, refer to the separate engine manual
packed with your unit.
The spark plug should be cleaned and the gap
reset every 50 hours or once a season. Check
engine manual for correct plug type and gap
specifications.

Figure 6

DriveBeltRemoval
AndReplacement
•
•
•

ThreadingTrimmerLine
WARNING: Always stop engine, disconnect spark plug wire, and ground against
the engine before threading trimmer line
on your string trimmer mower. Wait for the
trimmer line to stop rotating.

•

Disconnect the spark plug wire and ground it
against the engine.
Drain the fuel tank or place a piece of plastic
beneath the cap to prevent gasoline leakage.
If unit is tipped for easier access to belt, tip the
string trimmer mower back on its side to keep
engine spark plug side up.
Remove the trimmer line from both sides of the
spindle assembly.

•

•
•

Remove carriage screws, washers, and hex nuts
that secure the trimmer deflector to the base.
See Figure 7.
Slide trimmer deflector off so spindle assembly
goes through hole in deflector.
Loosen the wing nuts and slide the spindle disc to
the lowest position and tighten to secure in position.
Refer to Figure 8.
Carriage Screws

Carriage Screws

Idler Bracket
Keeper

Lock Nut

Figure 8

StoringYourStringTrimmerMower
Trimmer'
Deflector

•
•
•

Spindle
Assembly

•

Figure 7
•

•
•

•
•
•
•
•
•

Remove lock nut that secures idler bracket keeper
and idler pulley to idler bracket assembly and
remove keeper. See Figure 8.
Slip the belt off the engine pulley first and then the
spindle assembly pulley.
Remove the belt from the unit by slipping it around
the spindle disc and then around the engine
flywheel.
Reinstall new belt around the engine flywheel first
and then around the spindle and spindle pulley.
Reconnect idler bracket keeper to the idler bracket
assembly.
Reattach trimmer deflector to trimmer base.
Adjust the spindle height to the desired position.
Reattach spark plug wire to spark plug.
Reinstall trimmer line (refer to page 11).

•

Clean the equipment thoroughly.
Wipe equipment with a oiled rag to prevent rust.
Refer to engine manual for correct engine storage
instructions.
Store unit in a clean, dry area. Do not store next to
corrosive materials such as fertilizer.
For more compact storage, store unit in the
shipping position with the upper handle folded
toward engine. See ASSEMBLY section for details.
WARNING: Never store the machine
fuel container indoors where there is
open flame, spark, or pilot light such as
a water heater, furnace, clothes dryer,
other gas appliance.

or
an
on
or

SECTION8: TROUBLESHOOTING
NOTE: Refer to the separate engine manual for additional information and engine troubleshooting.

Problem
Engine fails to start

Cause

Remedy

1.
2.
3.

Spark plug wire disconnected.
Fuel tank empty or stale fuel.
Throttle control lever not in correct

1.
2.
3.

Connect wire to spark plug.
Fill tank with clean, fresh gasoline.
Move throttle lever to start position.

starting position. (If Equipped)
Blocked fuel line.

Clean fuel line.

Faulty spark plug.

Engine flooded

Clean, adjust gap, or replace as per
engine manual.
Wait a few minutes to restart, but do not
prime.

1.
2.

Spark plug wire loose.
Blocked fuel line or stale fuel.

1.
2.

3.
4.
5.
6.

Vent in gas cap plugged.
Water or dirt in fuel system.
Dirty air cleaner.
Carburetor out of adjustment.

3.
4.
5.
6.

1.
2.
3.

Engine oil level low.
Dirty air cleaner.
Air flow restricted.

1.
2.
3.

Carburetor not adjusted properly.

Fill crankcase with proper oil.
Replace air cleaner.
Remove blower housing and clean as
per engine manual.
See authorized service dealer.

Occasional skip (hesitates)
at high speed

Spark plug gap too close.

Adjust gapto.030".

Idles poorly

Spark plug fouled, faulty or gap too
wide.

2.
3.

Carburetor improperly adjusted.
Dirty air cleaner.

Reset gap to.030" or replace spark
plug.
See authorized service dealer.

Replace air cleaner.

1.
2.

Replace trimmer string.
Adjust trimmer string to equal lengths.

3.
4.

Trimmer string too short.
Trimmer string lengths are
substantially different.
Dirty air cleaner.
Engine not at FULL throttle.

3.
4.

Belt does not have enough tension.

Replace air cleaner.
Set engine to FULL throttle.
(If Equipped)
Check idler for proper belt tension.

Engine runs erratic

Engine overheats

Poor trimming
performance

Connect and tighten spark plug wire.
Clean fuel line; fill tank with clean, fresh
gasoline
Clear vent.
Drain fuel tank. Refill with fresh fuel.
Replace air cleaner.
See authorized service dealer.

NOTE: For repairs beyond the minor adjustments listed above, contact your nearest authorized service dealer,

SECTION9: PARTSLISTFORMODELSERIES200

6
7

25
24

I
I

19
I

33
-34
39

ModelSeries200
Ref.
No.

Part No.

Ref.
No.

Part Description

Part No.

Part Description

747-1287

Control Lever

27.

723-0400

Safety Glasses (Not Shown)

710-1270

Oval C-Screw 1/4-20 x 1.31

28.

748-0278

P/M Spacer

720-0279

Knob 1/4-20

29.

710-0237

4.
5.

710-1205
712-0324

Eye Bolt 1/4-20
Hex Lock Nut

30.
31.

736-0425
681-0165A

Hex Cap Screw 5/16-24 x.625
Bell Washer.325 ID x.930 OD

746-0883
746-0551

32.
33.

710-0703
781-1020

Hex Cap Screw 1/4-20 x.75

Throttle Housing
Throttle Cable

749-1403
749-1254

34.
35.

712-3004A
712-3005

Flange Lock Nut 5/16-18

Upper Handle
Lower Handle

10.
11.

726-0240
710-1174

Cable Tie

36.

756-1223

Flywheel Pulley

Carriage Screw 5/16-18 x 2.0

37.

756-1198

Idler Pulley

12.

720-0284
736-0451

38.
39.

732-1022
681-0181A

Extension Spring.50 ID x 3.375

13.

Wing Nut 5/16-18
Saddle Washer.320 ID x.93 OD

16.

710-0216
710-1652

40.
41.

750-1275
631-0099

Idler Spacer

17.

Hex Cap Screw 3/8-16 x.750
Hex Washer Screw 1/4-20 x.625

18.
19.

782-9065
731-2329

Trail Shield Clip
Trail Shield

42.
43.

OEM-743-0113
736-0173

20.

681-0159

21.

710-0502A

Axle Assembly
Hex Washer Screw 3/8-16 x.250

44.
45.

781-1028
736-0452

Idler Bracket Keeper
Bell Washer.396 ID x 1.140 OD

22.

750-1240

Spacer.51 ID x 1.00 OD x.38

46.

710-1044

23.

736-0182
736-0270
710-3015

47.
48.

754-0625A
618-0558

Hex Cap Screw 3/8-24 x 1.50
V-Belt

24.
25.

Spring Washer.50 ID x 1.00D
Bell Washer.265 ID x.75 OD
Hex Cap Screw 1/4-20 x.75

49.

736-0371

26.

734-1864

Trimmer Base Assembly
Belt Keeper Bracket
Flange L-Nut 3/8-16

Idler Bracket Assembly
Trimmer Deflector Assembly
Trimmer Line.130 Dia
Flat Washer.28 ID x.74 OD

Spindle Assembly
Flat Washer,.343 x.880 x.062

Wheel 14 x 1.8 Bar Gray

IMPORTANT: For a proper working machine, use Factory Approved Parts.
V-Belts are specially designed to engage and disengage safely. A substitute (non OEM) V-belt can be dangerous
by not disengaging completely.

MANUFACTURER'S

LIMITED WARRANTY

The limited warranty set forth below is given by MTD LLC with
respect to new merchandise purchased and used in the
United States, its possessions and territories.
"MTD"warrants this product against defects in material and
workmanship for a period of two (2) years commencing on the
date of original purchase and will, at its option, repair or
replace, free of charge, any part found to be defective in
materials or workmanship. This limited warranty shall only
apply if this product has been operated and maintained in
accordance with the Operator's Manual furnished with the
product, and has not been subject to misuse, abuse,
commercial use, neglect, accident, improper maintenance,
alteration, vandalism, theft, fire, water, or damage because of
other peril or natural disaster. Damage resulting from the
installation or use of any part, accessory or attachment not
approved by MTD for use with the product(s) covered by this
manual will void your warranty as to any resulting damage.
Normal wear parts are warranted to be free from defects in
material and workmanship for a period of thirty (30) days from
the date of purchase. Normal wear parts include, but are not
limited to items such as: batteries, belts, blades, blade
adapters, grass bags, rider deck wheels, seats, snow thrower
skid shoes, shave plates, auger spiral rubber and tires.
HOW TO OBTAIN SERVICE: Warranty service is available,
WITH PROOF OF PURCHASE, through your local authorized
service dealer. To locate the dealer in your area, check your
Yellow Pages, or contact MTD LLC at P.O. Box 361131,
Cleveland, Ohio 44136-0019, or call 1-800-800-7310 or 1330-220-4683 or log on to our Web site at
www.mtdproducts.com.
This limited warranty does not provide coverage in the
following cases:
a.

b.
c.

The engine or component parts thereof. These items
may carry a separate manufacturer's warranty. Refer
to applicable manufacturer's warranty for terms and
conditions.
Log splitter pumps, valves, and cylinders have a
separate one year warranty.
Routine maintenance items such as lubricants, filters,
blade sharpening, tune-ups, brake adjustments, clutch
adjustments, deck adjustments, and normal
deterioration of the exterior finish due to use or

FOR:

MTD does not extend any warranty for products sold or
exported outside of the United States, its possessions
and territories, except those sold through MTD's
authorized channels of export distribution.
Replacement parts that are not genuine MTD parts.
Transportation charges and service calls.

No implied warranty, including any implied warranty of
merchantability of fitness for a particular purpose,
applies after the applicable period of express written
warranty above as to the parts as identified. No other
express warranty, whether written or oral, except as
mentioned above, given by any person or entity,
including a dealer or retailer, with respect to any product,
shall bind MTD. During the period of the warranty, the
exclusive remedy is repair or replacement of the product
as set forth above.
The provisions as set forth in this warranty provide the
sole and exclusive remedy arising from the sale. MTD
shall not be liable for incidental or consequential loss or
damage including, without limitation, expenses incurred
for substitute or replacement lawn care services or for
rental expenses to temporarily replace a warranted
product.
Some states do not allow the exclusion or limitation of
incidental or consequential damages, or limitations on how
long an implied warranty lasts, so the above exclusions or
limitations may not apply to you.
In no event shall recovery of any kind be greater than the
amount of the purchase price of the product sold. Alteration
of safety features of the product shall void this warranty.
You assume the risk and liability for loss, damage, or injury to
you and your property and/or to others and their property
arising out of the misuse or inability to use the product.
This limited warranty shall not extend to anyone other than the
original purchaser or to the person for whom it was purchased
as a gift.
HOW STATE LAW RELATES TO THIS WARRANTY: This
limited warranty gives you specific legal rights, and you may
also have other rights which vary from state to state.

IMPORTANT:Owner must present Original Proof of
Purchase to obtain warranty coverage.

exposure.
Service completed by someone other than an
authorized service dealer.

MTD LLC, P.O.BOX361131CLEVELAND,OHIO44136-0019; Phone:1-800-800-7310,1-330-220-4683

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MTD 25A 203L729 User Manual HIGH WHEEL TRIMMER MOWER Manuals And Guides L0904558

MTD Line Trimmers/Weedwackers, Gas Manual L0904558 MTD Line Trimmers/Weedwackers, Gas Owner's Manual, MTD Line Trimmers/Weedwackers, Gas installation guides

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