Troybilt 25A 258J063 User Manual TRIMMER MOWER Manuals And Guides L0403318

TROYBILT Line Trimmers/Weedwackers, Gas Manual L0403318 TROYBILT Line Trimmers/Weedwackers, Gas Owner's Manual, TROYBILT Line Trimmers/Weedwackers, Gas installation guides

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TRllI RILT
OPERATOR'S

MANUAL

22" String Trimmer
Mower
Model Number
258

IMPORTANT:

READ SAFETY RULES AND INSTRUCTIONS

CAREFULLY

Warning:

This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forestcovered, brush-covered 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.

TROY-BILT
PRINTED IN U.S.A.

LLC P.O. BOX 361131 CLEVELAND,

OHIO 44136-0019
FORM NO. 769-00009C
(11/02)

TABLEOFCONTENTS
Content

Page

Important Safe Operation Practices ...................................................................

Slope Gauge ......................................................................................................

Assembling Your String Trimmer Mower ............................................................

Know Your String Trimmer Mower .....................................................................

Operating Your String TrimmerMower ...............................................................

Making Adjustments ..........................................................................................

Maintaining Your String TrimmerMower .............................................................

Troubleshooting

.................................................................................................

Parts List ............................................................................................................

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. The information on
the model plate is very important ifyou need help from our Customer Support Department or
an authorized dealer.
You can locate the model number by looking down at the rear of the string trimmer mower. A sample
model plate is explained below. For future reference, please copy the model number and the serial
number of the equipment in the space below.

Copy the model number here:

Copy the serial number here:
WWW,t

roybJl_

_co_n

_LE_.
0_441_
330 =55a-722D

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

CALLINGCUSTOMER
SUPPORT
If you have difficulty assembling this product or have any questions regarding the controls, operation or
maintenance of this unit, please call the Customer Support Department.
Call 1- (330) 558-7220 or 1- (866)-840-6483 to reach a Customer Support representative.
Please have your unit's model number and serial number ready when you call. See previous
section to locate this information. You will be asked to enter the serial number in order to
process your call.

SECTION
1: 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.

to cause cancer

DANGER:

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 instructionson 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 itfor 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.
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

5.
6.

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.
Do not operate the string trimmer mower while
under the influence of alcohol or drugs.
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.

7.
8.

Disengage the trimmer head before starting the
engine.
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.

Trim or mow only in daylight or good artificial light.
Walk never run.

10. Stop the trimmer head when crossing gravel drives,
walks or roads.
11. If the equipment should start to vibrate abnormally,
stop the engine and check immediately for the
cause. Vibration is generally a warning of trouble.
12. Shut the engine off and wait until the trimmer head
comes to a complete stop before replacing trimmer
line, making any adjustment or repairs. The trimmer
head continues to rotate for a few seconds after the
engine is shut off. Never place any part of the body
in the trimmer head area until you are sure the
blade has stopped rotating.
13. Never operate the string trimmer mower without
proper shields, guards, trimmer head control
handle or other safety protective devices in place
and working. Never operate the string trimmer
mower with damaged safety devices. Failure to do
so, can result in personal injury.
14. Muffler and engine become hot and can cause a
burn. Do not touch.
15. Only use parts and accessories made for this string
trimmer mower by the manufacturer. Failure to do
so, can result in personal injury.
16. If situations occur which are not covered in this
manual, use care and good judgment. Contact your
dealer for assistance. Telephone 1-800-800-7310
for the name of your nearest dealer.

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 tdm ormow it.

Do:
1.

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.

DoNot:
1.

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

Do not trim or mow slopes greater than 15 degrees
as shown on the slope gauge on page 6.

Do not trim or mow on wet grass. Unstable footing
could cause slipping.

Children
Tragic accidents can occur if the operator is not alert to the
presence of children. Children are often attracted to the
string trimmer mower and the trimming or mowing activity.
They do not understand the dangers. Never assume that
children will remain where you last saw them.
1. Keep children out of the trimming or mowing area
and under the watchful care of a responsible adult
other than the operator.
2. Be alert and turn string trimmer mower off if a child
enters the area.
3.

Before and while moving backwards, look behind
and down for small children.

Use extreme care when approaching blind corners,
shrubs, trees, or other objects that may obscure
your vision of a child who may run into the string
trimmer mower.

Keep children away from hot or running engines.
They can suffer burns from a hot muffler.
Never allow children under age 14 to operate a
string trimmer mower. Children 14 years of age and
over should read and understand the operation
instructions and safety rules in this manual and
should be trained and supervised by an adult.

Service
Safe HandlingOf Gasoline:
To avoid personal injuryor 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.
1.
2.
3.
4.

6.
7.

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.
To reduce fire hazard, keep the string trimmer
mower free of grass, leaves, or other debris build-

up.Cleanupoilorfuelspillageandremoveanyfuel
soakeddebris.
10.Allowmowertocoolatleast5minutesbefore
storing.
GeneralService:
1.

4.
5.
6.

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 Restricttheuseofthispowermachinetopersonswhoread,
this manual and on the machine.
WARNINGand-fellow
YOUR
RESPONSIBILITY:

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

AVOID

SERIOUS

INJURY

DR DEATH

KEEPSAFETYDEVICES(T
TRIMMER HEADCONTROL,TRAILSHIELD,
IR PLACE
AHDWORKING.iF RAMAGED

,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-O1
1 2) .1 55" Diameter.
S30564

SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE

A POWER POLE

'<1

A CORNER OF A BUILDING

0
>,

OR A FENCE POST
t_
0

"5
0

15 °

,_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 trimmer 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 trimmers 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.

Lower Handle
Connector
Connector

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

'Carriage
Bolt

RemovingUnitFromCarton
•

Remove staples, break glue on top flaps, or cut
tape at carton end and peel along top flap to open
carton.

•

Remove loose parts if included with unit (i.e.,
operator's manual, safety glasses, etc.)
Cut along corners, lay carton down flat, and remove
packing material.
Roll or slide unit out of carton and check carton

•
•

thoroughly for loose parts.

Disconnecting
SparkPlugWire
Before setting up your string trimmer mower,
disconnect the spark plug wire from the spark plug and
round to a stud on the engine. See Figure 1.
Figure 2

Stud

NOTE: If you wish to adjust the height of the upper
handle, refer to the Adjustment Section.

•

Plug Wire

Spark Plug

Figure 1

SettingUpYourStringTrimmerMower
•

•

Loosen each wing nut enough to separate the
plastic connectors between the upper and lower
handle. Gently lift up and pull back on the upper
handle to raise the handle toward the operating
position. See Figure 2.
Separate the connectors and position the bottom
tip of upper handle connector in front of the bottom
tip of lower handle connector. To secure the upper
and lower handle, tighten the wing nuts and
washers (carriage bolts must be seated properly
into the handle and grooves must line up between
connectors).

•

Loosen the wing nut that secures rope guide to
handle. With the spark plug wire disconnected and
grounded, pull the starter rope out of the engine.
Slip the starter rope into the rope guide and tighten
the wing nut. See Figure 3.
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

Control Lock
/Bracket

Rope
Guide

\
:

Wing Nut

Figure

SECTION4: KNOWYOURSTRINGTRIMMERMOWER
Control Lever
Control

Starter Handle

Handle

Trimmer
Deflector Assembly

=indle Assembly
Trimmer Line
String Cutting

Figure 4
Read this operator's manual and safety rules before
operating your string trimmer mower. Compare the
illustrations in Figure 4 with your string trimmer mower
to familiarize yourself with the location of various
controls and adjustments. Save this manual for future
reference.
ControlLever
The control lever must be depressed to engage the
spindle assembly. See Figure 4.
ControlLock Bracket
The control lock bracket is located on the upper right
handle. It is used to keep the spindle assembly
disengaged while the engine is running. See Figure 4.
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 4.
HandleConnectors
The handle connectors are on each side between lower
and upper handle. They are used to lock the upper
handle in a set position. See Figure 4.
String CuttingBladeBracket
The string cutting blade bracket is attached to the
trimmer deflector assembly. It is used to cut the trimmer
line if it is too long. See Figure 4.

Trimmer DeflectorAssembly
The trimmer deflector assembly is connected to the
trimmer base and it is used to prevent yard debris from
being thrown. See Figure 4.
SpindleAssembly
The spindle assembly rotates the trimmer line.
Trimmer Line
The trimmer line is attached to the spindle assembly
and it is used to trim grass or weeds.
Throttle ControlLever (Not Shown)
The throttle control lever is located on the engine. It
controls the engine's speed and stops the engine. See
separate engine manual packed with unit for details.
EngineControls
See the separate engine manual for the location and
function of the controls on the engine.

Stopping
Engine
•
•
•

Release control lever to disengage the spindle
assembly and to lock it in the control lock bracket.
Move throttle control lever to STOP or OFF
position.
Disconnect spark plug wire from spark plug and
ground against the engine.

SECTION5: OPERATING
YOURSTRINGTRIMMERMOWER
_lb

trimmer
result
ARNING:mower
Debris can
thrown
from intheforeign
string
objects being thrown into the eyes, which
can cause severe eye damage. Always
wear safety glasses included with unit or
eye shields when operating the string
trimmer mower.

4L
_1_

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

GasAndOilFill-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
•

WARNING: Never fill fuel tank indoors with
engine running or until the engine has
been allowed to cool for at least two
minutes after running.
•

StartingEngine
•

•

•
•
•
•

Attach spark plug wire to spark plug. Make certain
the metal cap on the end of the spark plug is
fastened securely over the metal tip on the spark
plug. See separate 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.
Move throttle control lever on engine to FAST or
RUN position.
Make sure control lever is disengaged and locked
in bracket.
Stand behind the string trimmer mower and 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: Never run the engine indoors
or in a poorly ventilated area. Engine
exhaust contains carbon monoxide, an
odorless and deadly gas. Keep hands,
feet, hair, and loose clothing away from
the trimmer and engine.

•
•

•

Once the engine is started, release the control lock
bracket on the upper right hand side of the handle
by pushing it to the right and squeeze the control
handle against upper handle to engage spindle
assembly.
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 6.
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 to a new
trimmer line see MAINTAINING YOUR STRING
TRIMMER MOWER.
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
•

The lower handle connector has three marked lines

•

on the top and the upper handle connector has one
marked line. See Figure 5.
To raise the upper handle, move the upper handle
forward to match the single marked line with the
front marked line on the lower handle connector.

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

HandleAdjustment
To adjust position of the upper handle proceed as
follows:
•

Loosen each wing nut, so the carriage bolts are
unseated from the handle and the handle
connectors are slightly separated from each other.

•

To lower the upper handle, move the upper handle
rearward to match the single marked line with the
rear marked line on the lower handle connector.

Securethehandleconnectors
inpositionby
tightening
eachwingnut(carriageboltsmustbe
seatedproperlyintothehandleandgroovesmust
lineupbetweenconnectors).
Alsomakecertainthe
bottomtipoftheupperhandleconnectorinfrontof
thebottomtipoflowerhandleconnector.
See Figure5.

•
•
•

The trimmer line is connected to the spindle disc,
which can be raised or lowered. See Figure 6.
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.
not
to be removed
fromnuts
the are
spindle
shaft
WARNING:
The wings
designed
by hand or using a tool.

_lb

Marked
Lines

•
Wing 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".

Trimmer
Base

Connectors

Nut

Si
Disc

Figure 5

Line

SpindleHeightAdjustment

Sl:
Cap

To adjust height of the spindle assembly proceed as
follows:

}indle
Shaft

Figure 6

SECTION7: MAINTAINING
YOURSTRINGTRIMMERMOWER
CustomerResponsibilities
MAINTENANCE
SCHEDULE

_ °'q"

&o,.
_'

,-.

._.-_

._e_

Lubricate Wheels
b

Clean Trimmer Deflector

.,._'

._'

,_
_

Check Trimmer Line
Check Belt Tension
Check Oil
Change Oil
Lu
2:

Replace Air Filter
Clean Engine Intake Screen

_
_

,q_

Check Spark Plug

Check Spark Arrester (if any)

SERVICE
DATES

cleaner, refer to the separate engine manual
packed with your unit.
The spark plug should be cleaned and the gap
reset once a season. Check engine manual for
correct plug type and gap specifications.

disconnect
spark
plug
WARNING:
Always
stop wire
engine before
and
cleaning, lubricating or doing any kind of
maintenance
on your string trimmer
mower.

Lubrication

ThreadingTrimmerLine

Control Lever: Lubricate the pivot points on the
control lever at least once a season with light oil.
See Figure 7.
Wheels: Lubricate the wheels at least once a season

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.

with light oil. See Figure 7.
Engine: Follow the separate engine manual packed
with you unit for lubrication instructions.

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

Lubricate

•

Remove the worn trimmer line and replace with
new trimmer line packed with your string trimmer
mower. Always use OEM-743-0112 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 8.
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. See Figure 8.

Figure 7

Maintenance
NOTE: When tipping the unit, empty the fuel tank and
keep the spark plug side of engine up. Never tip the
string trimmer mower more than 90 degrees and do not
leave the unit tipped for any length of time. Oil can drain
into the upper part of the engine causing a starting
problem.
Engine
Refer to the separate engine manual for all engine
maintenance instructions.
•

•

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

Figure 8

Loop

DriveBeltRemovalAndReplacement
•
•
•

•
•

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 9.
Slide trimmer deflector off so spindle assembly
goes through hole in deflector.
Loosen the wing nuts and slide the spindle disc to
the highest position and tighten to secure in
position. Refer to Figure 6.

Keeper

Lock Nut

Figure 10
•
•
•
•

_crews
Screws

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.

StoringYourStringTrimmerMower
•
•
•

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.

•
Trimmer
Deflector

_indle
Assembly

Figure 9
•

•
•

•

Remove lock nut that secures idler bracket keeper
and idler pulley to idler bracket assembly and
remove keeper. See Figure 10.
Slip the belt around engine pulley first and then
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.

SECTION8: 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 FAST or START

starting position. (If Equipped)
Blocked fuel line.

position.
Clean fuel line.

5.
6.

Faulty spark plug.
Engine flooded

5.
6.

Clean, adjust gap, or replace.
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.

Connect and tighten spark plug wire.
Clean fuel line; fill tank with clean, fresh
gasoline
Clear vent.
Drain fuel tank. Refill with fresh fuel.

5.
6.

Replace air cleaner.
See authorized service dealer.

1.
2.
3.

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

Carburetor not adjusted properly.

1.
2.
3.
4.

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

Occasional skip (hesitates
at high speed

Spark plug gap too close.

Adjust gap to.O3O".

Idles poorly

Spark plug fouled, faulty or gap too
wide.

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.

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

3.
Poor trimming
performance

1.
2.
.

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

Model258

11
10
27

11
l
12

13
24
23
21

if
30

I1'

33
34
I

-42

Model258
Ref.
No.

Part No.

Ref.
No.

Part Description

Part No.

Part Description

747-0824

Control Lever

27.

710-3015

Hex Cap Screw 1/4-20 x .75

2.
3.

746-1116A
681-0166

Engagement Cable
Control Lock Bracket

28.
29.

712-3005
710-1694

Flange Lock Nut 3/8-16
Screw 5/16-18 x 1.25

710-0578

Machine Screw 1/4-20 x 1.50

30.

710-1307

Screw 5/16-18 x .75

712-0324

Hex Lock Nut 1/4-20

31.

710-0237

710-1205

Eye Bolt 1/4-20

32.

736-0425

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

720-0279

33.

681-0165

Trimmer Base Assembly

726-0240

Wing Nut
Cable Tie

34.

631-0096

Trimmer Deflector Assembly

749-1255

35.

710-0703

Hex Carriage Screw 1/4-20 x .75

10.

749-1254

Upper Handle
Lower Handle

36.

781-1007

11.
12.

710-0450
720-0284

Carriage Screw 5/16-18 x 3.0

736-0452
710-0331

Belt Keeper Bracket Engine
Bell Washer .396 ID x 1.14 OD

13.

736-0451

Wing Nut
Shoulder Washer .320 ID x .93 OD

37.
38.
39.

736-0173

Hex Cap Screw 3/8-24 x 1.50
Flat Washer .28 ID x .74 OD

14.

731-1267

Lower Handle Connector

40.

756-1198

Idler Pulley

15.

731-1268

681-0181A

Idler Bracket Assembly

16.

710-0896

Upper Handle Connector
Hex Washer Screw 1/4-14 x .625

41.
42.

750-1275

Idler Spacer

17.

782-9065

43.

732 -1166

18.

731-2329

Trail Shield Clip
Trail Shield

45.

736-0371

Extension Spring .50 Dia x 1.88 Lg
Flat Washer

19.

710-0216

712 -3004A

Flange Lock Nut 5/16-18

710-0502A
681-0159

Hex Cap Screw 3/8-16 x .750
Hex Washer Screw 3/8-16 x 1.25

46.

20.
21.

47.
48.

781-1028
781-1020

Idler Keeper Bracket

22.

756-1223

754-0625A

Belt Keeper Bracket Front
V-Belt

23.

750-1240

Flywheel Pulley
Spacer .51 ID x 1.00D

49.
50.

OEM-743-0112

Trimmer Line .155 Dia

24.

736-0182

Spacer Washer .501 ID x 1.00D

51.

618-0558

Spindle Assembly

25.

734-2050

52.

726-3055

Cable Retainer Clip

26.

736-0270

Wheel Assembly
Bell Washer .265 ID x .75 OD

Trimmer Axle

MANUFACTURER'S

LIMITED WARRANTY

FOR:

0 TPlIKRILT'__
_
The limited warranty set forth below is given by Troy-Bilt LLC
with respect to new merchandise purchased and used in the
United States, its possessions and territories.
Troy-Bilt LLC warrants this product against defects 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 accessory or attachment not approved by Troy-Bilt
LLC for use with the product(s) covered by this manual will
void your warranty as to any resulting damage.
Normal wear parts or components thereof are subject to
separate terms as follows: All normal wear parts or
component failures will be covered on the product for a period
of 90 days regardless of cause. After 90 days, but within the
two year period, normal wear part failures will be covered
ONLY IF caused by defects in materials or workmanship of
OTHER component parts. Normal wear parts and
components include, but are not limited to: 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 Troy-Bilt LLC at P.O. Box 361131,
Cleveland, Ohio 44136-0019, or call 1-866-840-6483 or 1330-558-7220, or log on to our Web site at www.troybilt.com.
This limited warranty does not provide coverage in the
following cases:
a.

b.
c.

The engine or component parts thereof. These items
carry a separate manufacturer's warranty. Refer to
applicable manufacturer's warranty for terms and
conditions.
Log splitter pumps, valves, and cylinders have a sepa
rate 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

Troy-Bilt LLC does not extend any warranty for
products sold or exported outside of the United States,
its possesions and territories, except those sold
through Troy-Bilt LLC's authorized channels of export
distribution.

Parts that are not genuine Troy-Bilt parts are not
covered by this warranty.
Service completed by someone other than an
authorized service dealer is not covered by this
warranty.
Transportation charges and service calls are not
covered.

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 Troy-Bilt LLC. 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. TroyBilt LLC 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 you r 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 orto 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.

exposu_.

Troy-Bilt LLC, P.O. BOX361131CLEVELAND,OHIO44136-0019; Phone:1-866-840-6483,1-330-558-7220

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Troybilt 25A 258J063 User Manual TRIMMER MOWER Manuals And Guides L0403318

TROYBILT Line Trimmers/Weedwackers, Gas Manual L0403318 TROYBILT Line Trimmers/Weedwackers, Gas Owner's Manual, TROYBILT Line Trimmers/Weedwackers, Gas installation guides

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