Stihl FS36 Manual

STIHL FS 36

Instruction Manual

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Parts and Controls

Safety Precautions and

Working Techniques

This manual contains warnings,

operating and safety precautions for the

STIHL FS 36 and FS 40 trimmers.

Allow only persons who understand this

manual to operate your trimmer.

To receive maximum performance and

satisfaction from your STIHL trimmer, it

is important that you read and under-

stand the maintenance and safety pre-

cautions before using your trimmer.

Contact your STIHL dealer or the STIHL

distributor for your area if you do not

understand any of the instructions in this

manual.

Assembling the Trimmer

Mounting the Cutting Head

Pay special attention to the safety

precautions outlined on pages 4 to 11.

STIHL "Autocut 11-2"

STIHL "Polycut 10-3"

STIHL "Polycut 5-3"

Fuel Mix

Fueling

Starting

Cleaning the Air Filter

Adjusting the Carburetor

Motormanagement

General Notes on Operation

Checking the Spark Plug

Lubricating the Flexible Shaft

Spark Arrester in Muffler

Storing the Machine

Maintenance Chart

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Because a trimmer is a high-speed

cutting tool some special safety pre-

cautions must be observed to reduce

the risk of personal injury. Careless or

improper use may cause serious or

even fatal injury. Make sure your unit is

equipped with the proper deflector,

handle and harness for the type of

cutting attachment being used. Always

wear proper eye protection.

Specifications

Special Accessories

Andreas Stihl Limited Warranty

Federal and California Emission

Control Systems Utility Engines

STIHL’s philosophy is to continually

improve all of its products. As a result,

engineering changes and improve-

ments are made from time to time. If the

operating characteristics or the appear-

ance of your trimmer differ from

those described in this manual, please

contact your STIHL dealer for informa-

tion and assistance.

Printed on chlorine-free paper



2000 Andreas Stihl AG & Co., Waiblingen

458 342 3021 A. M4. C0. PM. Printed in USA

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=Loop handle

= Stop slide

= Throttle trigger interlock

= Starter grip

= Spark plug boot

=Fuel filler cap

=Machine support

= Throttle cable

= Handle hose

10 =Throttle trigger

11 =Carburetor adjusting screws

2 =Fuel pump

3 =Air filter cover / Choke

4 =Muffler

(with spark arrester screen)

5 =Deflector

6 =Line limiting blade

7 =Mowing head

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For easy control of machine during

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For holding machine during starting

and cutting work.

Metal blade at the deflector in order

to keep the line of the cutting head

at the proper length.

cutting work.

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Switches the engine’s ignition

Controls the speed of the engine.

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system off and stops the running

engine.

The cutting head is intended to

supplement a lawn mower

(special accessory).

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For tuning carburetor.

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Must be depressed before the

throttle trigger can be activated.

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Provides additional fuel feed for a

cold start.

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The grip of the pull starter, which is

the device to start the engine.

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Covers the air filter element/Eases

engine starting by enriching mixture.

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Connects the spark plug to the

ignition wire.

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Attenuates exhaust noises and

diverts exhaust gases away from

operater.

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For closing the fuel tank.

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The defector is designed to reduce

For resting machine on the ground.

the risk of injury from foreign objects

flung backwards toward the operater

by the cutting tool and from contact

with the cutting tool.

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Connect operater’s control grip to

the powerhead

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Because a trimmer is a

high-speed, fast-cutting

power tool, special safety

Minors should never be allowed to

use a trimmer. Bystanders, especially

children, and animals should not be

allowed in the area where a trimmer

is in use.

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You must be in good physical condition

and mental health and not under the

influence of any substance (drugs,

alcohol, etc.) which might impair vision,

dexterity or judgment. Do not operate a

trimmer when you are fatigued.

precautions must be observed to reduce

the risk of personal injury.

It is important that you

read, fully understand

Never let the trimmer run unattended.

and observe the following

safety precautions and

Be alert - if you get tired while operating

your trimmer, take a break.

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warnings. Read the owner’s manual

and the safety instructions periodically.

Careless or improper use of any trimmer

may cause serious or fatal injury.

Have your STIHL dealer show you how

to operate your trimmer. Observe all

applicable local safety regulations,

standards and ordinances.

Do not lend or rent your trimmer without

the owner’s manual. Be sure that any-

one using your trimmer understands the

information contained in this manual.

Tiredness may result in loss of control.

Working with any trimmer can be strenu-

ous. If you have any condition that might

be aggravated by strenuous work, check

with your doctor before operating a trim-

mer.

Most of these safety precautions and

warnings apply to the use of all STIHL

trimmers. Different models may have

different parts and controls. See the

appropriate section of your owner’s

manual for a description of the controls

and function of the parts of your model

trimmer.

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The use of any trimmer may be

Prolonged use of a trimmer (or other

machines) exposing the operator to

vibrations may produce whitefinger

disease (Raynaud’s phenomenon) or

carpal tunnel syndrome. These condi-

tions reduce the hand’s ability to feel

and regulate temperature, produce

numb-ness and burning sensations and

may cause nerve and circulation dama-

ge and tissue necrosis.

hazardous. If the rotating cutting tool

comes in contact with your body, it will

cut you. When it comes in contact with

solid foreign objects such as rocks or

bits of metal, it may fling them directly or

by ricochet in the direction of bystanders

or the operator. Striking such objects

could damage the cutting attachment.

Thrown objects or damaged cutting tools

may result in serious or fatal injury to the

operator or bystanders.

Safe use of a trimmer involves

the operator

the trimmer

the use of the trimmer.

All factors which contribute to whitefinger

disease are not known, but cold weather,

smoking and diseases or physical condi-

tions that affect blood vessels and blood

transport, as well as high vibration levels

and long periods of exposure to vibration

are mentioned as factors in the develop-

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ment of whitefinger disease. In order to

reduce the risk of whitefinger disease

and carpal tunnel syndrome, please

note the following:

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Wear proper protective clothing.

Protect your hands with

gloves when handling the

trimmer and the cutting

Trimmer operation can

Most STIHL power tools are available

with an anti-vibration ("AV") system

designed to reduce the transmission

of vibrations created by the engine

to the operator’s hands. An AV

system is recommended for those

persons using power tools on a

regular or sustained basis.

cause serious injury to eyes,

ears and person. The

deflector provided with your

tool. Heavy-duty, nonslip

gloves improve your grip and protect

your hands.

trimmer may not protect the operator

from all foreign objects (gravel, glass,

wire, etc.) thrown by the rotating cutting

attachment. Thrown objects may also

ricochet and strike the operator. There-

fore, to reduce the risk of injury to your

eyes never operate a trimmer unless

wearing goggles or properly fitted safety

glasses with adequate top and side

protection complying with ANSI Z 87.1

(or your applicable national standard).

To reduce the risk of injury to your face

STIHL recommends that you also wear

a face shield or face screen over your

goggles or safety glasses.

Clothing must be sturdy and

snug-fitting, but allow

complete freedom of

movement. Avoid loose-

Wear gloves and keep your hands

warm.

fitting jackets, scarfs, neckties, jewelry,

flared or cuffed pants, unconfined long

hair or anything that could become

caught on branches, brush or moving

parts of the unit. Wear long pants made

of heavy material to protect your legs.

Do not wear shorts, pants, sandals or

go bare foot. Secure hair so it is above

shoulder level.

Keep the AV system well maintained.

A trimmer with loose components

or with damaged or worn AV buffers

will tend to have higher vibration

levels.

Maintain a firm grip at all times, but

do not squeeze the handles with

constant, excessive pressures, take

frequent breaks.

Good footing is most

important in trimmer work.

Wear sturdy boots with

All the above mentioned precautions do

not guarantee that you will not sustain

whitefinger disease or carpal tunnel

syndrome. Therefore continual and

regular users should monitor closely the

condition of their hands and fingers. If

any of the above symptoms appear,

seek medical advice immediately.

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nonslip soles. Steeltoed

Trimmer noise may

damage your hearing.

Wear sound barriers

safety boots are recommended.

(ear plugs or ear mufflers)

to protect your hearing. Continual and

regular users should have their hearing

checked regularly.

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For illustrations and definitions of the

trimmer parts see the chapter on "Parts

and Controls"

Adjust hand grip according to

instructions in the ownder’s manual to

suit your size before starting work.

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Always check your trimmer for proper

condition and operation before starting,

particularly the throttle trigger, throttle

trigger interlock (if applicable), stop

switch, cutting tool, and deflector.

Never modify a trimmer in any way. Only

attachments supplied by STIHL or

expressly approved by STIHL for use

with the specific STIHL trimmer models

are authorized. Although certain un-

authorized attachments are useable for

the STIHL trimmer, their use may, in fact,

be extremely dangerous.

Arrows on the deflector ꢄ$ꢅ show the

correct direction of rotation of the cutting

tool.

The throttle trigger must move freely

and always spring back to the idle

position.The cutting tool must be

properly tightened and in safe operating

condition. Inspect for loose parts (nuts,

screws, etc.).

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Improper use of any

trimmer can cause

serious or fatal

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personal injury.

Read and understand all safety

instructions in your owner’s manual

before use and follow them carefully. To

reduce the risk of injury to operator from

blade contact, metal blades may be

used on FS-trimmers equipped with a

bicycle, "J" handle or loop handle with

barrier bar and not on those FS- and

FE-models with a loop handle.

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Always turn off the engine and make

sure the cutting attachment has stop-

ped before putting a trimmer down.

When transporting your trimmer in

a vehicle, properly secure it to prevent

turnover, fuel spillage and damage to

the trimmer.

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Your STIHL trimmer uses an oil-gasoline

mixture for fuel (see the chapter on

"Fuel" of your owner’s manual).

Never use any metal cutting attachment

on a FS-model that has a flexible shaft.

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Check for fuel leakage while refueling

and during operation. If fuel or oil

leakage is found, do not start or run the

engine until leak is fixed and spilled fuel

has been wiped away. If this happens,

change your clothing immediately.

Gasoline is an extremely

flammable fuel. If spilled and

ignited by a spark or other

ignition source, it can cause

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Your trimmer is a one-person

machine. Once started, it may fling

foreign objects for a great distance.

fire and serious burn injury or property

damage. Use extreme caution when

handling gasoline or fuel mix.

Do not smoke or bring any fire or flame

near the fuel.

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Unit vibrations can

cause an improperly

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tightened fuel cap to

loosen or come off and

Fuel your trimmer in well-ventilated

areas, outdoors.

spill quantities of fuel.

In order to reduce risk of fuel spillage

and fire, tighten fuel cap by hand with as

much force as possible.

The screwdriver end of the STIHL

combination wrench or other similar tool

can be used as an aid for tightening

slotted fuel caps.

To reduce the risk of eye and other injury

insure that bystanders are at least 50

feet (15 m) away. Stop the engine and

cutting tool immediately if you are

approached. Start and operate your

trimmer without assistance. For specific

starting instructions, see the appropriate

section of your manual. Place the

trimmer on firm ground or other solid

surface in an open area. Maintain a

good balance and secure footing.

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Gasoline vapor pressure may build up

inside the gas tank of a two cycle engine

depending on the fuel used, the weather

conditions, and the venting system of

the tank. In order to reduce the risk of

burns and other personal injury from

escaping gas vapor and fumes, remove

the fuel filler cap on your trimmer

carefully so as to allow any pressure

build-up in the tank to release slowly.

Never remove fuel filler cap while engine

is running. Select bare ground for fueling

and move at least 10 feet (3 m) from the

fueling spot before starting the engine.

Wipe off any spilled fuel before starting

your trimmer and check for leakage.

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halation of toxic dust and fumes cannot

be eliminated, the operator and any by-

standers should always wear a respira-

tor approved by NIOSH/MSHA for the

type of dust and / or fumes encountered.

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To reduce the risk of injury from loss

of control, be absolutely sure that the

cutting tool is clear of you and all other

obstructions and objects, including the

ground, because when the engine starts

at starting-throttle, engine speed will be

fast enough for the clutch to engage and

turn the cutting tool.

Operate and start your trimmer only

outdoors in a ventilated area.

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Your trimmer

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produces toxic exhaust

fumes as soon as the

engine is running. These

gases (e.g. carbon

The muffler and other parts of the engine

(e.g. fins of the cylinder, spark plug)

become hot during operation and remain

hot for a while after stopping the engine.

To reduce risk of burns do not touch the

muffler and other parts while they are

hot.

monoxide) may be colourless and

odourless. To reduce the risk of serious

or fatal injury from inhaling toxic fumes,

never run the trimmer indoors or in

poorly ventilated locations.

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When you pull the starter grip, don’t

wrap the starter rope around your hand.

Do not allow the grip to snap back, but

guide the starter rope to rewind it

Operate the trimmer under good

visibility and daylight conditions only.

Work carefully.

properly. Failure to follow this procedure

may result in injury to hand or fingers and

may damage the starter mechanism.

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Use of this product can generate dust

and fumes containing chemicals known

to cause respiratory disease, cancer,

birth defects, or other reproductive harm.

If you are unfamiliar with the risks asso-

ciated with the particular dust or fume at

issue, consult your employer, govern-

mental agencies such as OSHA and

NIOSH and other sources on hazardous

materials. California and some other

authorities, for instance, have published

lists of substances known to cause

cancer, reproductive toxicity, etc.

Do not cut any material other than

grass, weed or similar soft vegetation.

The cutting tools may be used only for

the operations described in your manual.

With the engine running but at idle,

attach the trimmer to the spring hook of

your harness (see appropriate chapter

of this manual).

Control dust and fumes at the source

where possible. In this regard use good

work practices and follow the recommen-

dations of OSHA/NIOSH and occupatio-

nal and trade associations. When the in-

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your unit is equipped with the proper

handle and harness for the type of

cutting attachment being used (see

chart in chapter on "Selecting the

Cutting Tool").

attachment perpendicular to the ground

may increase the risk of injury, since

the cutting attachment is more fully

exposed and the trimmer may be more

difficult to control. Never use your

trimmer as a hedge trimmer.

Special care must be taken in slippery

conditions (wet ground, snow) and in

difficult, overgrown terrain. Watch for

hidden obstacles such as tree stumps,

roots and ditches to avoid stumbling.

Do not operate using the starting

throttle lock as you do not have control

of the engine speed. See section of your

owner’s manual on the proper use of the

slide control.

Before cutting, inspect the

area for stones, glass,

pieces of metal, trash or

other solid objects. The

If the cutting tool or deflector becomes

clogged or stuck, always turn off the

engine and make sure the cutting tool

has stopped, before cleaning. Grass,

weeds, etc. should be cleaned off the

cutting tool at regular intervals.

cutting attachment could

throw objects of this kind.

To reduce the

risk of injury

from thrown

Always hold the trimmer firmly with both

hands. Wrap your fingers tightly around

the handles, keeping the handles

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objects and

During cutting, check the tightness and

the condition of the cutting tool at

regular intervals. If the behavior of the

tool changes, stop the engine im-

mediately, and check the nut securing

the tool for tightness and the cutting

tool for cracks and damage. Replace

damaged cutting tools immediately.

Such tools may shatter at high speed

and cause serious or fatal injury.

cradled between your thumb and fore-

finger. Keep your hands in this position,

to have your trimmer under control at all

times. Make sure your trimmer handles

and grip are in good condition and free

of moisture, pitch, oil or grease.

blade contact,

never operate a trimmer without a

properly mounted deflector. Keep the

deflector (and the skirt where appropri-

ate) adjusted properly at all times (see

chapter on mounting the various cutting

tools of your owner’s manual). Do not

overreach. Keep proper footing and

balance at all times.

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Never attempt to operate any trimmer

with one hand. Loss of control of the

trimmer resulting in serious or fatal injury

may result.

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This trimmer is normally to be used at

ground level with the cutting attachment

parallel to the ground. Use of a trimmer

above ground level or with the cutting

To reduce the risk of bodily injury

resulting from loss of control and/or

contact with the cutting tool, make sure

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Never repair damaged cutting attach-

ments by welding, straightening or

modifying the shape. This may cause

parts of the cutting tool to come off and

result in serious or fatal injuries.

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Keep hands and feet away

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from cutting tool. Never

touch a rotating cutting tool

with your hand or any part of your body.

It continues to rotate for a short period

after the throttle trigger is released

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(

flywheel effect).

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Check condition of cutting tool at regular

short intervals. If behavior of tool

changes, check it immediately for

tightness or any signs of cracks in

particular. Replace damaged or dull

cutting tools immediately, even if they

have only superficial cracks. If the

blade loosens after being properly

tightened, the retaining nut may be

worn or damaged and should be

replaced. If the blade continues to

loosen, see your STIHL dealer.

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Use only identical STIHL replacement

parts for maintenance and repair.

Use of non-STIHL parts may cause

serious or fatal injury.

Follow the maintenance and repair

instructions in the appropriate section of

your owner’s manual. Please refer to the

maintenance chart on the last pages of

this manual.

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To reduce the risk of personal injury

from loss of control or contact with the

running cutting tool, do not use a cutting

tool with incorrect idle adjustment.

At correct idle speed, the cutting tool

should not move. For directions on how

to adjust idle speed, see the appropriate

section of your owner’s manual.

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If you cannot set the correct idle speed,

have your STIHL dealer check your

trimmer and make proper adjustments

and repairs

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To reduce the risk of fire and burn

injuries, check fuel filler cap for leaks at

regular intervals. Use the specified

spark plug and make sure it and the

ignition lead are always in good

condition.

Always stop the engine and make sure

that the cutting tool is stopped before

doing any maintenance or repair work

or cleaning the trimmer. Do not attempt

any maintenance or repair work not

described in your owner’s manual.

Have such work performed at your

STIHL service shop only.

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Remember that the risk of forest fires is

greater in hot or dry weather.

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Never test the ignition system with

ignition wire terminal removed from

spark plug or with unseated spark plug,

since uncontained sparking may cause

a fire.

Tighten all nuts, bolts and screws,

except the carburetor adjustment

screws, after each use.

Additionally, the daily maintenance

schedule for your trimmer set forth

in your STIHL Owner’s Manual should

be strictly followed.

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To reduce the risk of fire and burn injury,

use only spark plugs authorized by

STIHL. Always press spark plug boot

snugly onto spark plug terminal of the

proper size. (Note: If terminal has

detachable SAE adapter nut, it must be

attached.) A loose connection between

spark plug terminal and ignition wire

connector in the boot may create arcing

that could ignite combustible fumes and

cause a fire. Keep spark plug clean, and

make sure ignition lead is in good

condition.

For any maintenance please refer to the

maintenance chart DQGꢁWRꢁWKHꢁZDUUDQW\

VWDWHPHQW near the end of this manual.

Store trimmer in a dry, high or locked

location out of reach of children.

Before storing for longer than a few

days, always empty the fuel tank.

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Do not operate your trimmer if the

muffler is damaged, missing or modified.

An improperly maintained muffler will

increase the risk of fire and hearing loss.

Never touch a hot muffler or burn will

result. If your muffler was equipped with

a spark-arresting screen to reduce the

risk of fire (e.g. in the USA, Canada and

Australia), never operate your trimmer

if the screen is missing or damaged.

Do not modify or remove any part of the

muffler or spark arresting screen.

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For an illustration of the various cutting

tools and instructions on proper

mounting see the chapter on "mounting

the cutting tools" in your owner’s manual.

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The STIHL Autocut and Polycut mowing

heads produce a clean and tidy finish.

They are to be used only on trimmers

equipped with a limiter blade in the

deflector in order to keep the line at the

proper length (see "Parts and Controls"

chapter of this manual).

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If the lawn edges are planted with trees

or bordered by a fence etc., it is

best to use a nylon line head. It achieves

a "softer" cut with less risk of damaging

tree bark etc. than with the polymer

blades.

However, the polymer bladed STIHL

"Polycut" produces a better cut if there

are no plants along the edge of the

lawn. Sharpening is not necessary

and worn cutting blades are easily

replaced.

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Uses either nylon lines or nonrigid

plastic blades

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Three rectangular wear limit marks are

applied to the base (periphery) of the

Polycut 10-3. To reduce the risk of

serious injury from breakage of the head

or blades, the Polycut must not be used

when it has worn as far as one of these

marks. It is important to follow the

maintenance instructions supplied with

the head!

To reduce the risk of serious injury,

never use wire or metal-reinforced line

or other material in place of the nylon

cutting lines. Pieces of wire could break

off and be thrown at high speed toward

the operator or bystanders.

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Wear limit marks are integrated in the

base of the Polycut 5-3.

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Do not use the Polycut 5-3 if one of the

circular holes ꢇꢆꢈ starts to become

visible or if the projecting rim ꢇꢉꢈ has

worn away, since the cutting tool may

otherwise shatter and flying objects

could result in injury to the operator or

bystanders.

Nylon cutting cord advances auto-

matically when tapped against the

ground.

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$VVHPEOLQJꢀWKHꢀ7ULPPHU

0RXQWLQJꢀWKHꢀ&XWWLQJꢀ+HDG

50 mm

(2")

0RXQWLQJꢀWKHꢀORRSꢀKDQGOH

$GMXVWLQJꢀORRSꢀKDQGOHꢀWRꢀPRVWꢀ

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3UHSDULQJꢀWKHꢀEUXVKFXWWHU

Fit the loop handle ꢁꢂꢃ

on the drive tube -

Lay brushcutter down:

loop handle and engine hood facing

downwards,

•

Release clamp screw ꢁꢉꢃ.

Move the loop handle along the

drive tube as required -

retighten the clamp screw.

•

15 cm ꢁꢄꢅꢃꢀꢁ$ꢃforward of the

•

control handle ꢁꢆꢃ.

ꢆꢀ shaft facing upwards -

Position the clamp ꢁꢇꢃagainst the

drive tube and slide it into the loop

handle.

Fit square nut ꢁꢈꢃin the loop

handle, insert the clamp screw ꢁꢉꢃ

from the other side and tighten

down securely.

•

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ꢂꢀ Remove thrust plate

ꢆꢀ from shaft -

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Slip the clamp ꢁꢄꢃ

over the deflector ꢁꢋꢃ

Push the deflector onto the

bearing housing ꢁꢌꢃas far as stop.

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ꢂꢀ Slide thrust plate

ꢆꢀ onto shaft and insert

ꢇꢀ hexagon socket over

ꢈꢀ hexagon -

•

Tighten the clamp firmly.

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ꢂꢀ Insert locking pin in

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ꢆꢀ holes in deflector and thrust plate,

turning the latter back and forth until

the shaft blocks -

ꢄꢀ Screw cutting head as far as

possible clockwise on

ꢆꢀ the shaft -

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Block the shaft -

Tighten the cutting head securely.

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Remove the locking pin!

•

ꢂꢀ Slide upper part

ꢆꢀ onto shaft and fit

ꢇꢀ hexagon socket

•

ꢈꢀ over hexagon –

ꢉꢀ Place cap on upper part - turn

clockwise as far as possible on the

shaft and tighten securely

ꢂꢈ

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As described on the instruction

sheet supplied with the cutting head

•

5HPRYLQJꢀWKHꢀFXWWLQJꢀKHDG

Block the shaft -

Turn the cutting head

counterclockwise.

•

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FXWWLQJꢀEODGH

As described on the instruction

sheet supplied with the cutting head.

•

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ꢋꢀ Insert locking nut in cutting head

ꢄꢀ Screw cutting head as far as

possible clockwise on

RQꢀWKHꢀ67,+/ꢀꢅ$XWRFXWꢀꢂꢂꢍꢆꢅ

Hold the rotating cutting head

parallel to the overgrown area -

lightly tap the ground - the line is

adjusted by approx. 3 cm -

Excessively long nylon lines are

shortened to the optimum length

by the

•

ꢆꢀ the shaft -

Block the shaft -

Tighten the cutting head securely.

•

,PSRUWDQW4

Remove the locking pin!

ꢂꢀ cutter on

ꢆꢀ the deflector -

Do not tap the ground several times

in succession!

The line is only adjusted when ERWK

nylon lines are DWꢀOHDVWꢀꢆꢐꢉꢀFPlong!

•

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This engine is certified to operate on

unleaded gasoline and with the

mix ratio 50:1.

Do not use BIA or TCW (two-stroke

water cooled) mix oils!

Take care when handling gasoline.

Avoid direct contact with the skin and

avoid inhaling fuel vapour.

Your two-stroke engine requires a

mixture of brand-name gasoline and

quality two-stroke engine oil with the

FODVVLILFDWLRQꢀ7&ꢐ

The canister should be kept tightly

closed in order to avoid any moisture

getting into the mixture.

Use regular branded unleaded gasoline

with a minimum octane rating of

9 ROZ. If the octane rating of the

The fuel tank and the canister in which

fuel mix is stored should be cleaned

from time to time.

regular grade gasoline in your area is

lower, use premium unleaded fuel.

Fuel with a lower octane rating may

result in preignition (causing “pinging”)

which is accompanied by an increase in

engine temperature. This, in turn,

increases the risk of piston seizure

and damage to the engine.

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Only mix sufficient fuel for a few days

work, not to exceed 3 months of storage.

Store in approved safety fuel-canisters

only. When mixing, pour oil into the

canister first, and then add gasoline.

Before fueling, clean the filler cap and

the area around it to ensure that no dirt

falls into the tank.

The chemical composition of the fuel is

also important. Some fuel additives not

only detrimentally affect elastomers

(

carburetor diaphragms, oil seals, fuel

Gaso-

line

Oil (STIHL 50:1 or

equivalent branded TC oils)

Always thoroughly shake the mixture

in the canister before fueling your

machine.

lines etc.), but magnesium castings as

well. This could cause running problems

or even damage the engine. For this

reason it is essential that you use only

name branded fuels!

Liters

Liters (cc)

ꢀ

ꢀ:DUQLQJ4

0,02

(20)

In order to reduce the risk of burns or

other personal injury from escaping gas

vapor and fumes, remove the fuel filler

cap carefully so as to allow any pressure

build-up in the tank to release slowly.

0,10 (100)

0,20 (200)

0,30 (300)

0,40 (400)

Use only STIHL two-stroke engine oil or

equivalent branded two-stroke air-

cooled engine oils with the classification

TC for mixing.

ꢀ

:DUQLQJ4

After fueling, tighten fuel cap

Dispose empty mixing-oil canisters only

at authorized disposal locations.

We recommend STIHL 50:1 two-stroke

engine oil since it is specially formulated

for use in STIHL engines.

DVꢀVHFXUHO\ꢀDVꢀSRVVLEOHby hand.

ꢂꢄ

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Move stop switch to position ꢁ -

Press and hold throttle interlock -

Squeeze throttle trigger until

•

ꢋꢀ tab can

ꢌꢀ engage in detent -

then release throttle trigger, tab and

throttle interlock in succession

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ꢂꢀ Stop switch with the positions:

ꢆꢀ ꢁ - normal - operating - position,

idle position and

Before storing your machine for a long

period, drain and clean the fuel tank and

run engine until carburetor is dry.

ꢇꢀ ꢂ - stop position

Slide the switch in the direction of

the arrow

ꢈꢀ

to stop.

ꢉꢀ Throttle interlock

ꢄꢀ Throttle trigger - with

ꢋꢀ spring-loaded tab

ꢌꢀ Detent on throttle trigger retainer

)6ꢀꢇꢄꢏꢀꢈꢎ

ꢂꢋ

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Lay the unit safely on the ground:

engine support and deflector for

cutting tool on the ground - the

cutting tool must not touch the

ground or any other objects! -

Make sure you have a firm footing:

Hold the unit with your left hand

around the handle hose and press

it ILUPO\onto the ground -

With your right hand, slowly pull the

•

starter grip until you feel it engage -

then give it a brisk, strong pull -

Do not pull out the starter rope

completely - it may break! -

Do not let the starter grip snap

back - guide it back slowly so

that the starter rope can rewind

properly -

•

ꢀ

ꢀꢑꢀ Turn filter cover clockwise

to ꢅ&+2.(ꢅ.

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ꢀ

ꢀꢑꢀ Turn filter cover counterclockwise

to ꢅ581ꢅ.

This setting also applies if the

engine has already been run, but is

still cold.

thumb under the handle hose -

Do not stand or kneel on the drive

tube! -

ꢂꢎꢀ Press fuel pump bulb at least five

times - bulb must be filled with fuel -

ꢂꢌ

)6ꢀꢇꢄꢏꢀꢈꢎ

if ZDUP:

Press throttle interlock -

Squeeze throttle until tab

disengages - engine idles.

•

If the carburetor has been set correctly,

the cutting tool should not rotate when

the engine is idling!

The unit is now ready for use.

KHQꢀHQJLQHꢀEHJLQVꢀWRꢀILUHꢊ

Turn filter cover to ꢅ581ꢅ-

Set starting throttle position -

Start engine -

pull starter rope briskly -

10 or 20 pulls may be needed -

•

if FROG:

6ZLWFKLQJꢀRIIꢊ

ꢑꢀ Turn filter cover counterclockwise

until mark points to N - then

continue cranking until engine

starts -

Slide stop switch to position ꢂ.

•

,IꢀHQJLQHꢀVWLOOꢀGRHVꢀQRWꢀVWDUWꢊ

WꢀYHU\ꢀORZꢀWHPSHUDWXUHVꢊ

if ZDUP:

continue cranking until engine

starts -

/HWꢀHQJLQHꢀZDUPꢀXSꢀꢍ

Slide stop switch to position ꢂ

ꢂꢀ Pull off spark plug boot -

•

When engine has started:

Let it run at full throttle for a minute

to warm up -

Release throttle -

Turn filter cover to ꢅ581ꢅ,

engine idles.

Unscrew and dry spark plug -

Open throttle fully -

Pull starter rope several times to

clear combustion chamber -

Refit spark plug -

Connect spark plug terminal -

Slide stop switch to position ꢁ -

Turn filter cover to ꢅ581ꢅeven if

•

$VꢀVRRQꢀDVꢀHQJLQHꢀLVꢀUXQQLQJꢊ

•

if FROG:

•

Press throttle interlock -

Let engine run at full throttle for a

few minutes to warm up -

Release throttle interlock -

Turn filter cover to ꢅ581ꢅ-

engine idles -

•

,IꢀHQJLQHꢀGRHVꢀQRWꢀVWDUWꢊ

engine is cold! -

Restart the engine.

•

Filter cover was not turned to ꢅ581ꢅ

quickly enough after engine fired for the

first time, engine has been flooded.

•

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UHIXHOOLQJ

Press fuel pump bulb at least five

times even if full of fuel.

Restart the engine!

•

Always replace a damaged

filter element.

Install foam filter element ꢁꢇꢃ.

Fit the filter cover with the

choke lever ꢁꢈꢃin the closed

position, i.e. choke lever must

engage filter cover.

•

Line up choke mark on filter cover

with .of &+2.(on housing.

•

Dirty air filters reduce engine power,

increase fuel consumption and make

starting more difficult.

Secure cover with screwꢀꢁꢆꢃ.

,IꢀWKHUHꢀLVꢀDꢀQRWLFHDEOHꢀORVVꢀRIꢀ

HQJLQHꢀSRZHU

Turn filter cover ꢁꢂꢃto &+2.(-

to prevent dirt falling into the

carburetor.

Take out the screwꢀꢁꢆꢃand

pull off the filter cover without

turning it.

•

Take the foam filter elementꢀꢁꢇꢃ

out of the filter housing.

Wash the element in fresh, non-

flammable cleaning solution

•

(e.g. warm soapy water)

and dry it off.

ꢆꢎ

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Slight readjustment of the carburetor

may be necessary:

It is usually necessary to change

the setting of the idle speed

adjusting screwꢀꢁ/$ꢃafter every

correction to the low speed

adjusting screw ꢁ/ꢃ.

Check the air filter

and clean it if necessary.

Check spark arresting screen (if

fitted) and clean it if necessary.

Mount the cutting head and trim

lines to correct length:

•

(QJLQHꢀVWRSVꢀZKLOHꢀLGOLQJ

H L

Lines must extend as far as

line limiting blade on the deflector.

Turn the idle speed

adjusting screwꢀꢁ/$ꢃ

clockwise until engine runs

smoothly - cutting

Start the engine and adjust idling

speed correctly with the idle speed

adjusting screw ꢁ/$ꢃꢀ-

•

tool must not rotate.

the cutting tool must not rotate.

Warm up the engine.

&XWWLQJꢀWRROꢀURWDWHVꢀZKHQꢀ

HQJLQHꢀLVꢀLGOLQJ

•

0RWRUꢀ0DQDJHPHQW

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Turn the high speed adjusting

screw ꢁ+ꢃand low speed adjusting

screw ꢁ/ꢃclockwise (leaner) or as

far as stop.

Turn the idle speed adjusting

screw ꢁ/$ꢃcounterclockwise until

cutting tool stops rotating -

then back off screw about

another one half turn from that

position.

Exhaust emissions are controlled by the

design of the fundamental engine

parameters and components

(e.g. carburetion, ignition, timing and

valve or port timing) without the addition

of any major hardware.

$WꢀVHDꢀOHYHOꢊ

Turn the high speed adjusting

screw ꢁ+ꢃand low speed adjusting

screw ꢁ/ꢃcounterclockwise (richer)

or as far as stop.

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Your carburetor is preset at the factory.

This is the optimum setting under the

barometric pressure and climatic

conditions at the factory and is suitable

for most operating sites.

Idle setting is too lean.

Turn the low speed adjusting

screwꢀꢁ/ꢃcounterclockwise until

engine runs and accelerates

smoothly.

It ensures that your machine will run

smoothly, be fuel efficient, operate

reliably and produce low emissions.

)6ꢀꢇꢄꢏꢀꢈꢎ

ꢆꢂ

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XULQJꢀEUHDNꢍLQꢀSHULRG

If engine is down on power, difficult to

start or runs poorly at idling speed,

first check the spark plug.

A factory new machine should not be

run at high revs (full throttle off load) for

the first three tank fillings. This avoids

unnecessary high loads during the

break-in period.

Remove spark plug -

see chapter “Starting”:

Clean dirty spark plug.

Check electrode gap -

•

As all moving parts have to bed in

during the break-in period, the

it should be 0.7mm/0.03" ꢁ$ꢃ-

readjust if necessary.

frictional resistances in the engine

are greater during this period.

The engine develops its maximum

power after about 5 to 15 tank fillings.

Use only resistor type spark plugs

of the approved range.

•

Rectify problems which have caused

fouling of spark plug:

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Incorrect carburetor setting, too much oil

in fuel mix, dirty air filter,

After a long period of full-throttle

operation, allow engine to run for a while

at idle speed so that the heat in the

engine can be dissipated by flow of

cooling air. This protects engine-

mounted components (ignition,

unfavorable running conditions, e.g.

operating at part load.

Wrong fuel mix (too much engine oil in

the gasoline), a dirty air filter and

Fit a new spark plug after

•

approx. 50 operating hours -

or earlier if the electrodes are

badly eroded.

unfavorable running conditions (mostly

at part throttle etc.) affect the condition of

the spark plug. These factors cause

deposits to form on the insulator nose

which may result in trouble in operation.

carburetor) from thermal overload.

IWHUꢀILQLVKLQJꢀZRUN

ꢀ

ꢀ:DUQLQJ4

To reduce the risk of fire and burn injury,

use only spark plugs authorized by

STIHL (see “Specifications”).

Wait for engine to cool down. Drain the

fuel tank. Store the machine in a dry

place. Check tightness of nuts and

srews (not adjusting screws) at regular

intervals and retighten as necessary.

ꢆꢆ

)6ꢀꢇꢄꢏꢀꢈꢎ

XEULFDWLQJꢀWKHꢀ)OH[LEOH

KDIW

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ILWꢀDꢀQHZꢀRQHꢐ

Use STIHL multipurpose grease

•

0781 120 1109 to coat dry areas

of the shaft -

Push shaft into the drive tube -

turn it back and forth until distance

•

is less than 15 mm (0.6").

Always press spark plug boot ꢁꢆꢃsnugly

onto spark plug terminal ꢁꢂꢃof the pro-

per size. (Note: If terminal has

detachable SAE adapter nut, it must be

attached.) A loose connection between

spark plug terminal and ignition wire

connector in the boot may create arcing

that could ignite combustible fumes and

cause a fire.

Check film of lubricant at

•

Push bearing housing onto drive

tube -

regular intervals - about every 50

hours of operation if you use your

power edger daily or once a year if

you are an occasional user.

turn output shaft back and forth.

Line up holes for fixing screw.

Insert and tighten down the fixing

screw.

Tight the clamp on the bearing

housing.

Mount the deflector -

as described in "Assembling the

Trimmer".

•

Release clampꢀꢁꢂꢃon deflector -

pull off the deflector.

Release clamp ꢁꢆꢃon gear housing.

Take out the fixing screw ꢁꢇꢃ.

Pull off the bearing housing ꢁꢈꢃ.

Pull the flexible shaft ꢁꢉꢃout of the

drive tube.

)6ꢀꢇꢄꢏꢀꢈꢎ

ꢆꢇ

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6WRULQJꢀWKHꢀ0DFKLQH

For periods of about 3 months or longer:

Drain and clean the fuel tank.

Run engine until carburetor is dry -

this helps prevent the carburetor

diaphragms sticking together.

•

Remove, clean and inspect the

cutting tool.

Thoroughly clean the machine -

pay special attention to the

cylinder fins and air filter.

•

Store the machine in a dry, high or

•

locked location - out of the reach

of children and other unauthorized

persons.

f the engine is low on power, check the

spark arrester inside the muffler.

Slacken off the screws ꢁꢂꢃ,

don’t remove them.

Pull the spark arresterꢀꢁꢆꢃout from

behind the cover ꢁꢇꢃ.

•

Clean the spark arrester if

necessary.

If spark arrester is damaged or

coked up, fit a new one.

Reftit the spark arrester.

Assemble in the reverse sequence.

•

ꢆꢈ

)6ꢀꢇꢄꢏꢀꢈꢎ

0DLQWHQDQFHꢀ&KDUW

Please note that the following maintenance intervals apply for normal operating conditions

only. If conditions are difficult or your daily working time is longer than normal, shorten the

specified intervals accordingly.

Visual inspection (condition, leaks)

Complete machine

Clean

Throttle trigger, stop switch

Check operation

Clean

17-20

Air filter

Replace

Check

Filter in fuel tank

Fuel tank

Replace

Clean

Check idle adjustment -

cutting tool must not turn

Carburetor

Readjust idle

Readjust electrode gap

Visual inspection

Clean

Spark plug

Cooling air inlets

Inspect

Spark arrester in muffler

Clean or replace

All accessible screws and nuts

(not adjusting screws)

Retighten

Rubber vibration buffers

Have replaced by STIHL dealer

Visual inspection

Replace

13-15

Cutting tool

Check tightness of cutting tool

Visual inspection

Lubricate

Flexible drive shaft

The user of this unit should carry out

only the maintenance operations

described in this manual. Other repair

work may be performed only by an

authorized STIHL Service dealer.

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67,+/ꢀ6HUYLFHꢀGHDOHUꢀXVLQJꢀRULJLQDO

67,+/ꢀVSDUHꢀSDUWVꢁ

Original STIHL parts can be identified

by the STlHL part number, the

T logo and the STIHL parts

symbol ꢀ The symbol may appear

alone on small parts.

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Single cylinder two-stroke engine

Displacement:

without cutting tool

and deflector:

FS 36:

30.2 cm³

1.84 cu.in)

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ꢅꢆꢆꢅꢀꢌꢊꢆꢀꢇꢊꢍꢇ

Replacement nylon line

(

4.6 kg (10.1 lb)

4.7 kg (10.4 lb)

Bore:

Stroke:

34.8 mm (1.37 in)

31.8 mm (1.25 in)

FS 40:

2.0 mm/0.08" dia., green

Power to ISO 8893: 0.7 kW (0.95 bhp)

Max. engine speed

(15 m/50 ft)

0000 930 2588

with cutting head:

speed limited by control valve)

Max. output shaft speed

tool mounting):

Idle speed:

10 000 r.p.m.

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Replacement blades

(

9 300 r.p.m.

3 100 r.p.m.

(set of 12)

4111 007 1001

Replacement nylon line

2.4 mm/0.095" dia., orange

(

15 m/50 ft)

0000 930 2587

0000 930 2586

,JQLWLRQꢀ6\VWHP

2.7 mm/0.105" dia.,red

(10.7 m/35 ft)

Type: Electronic (breakerless) magneto

ignition

Spark plug

suppressed):

GM AC CSR 45,

Champion RCJ8

or NGK BMR 6A;

0.7...0.8 mm

(

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Replacement blades

Electrode gap:

(

0.03")

M 14 x 1.25;

.5 mm (0.37 in)

(set of 12)

4111 007 1001

Spark plug thread:

long

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Safety goggles

Carburetor:

All position dia-

phragm carburetor

with integral fuel

pump

Rust plate

4130 713 1501

STIHL Gear lubricant for hedge trimmers

Air filter:

Foam element

(80 g/3 oz tube)

(225g/8 oz tube)

0781 120 1109

0781 120 1110

Fuel tank capacity: 0.51 l (1.1 US pt)

Fuel mixture:

See chapter “Fuel”

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As the small off-road equipment engine

owner, you should be aware, however,

that STIHL Incorporated may deny you

warranty coverage if your small off-road

equipment engine or a part has failed

due to abuse, neglect, improper mainten-

ance or unapproved modifications.

Where a warrantable condition exists,

STIHL Incorporated will repair your small

off-road equipment engine at no cost to

you, including diagnosis (if the diagnostic

work is performed at an authorized

dealer), parts, and labor.

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The U.S. Environmental Protection

Agency (EPA), the California Air

Resources Board (CARB) and STIHL

Incorporated are pleased to explain the

Emission Control System Warranty on

your model year 2000 and later equip-

ment type engine. In California, new

small off-road engines must be designed,

built and equipped to meet the State’s

stringent anti-smog standards. In other

states, new 1997 and later model year

small off-road equipment engines must

be designed, built and equipped, at the

time of sale, to meet the U.S. EPA

regulations for small non road engines.

The equipment engine must be free from

defects in materials and workmanship

which cause it to fail to conform with

U.S. EPA standards for the first two

years of engine use from the date of

sale to the ultimate purchaser.

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The small off-road equipment engines

are warranted for two years in California.

In other states, 1997 and later model

year small off-road equipment engines

are also warranted for two years. If any

emission-related part on your engine is

defective, the part will be repaired or

replaced by STIHL Incorporated free of

charge.

You are responsible for presenting your

small off-road equipment engine to a

STIHL service center as soon as a

problem exists. The warranty repairs will

be completed in a reasonable amount of

time, not to exceed 30 days.

If you have any questions regarding

your warranty rights and responsibilities,

please contact a STIHL customer

service representative at 1-800-467-

8445 or you can write to STIHL Inc.,

536 Viking Drive, P.O. Box 2015,

Virginia Beach, VA 23450-2015.

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As the small off-road equipment engine

owner, you are responsible for the per-

formance of the required maintenance

listed in your owner’s manual. STIHL

Incorporated recommends that you

retain all receipts covering maintenance

on your small off-road equipment engine,

but STIHL Incorporated cannot deny

warranty solely for the lack of receipts or

for your failure to ensure the perform-

ance of all scheduled maintenance.

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STIHL Incorporated warrants to the

ultimate purchaser and each subsequent

purchaser that your small off-road

equipment engine will be designed,

built and equipped, at the time of sale,

to meet all applicable regulations. STIHL

Incorporated also warrants to the initial

purchaser and each subsequent

purchaser that your engine is free from

defects in materials and workmanship

which cause the engine to fail to

conform with applicable regulations for a

period of two years.

STIHL Incorporated must warrant the

emission control system on your small

off-road engine for the period of time

listed below provided there has been no

abuse, neglect or improper maintenance

of your small off-road equipment engine.

Any replacement part or service that is

equivalent in performance and durability

may be used in non-warranty mainten-

ance or repairs, and shall not reduce the

warranty obligations of the engine

manufacturer.

Your emission control system includes

parts such as the carburetor and the

ignition system. Also included may be

hoses, and connectors and other

emission related assemblies.

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The warranty periods will begin on the

date the utility equipment engine is

purchased by the initial purchaser and

you have signed and sent back the

warranty card to STIHL. If any emission

related part on your engine is defective,

the part will be replaced by STIHL

Incorporated at no cost to the owner.

Any warranted part which is not

STIHL Incorporated shall remedy

war-ranty defects at any authorized

STIHL servicing dealer or warranty

station. Any such work shall be free of

charge to the owner if it is determined

that a warranted part is defective. Any

manufacturer-approved or equivalent

replacement part may be used for any

warranty mainten-ance or repairs on

emission-related parts and must be

provided without charge to the owner.

STIHL Incorporated is liable for damages

to other engine components caused by

the failure of a warranted part still under

warranty.

The maintenance instructions in this

manual are based on the application of

the recommended 2-stroke fuel-oil

mixture (see also instruction "Fuel").

Deviations from this recommendation

regarding quality and mixing ratio of fuel

and oil may require shorter maintenance

intervals.

scheduled for replacement as required

maintenance, or which is scheduled only

for regular inspection to the effect of

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This Emission Control Systems

Warranty shall not cover any of the

following:

"repair or replace as necessary" will be

warranted for the warranty period.

Any warranted part which is scheduled

for replacement as required mainten-

ance will be warranted for the period of

time up to the first scheduled replace-

ment point for that part.

- repair or replacement required

because of misuse, neglect or lack of

required maintenance,

The California Air Resources Board’s

Emission Warranty Parts List specifically

defines the emission-related warranted

parts. These warranted parts are:

- repairs improperly performed or

replacements not conforming to

STIHL Incorporated specifications that

adversely affect performance and/or

durability, and alterations or

modifications not recommended or

approved in writing by STIHL

Incorporated,

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Carburetor

Choke (Cold start enrichment system)

Intake manifold

Air filter

Spark plug

You, as the owner, shall not be charged

for diagnostic labor which leads to the

determination that a warranted part is

defective. However, if you claim warranty

for a component and the machine is

tested as non-defective, STIHL

Magneto or electronic ignition system

(ignition module)

Incorporated will charge you for the cost

of the emission test.

Catalytic converter (if applicable)

Fasteners

and

Mechanical diagnostic work will be

performed at an authorized STIHL

servicing dealer. Emission test may be

performed either at STIHL Incorporated

or at any independent test laboratory.

- replacement of parts and other

services and adjustments necessary

for required maintenance at and after

the first scheduled replacement point.

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Bring the product to any authorized

STIHL servicing dealer and present the

signed warranty card.

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WARNING!

The engine exhaust from this product

contains chemicals known to the State

of California to cause cancer, birth

defects or other reproductive harm.

458 342 3021

englisch / English