Stihl 036 Manual

2014-07-06

: Stihl 036-Manual 036-manual stihl pdf

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Kickback may occur when the nose

or tip of the guide bar touches an

object, or when the wood closes in

and pinches the saw chain in the

cut. Tip contact in some cases may

cause a lightning fast reverse

reaction, kicking the guide bar up

and back towards the operator.

Pinching the saw chain along the

top of the guide bar may push the

guide bar rapidly back towards the

operator. Either of these reactions

may cause you to lose control of the

saw which could result in serious

personal injury.

Section 5.12 of ANSI B 175.1-1991

sets certain performance and

design criteria related to chainsaw

kickback. STIHL has developed a

color code system using green and

yellow to help you select a power-

head, bar and chain combination

that complies with the kickback

requirements of the ANSI Standard.

See the sections entitled "Safety

Precautions" and "Specifications"

of this manual.

Do not rely exclusively upon the

safety devices built into your saw.

As a chainsaw user, you should

take several steps to keep your

cutting jobs free from accident or

injury.

1. With a basic understanding of

kickback, you can reduce or eli-

minate the element of surprise.

Sudden surprise contributes to

accidents.

2. Keep a good firm grip on the

saw with both hands, the right

hand on the rear handle,

and the left hand on the front

handle, when the engine is run-

ning. Use a firm grip with

thumbs and fingers encircling

the chainsaw handles.

A firm grip will help you reduce

kickback and maintain control

of the saw.

Don’t let go.

3. Make sure the area in which you

are cutting is free from obstruc-

tions. Do not let the nose of the

guide bar contact a log, branch,

or any other obstruction while

you are operating the saw.

4. Cut at high engine speeds.

5. Do not overreach or cut above

shoulder height.

6. Follow manufacturer’s

sharpening and maintenance

instructions for the saw chain.

7. Only use replacement bars and

chains specified by the manu-

facturer or the equivalent.

8. Reduced kickback bars and low

kickback chains are designed

to reduce the risk of kickback

injury. Ask your STIHL dealer

about these devices.

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1. Do QRW operate a chainsaw with

one hand! Serious injury to the

operator, helpers, bystanders,

or any combination of these

persons may result from one-

handed operation. A chainsaw

is intended to be used with two

hands.

2. Do not operate a chainsaw when

you are fatigued.

3. Use safety footwear; snug-fitting

clothing; protective gloves; and

eye, hearing, and head protect-

ion devices.

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continued on the back inside cover

Main Parts of Saw 2

Definitions 3

Safety Precautions 4

- The Operator 4

- The Saw 6

- The Use of the Saw 6

- Maintenance, Repair and Storing 23

Mounting the Bar and Chain 25

Tensioning the Saw Chain 26

Fuel Mix 27

Fueling 27

Chain Lubricant 28

Fill Chain Oil Tank 28

Chain Brake 29

- Locking saw chain 29

- Releasing chain brake 29

- Checking operation 29

- Chain brake maintenance 29

Information Before You Start 30

Starting the Saw 31

Checking Chain Lubrication 34

Oil Quantity Control 34

During Break-in Period 35

During Operation 35

After Finishing Work 35

Air Filter System 36

Winter Operation 37

Taking Care of Guide Bar 38

Adjusting Carburetor 39

Motor Management 39

Spark Arresting Screen in Muffler 40

Checking Spark Plug 40

Replacing Starter Rope and

Rewind Spring 41

Checking and Replacing

Chain Sprocket 44

Maintaining and Sharpening

Saw Chain 45

Maintenance Chart 48

Specifications 49

Ordering Spare Parts 50

Storing the Machine 50

STIHL Incorporated Federal Emission

Control Warranty Statement 51

This Manual contains operating and

safety instructions for all STIHL 036

series power saws.

Pay special attention to the safety

precautions outlined on the inside cover

and on pages 4 to 24.

Allow only persons who understand this

Manual to operate your chain saw.

To receive maximum performance and

satisfaction from your STIHL chainsaw,

it is important that you read and under-

stand the maintenance and safety

precautions before using your saw.

Contact your STIHL dealer or the

STIHL distributor for your area if you do

not understand any of the instructions in

this Manual.

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Because a chainsaw is a high-speed

wood-cutting tool, some special safety

precautions must be observed as with

any other power saw to reduce the risk of

personal injury. Careless or improper use

may cause serious or even fatal injury.

STIHL’s philosophy is to continually

improve all of its products. As a result,

engineering changes and improvements

are made from time-to-time.

If the operating characteristics or the

appearance of your saw differs from

those described in this Manual,

please contact your STIHL dealer for

information and assistance.

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0458 138 3021. M8. E0. PM. Printed in USA

Printed on chlorine-free paper

 2000 Andreas Stihl AG & Co., Waiblingen

 

1 = Carburetor box cover twist lock

2 = Spark plug boot

3 = Handle heating switch

4 = Chain sprocket cover

5 = Chain sprocket

6 = Chain brake

7 = Chain catcher

8 = Chain tensioner

9 = Bumper spike

10 = Guide bar

11 = Oilomatic saw chain

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12 = Oil filler cap

13 = Muffler

14 = Front hand guard

15 = Front handle (handlebar)

16 = Decompression valve

17 = Starter grip

18 = Fuel filler cap

19 = Master control lever

20 = Throttle trigger

21 = Throttle trigger interlock

22 = Rear handle

23 = Rear hand guard

145BA025 KN

145BA026 K

14 15

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Lock for carburetor box cover.

 6SDUN3OXJ%RRW

Connects the spark plug with the

ignition wire.

 +DQGOH+HDWLQJ6ZLWFK

For switching the electric handle

heating on and off

 &KDLQ6SURFNHW&RYHU

Covers the clutch and the sprocket.

 &KDLQ6SURFNHW

The toothed wheel that drives the

saw chain.

 &KDLQ%UDNH

A device to stop the rotation of the

chain if activated in a kickback

situation by the operator’s hand or

by inertia.

 &KDLQ&DWFKHU

Helps to reduce the risk of operator

contact by a chain when it breaks

or comes off the bar.

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Permits precise adjustment of chain

tension.

 %XPSHU6SLNH

Toothed stop for holding saw steady

against wood.

 *XLGH%DU

Supports and guides the saw chain.

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 2LORPDWLF6DZ&KDLQ

A loop consisting of cutters, tie

straps and drive links.

 2LO)LOOHU&DS

For closing the oil tank.

 0XIIOHU

Reduces engine exhaust noise and

directs the exhaust gases.

 )URQW+DQG*XDUG

Provides protection against

projecting branches and helps

prevent left hand from

touching the chain if it slips off

the handle bar.

 )URQW+DQGOH

Handle bar for the left hand at

front of saw.

 'HFRPSUHVVLRQ9DOYH

Makes starting easierHandle

 6WDUWHU*ULS

The grip of the starter, for starting

the engine.

 )XHO)LOOHU&DS

For closing the fuel tank.

 0DVWHU&RQWURO/HYHU

Lever for choke control,

starting throttle, run and

stop switch position.

 7KURWWOH7ULJJHU

Controls the speed of the engine.

 7KURWWOH7ULJJHU,QWHUORFN

Must be depressed before the

throttle trigger can be activated.

 5HDU+DQGOH

The support handle for the right

hand, located at or toward the

rear of the saw.

 5HDU+DQG*XDUG

Gives added protection to

operator’s right hand.

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The exposed end of the guide bar.

(not illustrated, see chapter

“Tensioning the Saw Chain”.

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Couples engine to chain sprocket

when engine is accelerated beyond

idle speed.

(not illustrated).

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The anti-vibration system includes

a number of buffers designed to

reduce the transmission of vibrations

created by the engine and cutting

attachment to the operator’s hands.

(not illustrated).

 

The use of any chainsaw

may be hazardous.

The saw chain has many

sharp cutters. If the

cutters contact your flesh,

they will cut you, even if the chain is not

moving. At full throttle, the chain speed

can reach 45 mph (20 m/s). It is impor-

tant that you read, fully understand

and observe the following safety precau-

tions and warnings. Read the Owner’s

Manual DQG the safety instructions

periodically.

Pay special attention to the section on

reactive forces.

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Reactive forces, including kickback, can

be dangerous. Careless or improper use

of any chainsaw may cause serious or

fatal injury.

All safety precautions that are generally

observed when working with an ax or a

hand saw also apply to the operation of

chainsaws. However, because a chain-

saw is a high-speed, fast-cutting power

tool, special safety precautions must be

observed to reduce the risk of personal

injury.

Have your STIHL dealer show you how

to operate your chainsaw. Observe all

applicable local safety regulations,

standards and ordinances.

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Minors should never be allowed to use a

chainsaw. Bystanders, especially

children, and animals should not be

allowed in the area where a chainsaw is

in use. Never let the saw run unattended.

Store it in a locked place away from

children and empty the fuel tank before

storing for longer than a few days.

Do not lend or rent your

chainsaw without the

Owner‘s Manual. Be sure

that anyone using your

saw reads and under-

stands the information contained in this

manual.

These safety precautions and warnings

apply to the use of all STIHL chainsaws.

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 saw.

Safe use of a chainsaw involves

1. the operator

2. the saw

3. the use of the saw.

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You must be in good physical condition

and mental health and not under the

influence of any substance (drugs,

alcohol) which might impair vision,

dexterity or judgment.

Do not operate a chainsaw when you are

fatigued. Be alert – If you get tired while

operating your chainsaw, take a break.

Tiredness may result in loss of control.

Working with any chainsaw can be

strenuous. If you have any condition that

might be aggravated by strenuous work,

check with your doctor before operating

a chainsaw.

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Prolonged use of chainsaws (or other

machines) exposing the operator to

vibrations may produce whitefinger

disease (Raynaud’s phenomenon) or

carpal tunnel syndrome. These conditions

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reduce the hand’s ability to feel and

regulate temperature, produce numb-

ness and burning sensations and may

cause nerve and circulation damage and

tissue necrosis.

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-

ment of whitefinger disease. In order to

reduce the risk of whitefinger disease

and carpal tunnel syndrome, please

note the following:

–Many STIHL models are available

with an anti-vibration (“AV”) system

designed to reduce the transmission

of vibrations created by the engine

and cutting attachment to the

operator’s hands. An AV system is

recommended for those persons

using chainsaws on a regular or

sustained basis.

–Wear gloves and keep your hands

warm. Heated handles, which are

available on most STIHL power-

heads, are recommended for cold

weather use.

–Keep the saw chain sharp and the

saw, including the AV system, well

maintained. A dull chain will in-

crease cutting time, and pressing a

dull chain through wood will in-

crease the vibrations transmitted to

your hands. A saw with loose com-

ponents or with damaged or worn

AV buffers will also 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.

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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To reduce the risk of injury, the operator

should wear proper protective apparel.

Clothing must be sturdy

and snug-fitting, but allow

complete freedom of

movement. Avoid loose-

fitting jackets, scarfs,

neckties, jewelry, flared or cuffed pants,

unconfined long hair or anything that

could become entangled with the saw or

brush. Wear overalls or jeans with a

reinforced cut retardant insert or cut

retardant chaps.

Protect your hands with

gloves when handling

saw and saw chain.

Heavyduty, nonslip

gloves improve your grip

and protect your hands.

Good footing is most

important in chainsaw

work. Wear sturdy boots

with nonslip soles.

Steel-toed safety boots

are recommended.

To reduce the risk of injury to your eyes

never operate a chainsaw unless

wearing goggles or properly fitted safety

glasses with adequate top and side

protection complying with your national

standard.



Wear an approved safety

hard hat to protect your

head. Chainsaw noise

may damage your

hearing. Always wear

sound barriers (ear plugs

or ear mufflers) to protect your hearing.

Continual and regular users should have

their hearing checked regularly.

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Parts of the chainsaw; for illustrations

and definitions of the parts see the

chapter on “Main Parts of Saw”.

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Never modify a chainsaw in any way.

Only attachments and parts supplied by

STIHL or expressly approved by STIHL

for use with the specific STIHL saw

models are authorized. Although certain

unauthorized attachments are useable

with the STIHL powerhead, their use

may, in fact, be extremely dangerous.

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Always stop the engine before putting a

chainsaw down or carrying it. Carrying a

chainsaw with the engine running is

extremely dangerous.

Accidental acceleration of the engine

can cause the chain to rotate. During

operation, the powerhead muffler and

the material around it reach extremely

high temperatures. Avoid touching the

hot muffler, you could receive serious

burns.

%\KDQGWhen carrying your saw by

hand, the engine must be stopped and

the saw must be in the proper position.

Grip the front handle and place the

muffler away from the body.

The chain guard (scabbard) should be

over the chain and the guide bar, which

should point backwards. When carrying

your saw, the bar should be behind you.

%\YHKLFOHWhen transporting in a

vehicle, keep chain and bar covered with

the chain guard. Properly secure your

saw to prevent turnover, fuel spillage

and damage to the saw.

001BA027 LÄ

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Take off the chain guard and inspect for

safety in operation. For assembly, follow

the procedure described in the chapter

“Mounting the Bar and Chain” of your

Owner’s Manual.

STIHL Oilomatic chain, guide bar and

sprocket must match each other in

gauge and pitch.

Before replacing any bar and chain,

see the sections on “Specifications”,

"Kickback" and the "ANSI B 175.1-1991

chainsaw kickback standard" in this

manual.

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Proper tension of the chain is extremely

important. In order to avoid improper

setting, the tensioning procedure must

be followed as described in your manual.

Always make sure the hexagonal nut(s)

for the sprocket cover is (are) tightened

securely after tensioning the chain.

Never start the saw with the sprocket

cover loose. Check chain tension once

more after having tightened the nut(s)

and thereafter at regular intervals (when-

ever the saw is shut off). If the chain

becomes loose while cutting, shut off the

engine and then tighten. Never try to

tighten the chain while the engine is

running!

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Your STIHL chainsaw uses an oil-gaso-

line mixture for fuel (see chapter “Fuel”

of your Owner’s Manual).

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Gasoline is an extremely flammable fuel.

If spilled or ignited by a spark or other

ignition source, it can cause 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 or the chainsaw.

Note that combustible

fuel vapors may be vented

from the fuel system.

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Fuel your chainsaw in well-ventilated

areas, outdoors only. Always shut off the

engine and allow it to cool before refue-

ling. 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 or other personal injury

from escaping gas vapor and fumes,

remove the fuel filler cap on the STIHL

product 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 fueling spot

before starting the engine. Wipe off any

spilled fuel before starting your saw, and

check for leakage.

:DUQLQJ

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. Take care not to get

fuel on your clothing. If this happens,

change your clothing immediately.



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Unit vibrations can cause an improperly

tightened fuel filler cap to loosen or come

off and spill quantities of fuel. In order to

reduce the risk of fuel spillage and fire,

tighten fuel filler 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

in tightening slotted fuel

filler caps.

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The chain brake must be engaged when

starting the saw.

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Your chainsaw is a one-person saw.

Do not allow other persons to be near

the running chainsaw. Start and operate

your saw without assistance. For specific

starting instructions, see the appropriate

section of the Owner’s Manual. Proper

starting methods reduce the risk of injury.

Do not drop start. This method is very

dangerous because you may lose control

of the saw.

There are two recommended methods

for starting your chainsaw.

With the ILUVWPHWKRGthe chainsaw is

started on the ground. Make sure the

chain brake is engaged (see “Chain

Brake” chapter in your Owner’s Manual)

and place the chainsaw on firm ground

or other solid surface in an open area.

Maintain good balance and secure

footing.

Grip the front handlebar of the saw firmly

with your left hand and press down.

For saws with a rear handle level with

the ground, put the toe of your right foot

into the rear handle and press down.

With your right hand pull out the starter

grip slowly until you feel a definite

resistance and then give it a brisk,

strong pull.

The VHFRQGrecommended PHWKRGfor

starting your chainsaw allows you to start

the saw without placing it on the

ground. Make sure the chain brake is

engaged, grip the front handle of the

chainsaw firmly with your left hand.

Keep your arm on the front handle in a

locked (straight) position. Hold the rear

handle of the saw tightly between your

legs just above the knees. Maintain good

balance and secure footing. Pull the

starting grip slowly with your right hand

until you feel a definite resistance and then

give it a brisk, strong pull.

001BA028 LÄ

143BA019 KN

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Be sure that the guide bar and chain are

clear of you and all other obstructions

and objects, including the ground. When

the engine is started, the engine speed

with the starting throttle lock engaged

will be fast enough for the clutch to

engage the sprocket and, if the chain-

brake is not activated, turn the chain.

If the upper quadrant of the tip of the bar

touches any object, it may cause kick-

back to occur (see section on reactive

forces). To reduce this risk, always

engage the chain brake before starting.

Never attempt to start the chainsaw

when the guide bar is in a cut or kerf.

:DUQLQJ

When you pull the starter grip, do not

wrap the starting rope around your

hands. Do not allow the grip to snap

back, but guide the starter rope slowly

back to permit the rope to rewind

properly. Failure to follow this procedure

may result in injury to hand or fingers

and may damage the starter mechanism.

,PSRUWDQWDGMXVWPHQWV

:DUQLQJ

To reduce the risk of personal injury from

loss of control or contact with the

running chain, do not use a saw with

incorrect idle adjustment. At correct idle

speed, the chain should not rotate. For

directions to adjust idle speed, see the

appropriate section of your Owner’s

Manual. If you cannot set the correct idle

speed, have your STIHL dealer check

your saw and make proper adjustments

or repairs.

After adjusting a chain, start the saw, let

the engine run for a while, then switch

engine off and recheck chain tension.

Proper chain tension is very important at

all times.

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Operate the chainsaw under good

visibility and daylight conditions only.

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Your chainsaw produces

poisonous exhaust fumes

as soon as the combusti-

ble engine is running.

These gases (e.g. carbon

monoxide) may be colorless and odor-

less.

To reduce the risk of serious or fatal

injury from breathing toxic fumes, never

run the chainsaw indoors or in poorly

ventilated locations. Ensure proper venti-

lation when working in trenches or other

confined areas.

::DUQLQJ

Use of this product (including sharpen-

ing the saw chain) can generate dust,

mists and fumes containing chemicals

known to cause respiratory disease, can-

cer, birth defects, or other reproductive

harm. If you are unfamiliar with the risks

associated with the particular dust, mist

or fume at issue, consult your employer,

governmental agencies such as OSHA

and NIOSH and other sources on hazar-

dous materials. California and some

other authorities, for instance, have pub-

lished lists of substances known to cause

cancer, reproductive toxicity, etc.

Control dust (such as sawdust), mists

(such as oli mist from chain lubrication)

and fumes at the source where possible.

In this regard use good work practices

and follow the recommendations of

OSHA / NIOSH and occupational and

trade associations. When the inhalation

of toxic dust, mists and fumes cannot be



eliminated, the operator and any by-

standers should always wear a respirator

approved by NIOSH / MSHA for the type

substance at issue.

:DUQLQJ

Breathing asbestos dust is dangerous

and can cause severe or fatal injury, re-

spiratory illness or cancer. The use and

disposal of asbestos containing products

have been strictly regulated by OSHA

and the Environmental Protection Agen-

cy. Do not cut or disturb asbestos, asbe-

stos containing products (e.g. asbestos

containing drywall or other construction

products), or products such as pipes

which are wrapped or covered with asbe-

stos insulation. If you have any reason

to believe that you might be cutting asbe-

stos, immediately contact your employer

or a local OSHA representative.

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. Don’t work alone. Keep within calling

distance of others in case help is

needed.

Your chainsaw is equipped with a chain

catcher. It is designed to reduce the risk

of personal injury in the event of a thrown

or broken chain. From time to time the

catcher may be damaged or removed.

To reduce the risk of personal injury,

do not operate a chainsaw with a

damaged or missing catcher.

Inspect buffers periodically. Replace

damaged, broken or excessively worn

buffers immediately, since they may

result in loss of control of the saw.

A “sponginess” in the feel of the saw,

increased vibration or increased

“bottoming” during normal operation

may indicate damage, breakage or

excessive wear. Buffers should always

be replaced in sets. If you have any

questions as to whether the buffers

should be replaced, consult your STIHL

servicing dealer.

:DUQLQJ

Take extreme care in wet and freezing

weather (rain, snow, ice). Put off the

work when the weather is windy, stormy

or rainfall is heavy.

:DUQLQJ

Avoid stumbling on obstacles such as

stumps, roots or rocks and watch out for

holes or ditches. Clear the area where

you are working. Be extremely cautious

when working on slopes or uneven

ground. There is increased danger of

slipping on freshly debarked logs.

:DUQLQJ

To reduce the risk

of serious or fatal

injury to the opera-

tor or bystanders,

never use the saw

with one hand.

You cannot control reactive forces and

you may lose control of the saw, which

can result in the skating or bouncing of

the bar and chain along the limb or log.

Even for those compact saws designed

for use in confined spaces, one-handed

operation is dangerous because the

operator may lose control.

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Grip: Always hold the saw firmly with

both hands when the engine is running.

Place your left hand on front handle bar

and your right hand on rear handle and

throttle trigger. Left-handers should

follow these instructions too.

Wrap your fingers tightly around the

handles, keeping the handles cradled

between your thumb and forefinger.

With your hands in this position, you can

best oppose and absorb the push, pull

and kickback forces of your saw without

losing control (see section on reactive

forces). Make sure your chainsaw

handles and grip are in good condition

and free of moisture, pitch, oil or grease.

:DUQLQJ

Do not operate your chainsaw with the

starting throttle lock engaged. Cutting

with the starting throttle lock engaged

does not permit the operator proper

control of the saw or chain speed.

:DUQLQJ

Never touch a chain with your hand or

any part of your body when the engine is

running, even when the chain is not

rotating. The chain continues to rotate

for a short period after the throttle trigger

is released.

:DUQLQJ

Do not cut any material other than wood

or wooden objects.

Use your chainsaw for cutting only.

It is not designed for prying or shoveling

away limbs, roots or other objects.

When sawing, make sure that the saw

chain does not touch any foreign

materials such as rocks, fences, nails

and the like.

Such objects may be flung off, damage

the saw chain or cause the saw to

kickback.

:DUQLQJ

In order to keep control of your saw,

always maintain a firm foothold.

Never work on a ladder, or on any other

insecure support. Never use the saw

above shoulder height.

:DUQLQJ

Never work in a tree unless you have

received specific, professional training

for such work, are properly secured

(such as tackle and harness system or a

lift bucket), have both hands free for

operating the chainsaw in a cramped

environment and have taken proper

precautions to avoid injury from falling

limbs or branches.

001BA087 LÄ

001BA031 LÄ

001BA018 LA

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Position the chainsaw in such a way that

your body is clear of the cutting attach-

ment whenever the engine is running.

Stand to the left of cut while bucking.

Don’t put pressure on the saw when

reaching the end of a cut. The pressure

may cause the bar and rotating chain to

pop out of the cut or kerf, go out of

control and strike the operator or some

other object. If the rotating chain strikes

some other object, a reactive force may

cause the moving chain to strike the

operator.

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Reactives forces may occur any time the

chain is rotating. Reactives forces can

be dangerous! In any chainsaw, the

powerful force used to cut wood can be

reversed (and work against the opera-

tor). If the rotating chain is suddenly

stopped by contact with any solid object

like a log or branch or is pinched, the

reactive forces may occur instantly.

These reactive forces may result in loss

of control which may, in turn, cause

serious or fatal injury. An understanding

of the causes of these reactive forces

may helpyou avoid loss of control.

The most common reactive forces are

– kickback,

– pushback,

– pull-in.

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Kickback may occur when

the moving saw chain

near the upper quadrant of

the bar nose contacts a

solid object or is pinched.

The reaction of the cutting force of the

chain causes a rotational force on the

chainsaw in the direction opposite to the

chain movement. This may fling the bar

up and back in an uncontrolled arc

mainly in the plane of the bar. Under

some cutting circumstances the bar

moves towards the operator, who may

suffer severe or fatal injury.

Kickback may occur when the nose of

the guide bar is pinched unexpectedly,

unintentionally contacts solid material in

the wood or is incorrectly used to begin

a plunge or boring cut.

001BA082 KN

001BA093 LÄ

001BA035 LÄ



It may also occur during limbing.

The greater the force of the kickback

reaction, the more difficult it becomes for

the operator to control the saw. Many

factors influence the occurrence and

force of the kickback reaction. These

include chain speed, the speed at which

the bar and chain contact the object, the

angle of contact, the condition of the

chain and other factors.

The type of bar and saw chain you use

is an important factor in the occurrence

and force of the kickback reaction.

Some STIHL bar and chain types are

designed to reduce kickback forces.

STIHL recommends the use of reduced

kickback bars and low kickback chains.

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VWDQGDUG

Section 5.12 of ANSI standard B 175.1–

1991, sets certain performance and

design criteria related to chainsaw

kickback.

To comply with section 5.12 of ANSI B

175.1-1991:

a) saws with a displacement of less than

3.8 cubic inches

–must, in their original condition,

meet a 45° computer derived

kickback angle when equipped with

certain cutting attachments.

–and must be equipped with at least

two devices to reduce the risk of

kickback injury, such as a chain

brake, low kickback chain, reduced

kickback bar, etc.

b) saws with a displacement of 3.8 cubic

inches and above

–must be equipped with at least one

device designed to reduce the risk

of kickback injury such as a chain

brake, low kickback chain, reduced

kickback bar, etc.

The computer derived angles for saws

below 3.8 cubic inch displacement are

measured by applying a computer

program to test results from a kickback

test machine.

:DUQLQJ

The computer derived angles of § 5.12 of

ANSI B 175.1-1991 may bear no rela-

tionship to actual kickback bar rotation

angles that may occur in real life cutting

situations. Compliance with § 5.12 of

ANSI B 175.1-1991 does not automatic-

ally mean that in a real life kickback the

bar and chain will rotate at most 45°.

:DUQLQJ

In order for powerheads below 3.8 cubic

inch displacement to comply with the

computed kickback angle requirements

of § 5.12 of ANSI B 175.1-1991 use only

the following cutting attachments:

–bar and chain combinations listed as

complying in the “Specifications”

section of the Owner’s Manual or

–other replacement bar and chain

combinations marked in accordance

with the standard for use on the

powerhead or

–replacement chain designated

“low kickback saw chain’’.

See the section on "Low kickback saw

chain and reduced kickback bars"



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STIHL recommends the use of the STIHL

Quickstop chain brake on your power-

head with green labeled reduced kick-

back bars and low kickback chains.

:DUQLQJ

To reduce the risk of injury, stop using

the saw immediately if the chain brake

does not function properly. Take the saw

to your local STIHL Service Centre! Do

not use the saw until the problem has

been rectified (see the section “Chain

Brake”).

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STIHL has developed a chain stopping

system designed to reduce the risk of

injury in certain kickback situations.

It is called a Quickstop chain brake.

The Quickstop is available as standard

equipment on your STIHL chainsaw and

is available for installation on most older

STIHL saws. Ask your dealer to retrofit

your older model saw with a chain brake.

When a kickback occurs, the guide bar

may rotate around the front handle. If the

cutting position is such that the operator’s

left hand is gripping the front handle

behind the hand guard, and if the left

hand rotates around the front handle and

makes a sufficiently forceful contact with

the front hand guard, which is the Quick-

stop activating lever, this contact will

activate the Quickstop. The chain brake

on most new model STIHL chainsaws

can also be activated by inertia. See the

chapter entitled “Chain Brake” of your

Owner’s Manual.

:DUQLQJ

Never operate your chainsaw without a

front hand guard. In a kickback situation

this guard helps protect your left hand or

other parts of your body. In addition,

removal of the hand guard on a saw

equipped with a chain brake will deactivate

the chain brake.

:DUQLQJ

No Quickstop or other chain brake

device prevents kickback. These devices

are designed to reduce the risk of

kickback injury, if activated, in certain

kickback situations. In order for the

Quickstop to reduce the risk of kickback

injury, it must be properly maintained

and in good working order. See the

chapter entitled “Chain Brake” and

“Maintenance, Repair and Storing” of

your Owner’s Manual. In addition, there

must be enough distance between the

bar and the operator to ensure that the

Quickstop has sufficient time to activate

and stop the chain before potential

contact with the operator.

001BA036 LA

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:DUQLQJ

An improperly maintained chain brake

may increase the time needed to stop

the chain after activation, or may not

activate at all.

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Never run the chainsaw above idle

speed for more than 3 seconds when

the chain brake is engaged or the chain

is pinched or otherwise caught in the cut.

Clutch slippage can cause excessive

heat, leading to severe damage of the

motor housing, clutch and oiler compo-

nent and may interfere with the operation

of the chain brake. If clutch slippage in

excess of 3 seconds has occured, allow

the motor housing to cool before pro-

ceeding and check the operation of your

chain brake as described in the chapter

entitled “Chain Brake”. Also make sure

that the chain is not turning at idle speed

(see above “Important Adjustments”).

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NLFNEDFNEDUV

STIHL offers a variety of bars and

chains. STIHL reduced kickback bars

and low kickback chains are designed to

reduce the risk of kickback injury. Other

chains are designed to obtain higher cut-

ting efficiency or sharpening ease but

may result in higher kickback tendency.

STIHL has developed a color code

system to help you identify the STIHL

reduced kickback bars and low kick-

back chains. Cutting attachments with

green warning decals or green labels on

the packaging are designed to reduce

the risk of kickback injury. The matching

of green decaled powerheads under 3.8

cubic inch displacement with green

labeled bars and green labeled chains

gives compliance with the computed

kickback angle requirements of ANSI B

175.1-1991 when the products are in

their original condition. Products with

yellow decals or labels are for users with

extraordinary cutting needs and

experience and specialized training for

dealing with kickback.

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Please ask your STlHL dealer to properly

match your powerhead with the appro-

priate bar/chain combinations to reduce

the risk of kickback injury. Green labeled

bars and chains are recommended for all

powerheads. See your “STIHL Bar and

Chain Information” leaflet for details.

:DUQLQJ

Use of other, non-listed bar/chain combi-

nations may increase kickback forces

and increase the risk of kickback injury.

New bar/chain combinations may be

developed after publication of this litera-

ture, which will, in combination with

certain powerheads, comply with § 5.12

of ANSI B 175.1-1991. Check with your

STIHL dealer for such combinations.

:DUQLQJ

Reduced kickback bars and low kickback

chains do not prevent kickback, but they

are designed to reduce the risk of kick-

back injury. They are available from your

STIHL dealer.

:DUQLQJ

Even if your saw is equipped with a

Quickstop, a reduced kickback bar

and/or low kickback chain, this does not

eliminate the risk of injury by kickback.

Therefore, always observe all safety

precautions to avoid kickback situations.



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Some types of saw chain have specially

designed components to reduce the

force of nose contact kickback. STIHL

has developed low kickback chain for

your powerhead.

“Low kickback saw chain” is a chain

which has met the kickback performance

requirements of § 5.12.2.4 of

ANSI B 175.1-1991 (Safety Require-

ments for Gasoline-Powered Chain-

Saws) when tested on a selected repre-

sentative sample of chainsaws below

3.8 cubic inch displacement specified in

ANSI B 175.1-1991.

:DUQLQJ

There are potential powerhead and bar

combinations with which low kickback

saw chains can be used which have not

been specifically certified to comply with

the 45° computer derived kickback angle

of § 5.12 of ANSI B 175.1-1991.

Some low kickback chains have not

been tested with all powerhead and bar

combinations.

:DUQLQJ

A dull or improperly sharpened chain

may reduce or negate the effects of the

design features intended to reduce

kickback energy. Improper lowering or

sharpening of the depth gauges or

shaping of the cutters may increase the

chance and the potential energy of a

kickback. Always cut with a properly

sharpened chain.

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STIHL green labeled reduced kickback

bars are designed to reduce the risk of

kickback injury when used with STIHL

green labeled low kickback chains.

:DUQLQJ

When used with other, more aggressive

chains, these bars may be less effective

in reducing kickback, and may result in

higher kickback forces.

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:DUQLQJ

Do not mount a bow guide on any

STIHL chainsaw.

Any chainsaw equipped with a bow

guide is potentially very dangerous.

The risk of kickback is increased with a

bow guide because of the increased

kickback contact area. Low kickback

chain will not significantly reduce the risk

of kickback injury when used on a bow

guide.

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The best protection from personal injury

that may result from kickback is to avoid

kickback situations:

1. Hold the chainsaw firmly with both

hands and maintain a secure grip.

2. Be aware of the location of the guide

bar nose at all times.

3. Never let the nose of the guide bar

contact any object. Do not cut limbs

with the nose of the guide bar.

Be especially careful when cutting

small, tough limbs, small size brush

and saplings which may easily catch

the chain.

4Don’t overreach.

5. Don’t cut above shoulder height.

6. Begin cutting and continue at full

throttle.

7. Cut only one log at a time.

8. Use extreme caution when reentering

a previous cut.

9. Do not attempt to plunge cut if you

are not experienced with these

cutting techniques.

10. Be alert for shifting of the log or other

forces that may cause the cut to

close and pinch the chain.

11. Maintain saw chain properly. Cut with

a correctly sharpened, properly

tensioned chain at all times.

12. Stand to the side of the cutting path

of the chainsaw.



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Pull-in occurs when the chain on the

bottom of the bar is suddenly stopped

when it is pinched, caught or encounters

a foreign object in the wood. The reaction

of the chain pulls the saw forward and

may cause the operator to lose control.

Pull-in frequently occurs when the

bumper spike of the saw is not held

securely against the tree or limb and

when the chain is not rotating at full

speed before it contacts the wood.

:DUQLQJ

Use extreme caution when cutting small

size brush and saplings which may easily

catch the chain and pull you off balance.

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1. Always start a cut with the chain

rotating at full speed and the bumper

spike in contact with the wood.

2. Pull-in may also be prevented by using

wedges to open the kerf or cut.

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Pushback occurs when the chain on the

top of the bar is suddenly stopped when

it is pinched, caught or encounters a

foreign object in the wood. The reaction

of the chain drives the saw straight back

toward the operator and may cause loss

of saw control. Pushback frequently

occurs when the top of the bar is used for

cutting.

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1. Be alert to forces or situations that

may cause material to pinch the top

of the chain.

2. Do not cut more than one log at a time.

3. Do not twist the saw when

withdrawing the bar from a plunge

cut or underbuck cut because the

chain can pinch.

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Felling is cutting down a tree.

Before felling a tree, consider carefully all

conditions which may affect the direction

of fall, including:

The intended direction of the fall.

The natural lean of the tree.

Any unusually heavy limb structure.

Surrounding trees and obstacles.

The wind direction and speed.

:DUQLQJ

Always observe the general condition of

the tree. Inexperienced users should

never attempt to cut trees which are

decayed or rotted inside or which are

leaning or otherwise under tension.

There is an increased risk that such trees

could snap or split while being cut and

cause serious or fatal injury to the

operator or bystanders. Also look for

broken or dead branches which could

vibrate loose and fall on the operator.

When felling on a slope, the operator

should stand on the uphill side if

possible.

001BA037 LÄ

001BA038 LÄ

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When felling, maintain a distance of at

least 21/2 tree lengths from the nearest

person.

When felling in the vicinity of roads,

railways and power lines, etc., take extra

precautions. Inform the police, utility

company or railway authority before

beginning to cut.

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The noise of your engine may drown any

warning call.

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There are a number of factors that may

affect and change the intended direction

of fall, e.g. wind, lean of tree, sloping

ground, one-sided limb structure, wood

structure, decay, snow load, etc. To re-

duce the risk of severe or fatal injury to

yourself or others, look for these condi-

tions prior to beginning the cut, and be

alert for a change in direction during fall.

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First clear the tree base and work area

from interfering limbs and brush and

clean its lower portion with an ax.

Then, establish two paths of escape (%)

and remove all obstacles. These paths

should be generally opposite to the plan-

ned direction of the fall of the tree ($)

and about at a 45° angle. Place all

tools and equipment a safe distance away

from the tree, but not on the escape paths.

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If the tree has large buttress roots, cut

into the largest buttress vertically first

(horizontally next) and remove the

resulting piece.

001BA088 LÄ

001BA040 LÄ

001BA041 LÄ

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When making the felling notch, use the

gunning sight on the shroud and housing

to check the required direction of fall:

•Position the saw so that the

gunning sight points exactly in the

direction you want the tree to fall.

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$ felling notch - determines the

direction of the fall

For a conventional cut:

•Properly place felling notch

perpendicular to the Iine of fall,

close to the ground

•Cut down at app. 45-degree angle

to a depth of about 1/5 to 1/4 of the

trunk diameter

•Make second cut horizontal

•Remove resulting 45-degree piece

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direction of the fall

For an open-face cut:

•Properly place felling notch

perpendicular to the Iine of falI,

close to the ground

•Cut down at app. 50-degree angle

to a depth of app.1/5 to 1/4 of the

trunk diameter

•Make second cut from below at

app. 40 degree angle

•Remove resulting 90-degree piece

001BA042 LÄ

001BA019 KN

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•For medium sized or larger trees

make cuts at both sides of the trunk,

•at same height as subsequent

felling cut.

•Cut to no more than width of guide

bar.

This is especially important in soft

wood in summer - it helps prevent

sapwood splintering when the tree

falls.

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Conventional and open-face technique:

•Begin 1 to 2 inches higher than

center of felling notch

•Cut horizontalIy towards the felling

notch

•Leave approx.1/10 of diameter uncut.

This is the hinge

•Do not cut through the hinge –

you could lose control of the

direction of the fall

Drive wedges into the felling cut where

necessary to control the fall.

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If the tip of the bar contacts a wedge,

it may cause kickback. Wedges should

be of wood or plastic – never steel,

which can damage the chain.

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•Helps control the falling tree

•Do not cut through the hinge -

you could lose control of the

direction of the fall

:DUQLQJ

In order to reduce the risk of personal

injury, never stand directly behind the

tree when it is about to fall, since part of

the trunk may split and come back

towards the operator (barber-chairing),

or the tree may jump backwards off the

stump. Always keep to the side of the

falling tree. When the tree starts to fall,

withdraw the bar, shut off the engine and

walk away on the preplanned escape

path. Watch out for falling limbs.

001BA044 LÄ

001BA045 LÄ

001BA043 LÄ



:DUQLQJ

Be extremely careful with partially fallen

trees which are poorly supported.

When the tree hangs or for some other

reason does not fall completely, set the

saw aside and pull the tree down with a

cable winch, block and tackle or tractor.

If you try to cut it down with your saw,

you may be injured.

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Engage the bumper spikes of the chain-

saw directly behind the location of the

intended hinge and pivot the saw around

this point only as far as the hinge. The

bumper spike rolls against the trunk.

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Felling a tree that has a diameter greater

than the length of the guide bar requires

use of either the sectioning felling cut or

plunge-cut method. These methods are

extremely dangerous because they

involve the use of the nose of the guide

bar and can result in kickback. Only

properly trained professionals should

attempt these techniques.

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For the sectioning method make the first

part of the felling cut with the guide bar

fanning in toward the hinge. Then, using

the bumper spike as a pivot, reposition

the saw for the next cut.

Avoid repositioning the saw more than

necessary. When repositioning for the

next cut, keep the guide bar fully engaged

in the kerf to keep the felling cut straight.

If the saw begins to pinch, insert a

wedge to open the cut. On the last cut,

do not cut the hinge.

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Timber having a diameter more than

twice the length of the guide bar requires

the use of the plunge-cut method before

making the felling cut.

001BA048 LÄ

001BA047 LÄ

001BA046 LÄ



First, cut a large, wide felling notch.

Make a plunge cut in the center of the

notch.

The plunge cut is made with the guide

bar nose. Begin the plunge cut by

applying the lower portion of the guide

bar nose to the tree at an angle. Cut until

the depth of the kerf is about the same as

the width of the guide bar. Next, align

the saw in the direction in which the

recess is to be cut.

With the saw at full throttle, insert the

guide bar in the trunk.

Enlarge the plunge cut as shown in

illustration.

:DUQLQJ

There is an extreme danger of kickback

at this point. Extra caution must be taken

to maintain control of the saw. To make

the felling cut, follow the sectioning

method described previously.

If you are inexperienced with a chainsaw,

plunge-cutting should not be attempted.

Seek the help of a professional.

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Limbing is removing the branches from

a fallen tree.

:DUQLQJ

There is an extreme danger of kickback

during the limbing operation. Do not

work with the nose of the bar. Be extremely

cautious and avoid contacting the log or

other limbs with the nose of the guide bar.

Do not stand on a log while limbing it –

you may slip or the log may roll.

Start limbing by leaving the lower limbs to

support the log off the ground. When

underbucking freely hanging limbs,

a pinch may result or the limb may fall,

causing loss of control. If a pinch occurs,

stop the engine and remove the saw,

by lifting the limb.

:DUQLQJ

Be extremely cautious when cutting

limbs or logs under tension (spring poles).

The limbs or logs could spring back

toward the operator and cause loss of

control of the saw and severe or fatal

injury to the operator.

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Bucking is cutting a log into sections.

:DUQLQJV

1. When bucking, do not stand on the

log. Make sure the log will not roll

downhill. If on a slope, stand on the

uphill side of the log.

Watch out for rolling logs.

001BA033 LÄ

001BA089 LÄ



2. Cut only one log at a time.

3. Shattered wood should be cut very

carefully. Sharp slivers of wood

may be caught and flung in the

direction of the operator of the saw.

4. When cutting small logs, place log

through “V” - shaped supports on

top of a sawhorse. Never permit

another person to hold the log.

Never hold the log with your leg or

foot.

5. Logs under strain: Risk of pinching!

Always start relieving cut () at

compression side ($).

Then make bucking cut () at

tension side (%).

If the saw pinches, stop the engine

and remove it from the log.

6. Only properly trained professionals

should work in an area where the

logs, limbs and roots are tangled.

Working in blowdown areas is

extremely hazardous.

7. Drag the logs into a clear area before

cutting. Pull out exposed and cleared

logs first.

0$,17(1$1&(5(3$,5

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Never operate a chainsaw that is

damaged, improperly adjusted or not

completely or securely assembled.

Follow the maintenance and repair

instructions in the appropriate section of

your Owner’s Manual, especially those

in the chapters “Mounting the Bar and

Chain”, “Maintaining and Sharpening”

and “Chain Brake”.

:DUQLQJ

Use only STIHL replacement parts for

maintenance and repair. Use of parts

manufactured by others may cause

serious or fatal injury.

:DUQLQJ

Always stop the engine and ensure that

the chain is stopped before making any

adjustments, maintenance or repair work,

001BA050 LÄ

0DLQWHQDQFHUHSODFHPHQWRUUHSDLU

RIWKHHPLVVLRQFRQWUROGHYLFHVDQG

V\VWHPVPD\EHSHUIRUPHGE\DQ\

QRQURDGHQJLQHUHSDLUHVWDEOLVKPHQW

RULQGLYLGXDO+RZHYHULI\RXFODLP

ZDUUDQW\IRUDFRPSRQHQWZKLFKKDV

QRWEHHQVHUYLFHGRUPDLQWDLQHGSUR

SHUO\RULIQRQDSSURYHGUHSODFHPHQW

SDUWVZHUHXVHG67,+/PD\GHQ\

ZDUUDQW\

001BA051 LÄ



changing the saw chain or cleaning the

saw. Do not attempt any maintenance or

repair work not described in your

Owner’s Manual. Have such work perfor-

med at your STIHL service shop only.

:DUQLQJ

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.

:DUQLQJ

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.

:DUQLQJ

Do not operate your chainsaw 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 saw if the

screen is missing or damaged. Remem-

ber that the risk of forest fires is greater

in hot or dry weather.

Keep the chain, bar and sprocket clean;

replace worn sprockets or chains.

Keep the chain sharp.

You can spot a dull chain when easy-to-

cut wood becomes hard to cut and burn

marks appear on the wood.

Keep the chain at proper tension. Tighten

all nuts, bolts and screws except the

carburetor adjustment screws after each

use.

:DUQLQJ

In order for the chain brake on your

STIHL chainsaw to properly perform its

function of reducing the risk of kickback

and other injuries, it must be properly

maintained. Like an automobile brake,

a chainsaw chain brake incurs wear

each time it is engaged.

The amount of wear will vary depending

upon usage, conditions under which the

saw is used and other factors. Excessive

wear will reduce the effectiveness of the

chain brake and can render it inoperable.

For the proper and effective operation of

the chain brake the brake band and

clutch drum must be kept free of dirt,

grease and other foreign matter which

may reduce friction of the band on the

drum.

For these reasons, each STIHL chain-

saw should be returned to trained

personnel such as your STIHL servicing

dealer for periodic inspection and

servicing of the brake system according

to the following schedule:

Heavy usage - every three months,

Moderate usage - twice a year,

Occasional usage - annually.

The chainsaw should also be returned

immediately for maintenance whenever

the brake system cannot be thoroughly

cleaned or there is a change in its

operating characteristics.

Additionally, the daily maintenance

schedule for your chainsaw set forth in

your STIHL Owner’s Manual should be

strictly followed.

Store chainsaw in a dry place and away

from children. Before storing for longer

than a few days, always empty the fuel

tank (see chapter "Storing the Machine"

in this manual).

For any maintenance please refer to the

maintenance chart DQGWRWKHZDUUDQW\

VWDWHPHQW near the end of this manual.



You can run chains of different pitches

on this chainsaw - depending on the

chain sprocket (see "Specifications")

The chain pitch must match the guide

bar. The drive link gauge must match

the guide bar groove width.

•Unscrew nuts and take off cover

•Turn tensioning screw 

counterclockwise until the peg of

the tensioner slide butts against

left end of housing slot.

•Wear work gloves to protect hands

•Fit the chain - start at the bar nose.

Disengage the chaine brake:

Pull hand guard  toward the front

handle.

Fit the guide bar over the

studs  -

cutting edges on top of bar

must point to right -

and engage the peg

of the tensioner slide in

locating hole -

place the chain over

sprocket at the same time -

0RXQWLQJ

WKH%DUDQG&KDLQ

143BA003 KN

143BA004

644

 

Now turn tensioning screw 

clockwise until there is very little chain

sag on the underside of the bar -

and the drive link tangs are located

in the bar groove.

•Refit the sprocket cover -

and screw on the nuts

only finger-tight.

•Tensioning the chain -

see section

"Tensioning the Saw Chain"

Retensioning during cutting work:

•Shut down the engine and then

slacken the nuts.

•Hold the bar nose up -

•Use screwdriver to turn the

tensioning screw  clockwise

until chain fits snugly against

the underside of the bar.

Tighten down the nuts ILUPO\

A new chain has to be retensioned

more often than one that has been in

use for some time -

check chain tension frequently -

see section "During Operation".

•Now refer to chapter

"Checking Chain Tension"

•Shut down the engine.

•Wear work gloves.

Chain must fit snugly against the

underside of the bar - and, with the

chain brake disengaged, it must still be

possible to pull the chain along the bar

by hand.

•If necessary, retension the chain.

A new chain has to be retensioned

more often than one that has been in

use for some time -

check chain tension frequently -

see section "During Operation".

145BA003 K

143BA007 KN

7HQVLRQLQJWKH6DZ&KDLQ

133BA024 KN

 

)XHO0L[

143BA008 KN

This engine is certified to operate on

unleaded gasoline and oil with the

mix ratio 50:1.

Your two-stroke engine requires a

mixture of brand-name gasoline and

quality two-stroke engine oil with the

FODVVLILFDWLRQ7&

Use regular branded unleaded gasoline

with a minimum octane rating of

90 ROZ (U.S.A./Canada: pump octane

min. 89!). If the octane number of the

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.

The chemical composition of the fuel is

also important. Some fuel additives not

only detrimentally affect elastomers

(carburetor diaphragms, oil seals, fuel

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

branded fuels!

Use only STIHL two-stroke engine oil or

equivalent branded two-stroke air-

cooled engine oils with the classification

TC for mixing.

We recommend STIHL 50:1 two-stroke

engine oil since it is specially formulated

for use in STIHL engines.

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

(see “Safety Precautions”).

The canister should be kept tightly

closed in order to avoid any moisture

getting into the mixture.

The fuel tank and the canister in which

fuel mix is stored should be cleaned

from time to time.

)XHOPL[DJHV

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.

Gaso- Oil (STIHL 50:1 or

line equivalent branded TC oils)

US gal. US fl.oz

1 2.6

2 1/2 6.4

512.8

Dispose empty mixing-oil canisters only

at authorized disposal locations.

Before fueling, clean the fuel filler cap

and the area around it to ensure that no

dirt falls into the tank.

Always thoroughly shake the mixture in

the canister before fueling your machine.

:DUQLQJ

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.

:DUQLQJ

After fueling, tighten fuel cap DV

VHFXUHO\DVSRVVLEOH by hand.

Use a suitable tool (e.g. screwdriver end

of combination wrench) to tighten

slotted fuel caps.

)XHOLQJ

 

143BA009 KN

Change the fuel pick up body every year.

Before storing your machine for a long

period, drain and clean the fuel tank and

run engine until carburetor is dry.

&KDLQOXEULFDQW )LOO&KDLQ2LO7DQN

143BA010 KN

For automatic and reliable lubrication of

the chain and guide bar:

8VHRQO\DTXDOLW\HQYLURQPHQWDOO\

FRPSDWLEOHFKDLQDQGEDUOXEULFDQW

67,+/FKDLQOXEULFDQWZLWKQRQIOLQJ

DGGLWLYHRUWKHUDSLGO\ELRGHJUDGDEOH

67,+/%LRSOXVLVUHFRPPHQGHG

,PSRUWDQWBiological chain oil must be

resistant to aging (e.g. STIHL Bioplus)

since it will otherwise quickly turn to

resin. This results in hard deposits that

are difficult to remove, especially in the

area of the chain drive, clutch and chain.

It may even cause the oil pump to seize.

The service life of the chain and guide

bar depends on the quality of the

lubricant. It is therefore essential to use

only a specially formulated chain

lubricant.

If special chain lubricant is not available,

you may - in an emergency - use an HD

single grade or multigrade engine oil

with a viscosity that suits the prevailing

outside temperature.

:DUQLQJ

Medical studies have shown that

renewed contact with waste oil can

cause skin cancer. Avoid direct contact

with waste oil. If waste oil does get on

your skin, wash with soap and water.

'RQRWXVH waste oil for any purpose,

and dispose of it only at authorized

disposal locations.

•Thoroughly clean the oil filler cap

and the area around it to ensure

that no dirt falls into the tank.

•Refill the chain oil tankevery time

you refuel.

There must still be a small amount of oil

in the oil tank when the fuel tank is

empty.

If the oil tank is still partly full, the reason

may be a problem in the oil supply

system:

Check chain lubrication, clean the

oil passages, contact your STIHL dealer

for assistance if necessary.

 

&KDLQ%UDNH

143BA012 KN

143BA011 KN

/RFNLQJFKDLQZLWKFKDLQEUDNH

- in an emergency

- when starting

- at idling speed.

•The chain is stopped and locked

when the hand guard is pushed

toward the bar nose by the left hand -

or when brake is activated by inertia

in certain kickback situations.

5HOHDVLQJWKHFKDLQEUDNH

•Pull the hand guard back toward

the front handle.

1RWHAlways disengage chain brake

before accelerating engine and before

starting cutting work. The only exception

to this rule is when you check operation

of the chain brake. High revs with the

chain brake engaged (chain locked) will

quickly damage the powerhead and

chain drive (clutch, chain brake).

7KHFKDLQEUDNHLVDOVRDFWLYDWHGE\

WKHLQHUWLDRIWKHIURQWKDQGJXDUG

if the kickback force of the saw is high

enough:

The hand guard is accelerated toward

the bar nose - even if your left hand is

not behind the hand guard, e.g. during

felling cut.

The chain brake will operate only if the

hand guard has not been modified in

any way.

&KHFNRSHUDWLRQRIFKDLQEUDNH

Before starting work: Run engine at

idle speed, engage the chain brake

(push hand guard toward bar nose).

Accelerate up to full throttle for no more

than 3 seconds - the chain must not

rotate. The hand guard must be free of

dirt and move freely.

&KDLQEUDNHPDLQWHQDQFH

The chain brake is subject to normal

wear and tear. It must therefore be

checked and serviced regularly by

trained personnel (e.g. STIHL dealer) at

the following intervals:

Full-time professional

users: every 3 months

Semi-professional

users: every 6 months

Occasional

users: every 12 months

 

7KHIRXUSRVLWLRQV

RIWKH0DVWHU&RQWUROOHYHU

To start the engine, move the lever to

"Cold Start" position -

do not use force.

If the Master Control lever is on

"Run": Press down the throttle trigger

interlock - and move the Master Control

lever downward.

"Cold Start" position: Choke shutter is

closed - throttle trigger is in starting-

throttle position. A cold engine should

be started in this position.

As soon as engine begins to fire,

move the Master Control lever to

"Warm Start" position :

Move the Master Control lever one

notch upward.

"Warm Start" position:

Choke shutter is open -

throttle trigger is in starting-throttle

position

If you leave the Master Control lever

in the "Cold Start" position,

the combustion chamber will flood

and stall the engine.

The Master Control lever must be in

"Warm Start" position to start a warm

engine. Also select this position if engine

has been running but is still cold.

The Master Control lever should not be

forced to "Run" position -

it will move to "Run" as soon as the

throttle trigger is activated.

In the "Warm Start" position, continue

cranking after engine begins to fire.

As soon as the engine runs,

LPPHGLDWHO\ blip the throttle trigger

so that the Master Control lever moves to

"Run" -

idling position -

normal operating position .

7RVKXWGRZQWKHHQJLQH

Move the Master Control lever upward

to "STOP" position :

The stop contact engages the contact

spring - this cuts out the ignition system.

,QIRUPDWLRQ%HIRUH<RX6WDUW

GRQ¶WVWDUWWKHHQJLQH\HW

138BA009 LÄ

138BA010 LÄ

138BA019 LÄ

 

2QO\PDFKLQHVZLWK

GHFRPSUHVVLRQYDOYH

•Press in the button.

Compression pressure is released

when the button is pressed in.

This helps reduce the effort requi-

red to pull the starter rope.

•For this reason the button should

be pressed in before each starting

attempt.

$OOYHUVLRQV

•Observe safety precautions -

see section "Safety Precautions".

•Press throttle trigger interlock 

and set

•Master Control lever to:

For cold start O

For warm startQ

(even if engine has

been running but is still cold)

•Place your saw on the ground -

make sure you have a firm footing -

check that chain is not touching any

object or the ground -

bystanders must be well clear of

general work area of the saw -

•Hold the saw firmly on the ground

with your left hand on the

front handle -

your thumb should be under

the handle -

•put your right foot into the rear

handle and press down.

6WDUWLQJWKH6DZ

133BA001 K

STOP

143BA017 KN

143BA018 KN

 

Alternative method of starting:

•Hold the rear handle tightly

between your legs, just above the

knees.

•Grip the front handle firmly with

your left hand -

your thumb should be under the

handle.

•Pull the starter grip slowly with your

right hand until you feel it engage -

then give the grip a brisk strong pull

and push down the front handle

at the same time -

do not pull out starter rope more

than 70 cm (about 28 in) -

it might otherwise break.

Do not let the starter grip snap back -

guide it slowly into the housing

so that the starter rope can

rewind properly.

If engine is new,

pull starter grip several times

to prime the fuel line.

When engine begins to fire:

•Press the button of the decom-

pression valve -

•Move Master Control lever  toQ

and continue cranking -

DVVRRQDVHQJLQHUXQV

LPPHGLDWHO\ blip the throttle trigger

interlock  and throttle trigger -

the Master Control lever will move

to "Run" position  

and the engine settles down

to idling speed.

As the chain brake is still engaged,

the engine must be returned to idling

speedLPPHGLDWHO\ -

or the clutch might otherwise

be damaged.

143BA019 KN

143BA020 KN

STOP

143BA021 KN

 

•Pull the hand guard back toward

the front handle:

The chain brake is now

disengaged -

your saw is ready for operation.

•Observe safety precautions.

•Always check operation of chain

lubrication before starting work.

6KXWGRZQHQJLQH

•Move Master Control lever to

"Stop" E

Always disengage the chain brake

before opening the throttle. Running the

engine at higher revs with the chain

brake engaged (saw chain at a stand-

still) will quickly damage the engine and

chain drive (clutch, chain brake).

$WYHU\ORZRXWVLGHWHPSHUDWXUHV

$OORZHQJLQHWRZDUPXS

As soon as the engine runs:

•Blip the throttle trigger

to disengage it from starting throttle

position -

Master Control lever will move

to normal operating position -

engine settles down to idling speed.

•Disengage chain brake:

Pull hand guard toward front handle -

as shown in illustration -

•Open throttle slightly -

warm up engine for short period.

•Change over to winter operation

if necessary -

see section "Winter Operation".

,IHQJLQHGRHVQ¶WVWDUW

If you did not move the Master Control

lever to "Warm Start"Q

quickly enough after the engine began

to fire, the combustion chamber has

flooded.

•Set the Master Control lever 

toO -

•Turn the twist lock above the

rear handle 90° counterclockwise

•Lift off the carburator box cover

vertically,

•Clean away loose dirt from around

filter.

143BA012 KN

138BA001K

 

•Pull off the spark plug terminal -

•Take out screw and remove the

shroud -

•Unscrew and dry off the spark plug -

•Set the Master Control lever toE

•Crank the engine several times

with the starter

to clear the combustion chamber -

•Refit the spark plug and connect

the spark plug terminal -

reassemble all other parts

•Set Master Control lever

to "Warm Start" Q

even if engine is cold -

•Press the button of the decom-

pression valve -

•Now start the engine.

Fuel tank run until dry

and then refueled

•Press the button of the decom-

pression valve -

•Pull starter rope several times until

fuel line is primed.

The saw chain must always throw off

a small amount of oil.

•Never operate your saw without

chain lubrication. If the chain is run

dry the whole cutting attachment

will be irretrievably damaged within

a very short time.

Always check chain lubrication and

oil level in tank before starting work.

•Every new chain has to be broken

in for about 2 to 3 minutes.

•After breaking in chain,

check chain tension

and adjust if necessary -

see section

"Checking chain tension".

Different quantities of oil are required for

different bar lengths, types of wood and

cutting techniques.

Use the adjusting screw () to vary the

oil feed rate as required.

•Most economic setting -

turn adjusting screw to "("

((matic position).

•To increase oil feed -

turn adjusting screw clockwise.

•To reduce oil feed -

turn adjusting screw counter-

clockwise.

Your chain must always be wetted with

a film of lubricant.

&KHFNLQJ&KDLQ/XEULFDWLRQ

143BA024 KN

2LO4XDQWLW\

&RQWURO

145BA011 K

 

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.

As all moving parts have to bed in

during the break-in period, the frictional

resistances in the engine are greater

during this period. The engine develops

its maximum power after about 5 to 15

tank fillings.

'RQRWPDNHWKHPL[WXUHOHDQHUWR

DFKLHYHDQDSSDUHQWLQFUHDVHLQ

SRZHUWKLVFRXOGGDPDJHWKHHQJLQH

VHHVHFWLRQ$GMXVWLQJ&DUEXUHWRU

,PSRUWDQW

Always disengage the chain brake

before opening the throttle. Running the

engine at higher revs with the chain

brake engaged (saw chain at a stand-

still) will quickly damage the engine and

chain drive (clutch, chain brake).

Check chain tension frequently.

A new chain has to be retensioned more

often than one that has been in use for

some time.

&KDLQFROG

Tension is correct when chain fits snugly

against the underside of the bar and can

still be pulled along the bar by hand.

Retension if necessary -

see section "Tensioning the Saw Chain".

&KDLQDWRSHUDWLQJWHPSHUDWXUH

The chain stretches and begins to sag.

The drive links must not come out of the

bar groove - the chain may otherwise

jump off the bar.

Retension the chain -

see section "Tensioning the Saw Chain".

Always slacken off the chain after

finishing work.

The chain contracts as it cools down.

If it is not slackened off, it can damage

the crankshaft and bearings.

$IWHUORQJSHULRG

RIIXOOWKURWWOHRSHUDWLRQ

Allow engine to run for a short while

at idling speed so that engine heat can

be dissipated by flow of cooling air.

This protects engine-mounted compo-

nents (ignition, carburetor) from ther-

mal overload.

6ODFNHQRIIWKHFKDLQ

if you have retensioned it at operating

temperature during cutting work.

The chain contracts as it cools down.

If it is not slackened off, it could damage

the crankshaft and bearings.

%HIRUHVWRULQJ\RXUVDZ

IRUDORQJSHULRG

•Drain and clean the fuel tank

•Run engine until carburetor is dry

'XULQJ2SHUDWLRQ

'XULQJ%UHDNLQ3HULRG $IWHU)LQLVKLQJ:RUN

 

Different air filters may be installed to

adapt the machine to the prevailing

operating conditions:

)DEULFILOWHUfor normal cutting

conditions and winter operation.

)OHHFHILOWHU for occasional use in dry

and very dusty work areas.

&OHDQWKHDLUILOWHU

ZKHQWKHUHLVDQRWLFHDEOHORVVRI

HQJLQHSRZHU

•Set the Master Control lever

toO

•Turn the twist lock  above the

rear handle 90° counterclockwise.

•Lift off the carburetor box cover 

vertically.

•Clean away loose dirt from around

filter.

•Unscrew the slotted nuts .

•Remove the filter.

•Separate the two halves of the filter.

•Take the foam element  out of

the front half of the filter  and

clean or replace it.

•Knock out both elements or blow

out with compressed air from the

inside outward.

In case of stubborn dirt:

•Wash the filter elements in STIHL

universal cleaner or in a fresh, non-

flammable cleaning solution (e.g.

warm soapy water). Dry all parts.

1HYHUXVHDEUXVKWRFOHDQWKHIOHHFH

ILOWHU

•Always replace a damaged filter

element.

•Reinstall the filter.

$LU)LOWHU6\VWHP

138BA002K

138BA003K

Dirty air filters reduce engine power,

increase fuel consumption and make

starting more difficult.

 

$WWHPSHUDWXUHVEHORZ&) -

SUHKHDWFDUEXUHWRU

•Turn the twist lock above the rear

handle 90° counterclockwise -

•Lift off the carburator box cover

vertically -

3U\WKHVKXWWHU out of the carburator

box cover (summer position) and slide it

into the slot  (winter position)

$WWHPSHUDWXUHVDERYH&)

UHWXUQVKXWWHUWRVXPPHUSRVLWLRQ

7KLVLVHVVHQWLDOWRDYRLGHQJLQH

UXQQLQJSUREOHPVDQGRYHUKHDWLQJ

Refit the filter and carburetor box cover

and secure it with the twist lock:

Heated air is now drawn in from around

the cylinder and mixed with cold air -

this prevents carburetor icing.

:LQWHU2SHUDWLRQ

138BA006K

138BA007K

138BA005K

 

$WWHPSHUDWXUHVEHORZ&)

It is advisable to fit the optional intake

air preheating kit if you use your saw in

extremely cold conditions (temperatures

below -10 °C /+14 °F, in powder or

drifting snow).

When fitted, the kit ensures that only

heated air is drawn in from around the

cylinder -

it prevents air filter and carburetor icing.

The rotary shutter for carburetor

preheating must be IXOO\RSHQ

when the intake air preheating kit is fitted.

If your saw is very cold (frost or ice on

machine), start the engine and keep it

at a high idle speed (with chain brake

disengaged) until it reaches normal

operating temperature.

The air filter may load up faster when

you use intake air preheating -

clean it more frequently.

In the event of engine running problems,

first check that conditions for use

of intake air preheating still apply.

*Special accessory

Switching on electric handle heating*

•Move switch on front handle to ,

Move switch back to 

to switch off heating.

There is no risk of overheating

during long periods of operation.

The whole heating system is

maintenance-free.

*Special accessory

•7XUQWKHEDURYHU

every time you sharpen the chain -

and every time you replace the

chain -

this avoids one-sided wear,

especially at nose and underside of

the bar.

5HJXODUO\FOHDQ

 oil inlet hole

 oilway

 bar groove.

138BA012 LÄ

143BA026 KN

7DNLQJ&DUHRI*XLGH%DU

 

•0HDVXUHJURRYHGHSWK

with scale on filing gauge * -

at nose of Duromatic bars -

in area used most for cutting

on Rollomatic bars -

Chain type Pitch minimum

groove depth

Rapid 3/8" 6.0 mm (0.24")

* Special accessory

If groove depth is less than specified:

5HSODFHWKHJXLGHEDU

The drive link tangs will otherwises

crape along the bottom of the groove -

the cutters and tie straps will not ride

on the bar rails.

$GMXVWLQJ&DUEXUHWRU

31/

138BA020 KN

0RWRUPDQDJHPHQW

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.

The carburetor is set at the factory to

provide an optimum fuel-air mixture

under all operating conditions.

It enables your machine to run smoothly,

be fuel efficient, operate reliably and

produce low emissions.

6WDQGDUGVHWWLQJDQGH[SODQDWLRQRI

VHWWLQJSLFWRJUDPV

•Check the air filter and clean or

replace it if necessary

•Check the spark arresting screen

and clean or replace it if necessary

Turn the high speed adjusting

screw + counterclockwise up to

the stop, i.e. 3/4 turn from max.

lean setting

Turn the low speed adjusting

screw / clockwise up to the stop

- then back off the screw one

quarter of a turn

&RUUHFWLRQRIFDUEXUHWRUVHWWLQJIRU

KLJKHUDOWLWXGHV

If the engine runs unsatisfactorily, slight

readjustment may be necessary:

•Check standard setting

•warm up the engine

Turn the high speed adjusting

screw + and low speed adjusting

screw / clockwise (leaner) -

:DUQLQJ

If you make the setting too lean, the

maximum permissible engine speed will

be exceeded - risk of engine damage.

 

If engine is down on power, check the

spark arresting screen in the muffler:

•Allow muffler to cool down.

•Take out the four screws.

•Remove the muffler upper

casing .

•Bend back the retaining tabs .

•Pull out the spark arresting screen

.

•Clean spark arresting screen if

necessary. If screen is damaged or

coked up, fit a new one.

•Refit the spark arresting screen in

the reverse sequence.

6HWWLQJLGOHVSHHG

It is usually necessary to change the

setting of the idle speed adjusting screw

/$ after every correction to the low

speed adjusting screw /.

(QJLQHVWRSVZKLOHLGOLQJ

•Turn the idle speed adjusting

screw /$ clockwise until

chain begins to run -

then back off the screw one quarter

of a turn

&KDLQUXQVZKHQHQJLQHLVLGOLQJ

•Turn the idle speed adjusting

screw /$ counterclockwise until

chain stops running -

then turn screw another

quarter turn in the same direction

(UUDWLFLGOLQJEHKDYLRU

SRRUDFFHOHUDWLRQ

Idle setting is too lean

•Turn the low speed adjusting

screw / counterclockwise -

no further than stop -

until engine runs and accelerates

smoothly -

&KHFNLQJ6SDUN3OXJ

Wrong fuel mix (too much engine oil in

the gasoline), a dirty air filter and

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.

If engine is down on power, difficult to

start or runs poorly at idling speed,

first check the spark plug.

•Remove spark plug -

see chapter “Starting”:

•Clean dirty spark plug.

•Check electrode gap -

it should be 0.5mm/0.02" $ -

readjust if necessary.

•Use only resistor type spark plugs

of the approved range.

Rectify problems which have caused

fouling of spark plug:

Incorrect carburetor setting, too much oil

in fuel mix, dirty air filter,

unfavorable running conditions, e.g.

operating at part load.

000BA039 KN

6SDUN$UUHVWLQJ6FUHHQLQ

0XIIOHU

145BA043 KN

145BA044 KN

 

•Remove four screws -

•push the hand guard upward -

•pull underside of fan housing away

from crankcase

and remove it downward

•Use a screwdriver to pry the rope

out of the starter grip.

•Remove remaining rope from the

rotor and starter grip.

138BA017 LÄ

5HSODFLQJ6WDUWHU5RSHDQG

5HZLQG6SULQJ

001BA002 KN

000BA036 TR

•Fit a new spark plug after

approx. 100 operating hours -

or earlier if the electrodes are

badly eroded.

:DUQLQJ

To reduce the risk of fire and burn injury,

use only spark plugs authorized by

STIHL (see “Specifications”). 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.

 

•Use a screwdriver to pry the rope

out of the starter grip.

•Remove remaining rope from the

rotor and starter grip.

•Thread the new rope -

Part No. 1122 190 2900 -

through the top of the starter grip

and then pull through the rope

guide bush .

Thread the rope through the rotor

and secure it with a simple overhand

knot.

•Coat rope rotor bearing bore with

non-resinous oil.

•Slide rotor onto starter post -

turn it back and forth so that anchor

loop of rewind spring engages -

•Refit the pawls in the rotor -

•Fit the washer  on the starter post

•Use screwdriver or suitable pliers

to install spring clip on starter

post and over the pawl pegs -

the spring clip must point in

clockwise direction -

see illustration.

001BA004 K

001BA005 K

001BA003 K

 

7HQVLRQLQJUHZLQGVSULQJ

•Make a loop in the unwound starter

rope and use it to turn the rope

rotor six full revolutions in the

direction of the arrow.

•Hold the rotor steady -

straighten the twisted rope -

•Release the rotor -

•Let go of rope slowly so that it

winds onto the rotor.

•The starter grip must sit firmly in the

rope guide bush. If the grip drops to

one side: Increase spring tension

by one additional turn.

•When starter rope is fully extended

it must be possible to rotate the

rotor at least another half turn. If

this is not possible, the spring is

over-tensioned and could break.

Take off one turn of the rope.

•Fit the fan housing on the crank-

case.

•Set the Master Control lever to E

•Push the remaining rope into the

starter grip so that the nipple 

is flush with the grip.

5HSODFLQJDEURNHQ

UHZLQGVSULQJ

•Lubricate the new spring with a few

drops of non-resinous oil.

•Remove the rope rotor-

see "Replacing Starter Rope".

•Remove the spring housing and

parts of spring.

•Fit the new spring housing -

bottom plate must face upward -

slip outer spring loop over lug -

•Reinstall the rope rotor, tension the

rewind spring, fit the fan housing

and secure in position.

•If the spring pops out of its housing

during installation: refit it in the

counterclockwise direction, starting

outside and working inward.

001BA006 K

001BA007 K

 

5HSODFHWKHFKDLQVSURFNHW

DIWHUXVLQJWZR2LORPDWLFFKDLQV

- or even sooner if the wear marks

on the sprocket are deeper than approx.

0.5 mm (1/64") since this would reduce

the life of the chain.

Check wear marks:

Left: on webs of rim sprockets

Right: on teeth of spur sprockets.

You can use gauge * 0000 893 4101

to check the depth of the wear marks

on spur and rim sprockets.

*Special accessory

It is best to use two chains in rotation

with one sprocket.

%HIRUHUHPRYLQJFKDLQVSURFNHW

•Remove chain sprocket cover,

chain and guide bar.

•Disengage the chain brake:

Pull hand guard toward front handle

5LPVSURFNHW

Use a screwdriver to

•remove the E-clip.

•Take off the washer and rim

sprocket.

Examine splines on clutch drum -

if wear marks are severe,

fit a new clutch drum:

Pull clutch drum and needle cage

off the crankshaft -

clean the crankshaft stub

and needle cage,

and lubricate with STIHL grease

(tube 0781 120 1111).

Reassemble with new rim sprocket

and new clutch drum,

if necessary -

•fit rim sprocket

with cavities facing outward -

•refit washer and

•E-clip on the crankshaft.

Use only original STIHL clutch

drums to ensure correct operation

of the chain brake.

6SXUVSURFNHW

•Use a screwdriver to remove the

E-clip.

•Pull washer, spur sprocket and

needle cage off the crankshaft.

•Clean the crankshaft stub

and needle cage, and lubricate with

STIHL grease

(tube 0781 120 1111).

•Reassemble with new spur

sprocket -

After fitting the clutch drum,

rotate it about one half turn

to engage oil pump drive.

Refit washer and E-clip on the

crankshaft.

Use only original STIHL chain

sprockets to ensure correct

operation of the chain brake.

&KHFNLQJDQG5HSODFLQJ

&KDLQ6SURFNHW

 

&RUUHFWO\VKDUSHQHGFKDLQ

A properly sharpened chain slices

through wood effortlessly and requires

very little feed pressure.

Do not work with a dull or damaged

chain as it will increase the physical

effort required, produce unsatisfactory

results and a higher rate of wear.

&OHDQDQGFKHFN\RXUFKDLQ

for cracks in the links and damaged

rivets -

replace any damaged or worn parts of

the chain and match the new parts to the

shape and size of the original parts.

,PSRUWDQW It is absolutely imperative to

comply with the angles and dimensions

specified below. If the VDZFKDLQLV

LQFRUUHFWO\VKDUSHQHG - and in

particular if the depth gauge is set too

low - there is a risk of increased

kickback of the chainsaw, with resulting

GDQJHURILQMXU\.

6HOHFWWKHDSSURSULDWHVKDUSHQLQJ

WRROVIRUWKHFKDLQSLWFK.

See “Technical Data” for the permitted

chain pitches.

The chain pitch (e.g. 3/8) is marked on

the depth gauge side of each cutter.

8VHRQO\VSHFLDOVDZFKDLQILOHV

Other files have the wrong shape and

cut.

Select file diameter according to chain

pitch - see table at the end of this

chapter.

You must observe certain angles when

resharpening the chain cutters

$ Filing angle

% Side plate angle

Chain type Angle (°)

Rapid-Micro (RM) 30 85

Rapid-Super (RS) 30 60

Picco-Micro (PM/PMN) 30 85

Cutter shapes:

Micro = Semi-chisel

Super = Full chisel

6SHFLILHGDQJOHV$DQG%DUH

REWDLQHGDXWRPDWLFDOO\LIUHFRPPHQ

GHGILOHVRUVKDUSHQLQJWRROVDQG

FRUUHFWVHWWLQJVDUHXVHG

Furthermore, the angles must be the

same on all cutters.

If angles are uneven:

Chain will run roughly, not in a straight

line, wear quickly and finally break.

0DLQWDLQLQJDQG

6KDUSHQLQJ6DZ&KDLQ

689BA021 KN

3/8

689BA020 KN



As these requirements can be met only

after sufficient and constant practice:

8VHDILOHKROGHU*

A file holder must be used for manual

resharpening of Super chain. The correct

filing angle is marked on the file holder.

)RUFKHFNLQJDQJOHV

STlHL filing gauge* (see table)

A universal tool for checking the filing

and side plate angles, depth gauge

setting and cutter length. Also cleans the

guide bar groove and oil inlet hole.

)LOHFRUUHFWO\

•If you use a file holder or the FG 1:

Leave the chain on the bar.

•Clamp the bar in a vise if necessary.

•Lock the chain - push hand guard

forward

•To rotate the chain - pull hand

guard against front handle

•Sharpen chain frequently, take

away as little metal as possible -

two or three strokes of the file are

usually enough

•Always file from the inside to the

outside of the cutter.

•The file only sharpens on the

forward stroke -

lift the file off the cutter on the back-

stroke.

•Hold the file KRUL]RQWDOO\ for all

chain types (at right angle to side of

guide bar) and file according to the

angles marked on the filing tool.

•Avoid touching the tie straps and

drive links with the file.

•Rotate the file at regular intervals

while filing -

this avoids one-sided wear.

•Use a piece of hardwood to remove

burrs from cutting edge.

•Check angles with the filing gauge.

$OOFXWWHUVPXVWEHWKHVDPHOHQJWK

If the cutters are not the same length,

they will have different heights. This

makes the chain run roughly and can

cause it to break.

Find the shortest cutter and then file all

other cutters back to the same length.

This can be very time consuming - it is

best to have it done in the workshop on

an electric grinder.

* Special accessory

90°

689BA018 KN

689BA025 KN

90°

60°

85°70°80°

0°

35°

10°

30°

689BA022 KN



'HSWKJDXJHVHWWLQJ

The depth gauge determines the height

at which the cutter enters the wood and

thus the thickness of the chip removed.

Distance between depth gauge and

cutting edge = D

Chain Depth gauge

pitch distance “D”

Inch (mm) mm (Inch)

1/4 (6.35) 0.65 (0.026)

3/8-PM (9.32) 0.65 (0.018)

3/8-PMN (9.32) 0.45 (0.026)

0.325 (8.25) 0.65 (0.026)

3/8 (9.32) 0.65 (0.026)

0.404 (10.26) 0.80 (0.031)

This setting may be increased by 0.2 mm

(0.008") for cutting softwood in mild

weather season - no frost.

/RZHULQJGHSWKJDXJHV

The depth gauge setting is reduced

when the chain is sharpened. Use filing

gauge to check the setting every time

you sharpen the chain and, if necessary,

lower the depth gauge with a flat or

triangular file so that it is level with the

filing gauge.

Round off depth gauges parallel to the

stamped marking.

$IWHUVKDUSHQLQJ

Clean the chain thoroughly, remove

filings or grinding dust - lubricate the

chain by immersing it in an oil bath.

%HIRUHORQJRXWRIVHUYLFHSHULRG

Clean the chain with a brush and

immerse it in an oil bath.

689BA024 KN

689BA023 KN

6KDUSHQLQJWRROV

Chain pitch Round file ØRound file File holder Filing gauge Flat file Sharpening kit*

Inch (mm) mm (Inch) Part No. Part No. Part No. Part No. Part No.

1/4 (6.35) 4.0 (5/32) 5605 772 4006 5605 750 4327 1110 893 4000 0814 353 3356 5605 007 1027

3/8 PMN (9.32) 4.0 (5/32) 5605 772 4006 5605 750 4327 0000 893 4000 0814 353 3356 5605 007 1026

3/8 P (9.32) 4.0 (5/32) 5605 772 4006 5605 750 4327 1110 893 4000 0814 353 3356 5605 007 1027

0.325 (8.25) 4.8 (3/16) 5605 772 4806 5605 750 4328 1110 893 4000 0814 353 3356 5605 007 1028

3/8 (9.32) 5.2 (13/64) 5605 772 5206 5605 750 4329 1110 893 4000 0814 353 3356 5605 007 1029

0.404 (10.26) 5.5 (7/32) 5605 772 5506 5605 750 4330 1106 893 4000 0814 353 3356 5605 007 1030

* consisting of file holder with round file, flat file and filing gauge.



Please note that the following maintenance intervals apply for normal operating

conditions only. If your daily working time is longer than normal or cutting conditions are difficult

(very dusty work area tropical wood etc.) shorten the specified intervals accordingly.

before

starting work

after finishing

work or daily

after each

refueling stop

weekly

monthly

if faulty

if damaged

as required

see page:

Complete machine Visual inspection (condition leaks) xx

Clean x

Throttle trigger , trigger interlock,

Master Control Check operation xx

Chain brake Check operation xx 29

Check by STIHL dealer x

Filter in fuel tank

Check x27

Clean, Replace filter element x

Replace pick-up body x

Fuel tank Clean x27

Chain oil tank Clean x

Chain lubrication Check x28

Saw chain

Inspect, also check sharpness xx 45

Check chain tension xx 26

Sharpen x45

Guide bar

Check (wear, damage) x38

Clean and turn over xx

Deburr x

Replace xx

Chain sprocket Check x44

Air filter Clean xx36

Replace x

Cooling inlets Clean x

Cylinder fins Clean x

Carburetor Check idle adjustment – chain must not turn xx 39

Readjust idle x

Spark plug Readjust electrode gap x40

All accessible screws and nuts

(not adjusting screws) Retighten x

Rubber vibration buffers Have replaced by STIHL dealer x

Spark arrestor screen in muffler Inspect x40

Clean or replace xx 40

Chain catcher Check x

Replace x

* Tighten down the cylinder base screws firmly after the first 10 to 20 hours of operation

0DLQWHQDQFH&KDUW

 

6SHFLILFDWLRQV

(QJLQH

STIHL single cylinder two-stroke engine

Displacement: 61.5 cm3 (3.75 cu.in)

Bore: 48 mm (1.89 in)

Stroke: 34 mm (1.34 in)

Idle speed: 2,500 r.p.m.

Maximum engine

speed

(cut-off speed): 13,500 rpm

,JQLWLRQ6\VWHP

Type:

Electronic magneto ignition (breakerless)

Ignition timing:

1.9 - 2.5 mm (0.075 - 0.1 in) B.T.D.C.

at 8,000 r.p.m.

Spark plug (suppressed):

Bosch WSR 6 F or NGK BPMR 7 A;

Electrode gap 0.5 mm (0.02 in)

Spark plug thread M 14x1.25,

9.5 mm (0.37 in) long

)XHO2LO6\VWHP

Carburetor:

All position diaphragm carburetor

with integral fuel pump

Air filter:

Prefilter and bisectional box filter

Fuel tank capacitiy:

0.625 l (1.32 US pt)

Fuel mixture: see chapter "Fuel"

Chain lubrication:

Fully automatic, speed-controlled

reciprocating oil pump.

Additional manual oil flow control

Oil tank capacity:

0.32 l (0.68 US pt)

:HLJKW

without bar and chain

5.7 kg (12.6 lb)

&XWWLQJ$WWDFKPHQW

Recommended cutting attachments

for compliance with § 5.12 of ANSI

Standard B 175.1-1991

(see page 11 of this Manual):

STIHL reduced kickback bar

(with green label):

for 0.325" and 3/8" pitch:

Rollomatic with sprocket nose

40, 45 or 50 cm (16, 18 or 20 in)

STIHL low kickback chain*

(with green label):

8.25 mm (0.325") Rapid-Micro 2

(26 RM 2)

9.32 mm (3/8") Rapid-Micro 2

(33 RM 2, 36 RM 2)

Chain sprocket:

8-tooth for 0.325" pitch or

7-tooth for 3/8" pitch

Since new bar/chain combinations may

be developed after publication of this

Manual, ask your STIHL dealer for the

latest STIHL recommendations.

Other bars and chains available for this

powerhead are:

STIHL yellow-labeled bars:

for 0.325" and 3/8" pitch:

Rollomatic "S" with sprocket nose

40, 45, 50 cm (16, 18, 20 in)

60 cm (24 in) 3/8" pitch only

Duromatic with stellite tipped nose

40, 45, 50 cm (16, 18, 20 in)

60 cm (24 in) 3/8" pitch only

STIHL yellow -labeled chains:

for 0.325" pitch:

Rapid-Super (26 RS),

Rapid-Micro (26 RM)

for 3/8" pitch:

Rapid-Micro (33 RM, 36 RM),

Rapid-Super (33 RS, 36 RS, 33 RSL,

Rapid-Duro 33 RD).

In order to comply with the kickback

performance requirements of § 5.12

of ANSI Standard B 175.1-1991,

do not use replacement saw chain

unless it has been designated as

meeting the ANSI § 5.12 requirements

on this specific powerhead, or has

been designated as "low kickback"

saw chain* in accordance with the

ANSI B 175.1-1991 standard.

*See definition of "low kickback chain"

on page 15 of this Manual.

 

Model

Machine number

Guide bar part number

Chain part number

Sprocket part number

2UGHULQJ6SDUH3DUWV

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Please enter your saw model, machine

number as well as the part numbers of

the guide bar, saw chain and chain

sprocket in the spaces provided.

This will make re-ordering simpler.

The guide bar, saw chain and chain

sprocket are subject to normal wear

and tear.

When purchasing these parts, always

quote the saw model, the part numbers

and names of the parts.

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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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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.

For periods of about 3 months or longer:

•Drain and clean the fuel tank in a

well ventilated area.

•Run engine until carburetor is dry -

this helps prevent the carburetor

diaphragms sticking together.

•Remove the saw chain and guide

bar, clean them and protect

with corrosion inhibiting oil.

•Thoroughly clean the machine -

pay special attention to the

cylinder fins and air filter.

•If you use a biological chain and

bar lubricant, e.g. STIHL Bioplus,

completely fill the chain oil tank.

•Store the machine in a dry and high

or locked location - out of the

reach of children and other

unauthorized persons.

 

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The U.S. Environmental Protection

Agency (EPA) and STIHL Incorporated

are pleased to explain the Emission

Control System Warranty on your equip-

ment type engine. In the U.S. 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.

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.

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.

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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In the U.S., 1997 and later model year

small off-road equipment engines are

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.

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As the small off-road equipment engine

owner, you are responsible for the

performance of the required mainte-

nance listed in your owner’s manual.

STIHL Incorporated recommends that

you retain all receipts covering mainte-

nance 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

performance of all scheduled mainte-

nance.

Any replacement part or service that is

equivalent in performance and durability

may be used in non-warranty mainte-

nance or repairs, and shall not reduce

the warranty obligations of the engine

manufacturer.

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 mainte-

nance or unapproved modifications.

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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STIHL Incorporated warrants to the

ultimate purchaser and each subse-

quent 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.

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The warranty period 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

scheduled for replacement as required

maintenance, or which is scheduled only

for regular inspection to the effect of

"repair or replace as necessary" will be

warranted for the warranty period. Any

warranted part which is scheduled for

replacement as required maintenance

will be warranted for the period of time

up to the first scheduled replacement

point for that part.

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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

Incorporated will charge you for the cost

of the emission test.

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.

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STIHL Incorporated shall remedy

warranty 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 maintenance 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 following list specifically defines the

emission-related warranted parts:

Carburetor

Choke (Cold start enrichment system)

Intake manifold

Air filter

Spark plug

Magneto or electronic ignition system

(ignition module)

Catalytic converter (if applicable)

Fasteners

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Bring the product to any authorized

STIHL servicing dealer and present the

signed warranty card.

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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.

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This Emission Control Systems Warranty

shall not cover any of the following:

- repair or replacement required

because of misuse, neglect or lack of

required maintenance,

- 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,

and

- replacement of parts and other

services and adjustments necessary

for required maintenance at and after

the first scheduled replacement point.

 

4. Use caution when handling fuel.

Move the chainsaw at least

10 feet (3 m) from the fueling

point before starting the engine.

5. Do not allow other persons to

be near the chainsaw when

starting or cutting with the

chainsaw. Keep bystanders

and animals out of the work

area.

6. Do not start cutting until you

have a clear work area, secure

footing, and a planned retreat

path from the falling tree.

7. Keep all parts of your body

away from the saw chain when

the engine is running.

8. Before you start the engine,

make sure that the saw chain

is not contacting anything.

9. Carry the chainsaw with the

engine stopped, the guide bar

and saw chain to the rear, and

the muffler away from your

body.

10. Do not operate a chainsaw that

is damaged, improperly

adjusted, or not completely and

securely assembled. Be sure

that the saw chain stops

moving when the throttle trigger

is released.

11. Shut off the engine before

setting the chainsaw down.

12. Use extreme caution when

cutting small size brush and

saplings because slender mate-

rial may catch the saw chain

and be whipped toward you or

pull you off balance.

13. When cutting a limb that is

under tension be alert for

springback so that you will not

be struck when the tension in

the wood fibers is released.

14. Keep the handles dry, clean,

and free of oil or fuel mixture.

15. Operate the chainsaw only in

well-ventilated areas.

16. Do not operate a chainsaw in a

tree unless you have been

specifically trained to do so.

17. All chainsaw service, other than

the items listed in the Owner’s

Manual maintenance instruc-

tions, should be performed by

competent chainsaw service

personnel.

(For example, if improper tools

are used to remove the

flywheel or if an improper tool

is used to hold the flywheel in

order to remove the clutch,

structural damage to the

flywheel could occur and could

be subsequently cause the

flywheel to burst).

18. When transporting your chain-

saw, use the appropriate chain

guard (scabbard).

Other important safety precautions

are contained in the body of the

Owner’s Manual.

1RWH

When using a chainsaw for logging

purposes, refer to the Code of

Federal Regulations, Parts 1910

and 1928.

Continuation of Important Safety Precautions

Stihl 036 Manual

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