STIHL MS 194 T Instruction Manual

English

Contents

9.1 Selecting the Correct Starting Procedure . . . . . . . . . . . 19

1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
9.2 Preparing Engine for Start. . . . . . . . . . . . . . . . . . . . . . . . . . 20
2 Guide to Using this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . 2 9.3 Starting the Engine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Translation of Original Instruction

2.1 Symbols used with warnings in the text . . . . . . . . . . . . . . 2 9.4 Stopping the engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.2 Symbols in Text . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
10 Checking the Saw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 10.1 Checking the Chain Sprocket . . . . . . . . . . . . . . . . . . . . . . 21
3.1 Chainsaw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 10.2 Checking the Guide Bar. . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.2 Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 10.3 Checking the Saw Chain . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 10.4 Testing the Chain Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Manual

4.1 Warning Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 10.5 Checking the Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

4.2 Intended Use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 10.6 Checking Chain Lubrication . . . . . . . . . . . . . . . . . . . . . . . . 23
4.3 The Operator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 11 Operating the Saw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Printing inks contain vegetable oils, paper can be recycled.

4.4 Clothing and Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 11.1 Adjusting Carburetor for Operation at High
4.5 Work Area and Surroundings . . . . . . . . . . . . . . . . . . . . . . . . 7 Altitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.6 Safe Condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 11.2 Adjusting Carburetor for Cutting at Temperatures
4.7 Fuel Mixture and Refueling . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Below –10°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.8 Working . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 11.3 Holding and Controlling the Chainsaw. . . . . . . . . . . . . . 24
4.9 Reactive Forces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 11.4 Cutting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
11.5 Limbing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Printed on chlorine-free paper

4.10 Transporting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.11 Storing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 11.6 Felling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4.12 Cleaning, Maintenance and Repairs . . . . . . . . . . . . . . . . 14 12 After Finishing Work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
5 Preparing the Saw for Operation . . . . . . . . . . . . . . . . . . . 14 12.1 After Finishing Work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
5.1 Preparing the Saw for Operation . . . . . . . . . . . . . . . . . . . 14 13 Transporting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6 Assembling the Saw. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 13.1 Transporting the Chainsaw. . . . . . . . . . . . . . . . . . . . . . . . . 27
6.1 Mounting and Removing the Bar and Chain. . . . . . . . . 14 14 Storing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.2 Tensioning the Saw Chain. . . . . . . . . . . . . . . . . . . . . . . . . . 16 14.1 Storing the Chainsaw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.3 Filling Up with Chain Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
15 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
7 Engaging and Disengaging the Chain Brake . . . . . . . . 17 15.1 Cleaning the Saw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
© ANDREAS STIHL AG & Co. KG 2020

7.1 Engaging the Chain Brake. . . . . . . . . . . . . . . . . . . . . . . . . . 17 15.2 Cleaning the Bar and Chain . . . . . . . . . . . . . . . . . . . . . . . . 28
7.2 Disengaging the Chain Brake. . . . . . . . . . . . . . . . . . . . . . . 17 15.3 Cleaning the Spark Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
8 Mixing Fuel and Refueling the Chainsaw . . . . . . . . . . . 17 15.4 Cleaning the Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
0458-568-0121-A. VA3.M19.

8.1 Mixing Fuel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 16 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

0000008461_003_GB

8.2 Fueling the Saw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 16.1 Maintenance Intervals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

9 Starting and Stopping the Engine. . . . . . . . . . . . . . . . . . . 19 16.2 Deburring the Guide Bar . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process
with electronic systems.

0458-568-0121-A 1
English 1 Introduction

16.3 Sharpening the Saw Chain . . . . . . . . . . . . . . . . . . . . . . . . . 30

1 Introduction
17 Repairing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
17.1 Repairing the Chain Saw, Guide Bar and Saw
Chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Dear Customer,
18 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. .. .. . 32 Thank you for choosing STIHL. We develop and
18.1 Troubleshooting Chainsaw . . . . . . . . . . . . . . . . .. .. .. .. . 32 manufacture our quality products to meet our customers’
18.2 Standard Setting . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. .. .. . 34 requirements. The products are designed for reliability even
18.3 Adjusting Idle Speed . . . . . . . . . . . . . . . . . . . . . . .. .. .. .. . 34 under extreme conditions.
18.4 Clearing the Combustion Chamber . . . . . . . . .. .. .. .. . 34 STIHL also stands for premium service quality. Our
specialist dealers guarantee competent advice and
19 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
instruction as well as comprehensive service support.
19.1 STIHL MSA 194 T Chainsaw . . . . . . . . . . . . . . . . . . . . . . . 36
19.2 Chain Sprockets and Chain Speeds . . . . . . . . . . . . . . . . 36 We thank you for your confidence in us and hope you will
19.3 Minimum Groove Depth of Guide Bars . . . . . . . . . . . . . 36 enjoy working with your STIHL product.
19.4 Noise and Vibration Data. . . . . . . . . . . . . . . . . . . . . . . . . . . 36
19.5 REACH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
19.6 Exhaust Emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
20 Bar and Chain Combinations . . . . . . . . . . . . . . . . . . . . . . . 37
20.1 STIHL MSA 194 T Chainsaw . . . . . . . . . . . . . . . . . . . . . . . 37
Dr. Nikolas Stihl
21 Spare Parts and Accessories . . . . . . . . . . . . . . . . . . . . . . . 38
21.1 Spare Parts and Accessories. . . . . . . . . . . . . . . . . . . . . . . 38
22 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 IMPORTANT: READ BEFORE USE AND KEEP IN A SAFE
22.1 Disposing of Chainsaw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 PLACE.

23 EC Declaration of Conformity. . . . . . . . . . . . . . . . . . . . . . . 38
23.1 STIHL MS 194 T Chainsaw . . . . . . . . . . . . . . . . . . . . . . . . 38 2 Guide to Using this Manual

2.1 Symbols used with warnings in the text

WARNING
This symbol indicates dangers that can cause serious
injuries or death.
► The measures indicated can avoid serious injuries or
death.

2 0458-568-0121-A
3 Overview English

NOTICE 3 Overview
This symbol indicates dangers that can cause damage to
property.
► The measures indicated can avoid damage to property. 3.1 Chainsaw
2
2.2 Symbols in Text
1
This symbol refers to a chapter in this instruction
manual. #
3
8
7 6
9
5
4

10
16
11 13 14 15
12
17

28
18
27
19
26

25
24 23 22

0000-GXX-7572-A0
21
20

1 Carburetor Adjusting Screws

For tuning the carburetor.

0458-568-0121-A 3
English 3 Overview

2 Rear Handle 16 Shroud

For operating, holding, controlling and carrying the Covers the engine.
chainsaw.
17 Shroud Lock
3 Spiked Bumper Secures shroud to chainsaw
Toothed stop for holding saw steady against wood while
18 Air Filter
cutting.
Filters the air entering the engine.
4 Guide Bar
19 Ring
Supports and guides the saw chain.
For hanging up the saw while working in the tree.
5 Saw Chain
20 Spark Plug Boot
Cuts the wood.
Connects ignition lead to spark plug
6 Tensioning Screw
21 Spark Plug
Adjusts chain tension.
Ignites fuel-air mixture in the engine.
7 Chain Sprocket
22 Manual fuel pump
Toothed wheel that drives the chain.
Eases engine starts.
8 Muffler
23 Choke Lever
Reduces chainsaw noise emissions.
Enriches mixture for engine starts.
9 Chain Sprocket Cover
24 Starter Grip
Covers the chain sprocket and secures the guide bar to
the chainsaw. Serves to crank the engine.

10 Nut 25 Handlebar
Secures chain sprocket cover to chainsaw. For holding and controlling the chainsaw.

11 Chain Catcher 26 Oil Tank Cap

Reduces risk of operator contact with the chain if it Closes the oil tank.
comes off the bar or breaks. 27 Fuel Tank Cap
12 Front Hand Guard Closes the fuel tank.
Helps protect operator’s left hand from contact with the 28 Chain Scabbard
saw chain, serves to engage the chain brake and Helps protect user from contact with saw chain.
activates the chain brake by inertia in certain kickback
situations.
# Serial Number
13 Master Control Lever
For starting, running and stopping the engine.
3.2 Symbols
14 Throttle Lever Meanings of symbols that may be on the chainsaw:
Controls engine speed.
This symbol marks the fuel tank.
15 Throttle Trigger Lockout
Unlocks the throttle trigger.

4 0458-568-0121-A
4 Safety Precautions English

This symbol marks the chain oil tank. Observe safety notices and take the necessary
precautions.

The chain brake is engaged or disengaged in

this direction. Read, understand and save the instruction
manual.
This symbol shows the direction of rotation of the
chain.
Rotate in this direction to increase chain tension. Wear safety glasses, hearing protection and a
hard hat.
This symbol denotes the manual fuel pump.

Wear long trousers with cut-retardant inserts

Master Control lever is moved in this direction to stop and cut-retardant sleeves on both arms.
the engine.
Master Control lever is moved to this position to stop
the engine.
Hold the saw firmly with both hands.
Engine is operated with the Master Control lever in
this position.
Engine is started with the Master Control lever in this
position. Observe safety notices on kickback and take the
Engine is made ready for start with the choke lever in necessary precautions.
this position.
Engine is started with the choke lever in this position.
Only persons who have been trained in
the use of a tree service chainsaw may
Guaranteed sound power level according to use this chainsaw.
LWA directive 2000/14/EC in dB(A) in order to make
sound emissions of products comparable.

4.2 Intended Use

4 Safety Precautions The STIHL MSA 194 T tree service chainsaw is designed for
tree surgery work and cutting in the crown of the standing
tree.
4.1 Warning Symbols The chainsaw must not be used for cutting work on the
Meanings of warning signs on the chainsaw: ground.

0458-568-0121-A 5
English 4 Safety Precautions

WARNING ► Make sure the user meets the following requirements:

– The user must be rested.
￭ Using the chainsaw for purposes for which it is not
designed may result in serious or fatal injuries and – The user must be in good physical condition and
damage to property. mental health to operate and work with the chainsaw.
► Use the chainsaw as described in this instruction – The user is able to recognize and assess the risks
manual. involved in using the chainsaw.
– The user must be of legal age or is being trained in a
4.3 The Operator trade under supervision in accordance with national
rules and regulations.
WARNING – The user has received instruction from a STIHL
￭ Persons who have not been trained in tree surgery and servicing dealer or other experienced user before
maintenance techniques with a tree service chainsaw working with the chainsaw for the first time.
cannot recognize or assess the dangers of the chainsaw.
The user or other persons may sustain serious or fatal – The user must not be under the influence of alcohol,
injuries. medication or drugs.
► Read, understand and save the instruction
manual. ► If you have any queries: Contact a STIHL servicing
dealer for assistance.
￭ The chainsaw’s ignition system produces an
electromagnetic field. This field may interfere with some
► Only persons who have been trained in the pacemakers. This can result in serious or fatal injuries.
use of a tree service chainsaw may use this ► If the user has a pacemaker: Make sure the pacemaker
chainsaw. is not affected.
► If the chainsaw is passed on to another person: Always
give them the instruction manual.
4.4 Clothing and Equipment
WARNING
￭ Long hair can become entangled in the saw during
operation. This can result in serious injuries.
► Tie up and confine long hair so that it cannot be
entangled in the saw.
￭ Objects can be thrown through the air at high speed
during operation. This can result in personal injury.
► Wear close-fitting safety glasses. Suitable
safety glasses that have been tested and
labeled in accordance with EN 166 or
national standards are available from
retailers.
► STIHL recommends that you wear a face shield.

6 0458-568-0121-A
4 Safety Precautions English

► Wear a long-sleeved, snug-fitting upper garment. ￭ The user can be cut by the wood during operation. The
user can come into contact with the saw chain during
￭ Noise occurs during operation. Noise can harm your
cleaning and maintenance work. This can result in
hearing.
personal injury.
► Wear hearing protection. ► Wear work gloves made of durable material.
￭ Wearing unsuitable footwear may cause you to slip or
stumble. Contact with the rotating saw chain can result in
cuts. This can result in personal injury.
￭ Falling objects can cause head injuries. ► Wear chainsaw boots with cut retardant inserts.
► If there is a danger of falling objects during
operation: Wear a safety hard hat. ￭ When working in a tree there is risk of the operator falling.
This can result in serious or fatal injuries.
► Use personal fall protection equipment.

￭ Dust can be whipped up during operation: Whipped up

dust can damage the respiratory passages and cause 4.5 Work Area and Surroundings
allergic reactions.
► If dust is whipped up and forms a cloud: Wear a dust
WARNING
respirator mask. ￭ Bystanders, children and animals are not aware of the
dangers of the chainsaw or thrown objects. Innocent
￭ Inappropriate clothing can snag on wood, brush or the bystanders, children and animals may be seriously injured
saw. Not wearing personal protective equipment may and damage to property may occur.
result in serious injury. ► Keep bystanders, children and animals away from the
► Wear snug-fitting clothing. work area.
► Do not wear a scarf or jewelry. ► Do not leave the chainsaw unattended.
￭ The user can come into contact with the rotating saw ► Make sure that children cannot play with the chainsaw.
chain during operation. This can result in serious injuries.
￭ Hot exhaust gas is emitted through the muffler while the
► Wear long trousers with cut-retardant engine is running. Hot exhaust gas can ignite easily
inserts and cut-retardant sleeves on both flammable materials and cause a fire.
arms.
► Keep exhaust gas well away from easily flammable
materials.

4.6 Safe Condition

4.6.1 Chainsaw
The chainsaw is in a safe condition if the following points are
observed:
– The saw is not damaged.
– There is no fuel leaking from the chainsaw.
– The fuel tank and oil tank caps are closed.

0458-568-0121-A 7
English 4 Safety Precautions

– The saw is clean. ► Mount the guide bar and chain as described in this
instruction manual.
– Chain catcher is fitted and undamaged.
► Mount accessories as described in this instruction
– Chain brake is operating properly.
manual or the instructions supplied with the accessory.
– The controls function properly and have not been
► Never insert objects in the saw’s openings.
modified.
► If you have any queries: Contact your STIHL servicing
– Chain lubrication is operating properly.
dealer for assistance.
– Wear marks on chain sprocket are not deeper than 0.5
mm. 4.6.2 Guide Bar
– A combination of guide bar and saw chain recommended The guide bar is in a safe condition if the following points are
in this instruction manual is mounted. observed:
– The guide bar and chain are properly mounted. – Guide bar is not damaged.
– The chain is properly tensioned. – Guide bar is not deformed.
– Only original STIHL accessories designed for this saw are – The minimum groove depth is maintained, @ 19.3.
fitted.
– Bar rails are free from burrs.
– Accessories are properly mounted.
– Bar groove is not pinched or splayed.

WARNING WARNING
￭ If components do not comply with safety requirements,
they will no longer function properly, safety devices may ￭ If the guide bar is not in a safe condition, it can no longer
be rendered inoperative and fuel leaks may occur. This support and guide the saw chain properly. The rotating
can result in serious or fatal injuries. saw chain can jump off the guide bar. This can result in
serious or fatal injuries.
► Work only with an undamaged chainsaw.
► Work only with an undamaged guide bar.
► If fuel is leaking from the chainsaw: Do not use the
chainsaw and contact a STIHL dealer for assistance. ► If the groove depth is less than the minimum depth:
Mount a new guide bar.
► Close the fuel tank and oil tank caps.
► Deburr the guide bar every week.
► If the saw is dirty: Clean the saw.
► If you have any queries: Contact your STIHL servicing
► Work only with property fitted and undamaged chain dealer.
catcher.
► Never modify your chainsaw. Exception: Mounting a 4.6.3 Saw Chain
combination of guide bar and saw chain recommended
The saw chain is in a safe condition if the following points
in this instruction manual.
are observed:
► If the controls do not function properly: Do not use your
– Chain is not damaged.
saw.
– Chain is properly sharpened.
► Only fit original STIHL accessories designed for this
saw model. – The service marks on the cutters are still visible.

8 0458-568-0121-A
4 Safety Precautions English

WARNING tank. Fuel may escape as a spray and ignite when the fuel
tank cap is opened. This can result in serious injuries and
￭ If components do not comply with safety requirements, damage to property.
they will no longer function properly and safety devices ► Allow the saw to cool down before opening the tank cap.
may be rendered inoperative. This can result in serious or
fatal injuries. ► Open the tank cap slowly in stages.
► Work only with an undamaged saw chain. ￭ Clothing that has been in contact with fuel or gasoline is
► Sharpen the chain properly. more easily flammable. This can result in serious or fatal
injuries and damage to property.
► If you have any queries: Contact your STIHL servicing ► If your clothing comes into contact with fuel or gasoline:
dealer for assistance. Change your clothing.
￭ Fuel, gasoline and two-stroke engine oil can harm the
4.7 Fuel Mixture and Refueling environment.

WARNING ► Do not spill fuel, gasoline or two-stroke engine oil.

► Fuel, gasoline and two-stroke engine oil can harm the
￭ This chainsaw requires a fuel mixture of gasoline and two-
stroke engine oil. Fuel mixture and gasoline are extremely environment.
flammable. If fuel mixture or gasoline make contact with ￭ Fuel, gasoline or two-stroke engine oil can cause irritation
open fire or hot objects, they can cause a fire or if they come into direct contact with the skin or eyes.
explosions. This can result in serious or fatal injuries and ► Avoid contact with fuel, gasoline and two-stroke engine
damage to property. oil.
► Protect fuel mixture and gasoline from heat and fire.
► In case of contact with the skin: Wash affected areas
► Do not spill fuel mixture and gasoline. with plenty of water and soap.
► Do not smoke. ► In case of contact with the eyes: Rinse eyes with plenty
► Never refuel near a fire. of water for at least 15 minutes and seek medical
advice.
► Shut off the engine and allow it to cool down before
refueling. ￭ The saw’s ignition system produces sparks. Unconfined
sparks may cause a fire or an explosion in an easily
► Start the engine at least 3 meters from the fueling spot, combustible or explosive environment. This can result in
outdoors only. serious or fatal injuries and damage to property.
￭ Inhaling fuel fumes and gasoline fumes can have toxic ► Use the spark plugs described in this instruction
effects. manual.
► Avoid inhaling fuel fumes or gasoline fumes. ► Insert and tighten down the spark plug.
► Refuel in a well-ventilated location. ► Connect the spark plug boot and press it down firmly.
￭ The chainsaw becomes hot during operation, or in a very
hot environment. Depending on the type of fuel, altitude,
ambient temperature and the temperature of the saw, the
fuel expands and can cause a pressure build-up in the

0458-568-0121-A 9
English 4 Safety Precautions

￭ The saw can be damaged if it is run on a fuel mixture ￭ When working in a tree there is risk of the saw falling to
consisting of unsuitable gasoline or an unsuitable two- the ground. This can result in serious injuries and damage
stroke engine oil or if an incorrect mix ratio of gasoline and to property.
two-stroke engine oil is used. ► Secure the chainsaw with a rope tied to the ring.
► Mix the fuel as described in this instruction manual.
￭ Exhaust gas is produced when the engine is running.
￭ The mixture of gasoline and two-stroke engine oil can Breathing in exhaust gas can have toxic effects.
separate if it is stored for a long period. The saw can be ► Avoid inhaling exhaust gas.
damaged if it is used with a fuel mix that has separated.
► Operate the chainsaw is a well ventilated location.
► Before refueling the saw: Thoroughly mix the fuel.
► In the event of nausea, headache, visual disturbances,
► Use a mixture of gasoline and two-stroke engine oil that
problems with hearing or dizziness: Stop work and seek
is not older than 30 days (STIHL MotoMix: 2 years).
medical advice.
￭ The user’s ability to hear and assess noises is restricted
4.8 Working when wearing hearing protection with the engine running.
4.8.1 Cutting ► Work calmly and carefully.

WARNING ￭ The user will not be able to control the chainsaw properly
if it is operated with the Master Control lever in
￭ Always work within calling distance of others in case help position . This can result in serious injuries.
is needed. ► Check that the Master Control lever is in position
► Make sure than persons outside the work area are during operation.
within calling distance.
► Start the engine as described in this instruction manual.
￭ If the engine is not started properly, the user may lose
￭ Do not accelerate the engine with the chain brake
control of the chainsaw. This can result in serious injuries.
engaged since this can damage the chain brake.
► Start the engine as described in this instruction manual.
► Disengage the chain brake before you start cutting.
► If the saw chain is touching the ground or objects: Do
not start the engine. ￭ The rotating saw chain can cut the operator. This can
result in serious injuries.
￭ The user cannot concentrate on the work in certain ► Do not touch the rotating saw chain.
situations. The user can lose control of the saw, stumble
or fall and be seriously injured. ► If the saw chain is blocked by an object: Shut off the
engine and engage the chain brake. Then remove the
► Work calmly and carefully.
object causing the blockage.
► If light and visibility are poor: Do not use your saw.
￭ The rotating chain becomes hot and expands. If the chain
► Operate the chainsaw alone. is not lubricated sufficiently or not re-tensioned at regular
► Do not work above shoulder height. intervals, it may come off the guide bar or break. This can
result in serious injuries and damage to property.
► Watch out for obstacles. ► Use special chain oil.
► If you begin to feel tired: Take a break. ► Check oil level in tank regularly during cutting work.
Before the oil tank runs empty: Fill up with chain oil.

10 0458-568-0121-A
4 Safety Precautions English

► Check chain tension regularly during cutting work. If ￭ The guide bar can be pinched when cutting wood that is
chain tension is insufficient: Tension the chain. under tension. The user can lose control of the saw and
be seriously injured.
￭ If the behavior of the saw changes during operation or
feels unusual, it may no longer be in a safe condition. This ► Make a relieving cut (1) in the compression side (A) first,
can result in serious injuries and damage to property. then perform bucking cut (2), offset in direction of trunk,
at the tension side (B).
► Stop work and contact your STIHL dealer for
assistance.
4.8.2 Felling
￭ Saw vibrations may occur during operation.
► Wear gloves. WARNING
► Take regular breaks. ￭ Inexperienced users cannot assess the dangers of felling
a tree. This can result in serious or fatal injuries and
► If signs of circulation problems occur: Seek medical damage to property.
advice.
► If you have any queries: Do not fell the tree yourself.
￭ Sparks may occur if the rotating chain makes contact with
a hard object. Sparks may cause a fire in an easily ￭ Parts of the tree being removed and branches can fall on
combustible location. This can result in serious or fatal bystanders or objects during the felling operation. This
injuries and damage to property. can result in serious or fatal injuries and damage to
property.
► Do not work in an easily combustible location.
► Determine direction of fall so that the area in which the
￭ Note that the saw chain continues to rotate for a short part of the tree being removed falls is clear.
period after you release the trigger. The rotating saw chain
► Do not allow bystanders, children or animals within 2.5
can cut the user. This can result in serious injuries.
tree lengths of the work area.
► Wait for the chain to come to a standstill.

￭
WARNING
B
2
0000-GXX-8685-A0

1
A

0458-568-0121-A 11
English 4 Safety Precautions

4.9 Reactive Forces ► Hold the saw firmly with both hands.

4.9.1 Kickback

► Hold the saw firmly with both hands.

► Always keep your body out of the plane of the cutting
attachment.
► Use the working techniques described in this instruction
manual.

0000-GXX-7574-A0
► Do not cut with the upper quadrant of the bar nose.
► Always cut with a properly sharpened and tensioned
saw chain.

Kickback can be caused for the following reasons: ► Use a reduced kickback saw chain.

– The rotating saw chain in the upper quadrant of the bar ► Use a guide bar with a narrow radius nose.
nose makes contact with a hard object and is suddenly ► Always cut with the chain running at full speed.
braked.
– The rotating saw chain is pinched at the bar nose. 4.9.2 Pull-in

The chain brake cannot prevent kickback.

￭
WARNING

0000-GXX-1348-A0
0000-GXX-7575-A0

The saw is pulled away from the operator when the bottom
of the bar is used for cutting.

￭ If kickback occurs, the saw can be thrown up in the

direction of the operator. Due to the special handle design
(closely spaced handles) there is a risk of the operator
losing control of the chainsaw and sustaining serious or
fatal injuries.

12 0458-568-0121-A
4 Safety Precautions English

WARNING 4.10 Transporting

￭ If the rotating chain makes contact with a hard object and WARNING
is suddenly pinched, the saw is abruptly jerked away from ￭ The saw may turn over or shift during transport. This can
the operator. The operator can lose control of the saw and result in serious injuries and damage to property.
be seriously or fatally injured.
► Shut off the engine.
► Hold the saw firmly with both hands.
► Engage the chain brake.
► Operate the saw as described in this instruction manual.
► Fit the scabbard so that it completely covers the guide
► Keep the guide bar straight in the cut. bar.
► Apply the spiked bumper properly. ► Secure the chainsaw with lashing straps, belts or a net
► Always cut with the chain running at full speed. to prevent it turning over and moving.
￭

4.9.3 Pushback

0000-GXX-7576-A1
0000-GXX-1349-A0

￭ The muffler and engine may be hot after a period of

operation. There is a risk of burn injuries.
The saw is pushed back toward the operator when the top of ► Carry the saw by holding the top handle in your left hand
the bar is used for cutting. with the guide bar pointing to the rear.

WARNING 4.11 Storing

￭ If the rotating chain makes contact with a hard object and
is suddenly pinched, the saw can be abruptly pushed back WARNING
toward the operator. The operator can lose control of the ￭ Children are not aware of and cannot assess the dangers
saw and be seriously or fatally injured. of a chainsaw and can be seriously injured.
► Hold the saw firmly with both hands. ► Shut off the engine.
► Operate the saw as described in this instruction manual. ► Engage the chain brake.
► Keep the guide bar straight in the cut. ► Fit the scabbard so that it completely covers the guide
► Always cut with the chain running at full speed. bar.
► Store the saw out of the reach of children.

0458-568-0121-A 13
English 5 Preparing the Saw for Operation

￭ Dampness can corrode the electrical contacts on the saw

and metal components. This can damage the saw. 5 Preparing the Saw for Operation
► Store the saw in a clean and dry condition.

5.1 Preparing the Saw for Operation

4.12 Cleaning, Maintenance and Repairs
WARNING Perform the following steps before starting work:
► Make sure the following components are in a safe
￭ The cutting attachment can start rotating unintentionally if
condition:
the engine is running during cleaning, maintenance or
repair operations. This can result in serious injuries and – Chainsaw, @ 4.6.1.
damage to property. – Guide bar, @ 4.6.2.
► Shut off the engine. – Saw chain, @ 4.6.3.
► Engage the chain brake. ► Clean the saw, @ 15.1.
► Mount the bar and chain, @ 6.1.1.
￭ The muffler and engine may be hot after a period of
operation. This can result in burn injuries. ► Tension the saw chain, @ 6.2.
► Wait until the muffler and engine cool down. ► Fill up with chain oil, @ 6.3.
￭ Aggressive cleaning agents, a water jet or pointed objects ► Check the chain brake, @ 10.4.
can damage the saw, guide bar and saw chain. If the saw, ► Refuel the saw, @ 8.2.
guide bar or saw chain are not cleaned correctly, ► Check the controls, @ 10.5.
components may no longer function properly or safety
► Check chain lubrication, @ 10.6.
devices may be rendered inoperative. This can result in
serious injuries. ► If you cannot carry out these steps: Do not use your
chainsaw and contact your STIHL servicing dealer for
► Clean the saw, guide bar and saw chain as described in
assistance.
this instruction manual.
￭ If the saw is not maintained as described in this instruction
manual, components may no longer function properly or 6 Assembling the Saw
safety devices may be rendered inoperative. This can
result in serious or fatal injuries.
► Service or repair the saw as described in this instruction 6.1 Mounting and Removing the Bar and Chain
manual.
6.1.1 Mounting the bar and chain
￭ If the guide bar and chain are not maintained or repaired
as described in this instruction manual, components may The bar and chain combinations that can be used with the
no longer function properly or safety devices may be chain sprocket are listed in the specifications, @ 20.1.
rendered inoperative. This can result in serious injuries. ► Shut off the engine and engage the chain brake.
► Service or repair the guide bar and chain as described
in this instruction manual.
￭ The user can be cut by the sharp cutters while cleaning or
servicing the saw chain. This can result in personal injury.
► Wear work gloves made of durable material.

14 0458-568-0121-A
6 Assembling the Saw English

6
3
2

0000-GXX-7577-A0

0000-GXX-7569-A0
7
4
1
► Rotate the nut (1) counterclockwise until the chain ► Fit the chain on the chain sprocket (7) so that the chain’s
sprocket cover (2) can be removed. drive links mesh with the sprocket’s teeth.
► Remove the chain sprocket cover (2). ► Fit the chain in the bar groove so that the arrows on the tie
► Turn the tensioning screw (3) counterclockwise until the straps on the top of the bar point in the direction of
tensioner slide (4) butts against the left end of the rotation.
housing.

6
6

0000-GXX-7554-A0
0000-GXX-7553-A0

7 8 3
► Turn the tensioning screw (3) clockwise until the chain fits
► Fit the guide bar and chain on the saw and check the snugly against the bar. Make sure the drive link tangs
following points: engage the bar groove.
The guide bar (6) and chain are seated against the saw.
– Collar stud (5) is located in slot in tail of guide bar (6).
► Fit the sprocket cover (2) so that it is flush with the saw.
– Peg of tensioner slide (4) engages hole (8) in guide bar
(6). ► Fit and tighten down the nut (1).
The guide bar (6) may be either way round. The logo on the 6.1.2 Removing the bar and chain
guide bar (6) may also be upside down.
► Shut off the engine and engage the chain brake.
► Rotate the nut counterclockwise until the chain sprocket
cover can be removed.
► Remove the sprocket cover.

0458-568-0121-A 15
English 6 Assembling the Saw

► Turn the tensioning screw counterclockwise as far as ► Place your saw on a level surface so that the oil tank cap
stop. faces up.
The chain is now slack. ► Use a damp cloth to clean the tank cap and the area
► Remove the bar and chain. around it.

6.2 Tensioning the Saw Chain

The saw chain expands or contracts during cutting work.
Chain tension changes as a result. Check chain tension
regularly during operation and readjust if necessary.
► Shut off the engine and engage the chain brake.

0000-GXX-2930-A0
1
► Swing the grip on the oil tank cap to the vertical position.
► Turn the oil tank cap counterclockwise as far as stop.

0000-GXX-7555-A0
► Remove the oil tank cap.
a ► Fill up with chain oil, taking care not to spill any oil and do
not overfill the tank.
2
► If the grip on the oil tank cap has dropped into the closed
► Loosen the nut (1). position: Raise the grip until it is vertical.
► Disengage the chain brake.
► Hold the bar nose up and turn the tensioning screw (2) 1
clockwise until the following points apply:
– Chain sag ‘a’ in the center of the bar is 1 - 2 mm.
1
– The chain can still be pulled easily along the bar with
two fingers.
► Keep holding the bar nose up and tighten down the nut (1)

0000-GXX-2931-A0
firmly.
► If chain sag ‘a’ in the center of the bar is not 1 - 2 mm:
Readjust chain tension. 3
2
► Place the cap in the filler opening so that mark (1) lines up
6.3 Filling Up with Chain Oil
with mark (2).
Chain oil lubricates and cools the rotating chain.
► Press the cap down and rotate it clockwise as far as stop.
STIHL recommends you use a STIHL chain oil or an The cap snaps into place. The mark (1) points to mark (3),
equivalent chain oil approved for chainsaws.
► Check to see if the oil tank cap can be pulled upwards and
► Shut off the engine and engage the chain brake. off.

16 0458-568-0121-A
7 Engaging and Disengaging the Chain Brake English

► If the oil tank cap cannot be pulled upwards and off: Fold
down the grip on the oil tank cap.
The oil tank is closed.
If the oil tank cap can be pulled upwards and off, perform the
following steps:
► Place the oil tank cap in the filler opening – in any position.

0000-GXX-7578-A0
1
► Push the hand guard away from the handlebar with your
left hand.
The hand guard engages with an audible click. The chain

0000-GXX-3135-A0
brake is engaged.

2 7.2 Disengaging the Chain Brake

► Press the cap down and rotate it clockwise as far as stop.
► Press the cap down and rotate it counterclockwise until
mark (1) points to mark (2).
► Now try again to close the oil tank.
► If the oil tank still cannot be closed properly: Do not use
the chainsaw and contact a STIHL dealer for assistance.
The chainsaw is not in a safe condition.

0000-GXX-7579-A0
7 Engaging and Disengaging the Chain
Brake ► Pull the hand guard back towards the handle with your left
hand.
7.1 Engaging the Chain Brake The hand guard engages with an audible click. The chain
The saw is equipped with a chain brake. brake is disengaged.
The chain brake is activated by the inertia of the front hand
guard if the kickback force is high enough or it can be
engaged by the operator. 8 Mixing Fuel and Refueling the
Chainsaw
8.1 Mixing Fuel
This chainsaw requires a fuel mixture of gasoline and two-
stroke engine oil in a ratio of 50:1.

0458-568-0121-A 17
English 8 Mixing Fuel and Refueling the Chainsaw

STIHL recommends you use STIHL MotoMix.

If you mix the fuel yourself, use only STIHL two-stroke
engine oil or another high-performance engine oil in
accordance with JASO FB, JASO FC, JASO FD, ISO-L-
EGB, ISO-L-EGC or ISO-L-EGD.
STIHL specifies STIHL HP Ultra two-stroke engine oil or an
equivalent high-performance engine oil in order to maintain

0000-GXX-2934-A1
emission limits over the machine’s service life.
► Make sure that the octane number of the gasoline is at
least 90 RON and the ethanol content is not more than
10%.
► Make sure the two-stroke engine oil you are using meets
the requirements. WARNING
► Depending on the required amount of fuel, determine the The chainsaw becomes hot during operation, or in a very hot
correct amounts of two-stroke engine oil and gasoline in a environment. Depending on the type of fuel, altitude,
mix ratio of 50:1. Examples for fuel mixes: ambient temperature and the temperature of the saw, the
– 1 liter gasoline, 20 ml two-stroke engine oil fuel expands and can cause a pressure build-up in the tank.
– 3 liters gasoline, 60 ml two-stroke engine oil Fuel may escape as a spray and ignite when the fuel tank
cap is opened. This can result in serious injuries and
– 5 liters gasoline, 100 ml two-stroke engine oil
damage to property.
► Pour two-stroke engine oil into a clean approved fuel ► Allow the saw to cool down before opening the tank cap.
canister first and then add gasoline. ► Open the tank cap slowly in stages.
► Thoroughly mix the fuel.
► Turn the fuel tank cap about 1/8 of a turn
counterclockwise.
8.2 Fueling the Saw If the fuel tank is under pressure, you will hear pressure
► Shut off the engine and engage the chain brake. being released.
► Allow chainsaw to cool down. ► When the tank is no longer under pressure: Turn the tank
► Place your chainsaw on a level surface so that the fuel cap counterclockwise until the marks on the cap and fuel
tank cap faces up. tank are in alignment.
► Use a damp cloth to clean the tank cap and the area ► Remove the fuel tank cap.
around it.
► Swing the grip on the fuel tank cap to the vertical position. NOTICE
Bright light, sunlight and extreme temperatures can cause
the fuel mix to separate much faster. The saw can be
damaged if it is used with a fuel mix that has become
separated.
► Thoroughly mix the fuel.
► Do not use fuel mix that has been stored for more than 30
days.

18 0458-568-0121-A
9 Starting and Stopping the Engine English

► Fill the tank to within no more than 15 mm of the brim, If the fuel tank cap can be pulled upwards and off, perform
taking care not to spill any fuel. the following steps:
► If the grip on the fuel tank cap has dropped into the closed ► Place the fuel tank cap in the filler opening – in any
position: Raise the grip until it is vertical. position.

A B C
1
4
1 1

0000-GXX-2935-A1

0000-GXX-3136-A1
2 3 2
► Place the cap in the filler opening so that mark (1) lines up ► Press the cap down and rotate it clockwise as far as stop.
with mark (2).
► Press the cap down and rotate it counterclockwise until
► Press the cap down and rotate it clockwise as far as stop. mark (1) points to mark (2).
The cap snaps into place. The mark (1) is in line with mark
► Now try again to close the fuel tank.
(4) and points to mark (3).
► If the fuel tank still cannot be closed properly: Do not use
► Check to see if the fuel tank cap can be pulled upwards
the chainsaw and contact a STIHL dealer for assistance.
and off.
The chainsaw is not in a safe condition.
► If the fuel tank cap cannot be pulled upwards and off: Fold
the grip flush with the top of the cap.
The fuel tank is closed. 9 Starting and Stopping the Engine

9.1 Selecting the Correct Starting Procedure

When must the engine be prepared for starting?
The engine must be prepared for starting if one of the
following conditions apply:
– The engine is at ambient temperature.
– The engine stopped when accelerated for the first time.
– The engine stopped because the fuel tank was empty.

► Prepare engine for start and then start the engine.

0458-568-0121-A 19
English 9 Starting and Stopping the Engine

When can the engine be started without preparation?

The engine can be started without preparation if it has been
running for at least 1 minute and only shut down for a short
work break.
► Start the engine.

9.2 Preparing Engine for Start

0000-GXX-7581-A0
► Select the correct starting procedure.

1
2 ► Stand the saw on a level surface.
3 ► Hold the saw firmly with your right hand on the top handle
– wrap your thumb around the handle.
4 ► Press the saw against the ground with your right hand.
► Hold the saw steady with your right knee on the shroud.
5

0000-GXX-7580-A0
► Pull the starter grip slowly with your left hand until you feel
it engage.
6
► Pull the starter grip quickly and allow the starter rope to
rewind several times until the engine fires and stops.
► Engage the chain brake (1).
► Move the choke lever (5) to position .
► Pull off the chain guard (scabbard).
► Press the manual fuel pump bulb (6) at least ten times.
9.3 Starting the Engine
► Press down the throttle trigger lockout (3) and hold it
there. ► Select the correct starting procedure.
► Pull the throttle trigger (4) and hold it there. 1
► Move the Master Control lever (2) to position . 2
► Release the throttle trigger (4) and lockout lever (5).
3
► Move the choke lever (5) to position .
4
5

0000-GXX-7582-A0
6

► Engage the chain brake (1).

► Pull off the chain guard (scabbard).
► Move the choke lever (5) to position .

20 0458-568-0121-A
10 Checking the Saw English

► Press down the throttle trigger lockout (3) and hold it ► If the saw chain rotates while the engine is idling: See
there. troubleshooting.
► Pull the throttle trigger (4) and hold it there. Idle speed adjustment is not correct.
► Move the Master Control lever (2) to position . ► If the engine does not start: Prepare the engine for the
start and then try again to start the engine.

9.4 Stopping the engine

0000-GXX-7581-A0

0000-GXX-7583-A0
3
► Stand the saw on a level surface.
► Hold the trimmer firmly with your right hand on the top
handle – wrap your thumb around the handle.
► Press the saw against the ground with your right hand. ► Release the throttle trigger (3) and lockout lever (2).
The saw chain stops running.
► Hold the saw steady with your right knee on the shroud.
► Move the Master Control lever (1) to position .
► Pull the starter grip slowly with your left hand until you feel
The engine stops and the Master Control lever (1) springs
it engage.
back to position .
► Pull the starter grip quickly and allow the starter rope to
rewind several times until the engine runs. If the engine does not stop:
► Press down the throttle trigger lockout (3) and hold it ► Move the choke lever to position .
there. The engine stops.
► Blip the throttle trigger (4). ► Do not use the chainsaw and contact your STIHL
The Master Control lever (2) springs to position . The servicing dealer for assistance.
engine runs at idling speed. The Master Control lever is defective.

NOTICE
Do not accelerate the engine with the chain brake engaged 10 Checking the Saw
since this can damage the chain brake.
► Disengage the chain brake before you start cutting.
10.1 Checking the Chain Sprocket
► Disengage the chain brake. ► Shut off the engine.
Your saw is ready for operation.
► Disengage the chain brake.
► Remove the chain sprocket cover.

0458-568-0121-A 21
English 10 Checking the Saw

► Remove the bar and chain. ► If you have any queries: Contact your STIHL servicing
dealer for assistance.

10.3 Checking the Saw Chain

► Shut off the engine and engage the chain brake.

0000-GXX-7568-A0
2

► If there are visible wear marks: Do not use the chainsaw

0000-GXX-1218-A0
and contact your STIHL servicing dealer for assistance.
The chain sprocket must be replaced.

10.2 Checking the Guide Bar ► Use a STIHL filing gauge (2) to check the height of the
► Shut off the engine and engage the chain brake. depth gauges (1). The STIHL filing gauge must match the
► Remove the chain and guide bar. chain pitch.
► If a depth gauge (1) projects from the filing gauge (2):
Lower the depth gauge (1), @ 16.3.

2 3
0000-GXX-1217-A0

0000-GXX-1372-A0
4
► Measure depth of bar groove with scale on STIHL filing
gauge.
► Install a new guide bar if one of the following points ► Make sure the service marks (1 to 4) on the cutters are
applies: visible.
– Guide bar is damaged. ► If one of the service marks is not visible on a cutter: Do not
– Measured bar groove depth is less than specified use your chainsaw and contact your STIHL servicing
minimum depth, @ 19.3. dealer for assistance.
– Bar groove is pinched or splayed.

22 0458-568-0121-A
11 Operating the Saw English

► Use a STIHL filing gauge to check that a filing angle of 30° Stopping the engine
has been maintained on all cutters. The STIHL filing
► Start the engine.
gauge must match the chain pitch.
► Move the Master Control lever (1) to position .
► If a filing angle of 30° has not been maintained:
The engine stops and the Master Control lever springs
Resharpen the saw chain.
back to position .
► If you have any queries: Contact your STIHL servicing
► If the engine does not stop:
dealer for assistance.
► Move the choke lever to position .
The engine stops.
10.4 Testing the Chain Brake ► Do not use the chainsaw and contact your STIHL
► Shut off the engine and engage the chain brake. servicing dealer for assistance.
The Master Control lever is defective.
WARNING
The chain's cutters are very sharp. There is a risk of cut 10.6 Checking Chain Lubrication
injuries. ► Start the engine and disengage the chain brake.
► Wear work gloves made of durable material. ► Hold the guide bar over a light surface.
► Try to pull the chain along the guide bar by hand. ► Open the throttle.
If the chain cannot be pulled along the bar by hand, the Chain oil is thrown off the chain and is visible on the light
chain brake is functioning. surface. Chain lubrication is operating properly.
► If the chain can be pulled along the bar by hand: Do not If no chain oil can be seen:
use your chainsaw and contact your STIHL servicing
► Shut off the engine.
dealer for assistance.
The chain brake is defective. ► Fill up with chain oil.
► Check chain lubrication again.
10.5 Checking the Controls ► If chain oil is still not visible on the light surface: Do not
use your chainsaw and contact your STIHL servicing
Throttle trigger lockout and throttle trigger dealer for assistance. Chain lubrication is defective.

► Shut off the engine and engage the chain brake.

► Attempt to pull the trigger without depressing the lockout 11 Operating the Saw
lever.
► If the trigger can be pulled: Do not use the chainsaw and
contact your STIHL servicing dealer for assistance. 11.1 Adjusting Carburetor for Operation at High
The throttle trigger lockout is defective. Altitude
► Press down the throttle trigger lockout and hold it there. If you use the chainsaw at high altitude, the engine will not
► Pull the throttle trigger and release it again. deliver optimum power. The carburetor setting can be
► If the throttle trigger is stiff or does not spring back to its adjusted to obtain optimum engine power.
idle position: Do not use the chainsaw and contact your ► Start the engine and disengage the chain brake.
STIHL servicing dealer for assistance.
► Warm up the engine by opening and closing the throttle for
The throttle trigger is defective.
about 1 minute.

0458-568-0121-A 23
English 11 Operating the Saw

H L

0000-GXX-3132-A0

0000-GXX-3131-A0
NOTICE NOTICE
If the chainsaw is again used at a low altitude, the engine Engine power may drop noticeably when the chainsaw is
may overheat. subsequently used at temperatures above –10°C.
► Carry out the standard setting. ► Carry out the standard setting.

► Rotate the high speed screw H clockwise until the engine ► Rotate the low speed screw (L) a quarter turn
delivers optimum power. counterclockwise.
► If the saw chain runs continuously or the engine stops:
Adjust idle speed.
11.2 Adjusting Carburetor for Cutting at
Temperatures Below –10°C
The engine will not accelerate properly if the chainsaw is 11.3 Holding and Controlling the Chainsaw
used at temperatures below –10°C. The carburetor can be
adjusted to obtain normal engine acceleration in such
conditions.
► Start the engine and disengage the chain brake.
► Warm up the engine by opening and closing the throttle for
about 1 minute.

0000-GXX-7585-A0
► Hold and control your saw with your left hand on the
handlebar and your right hand on the top handle. Wrap
thumb of left hand around the handlebar and thumb of
right hand around the top handle.

24 0458-568-0121-A
11 Operating the Saw English

► Engage the spiked bumper and use it as a fulcrum.

WARNING ► Guide the full width of the bar into the wood and reposition
The risk of kickback is increased if you use the chainsaw the spiked bumper as required.
with one hand. If kickback occurs, the saw can be thrown up ► Take the weight of the saw at the end of the cut.
in the direction of the operator. The operator can lose control
of the saw and be seriously or fatally injured.
► Do not cut with the upper quadrant of the bar nose. 11.5 Limbing
► Never support yourself on the limb being cut. ► With the chain running a full speed, pivot the guide bar
downward against the limb.
► Never attempt to hold falling limbs.

The saw may be used with one hand if the following points B
apply:
2
– Two-handed cutting is not possible.
– One hand is required for support during the cut.
– The saw can be held firmly with one hand.

0000-GXX-8685-A0
– All parts of your body are clear of the cutting attachment. 1
A
11.4 Cutting
► Make a relieving cut (1) in the compression side (A) first,
WARNING then perform bucking cut (2), offset in direction of trunk, at
If kickback occurs, the saw can be thrown up in the direction the tension side (B).
of the operator. This can result in serious or fatal injuries.
► Always cut with the chain running at full speed. 11.6 Felling
► Do not cut with the upper quadrant of the bar nose.
11.6.1 Basic information on felling cut
► Begin the cut with the chain running at full speed and keep
the guide bar vertical.

A B C

0000-GXX-A332-A0
B
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C
A

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English 12 After Finishing Work

A Felling notch 11.6.3 Making the felling cut

The felling notch determines the direction of fall.
B Hinge
The hinge controls the part of the tree being removed as
it drops to the ground. The width of the hinge is 1/10 of
the trunk diameter.
C Felling cut
The tree is felled with the felling cut.

0000-GXX-A335-A0
11.6.2 Cutting the felling notch
The felling notch determines the direction in which the part
of the tree being removed falls. Country-specific standards
for making the felling notch must be observed. ► Make horizontal felling cut, taking care not to cut through
the hinge.
► Shout a warning.
► Push the part of the tree being removed downward over
the hinge.
The part of the tree to be removed falls.

0000-GXX-A333-A0 12 After Finishing Work

90°
12.1 After Finishing Work
► Shut off the engine and engage the chain brake.
► Position the saw so that the felling notch is at right angles
to the direction of fall. ► Allow chainsaw to cool down.
► Make the horizontal cut. ► If the saw is wet: Allow the saw to dry.
► Make the angle cut at 45° to the horizontal cut. ► Clean the saw.
► Clean the air filter.
► Clean the bar and chain.
► Loosen nut on the chain sprocket cover.
► Turn the tensioning screw two full turns counterclockwise.
The chain is now slack.
► Tighten down the nut on the chain sprocket cover.
► Fit the scabbard so that it completely covers the guide bar.

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13 Transporting English

► Drain the fuel tank.

13 Transporting ► Close the fuel tank.
► Have fuel tank cleaned by a STIHL servicing dealer.
13.1 Transporting the Chainsaw ► Start the engine, engage the chain brake and run the
engine at idling speed until it stops.
► Shut off the engine and engage the chain brake.
► Fit the scabbard so that it completely covers the guide bar.
► Carry the saw by holding the top handle in your left hand 15 Cleaning
with the guide bar pointing to the rear.
► Transporting the saw in a vehicle: Secure the saw to
prevent turnover and movement. 15.1 Cleaning the Saw
► Shut off the engine and engage the chain brake.
► Allow chainsaw to cool down.
► Clean the saw with a damp cloth or STIHL resin solvent.
1 1 ► Clean cooling air slots with a soft brush.

0000-GXX-7588-A0 1

0000-GXX-7589-A0
The chainsaw can be carried by attaching the ring (1) to your 2
waist belt or a rope.

14 Storing
► Rotate the shroud lock (1) a half turn counterclockwise.
► Remove the shroud (2).
14.1 Storing the Chainsaw ► Remove the chain sprocket cover.
► Shut off the engine and engage the chain brake. ► Use a soft brush, damp cloth or STIHL resin solvent to
► Fit the scabbard so that it completely covers the guide bar. clean the inside of the shroud.
► Observe the following points when storing the saw: ► Clean the area around the sprocket with a damp cloth or
– Saw is out of the reach of children. STIHL resin solvent.
– The saw is clean and dry. ► Place the shroud (2) in position.
► Rotate the shroud lock (1) clockwise until you hear a click.
If you store the saw for more than 3 months: The shroud lock (1) is secure.
► Remove the bar and chain. ► Fit the chain sprocket cover.
► Open the fuel tank cap.

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English 15 Cleaning

15.2 Cleaning the Bar and Chain ► If area around the spark plug is dirty: Clean it with a damp
► Shut off the engine and engage the chain brake. cloth.
► Remove the bar and chain. ► Unscrew the spark plug.
► Clean the spark plug with a damp cloth.
► If the spark plug is corroded: Install a new spark plug.
1 3

0000-GXX-7565-A0

0000-GXX-7591-A0
0000-GXX-7589-A0
3
2
► Clean the oil inlet hole (1), oil port (2) and bar groove (3) 3
with a soft brush or STIHL resin solvent.
► Clean the saw chain with a soft brush or STIHL resin ► Fit the spark plug and tighten it down firmly.
solvent. ► Press the spark plug boot (3) firmly home.
► Mount the bar and chain. ► Place the shroud (1) in position.
► Rotate the shroud lock (2) clockwise until you hear a click.
15.3 Cleaning the Spark Plug The shroud lock (2) is secure.
► Shut off the engine and engage the chain brake.
► Allow chainsaw to cool down. 15.4 Cleaning the Air Filter
15.4.1 Cleaning the fabric air filter
► Shut off the engine and engage the chain brake.

1 3
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0000-GXX-7589-A0

3
1 2 2

0000-GXX-7592-A0
0000-GXX-7589-A0
► Rotate the shroud lock (1) a half turn counterclockwise.
► Remove the shroud (1).
► Pull off the spark plug boot (3).
► Rotate the shroud lock (1) a half turn counterclockwise.

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15 Cleaning English

► Remove the shroud (2). 15.4.2 Cleaning the fleece air filter
► Remove the air filter (3). ► Shut off the engine and engage the chain brake.
► Knock out the filter (3).
► Clean the filter (3) with a soft brush. 1 3
► If the filter (3) is damaged. Install a new filter (3).
► Blow out the filter with compressed air from the clean air
side.
2
WARNING

0000-GXX-7594-A0
0000-GXX-7589-A0
Cleaning agent may cause irritation if it contacts the skin or
eyes.
► Observe the information supplied with the cleaning agent.
► Avoid contact with cleaning agents.
► In case of contact with the skin: Wash affected areas with ► Rotate the shroud lock (1) a half turn counterclockwise.
plenty of water and soap.
► Remove the shroud (2).
► In case of contact with the eyes: Rinse eyes with plenty of
water for at least 15 minutes and seek medical advice. ► Remove the air filter (3).
► Knock out the filter (3).
► If the air filter is very dirty: ► If the filter (3) is damaged. Install a new filter (3).
► Wash the filter (3) in STIHL special cleaner or warm ► Blow out the filter with compressed air from the clean air
soapy water. side.
► Rinse the filter (3) from the clean air side under running
water. 3 2
► Allow filter (3) to dry in the air.

3 2
1

0000-GXX-7595-A0
0000-GXX-7589-A0
1
0000-GXX-7593-A0
0000-GXX-7589-A0

► Install the filter (3).

► Place the shroud (2) in position.
► Rotate the shroud lock (1) clockwise until you hear a click.
► Install the filter (3). The shroud lock (1) is secure.
► Place the shroud (2) in position.
► Rotate the shroud lock (1) clockwise until you hear a click.
The shroud lock (1) is secure.

0458-568-0121-A 29
English 16 Maintenance

► If you have any queries: Contact your STIHL servicing

16 Maintenance dealer.

16.1 Maintenance Intervals 16.3 Sharpening the Saw Chain

The maintenance intervals are dependent on the Correctly sharpening saw chains requires a lot of practice.
environmental and operating conditions. STIHL STIHL files, STIHL filing aids, STIHL sharpeners and the
recommends the following maintenance intervals: brochure “Sharpening STIHL Saw Chains” help you achieve
the right results. To obtain the brochure visit
Chain brake http://www.stihl.com/sharpening-brochure.
► Have the chain brake serviced by a STIHL servicing STIHL recommends you have saw chains resharpened by a
dealer at the following intervals: STIHL servicing dealer.
– Full-time usage: every 3 months
– Part-time usage: every 6 months WARNING
– Occasional usage: every 12 months The chain's cutters are very sharp. There is a risk of cut
injuries.
After every 100 hours of operation
► Wear work gloves made of durable material.
► Install a new spark plug.

Weekly
► Check the chain sprocket.
► Check and deburr the guide bar.
► Check and sharpen the saw chain.

Monthly
► Have oil tank cleaned by a STIHL servicing dealer.

0000-GXX-1219-A0
► Have fuel tank cleaned by a STIHL servicing dealer.
► Have pickup body (filter) in fuel tank cleaned by a STIHL
servicing dealer.

Every 12 months ► File each cutter with a round file so that the following
points are observed:
► Have pickup body (filter) in fuel tank replaced by a STIHL – Round file matches the chain pitch.
servicing dealer.
– File from the inside to the outside of the cutter.
– Hold the file at right angle to the guide bar.
16.2 Deburring the Guide Bar – Maintain a filing angle of 30°.
A burr can build up on the outer edge of the guide bar.
► Remove burr with a flat file or a STIHL guide bar dressing
tool.

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17 Repairing English

0000-GXX-1220-A1
► File down the depth gauges with a flat file so that they are
level with the STIHL filing gauge and parallel to the service
mark. The STIHL filing gauge must match the chain pitch.
► If you have any queries: Contact your STIHL servicing
dealer for assistance.

17 Repairing

17.1 Repairing the Chain Saw, Guide Bar and Saw

Chain
The chain saw, guide bar and saw chain cannot be repaired
by the user.
► If the saw, guide bar or saw chain is damaged: Do not use
your saw, guide bar or saw chain, and contact your STIHL
servicing dealer.

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English 18 Troubleshooting

18 Troubleshooting

18.1 Troubleshooting Chainsaw

Most malfunctions have the same causes.
► Perform the following operations:
► Clean the air filter.
► Clean or replace the spark plug.
► Carry out the standard setting.
► Adjust idle speed.
► Adjust carburetor for operation at high altitude.
► Adjust carburetor for cutting at temperatures below –10°C.
► If the malfunction still exists: Take the action described in the following table.
Condition Cause Remedy
Engine does not start. Insufficient fuel in the tank. ► Mix fuel and refuel the chainsaw.
Engine is flooded. ► Clear the combustion chamber.
Carburetor is too hot. ► Allow chainsaw to cool down.
► If manual fuel pump is fitted: Depress the manual fuel pump at
least 10 times before starting the engine.
Carburetor is iced up. ► Allow saw to warm up to +10°C.
Engine idles erratically. Carburetor is iced up. ► Allow saw to warm up to +10°C.
Engine stops while idling Carburetor is iced up. ► Allow saw to warm up to +10°C.
Poor acceleration The chain is over- ► Tension the chain properly.
tensioned.
Chain lubrication system ► Do not use the chainsaw and contact your STIHL servicing dealer
is supplying insufficient for assistance.
chain oil.
Saw chain does not rotate The chain brake is ► Disengage the chain brake.
when throttle is opened. engaged.
The chain is over- ► Tension the chain properly.
tensioned.
Bar nose sprocket is ► Clean the bar nose sprocket with STIHL resin solvent.
blocked.

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18 Troubleshooting English

Condition Cause Remedy

Smoke or burning smell Chain is not properly ► Sharpen the chain properly.
while cutting. sharpened.
Insufficient chain oil in the ► Fill up with chain oil.
tank.
Chain lubrication system ► Do not use the chainsaw and contact your STIHL servicing dealer
is supplying insufficient for assistance.
chain oil.
The chain is over- ► Tension the chain properly.
tensioned.
Chainsaw is not being ► Have correct use explained, then practice.
used properly.

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English 18 Troubleshooting

► If the engine continues to stop while idling: Turn the idle

speed screw (LA) half a turn clockwise and restart the
18.2 Standard Setting engine.
► Shut off the engine and engage the chain brake. ► Turn the idle speed screw (LA) clockwise until the chain
begins to run.
► Turn the idle speed screw (LA) one full turn
counterclockwise.

Saw chain runs continuously while engine is idling

H L ► Carry out the standard setting.
► Start the engine and disengage the chain brake.

0000-GXX-2946-A0
► Warm up the engine by opening and closing the throttle for
about 1 minute.
► Turn the idle speed screw (LA) counterclockwise until the
saw chain stops running.
► Turn the high speed screw (H) counterclockwise as far as ► Turn the idle speed screw (LA) one full turn
stop. counterclockwise.
► Turn the low speed screw (L) clockwise as far as stop.
► Rotate the low speed screw (L) a quarter turn 18.4 Clearing the Combustion Chamber
counterclockwise. ► Engage the chain brake.

18.3 Adjusting Idle Speed

0000-GXX-7590-A0
0000-GXX-7589-A0
3
1 2
0000-GXX-2938-A0

► Rotate the shroud lock (2) a half turn counterclockwise.

► Remove the shroud (1).
Engine stops while idling ► Pull off the spark plug boot (3).
► Unscrew the spark plug.
► Carry out the standard setting.
► Dry the spark plug.
► Start the engine and disengage the chain brake.
► Warm up the engine by opening and closing the throttle for
about 1 minute.

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18 Troubleshooting English

WARNING
Unconfined sparks may occur if the starter grip is pulled after
the spark plug boot has been removed. Sparks may cause a
fire or an explosion in an easily combustible or explosive
environment. This can result in serious or fatal injuries and
damage to property.
► Move the Master Control lever to position and hold it
there before pulling the starter grip.

► Move the Master Control lever to position and hold it

there.
► Pull the starter grip and guide it back several times.
The combustion chamber is cleared.
► Insert and tighten down the spark plug.

0000-GXX-7591-A0
0000-GXX-7589-A0

3
► Press the spark plug boot (3) firmly home.
► Place the shroud (1) in position.
► Rotate the shroud lock (2) clockwise until you hear a click.
The shroud lock (2) is secure.

0458-568-0121-A 35
English 19 Specifications

19.4 Noise and Vibration Data

19 Specifications
– Sound pressure level L p measured according to
ISO 22868: 100 dB(A) K-value (uncertainty) for noise
pressure level is 2 dB(A).
19.1 STIHL MSA 194 T Chainsaw
– Sound power level Lw measured according to ISO 22868:
– Displacement: 31.8 cm³
112 dB(A) K-value (uncertainty) for sound power level is 2
– Engine power to ISO 7293: 1.4 kW (1.9 bhp) dB(A).
– Idle speed to ISO 11681: 3,000 ± 50 rpm – Vibration level ahv, eq measured according to ISO 22867
– Approved spark plug: NGK CMR6H from STIHL – Handlebar: 3.6 m/s² K-value (uncertainty) for vibration
level is 2 m/s².
– Electrode gap: 0.5 mm
– Top handle: 3.6 m/s² K-value (uncertainty) for vibration
– Dry weight without guide bar and chain 3.3 kg level is 2 m/s².
– Max. fuel tank capacity: 270 cc (0.27 l)
For further details on compliance with Vibration Directive
– Max. oil tank capacity: 220 cc (0.22 l)
2002/44/EC visit www.stihl.com/vib.

19.2 Chain Sprockets and Chain Speeds 19.5 REACH

The following chain sprockets may be used: REACH is an EC regulation and stands for the Registration,
– 6-tooth for 3/8” P Evaluation, Authorisation and Restriction of Chemical
substances.
– Maximum chain speed according to ISO 11681:
26.0 m/s For information on compliance with the REACH regulation
– Chain speed at maximum power: see www.stihl.com/reach.
18.6 m/s
– 8-Tooth for 1/4" P 19.6 Exhaust Emissions
– Maximum chain speed according to ISO 11681: The CO2value measured in the EU type approval procedure
23.6 m/s is specified at www.stihl.com/co2.
– Chain speed at maximum power: The measured CO2value was determined on a
16.9 m/s representative engine in accordance with a standardized
test procedure under laboratory conditions and does not
represent either an explicit or implied guarantee of the
19.3 Minimum Groove Depth of Guide Bars
performance of a specific engine.
The minimum groove depth depends on the pitch of the
guide bar. The applicable exhaust emission requirements are fulfilled
by the intended usage and maintenance described in this
– 3/8" P: 5 mm instruction manual. The type approval expires if the engine
– 1/4" P: 4 mm is modified in any way.

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20 Bar and Chain Combinations English

20 Bar and Chain Combinations

20.1 STIHL MSA 194 T Chainsaw

Pitch Drive link Length Guide bar Nose sprocket Number of drive Saw chain
gauge/groove teeth links
width
25 cm Rollomatic E light 39
Rollomatic E, 44
30 cm
Rollomatic E light 44 61 PMM3 (Type
1.1 mm 7
Rollomatic E, 50 3610)
35 cm
3/8" P Rollomatic E light 50
40 cm Rollomatic E 55
30 cm 44 63 PD3 (3612)
Rollomatic E,
1.3 mm 35 cm 9 50 63 PM3 (3636)
Rollomatic E light
40 cm 55 63 PS3 (3616)
25 cm 56
30 cm Rollomatic E 8 64 71 PM3 (Type
1/4" P 1.1 mm
35 cm 72 3670)
30 cm Carving E – 64
The cutting length of a guide bar depends on the chainsaw and the saw chain being used. Actual cutting length may be less
than the specified length

0458-568-0121-A 37
English 21 Spare Parts and Accessories

– Serial identification: 1137

21 Spare Parts and Accessories – Displacement: 31.8 cm³

conforms to the relevant provisions of Directives

21.1 Spare Parts and Accessories 2011/65/EU, 2006/42/EC, 2014/30/EU and 2000/14/EC and
These symbols identify original STIHL has been developed and manufactured in compliance with
replacement parts and original STIHL the following standards in the versions valid on the date of
accessories. production: EN ISO 11681-1, EN 55012 and EN 61000-6-1.

STIHL recommends the use of original STIHL replacement The EC type examination in accordance with Directive
parts and accessories. 2006/42/EC Article 12.3(b) was carried out at: DPLF,
Deutsche Prüf- und Zertifizierungsstelle für Land- und
Original STIHL replacement parts and original STIHL Forsttechnik GbR (NB 0363), Spremberger Straße 1,
accessories are available from STIHL servicing dealers. 64823 Groß-Umstadt, Germany
– Certification number K-EG 2018/8641
22 Disposal The measured and guaranteed sound power levels were
determined according to Directive 2000/14/EC, Annex V,
using the ISO 9207 standard.
22.1 Disposing of Chainsaw
Information on disposal is available from STIHL servicing – Measured sound power level: 112 dB(A)
dealers. – Guaranteed sound power level: 114 dB(A)
► Dispose of the chainsaw, guide bar, saw chain, fuel mix,
gasoline, two-stroke engine oil, accessories and Technical documents are deposited at ANDREAS STIHL AG
packaging in accordance with local regulations and & Co. KG Produktzulassung (Product Licensing).
environmental requirements. The year of manufacture and serial number are applied to
the chainsaw.

23 EC Declaration of Conformity Done at Waiblingen, 10.02.2019

ANDREAS STIHL AG & Co. KG

23.1 STIHL MS 194 T Chainsaw

ANDREAS STIHL AG & Co. KG
Badstrasse 115
D-71336 Waiblingen
Germany
Thomas Elsner, Director Product Management and Services
declare in exclusive responsibility that
– Category: Chainsaw
– Make: STIHL
– Model: MS 194 T

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23 EC Declaration of Conformity English

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English 23 EC Declaration of Conformity

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0458-568-0121-A
englisch
G

www.stihl.com

*04585680121A*
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