STIHL MS 192 T Manuel utilisateur

Marque: STIHL

Modèle: MS 192 T

Catégorie: Tronçonneuses électriques

Taper: Manuel utilisateur

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STIHL MS 192 T

Instruction Manual

Notice d’emploi

G Instruction Manual

1 - 49

F Notice d’emploi

50 - 103

Original Instruction ManualPrinted on chlorine-free paper

Printing inks contain vegetable oils, paper can be recycled.

0458-217-8221-C. VA0.J12.

0000000713_008_GB

MS 192 T, MS 192 TC

English

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with electronic systems.

Contents

Dear Customer,

Thank you for choosing a quality

engineered STIHL product.

This machine has been built using

modern production techniques and

comprehensive quality assurance.

Every effort has been made to ensure

your satisfaction and troublefree use of

the machine.

Please contact your dealer or our sales

company if you have any queries

concerning your machine.

Your

Hans Peter Stihl

Guide to Using this Manual 2

Safety Precautions and Working

Techniques 2

Cutting Attachment 11

Mounting the Bar and Chain 11

Tensioning the Saw Chain (side

chain tensioner) 13

Checking Chain Tension 13

Fuel 13

Fueling 14

Chain Lubricant 18

Filling Chain Oil Tank 18

Checking Chain Lubrication 19

Chain Brake 19

Information Before You Start 20

Starting / Stopping the Engine 20

Operating Instructions 23

Taking Care of the Guide Bar 24

Air Filter System 25

Cleaning the Air Filter 25

Engine Management 26

Adjusting the Carburetor 26

Spark Arresting Screen in Muffler 28

Checking the Spark Plug 28

Replacing the Starter Rope and

Rewind Spring 29

Storing the Machine 32

Checking and Replacing the Chain

Sprocket 32

Maintaining and Sharpening the

Saw Chain 33

Maintenance and Care 37

Main Parts 39

Specifications 41

Special Accessories 42

Ordering Spare Parts 42

Maintenance and Repairs 42

Disposal 43

Important Safety Instructions 43

Key to Symbols 45

STIHL Limited Emission Control

Warranty Statement 46

CSA Standard 48

MS 192 T, MS 192 TC

English

Pictograms

Pictograms that appear on the machine

are explained in this Instruction Manual.

Depending on the machine and

equipment version, the following

pictograms may appear on the machine.

Symbols in text

WARNING

Warning where there is a risk of an

accident or personal injury or serious

damage to property.

NOTICE

Caution where there is a risk of

damaging the machine or its individual

components.

Engineering improvements

STIHL's philosophy is to continually

improve all of its products. For this

reason we may modify the design,

engineering and appearance of our

products periodically.

Therefore, some changes, modifications

and improvements may not be covered

in this manual.

Guide to Using this Manual

Fuel tank; fuel mixture of

gasoline and engine oil

Tank for chain oil; chain

oil

Engage and release

chain brake

Coasting brake

Direction of chain travel

Ematic; chain oil flow

adjustment

Tension saw chain

Intake air baffle: winter

operation

Intake air baffle: summer

operation

Handle heating

Actuate decompression

valve

Actuate manual fuel

pump

Safety Precautions and

Working Techniques

This special chain-

saw may be used

only by persons

who are trained in

special cutting and

working

techniques.

Due to the special handle

design (closely spaced

handles) there is an

increased risk of injury

using this kind of saw (cut

injuries due to uncon-

trolled reactive forces of

the chainsaw). Because

a chainsaw is a high-

speed wood-cutting tool

with very sharp cutters,

some special safety pre-

cautions must be

observed in addition to

those that generally apply

when working with an axe

or hand saw.

It is important you read

and understand the

instruction manual before

first use and keep the

manual in a safe place for

future reference. Non-

observance of the

instruction manual may

result in serious or even

fatal injury.

MS 192 T, MS 192 TC

English

Notes on Usage

Tree surgery chainsaws are special-

purpose saws equipped with a top

handle. They are designed specifically

for tree surgery and maintenance in the

crown of the standing tree. They must

not be used for felling trees or cutting

firewood. Normal chainsaws with wider

spaced handles are recommended for

such operations.

Only cut wood or wooden objects.

Do not use your power tool for any other

purpose because of the increased risk of

accidents.

Chainsaw operators must be properly

secured while working in a tree (e.g. lift

bucket, personal safety equipment,

safety harness).

General Notes

Operators must be specially trained for

tree surgery work with the tree surgery

chainsaw:

– in safe working techniques

– in the use of personal safety

equipment

– in the use of fall protection

equipment

Working in a tree requires the use of

special cutting and working techniques

which must be observed in order to

avoid the increased risk of personal

injury.

Always observe country-specific safety

regulations, standards and ordinances.

The use of noise emitting power tools

may be restricted to certain times by

national or local regulations.

Minors should never be allowed to use a

power tool. Exceptions to this rule are

young persons older than 16 who have

been trained in special cutting

techniques with the tree surgery saw.

Keep bystanders, especially children,

and animals away from the work area.

The user is responsible for avoiding

injury to third parties or damage to their

property.

Lend or rent your chain saw only to

persons who have been specially

trained for tree surgery work with a tree

surgery saw and are familiar with this

model and its operation. Do not lend or

rent your chainsaw without the

instruction manual.

To operate the power tool you must be

rested, in good physical condition and

mental health. If you have any condition

that might be aggravated by strenuous

work, check with your doctor before

operating a power tool.

Persons with pacemakers only: The

ignition system of your power tool

produces an electromagnetic field of a

very low intensity. This field may

interfere with some pacemakers. To

reduce health risks, STIHL recommends

that persons with pacemakers consult

their physician and the pacemaker

manufacturer before operating this tool.

Do not operate the power tool if you are

under the influence of any substance

(drugs, alcohol) which might impair

vision, dexterity or judgment.

To reduce the risk of accidents or injury,

put off the work in poor weather

conditions (rain, snow, ice, wind).

Clothing and Equipment

Wear proper protective clothing and

equipment.

Avoid clothing that could get caught on

branches or brush or moving parts of the

machine. Do not wear a scarf, necktie or

jewelry. Tie up and confine long hair

(e.g. with a hair net, cap, hard hat, etc.).

Clothing must be sturdy

but allow complete free-

dom of movement. Wear

snug-fitting clothing with

cut retardant inserts for

the feet, legs and fore-

arms – a safety

combination, not a coat.

Wear safety boots, suita-

ble for climbing, with cut

retardant inserts, non-slip

soles and steel toes.

Wear a safety hard hat

(preferably with chin

strap) where there is a

danger of head injuries

from falling objects. Wear

safety glasses or a face

shield and hearing pro-

tection, e.g. earplugs or

ear muffs.

Wear heavy-duty gloves

with cut retardant inserts.

MS 192 T, MS 192 TC

English

Use only certified equipment that is

suitable for the application concerned.

Check the condition of the equipment

before each use and replace any

damaged parts.

STIHL offers a comprehensive range of

personal protective clothing and

equipment.

The Power Tool

To avoid serious burn injuries, avoid

touching hot parts of the machine,

especially the surface of the muffler.

Never attempt to modify your power tool

in any way since this may increase the

risk of personal injury. STIHL excludes

all liability for personal injury and

damage to property caused while using

unauthorized attachments.

Transporting the Chainsaw

Always engage the chain brake and fit

the chain guard (scabbard) before

carrying the saw short distances. Also

stop the engine before carrying the saw

longer distances (more than

about 50 m).

Always carry the saw by the control

handle – with the hot muffler away from

your body – the guide bar must point to

the rear.

In vehicles: Properly secure your power

tool to prevent turnover, fuel spillage and

damage.

Cleaning the Power Tool

Do not use a pressure washer to clean

the power tool. The solid jet of water

may damage parts of the power tool.

Storing the Power Tool

When the power tool is not in use, shut it

off so that it does not endanger others.

Secure it against unauthorized use.

Accessories and Spare Parts

Only use tools, guide bars, chains, chain

sprockets and accessories that are

explicitly approved for this power tool

model by STIHL or are technically

identical. If you have any questions in

this respect, consult a servicing dealer.

Use only high quality parts and

accessories in order to avoid the risk of

accidents and damage to the machine.

STIHL recommends the use of STIHL

original tools, guide bars, chains, chain

sprockets and accessories. They are

specifically designed to match the

product and meet your performance

requirements.

Fueling

Always shut off the engine before

refueling.

Do not fuel a hot engine – fuel may spill

and cause a fire.

Open the fuel cap carefully to allow any

pressure build-up in the tank to release

slowly and avoid fuel spillage.

Fuel your power tool only in well-

ventilated areas. If you spill fuel, wipe

the saw immediately. If fuel gets on your

clothing, change immediately.

This reduces the risk of unit vibrations

causing the fuel cap to loosen or come

off and spill quantities of fuel.

Use personal fall protec-

tion equipment.

0012BA024 KN

Gasoline is an extremely

flammable fuel. Keep

clear of naked flames. Do

not spill any fuel – do not

smoke.

Insert the fuel cap with

hinged grip (bayonet-type

cap) correctly in the

opening, turn it as far as

stop and fold the grip

down.

Check for leakage. To

reduce the risk of serious

of fatal burn injuries, do

not start or run the engine

until leak is fixed.

MS 192 T, MS 192 TC

English

Notes on Operation

Before starting work

Check that saw is properly assembled

and in good condition. Refer to

appropriate sections in the instruction

manual:

– Check operation of chain brake,

front hand guard

– Correctly mounted guide bar

– Correctly tensioned chain

– Smooth action of throttle trigger and

throttle trigger lockout – throttle

trigger must return automatically to

idle position.

– Master Control lever / stop switch

must move easily to 0 or STOP.

– Check that the spark plug boot is

secure – a loose boot may cause

arcing that could ignite combustible

fumes and cause a fire.

– Never attempt to modify the controls

or safety devices in any way.

– Keep the handles dry and clean –

free from oil and pitch – for safe

control of the chainsaw.

To reduce the risk of personal injury, do

not operate your saw if it is damaged or

not properly assembled.

Starting the Engine

Starting the saw in a tree is very

dangerous since the user may lose

control of the machine – risk of injury.

The tree surgery saw should be

checked, fueled, started and warmed up

by an assistant on the ground before it is

transported up to the operator in the

tree.

Start the engine at least 3 meters from

the fueling spot, outdoors only.

Place the unit on firm ground in an open

area. Make sure you have good balance

and secure footing. Hold the unit

securely. The cutting attachment must

be clear of the ground and all other

obstructions because it may begin to run

when the engine starts.

The chainsaw is a one-person saw. Do

not allow other persons in the work area

– even when starting.

To reduce risk of chain rotation and

personal injury, lock the chain with the

chain brake before starting.

Do not attempt to start the saw when the

saw chain is in a cut.

During operation

When working in the tree, always secure

the chainsaw with a rope – tie it to the

ring and attach it to the lifeline. Always

engage the chain brake before letting

the chainsaw hang by the rope.

Make sure you always have good

balance and secure footing.

In the event of impending danger or in

an emergency, switch off the engine

immediately by moving the Master

Control / stop switch to 0 or STOP.

Your power tool is designed to be

operated by one person only. Do not

allow other persons in the work area.

Never leave a running power tool

unattended.

When the engine is running: Note that

the chain continues to rotate for a short

period after you let go of the throttle

trigger (flywheel effect).

Take special care in slippery conditions

– damp, snow, ice, on slopes, uneven

ground and freshly debarked logs.

Watch out for obstacles such as tree

stumps, roots and ditches which could

cause you to trip or stumble.

Do not work alone – keep within calling

distance of other persons trained in first

aid who can provide assistance in an

emergency. Helpers at the cutting site

must also wear protective clothing (hard

hat) and stand well clear of the branches

being cut.

Be particularly alert and cautious when

wearing hearing protection because

your ability to hear warnings (shouts,

alarms, etc.) is restricted.

To reduce the risk of accidents, take a

break in good time to avoid tiredness or

exhaustion.

To reduce risk of fire, keep hot exhaust

gases and hot muffler away from easily

combustible materials (e.g. wood chips,

bark, dry grass, fuel). Mufflers with a

catalytic converter can become

particularly hot.

MS 192 T, MS 192 TC

English

To reduce the risk of serious or fatal

injury from breathing toxic fumes,

ensure proper ventilation when working

in trenches, hollows or other confined

locations.

To reduce the risk of accidents, stop

work immediately in the event of

nausea, headache, visual disturbances

(e.g. reduced field of vision), problems

with hearing, dizziness, deterioration in

ability to concentrate. Apart from other

possibilities, these symptoms may be

caused by an excessively high

concentration of exhaust gases in the

work area.

The dusts (e.g. sawdust), vapor and

smoke produced during operation may

be dangerous to health. If dust levels are

very high, wear a suitable respirator.

Check the saw chain at regular short

intervals during operation or

immediately if there is a noticeable

change in cutting behavior:

– Shut off the engine and wait until the

chain comes to a complete

standstill.

– Check condition and proper

mounting.

– Check sharpness.

Do not touch the chain while the engine

is running. If the chain becomes jammed

by an obstruction, switch off the engine

immediately before attempting to

remove the obstruction – risk of injury.

To reduce the risk of injury, shut off the

engine before changing the saw chain.

To reduce the risk of fire, do not smoke

while operating or standing near your

power tool. Note that combustible fuel

vapor may escape from the fuel system.

If your power tool is subjected to

unusually high loads for which it was not

designed (e.g. heavy impact or a fall),

always check that it is in good condition

before continuing work – see also

"Before Starting". Check the fuel system

in particular for leaks and make sure the

safety devices are working properly. Do

not continue operating your power tool if

it is damaged. In case of doubt, have the

unit checked by your servicing dealer.

Make sure the idle speed setting is

correct. The chain must not run when

the engine is idling with the throttle

trigger released. Check and correct the

idle speed setting at regular intervals. If

the saw chain still moves, have your

dealer check your machine and make

proper adjustments or repairs.

Holding and Controlling the Power Tool

Make sure you always have good

balance and secure footing. To avoid

slipping, take special care when the bark

is wet.

Your power tool produces

toxic exhaust fumes as

soon as the engine is

running. These fumes

may be colorless and

odorless and contain

unburned hydrocarbons

and benzol. Never run

the engine indoors or in

poorly ventilated loca-

tions, even if your model

is equipped with a cata-

lytic converter.

To reduce the risk of

accidents and injuries,

always hold your saw

firmly with both hands:

Right hand on the control

handle, even if you are

left-handed. To ensure

safe control, wrap your

fingers tightly around

both handles.

One-handed operation is

particularly dangerous,

e.g. when cutting dry,

knotty and dead wood,

the chain may not enter

the cut properly. The

resultant reactive forces

may cause the saw to

skate or bounce on the

limb and slide out of

control. This increases

the risk of serious or even

fatal injury.

0012BA019 KN

MS 192 T, MS 192 TC

English

Use the tree surgery chainsaw with one

hand only:

– if two-handed cutting is not possible

and

– if one hand is required for support

during the cut and

– if the saw is held firmly and

– if all parts of your body are clear of

the cutting attachment.

During one-handed cutting:

– never support yourself on the limb

being cut

– never cut with the bar nose

– never attempt to hold falling limbs

Reactive Forces

The most common reactive forces that

occur during cutting are: kickback,

pushback and pull-in.

Dangers of kickback

Kickback occurs when the saw is

suddenly thrown up and back in an

uncontrolled arc towards the operator.

Kickback occurs, e.g.

– when the upper quadrant of the bar

nose unintentionally contacts wood

or another solid object, e.g. when

another limb is touched accidentally

during limbing.

– when the chain at the nose of the

guide bar is pinched in the cut.

Quickstop chain brake:

This device reduces the risk of injury in

certain situations – it cannot prevent

kickback. If activated, the brake stops

the saw chain within a fraction of a

second –

for a description of this device refer to

chapter on "Chain Brake" in this manual.

To reduce the risk of kickback

– Work cautiously and avoid

situations which could cause

kickback.

– Hold the saw firmly with both hands

and maintain a secure grip.

– Always cut at full throttle.

– Be aware of the location of the guide

bar nose at all times.

– Do not cut with the bar nose.

– Take special care with small, tough

limbs, they may catch the chain.

– Never cut several limbs at once.

– Do not overreach.

– Never cut above shoulder height.

– Use extreme caution when re-

entering a previous cut.

– Do not attempt plunge cuts if you

are not experienced in this cutting

technique.

– Be alert for shifting of the log or

other forces that may cause the cut

to close and pinch the chain.

Kickback can result in

serious or fatal injury.

0012BA022 KN

001BA093 LÄ

MS 192 T, MS 192 TC

English

– Always cut with a correctly

sharpened, properly tensioned

chain – the depth gauge setting

must not be too large.

– Use a low kickback chain and a

narrow radius guide bar.

Pull-in (A)

Pull-in occurs when the chain on the

bottom of the bar is suddenly pinched,

caught or encounters a foreign object in

the wood. The reaction of the chain pulls

the saw forward – always hold the

spiked bumper securely against the tree

or limb.

Pushback (B)

Pushback occurs when the chain on the

top of the bar is suddenly pinched,

caught or encounters a foreign object in

the wood. The reaction of the chain

drives the saw straight back toward the

operator. To avoid pushback:

– Be alert to situations that may cause

the top of the guide bar to be

pinched

– Do not twist the guide bar in the cut.

Cutting

Do not operate your saw with the

starting throttle lock engaged. Engine

speed cannot be controlled with the

throttle trigger in this position.

Work calmly and carefully – in daylight

conditions and only when visibility is

good. Ensure you do not endanger

others – stay alert at all times.

Use the shortest possible guide bar: The

chain, guide bar and chain sprocket

must match each other and your saw.

Position the saw so that your body is

clear of the cutting attachment.

If conditions allow, work from a lift

bucket.

Never work on a ladder or on any other

insecure support, do not work above

shoulder height.

Cordon off the work area in order to

reduce the risk of injuries and damage to

property from falling branches (e.g.

motor vehicles).

001BA037 KN

001BA038 KN

001BA082 KN

001BA064 LÄ

MS 192 T, MS 192 TC

English

When working with a lifeline there is a

risk of cutting through the rope – to

reduce the risk of fall injuries , always

use double lifelines.

Take special care when cutting through

a limb. Hold the machine firmly to control

and counteract the feed force. Note

when reaching the end of a cut that the

saw is no longer supported in the kerf.

You have to take the full weight of the

saw since it might otherwise go out of

control – increased risk of accidents.

Make sure your saw does not touch any

foreign materials: Stones, nails, etc. may

be flung off and damage the saw chain.

The saw may kick back unexpectedly –

risk of accidents.

Do not underbuck freely hanging limbs

because the chain may get pinched and

cause kickback and loss of control.

To reduce the risk of injury, take special

care when cutting shattered wood

because of the risk of injury from slivers

being caught and thrown in your

direction.

After finishing a cut, activate the chain

brake to lock the chain or shut off the

engine before moving the saw to

another position in the tree.

Cutting techniques:

Begin cutting with the saw at full throttle

and (if possible) engage the spiked

bumper firmly in the wood, and then

continue cutting.

Always work with the spiked bumper so

that you have better control of the saw. If

you work without the spiked bumper the

saw may pull you forwards suddenly.

Always pull the saw out of the cut with

the chain running.

– Cut straight through thin limbs

– In case of thick limbs, first perform

relieving cut from below (approx. 1/5

of diameter), then buck from above

– Support and secure heavy

branches with ropes.

If the saw gets pinched in the cut:

– Shut off the engine and secure the

saw to the tree – in direction of

trunk.

– Carefully free the saw from the cut,

using another saw if necessary.

Limbs under tension:

N Always start relieving cut 1) at the

compression side (A).

N Make relieving cut (1) and then

perform bucking cut (2) at the

tension side (B) – the saw will

otherwise pinch or kick back.

If not otherwise possible, make the

bucking cut from the bottom upwards

(underbuck) – be wary of pushback.

Vibrations

Prolonged use of the power tool may

result in vibration-induced circulation

problems in the hands (whitefinger

disease).

No general recommendation can be

given for the length of usage because it

depends on several factors.

The period of usage is prolonged by:

– Hand protection (wearing warm

gloves)

– Work breaks

Warning! To avoid risk of

electrocution, take extra

precautions when cutting

near power lines. Have

the power switched off

before starting cutting

work in the immediate

vicinity of power lines.

MS 192 T, MS 192 TC

English

The period of usage is shortened by:

– Any personal tendency to suffer

from poor circulation (symptoms:

frequently cold fingers, tingling

sensations).

– Low outside temperatures.

– The force with which the handles

are held (a tight grip restricts

circulation).

Continual and regular users should

monitor closely the condition of their

hands and fingers. If any of the above

symptoms appear (e.g. tingling

sensation in fingers), seek medical

advice.

Maintenance and Repairs

Service the machine regularly. Do not

attempt any maintenance or repair work

not described in the instruction manual.

Have all other work performed by a

servicing dealer.

STIHL recommends that you have

servicing and repair work carried out

exclusively by an authorized STIHL

servicing dealer. STIHL dealers are

regularly given the opportunity to attend

training courses and are supplied with

the necessary technical information.

Only use high-quality replacement parts

in order to avoid the risk of accidents

and damage to the machine. If you have

any questions in this respect, consult a

servicing dealer.

STIHL recommends the use of genuine

STIHL replacement parts. They are

specifically designed to match your

model and meet your performance

requirements.

To reduce the risk of injury, always shut

off the engine before carrying out any

maintenance or repairs or cleaning the

machine. – Exception: Carburetor and

idle speed adjustments.

Do not turn the engine over on the

starter with the spark plug boot or spark

plug removed unless the slide control /

stop switch is on STOP or 0 since there

is otherwise a risk of fire from

uncontained sparking.

To reduce the risk of fire, do not service

or store your machine near open flames.

Check the fuel filler cap for leaks at

regular intervals.

Use only a spark plug of the type

approved by STIHL and make sure it is

in good condition – see "Specifications".

Inspect the ignition lead (insulation in

good condition, secure connection).

Check the condition of the muffler.

To reduce the risk of fire and damage to

hearing, do not operate your machine if

the muffler is damaged or missing. –

Do not touch a hot muffler since burn

injury will result.

Vibration behavior is influenced by the

condition of the AV elements – check the

AV elements at regular intervals.

Check the chain catcher and replace it if

damaged.

Stopping the Engine

– before checking chain tension.

– before retensioning the chain.

– before replacing the chain.

– before rectifying problems.

Observe sharpening instructions – keep

the chain and guide bar in good

condition at all times for safe and correct

handling of the saw. The chain must be

properly sharpened, tensioned and well

lubricated.

Always change the chain, guide bar and

sprocket in good time.

Check condition of clutch drum

periodically.

Store fuel and chain lubricant in properly

labelled, safety-type canisters only.

When handling gasoline, avoid direct

contact with the skin and avoid inhaling

fuel vapour – health risk.

To reduce the risk of injury, shut off the

engine immediately if the chain brake

malfunctions – contact your servicing

dealer – do not use your power tool until

the problem has been rectified (see

"Chain Brake").

Maintenance, replacement, or repair of

the emission control devices and

systems may be performed by any

nonroad engine repair establishment or

individual. However, if you make a

warranty claim for a component which

has not been serviced or maintained

properly or if nonapproved replacement

parts were used, STIHL may deny

coverage.

For any maintenance please refer to the

maintenance chart and to the warranty

statement near the end of the instruction

manual.

MS 192 T, MS 192 TC

English

STIHL is the only manufacturer in the

industry to produce its own chain saws,

guide bars, saw chains and chain

sprockets.

A cutting attachment consists of the saw

chain, guide bar and chain sprocket.

The cutting attachment that comes

standard is designed to exactly match

the chain saw.

– The pitch (t) of the saw chain (1),

chain sprocket and the nose

sprocket of the Rollomatic guide bar

must match.

– The drive link gauge (2) of the saw

chain (1) must match the groove

width of the guide bar (3).

If non-matching components are used,

the cutting attachment may be damaged

beyond repair after a short period of

operation.

Chain Scabbard

Your saw comes standard with a chain

scabbard that matches the cutting

attachment.

If guide bars of different lengths are

mounted to the saw, always use a chain

scabbard of the correct length which

covers the complete guide bar.

The length of the matching guide bars is

marked on the side of the chain

scabbard.

Releasing the chain brake

N Pull the hand guard (4) toward the

control handle until there is an

audibleclick – the chain is

disengaged.

Removing the chain sprocket cover

N Unscrew the nut (5) and remove the

cover (6).

Cutting Attachment

001BA248 KN

001BA244 KN

Mounting the Bar and Chain

142BA057 KN

142BA058 KN

MS 192 T, MS 192 TC

English

Mounting the guide bar

N Turn the screw (7)

counterclockwise until the tensioner

slide (8) butts against left end of

housing slot.

N Fit the guide bar over the stud (9)

and engage the peg of the tensioner

slide in the locating hole (10).

Fitting the chain

WARNING

Wear work gloves to protect your hands

from the sharp cutters.

N Fit chain around the sprocket (11)

and over the guide bar – cutting

edges on top of bar must point to

bar nose.

N Turn the tensioning screw (7)

clockwise until there is very little

chain sag on the underside of the

bar – and the drive link tangs are

engaged in the bar groove.

N Refit the sprocket cover –

the pivot pin on the hand guard must

engage the sleeve – and then screw

the nut onto the stud fingertight.

N Go to chapter on "Tensioning the

Saw Chain"

142BA059 KN

142BA060 KN

142BA061 KN

142BA062 KN

MS 192 T, MS 192 TC

English

Retensioning during cutting work:

N Switch off the engine.

N Loosen the nut.

N Hold the bar nose up.

N Use a screwdriver to turn the

tensioning screw (1) clockwise until

the chain fits snugly against the

underside of the bar.

N While still holding the bar nose up,

tighten down the nut firmly.

N Go to "Checking Chain Tension".

A new chain has to be retensioned more

often than one that has been in use for

some time.

N Check chain tension frequently –

see chapter on "Operating

Instructions".

N Shut off the engine.

N Wear work gloves to protect your

hands.

N The chain must fit snugly against

the underside of the bar and it must

still be possible to pull the chain

along the bar by hand when the

chain brake is released.

N If necessary, retension the chain.

A new chain has to be retensioned more

often than one that has been in use for

some time.

N Check chain tension frequently –

see chapter on "Operating

Instructions".

This engine is certified to operate on

unleaded gasoline and with the mix ratio

50:1.

Your engine requires a mixture of high-

quality premium gasoline and high-

quality two-stroke air-cooled engine oil.

Use premium branded unleaded

gasoline with a minimum octane rating

of 89 (R+M)/2.

Note: Models equipped with a catalytic

converter require unleaded gasoline. A

few tankfuls of leaded gasoline can

reduce the efficiency of the catalytic

converter by more than 50%.

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 the 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

high-quality fuels!

Fuels with different percentages of

ethanol are being offered. Ethanol can

affect the running behaviour of the

engine and increase the risk of lean

seizure.

Tensioning the Saw Chain

(side chain tensioner)

142BA063 KN

Checking Chain Tension

142BA064 KN

Fuel

MS 192 T, MS 192 TC

English

Gasoline with an ethanol content of

more than 10% can cause running

problems and major damage in engines

with a manually adjustable carburetor

and should not be used in such engines.

Engines equipped with M-Tronic can be

run on gasoline with an ethanol content

of up to 25% (E25).

Use only STIHL two-stroke engine oil or

equivalent high-quality two-stroke air-

cooled engine oils 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!

Use only STIHL 50:1 heavy-duty engine

oil or an equivalent quality two-stroke

engine oil for the fuel mix in models

equipped with a catalytic converter.

Take care when handling gasoline.

Avoid direct contact with the skin and

avoid inhaling fuel vapour.

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.

Fuel mix ratio

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.

Dispose of empty mixing-oil canisters

only at authorized disposal locations.

Preparations

N Before fueling, clean the filler cap

and the area around it to ensure that

no dirt falls into the tank.

N Position the machine so that the

filler cap is facing up.

Tank cap markings

Tank caps and fuel tanks may be

marked in different ways

Depending on the version, your machine

may be equipped with a tank cap and

fuel tank with or without symbols.

Examples

Gasoline Oil (STIHL 50:1 or equiva-

lent high-quality oils)

liters liters (ml)

10.02(20)

5 0.10 (100)

10 0.20 (200)

15 0.30 (300)

20 0.40 (400)

25 0.50 (500)

Fueling

MS 192 T, MS 192 TC

English

Tank cap without symbols

Opening

N Swing the grip to the upright

position.

N Rotate the tank cap about a quarter

turn counterclockwise.

N Remove the cap.

Filling up with fuel

Take care not to spill fuel while fueling

and do not overfill the tank.

STIHL recommends you use the STIHL

filler nozzle for fuel (special accessory).

N Fill up with fuel.

Closing

Grip must be vertical:

N Fit the cap – positioning marks on

tank cap and filler neck must be in

alignment.

N Press the cap down as far as stop.

N While holding the cap depressed,

turn it clockwise until it engages in

position.

N Fold the grip flush with the top of the

cap.

Checking security of cap

– The lug on the grip must fully

engage the recess (arrow).

Left: Tank cap without symbols

Right: Tank cap with markings and

symbols on cap and tank

001BA240 KN

001BA218 KN

001BA219 KN

001BA224 KN

001BA220 KN

001BA221 KN

001BA222 KN

001BA223 KN

MS 192 T, MS 192 TC

English

N Grip the cap – it is properly locked if

it cannot be turned or removed.

If the cap can be turned or removed

Bottom of cap is twisted in relation to

top:

N Place the cap on the opening and

rotate it counterclockwise until it

engages the filler neck.

N Continue rotating the cap

counterclockwise (about a quarter

turn) – this causes the bottom of the

cap to be turned to the correct

position.

N Turn and lock the cap clockwise –

see sections on "Closing" and

"Checking security of cap".

Tank cap with markings and symbols

Opening

N Raise the grip until it is upright.

N Turn the cap counterclockwise

(about a quarter turn).

Marks on tank cap and fuel tank must

line up.

N Remove the cap.

Filling up with fuel

Take care not to spill fuel while fueling

and do not overfill the tank.

STIHL recommends you use the STIHL

filler nozzle for fuel (special accessory).

N Fill up with fuel.

Left: Bottom of cap twisted

Right: Bottom of cap correctly

positioned

001BA225 KN

001BA227 KN

001BA226 KN

001BA236 KN

001BA232 KN

001BA234 KN

001BA237 KN

MS 192 T, MS 192 TC

English

Closing

Grip must be vertical:

N Fit the cap – marks on tank cap and

fuel tank must line up.

N Press the cap down as far as stop.

N While holding the cap depressed,

turn it clockwise until it engages in

position.

The marks on the tank cap and fuel tank

are then in alignment.

N Fold the grip down so that it is flush

with the top of the cap.

Tank cap is locked.

If the tank cap cannot be locked in the

fuel tank opening

Bottom of cap is twisted in relation to

top.

N Remove the cap from the fuel tank

and check it from above.

N Place the cap on the opening and

rotate it counterclockwise until it

engages the filler neck.

N Continue rotating the cap

counterclockwise (about a quarter

turn) – this causes the bottom of the

cap to be turned to the correct

position.

N Turn the cap clockwise and lock it in

position – see section on "Closing".

001BA234 KN

001BA233 KN

001BA231 KN

001BA235 KN

001BA241 KN

Left: Bottom of cap is twisted –

inner mark (1) in line with

outer mark.

Right: Bottom of cap in correct posi-

tion – inner mark is under the

grip. It is not in line with the

outer mark.

001BA238 KN

001BA239 KN

MS 192 T, MS 192 TC

English

For automatic and reliable lubrication of

the chain and guide bar – use only an

environmentally compatible quality

chain and bar lubricant. Rapidly

biodegradable STIHL Bioplus is

recommended.

NOTICE

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 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.

WARNING

Do not use waste oil. Renewed contact

with waste oil can cause skin cancer.

Moreover, waste oil is environmentally

harmful.

NOTICE

Waste oil does not have the necessary

lubricating properties and is unsuitable

for chain lubrication.

Preparations

N Thoroughly clean the oil filler cap

and the area around it to ensure that

no dirt falls into the tank.

N Position the machine so that the

filler cap is facing up.

N Open the filler cap.

Filling chain oil tank

N Refill the chain oil tank every time

you refuel.

Take care not to spill chain oil while

refilling and do not overfill the tank.

STIHL recommends you use the STIHL

filler nozzle for chain oil (special

accessory).

N Close the filler cap.

NOTICE

There must still be a small amount of oil

in the oil tank when the fuel tank is

empty.

If the oil level in the tank does not go

down, the reason may be a fault in the oil

supply system: Check chain lubrication,

clean the oilways, contact your dealer

for assistance if necessary STIHL

recommends that you have servicing

and repair work carried out exclusively

by an authorized STIHL servicing

dealer.

Chain Lubricant Filling Chain Oil Tank

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STIHL MS 192 T Manuel utilisateur

Marque: STIHL

Modèle: MS 192 T

Catégorie: Tronçonneuses électriques

Taper: Manuel utilisateur

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English: STIHL MS 192 T User manual

STIHL MS 192 T Manuel utilisateur

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