Stihl MS 201 TC-M User manual

{
STIHL MS 201 TC-M
WARNING To reduce the risk of
kickback injury use STIHL reduced kickback bar
and STIHL low kickback chain as specified in
this manual or other available low kickback
components.
ADVERTENCIA Para reducir el
riesgo de lesionarse como resultado de un
culatazo, utilice la barra y la cadena de
contragolpe reducido de la forma especificada
en este manual o de otros componentes
reductores de contragolpe.
Read Instruction Manual thoroughly before
use and follow all safety precautions –
improper use can cause serious or fatal injury.
Antes de usar la máquina lea y siga todaslas precauciones
de seguridad dadas en el manual de instrucciones – el uso
incorrecto puede causar lesiones graves o mortales.
Instruction Manual
Manual de instrucciones

Instruction Manual
1 - 53
Manual de instrucciones
54 - 114

Original Instruction ManualPrinted on chlorine-free paper
Printing inks contain vegetable oils, paper can be recycled.
© ANDREAS STIHL AG & Co. KG, 2016 0458-599-8621-A. VA3.K16. 0000006727_005_GB
MS 201 TC-M
English
1
{This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process
with electronic systems.
Contents
This manual contains operating and
safety instructions for all STIHL
Professional Tree Service Chain Saws.
A professional tree service chain saw is
designed especially for in-tree
maintenance, tree surgery and other
cutting work in confined spaces such as
working from a rope and harness or from
a lift-bucket.
Allow only persons who fully understand
this manual to operate your chain saw.
To receive maximum performance and
satisfaction from your STIHL chain saw,
it is important that you read, understand
and follow the safety precautions and
the operating and maintenance
instructions in chapter "Safety
Precautions for Chain saw Users" and
"Safety Precautions" before using your
chain saw. For further information you
can go to www.stihlusa.com.
Contact your STIHL dealer or the STIHL
distributor for your area if you do not
understand any of the instructions in this
manual.
WARNING
Because a chain saw is a high-speed
wood-cutting tool, some special safety
precautions must be observed as with
any other power saw to reduce the risk
of personal injury. Careless or improper
use may cause serious or even fatal
injury.
Guide to Using this Manual 2
Safety Precautions and Working
Techniques 3
Cutting Attachment 22
Mounting the Bar and Chain 22
Tensioning the Saw Chain (side
chain tensioner) 23
Checking Chain Tension 24
Fuel 24
Fueling 25
Chain Lubricant 27
Filling Chain Oil Tank 27
Checking Chain Lubrication 28
Chain Brake 28
Winter Operation 29
Starting / Stopping the Engine 30
Operating Instructions 32
Oil Quantity Control 33
Taking Care of the Guide Bar 34
Cleaning the Air Filter 34
Engine Management 35
M-Tronic 35
Spark Arresting Screen in Muffler 35
Spark Plug 36
Storing the Machine 37
Checking and Replacing the Chain
Sprocket 37
Maintaining and Sharpening the
Saw Chain 39
Maintenance and Care 43
Main Parts 45
Specifications 47
Ordering Spare Parts 48
Maintenance and Repairs 48
Disposal 48
STIHL Incorporated Federal
Emission Control Warranty
Statement 49
STIHL Incorporated California
Exhaust and Evaporative
Emissions Control Warranty
Statement 51
Trademarks 53

MS 201 TC-M
English
2
This Instruction Manual refers to a
STIHL chain saw, also called a machine
in this Instruction Manual.
Pictograms
The meanings of the pictograms
attached to or embossed on the
machine are explained in this manual.
Depending on the model concerned, the
following pictograms may be on your
machine.
Symbols in Text
Many operating and safety instructions
are supported by illustrations.
The individual steps or procedures
described in the manual may be marked
in different ways:
NA bullet marks a step or procedure.
A description of a step or procedure that
refers directly to an illustration may
contain item numbers that appear in the
illustration. Example:
NLoosen the screw (1).
NLever (2) ...
In addition to the operating instructions,
this manual may contain paragraphs
that require your special attention. Such
paragraphs are marked with the
symbols and signal words described
below:
DANGER
Indicates a hazardous situation that, if
not avoided, will result in death or
serious injury.
WARNING
Indicates a hazardous situation that, if
not avoided, could result in death or
serious injury.
NOTICE
Indicates a risk of property damage,
including damage to the machine or its
individual components.
Engineering Improvements
STIHL’s philosophy is to continually
improve all of its products. As a result,
engineering changes and improvements
are made from time to time. Therefore,
some changes, modifications and
improvements may not be covered in
this manual. If the operating
characteristics or the appearance of
your machine differs from those
described in this manual, please contact
your STIHL dealer or the STIHL
distributor for your area for assistance.
Guide to Using this Manual
Fuel tank; fuel mixture of
gasoline and engine oil
Chain oil tank; chain oil
Engaging and disengag-
ing the STIHL Quickstop
chain brake
Direction of chain rotation
Ematic; chain oil quantity
control
Tension the chain
Intake air preheating for
winter operation
Intake air for summer
operation
Handle heating
Operate decompression
valve
Operate manual fuel
pump

MS 201 TC-M
English
3
This lightweight top handle chain saw is
designed specifically for in-tree surgery
and maintenance.
This increased risk includes injuries due
to not having a firm grip on the saw in
case of reactive forces or to loss of
control of the saw, leading, e.g., to leg
injuries from the chain saw "dropping" at
the end of the cut.
Regular chain saws with a less compact
design, i.e., (with wider spaced handles
for better control), should be used for all
other cutting work at ground level.
WARNING
Working in a tree requires the use of
special cutting and working techniques
which must be observed in order to
reduce the increased risk of personal
injury.
Never work in a tree unless you have
received specific, professional training
for such work, including training in the
use of the safety and other climbing
equipment, such as harnesses, ropes,
belts, climbing irons, snap hooks,
carabiners, etc.
WARNING
The use of this chain saw may be
hazardous. The saw chain has many
sharp cutters. If the cutters contact your
flesh, they will cut you, even if the chain
is not moving.
WARNING
Reactive forces, including kickback, can
be dangerous. Pay special attention to
the section on reactive forces.
Have your STIHL dealer show you how
to operate your chain saw. All safety
precautions that are generally observed
when working with an axe or a hand saw
also apply to the operation of chain
saws. Observe all applicable federal,
state and local safety regulations,
standards and ordinances.
WARNING
Do not lend or rent your chain saw
without the instruction manual. Be sure
that anyone using it understands the
information contained in this manual.
The use of noise emitting chain saws
may be restricted to certain times by
national, state or local regulations.
Use your chain saw only for cutting
wooden objects.
WARNING
Do not use it for other purposes, since
misuse may result in personal injury or
property damage, including damage to
the chain saw.
Safety Precautions and
Working Techniques
Due to its light weight and
special compact handle
design it is particularly
useful in confined spaces
such as in-tree work
where great maneuvera-
bility is required. For
other uses, however, a
saw with wider handle
spacing will normaly pro-
vide greater control. If the
operator is not properly
secured for two-hand
use, there is an
increased risk of injury
when working in a tree
from loss of control.
For this reason
these special
chain saws should
be used only for
work in a tree by
persons who are
trained in special
cutting and work-
ing techniques and
who are properly
secured (lift
bucket, ropes,
safety harness)
Because a chain saw is a
high-speed, fast-cutting
power tool, special safety
precautions must be
observed to reduce the
risk of personal injury.
It is important that you
read, fully understand
and observe the following
safety precautions and
warnings. Read the
instruction manual and
the safety instructions
periodically. Careless or
improper use may cause
serious or fatal injury.
Save the instruction man-
ual for future reference.

MS 201 TC-M
English
4
WARNING
Minors should never be allowed to use
this chain saw. Bystanders, especially
children, and animals should not be
allowed in the area where it is in use.
Most of these safety precautions and
warnings apply to the use of all STIHL
chain saws. Different models may have
different parts and controls. See the
appropriate section of your instruction
manual for a description of the controls
and the function of the parts of your
model.
WARNING
Always stop the engine and activate the
QuickStop Chainbrake before
transporting or carrying out any work on
the chain saw. This avoids the risk of the
engine starting unintentionally.
STIHL recommends the use of genuine
STIHL replacement parts. They are
specifically designed to match your
model and meet your performance
requirements.
Safe use of a chain saw involves
1the operator
2the chain saw
3the use of the chain saw.
THE OPERATOR
Physical Condition
You must be in good physical condition
and mental health and not under the
influence of any substance (drugs,
alcohol, etc.) which might impair vision,
dexterity or judgment. Do not operate
this chain saw when you are fatigued.
WARNING
Be alert – if you get tired, take a break.
Tiredness may result in loss of control.
Working with any power tool can be
strenuous. If you have any condition that
might be aggravated by strenuous work,
check with your doctor before operating
this chain saw.
WARNING
Prolonged use of a chain saw (or other
power tools) exposing the operator to
vibrations may produce whitefinger
disease (Raynaud's phenomenon) or
carpal tunnel syndrome.
These conditions reduce the hand's
ability to feel and regulate temperature,
produce numbness and burning
sensations and may cause nerve and
circulation damage and tissue necrosis.
All factors which contribute to white-
finger disease are not known, but cold
weather, smoking and diseases or
physical conditions that affect blood
vessels and blood transport, as well as
high vibration levels and long periods of
exposure to vibration are mentioned as
factors in the development of whitefinger
disease. In order to reduce the risk of
whitefinger disease and carpal tunnel
syndrome, please note the following:
–Most STIHL chain saws are
available with an anti-vibration
("AV") system designed to reduce
the transmission of vibrations
created by the chain saw to the
operator's hands. An AV system is
recommended for those persons
using chain saws on a regular or
sustained basis.
–Wear gloves and keep your hands
warm. Heated handles, which are
available on some STIHL chain
saws, are recommended for cold
weather use.
–Keep the AV system well
maintained. A chain saw with loose
components or with damaged or
worn AV elements will tend to have
higher vibration levels.
–Keep the saw chain sharp and well
maintained. A dull saw chain will
increase cutting time, and pressing
a dull saw chain through wood will
increase the vibrations transmitted
to your hands.
–Maintain a firm grip at all times, but
do not squeeze the handles with
constant, excessive pressure. Take
frequent breaks.
All the above-mentioned precautions do
not guarantee that you will not sustain
whitefinger disease or carpal tunnel
syndrome. Therefore, continual and
regular users should closely monitor the

MS 201 TC-M
English
5
condition of their hands and fingers. If
any of the above symptoms appear,
seek medical advice immediately.
WARNING
The ignition system of the STIHL unit
produces an electromagnetic field of a
very low intensity. This field may
interfere with some pacemakers. To
reduce the risk of serious or fatal injury,
persons with a pacemaker should
consult their physician and the
pacemaker manufacturer before
operating this chain saw.
Proper Clothing
WARNING
To reduce the risk of injury, the operator
should wear proper protective apparel.
Be particularly alert and cautious when
wearing hearing protection because
your ability to hear warnings (shouts,
alarms, etc.) is restricted.
Any crew member in the cutting area
should also wear proper protective
clothing, especially hard hats, to protect
their heads.
Clothing must be sturdy
and snug-fitting, but allow
complete freedom of
movement. To reduce the
risk of cut injuries, wear
the type of overalls, long
pants or chaps that con-
tain pads of cut-retardant
material, if feasible
depending on the individ-
ual application. Avoid
loose-fitting jackets,
scarfs, neckties, jewelry,
flared or cuffed pants,
unconfined long hair or
anything that could
become caught on
branches, brush or the
moving parts of the chain
saw. Secure hair so it is
above shoulder level.
Good footing is very
important. Wear sturdy
footwear with nonslip
soles suitable for climb-
ing in trees. Never wear
sandals, flip-flops or go
barefoot.
Always wear heavy-duty
work gloves (e.g. made of
leather or wear resistant
material) when handling
the chain saw and the
cutting tool. Heavy-duty,
nonslip gloves improve
your grip and help to pro-
tect your hands.
To reduce the risk of
injury to your eyes never
operate your power tool
unless wearing goggles
or properly fitted protec-
tive glasses with
adequate top and side
protection complying with
ANSI Z87 "+" (or your
applicable national stand-
ard). If there is a risk of
injury to your face, STIHL
recommends that you
also wear a face shield or
face screen over your
goggles or protective
glasses.
Wear an approved safety
hard hat to reduce the
risk of injury to your head.
Chain saw noise may
damage your hearing.
Wear sound barriers (ear
plugs or ear mufflers) to
help protect your hearing.
Continual and regular
users should have their
hearing checked
regularly.
Use proper equipment at
all times to protect your-
self from falling.

MS 201 TC-M
English
6
THE CHAIN SAW
For illustrations and definitions of the
chain saw parts see the chapter on
"Main Parts."
WARNING
Never modify this chain saw in any way.
Only attachments supplied by STIHL or
expressly approved by STIHL for use
with the specific STIHL model are
authorized. Although certain
unauthorized attachments are useable
with STIHL chain saws, their use may, in
fact, be extremely dangerous.
WARNING
Never operate your chain saw if it is
damaged, improperly adjusted or
maintained, or not completely or
securely assembled.
If this chain saw 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. Check in
particular that the fuel system is tight (no
leaks) and that the controls and safety
devices are working properly. Do not
continue operating this chain saw if it is
damaged. In case of doubt, have it
checked by your STIHL servicing dealer.
THE USE OF THE CHAIN SAW
Transporting the Chain Saw
WARNING
Always stop the engine before putting
the chain saw down. Carrying a chain
saw with the engine running may be
extremely dangerous.
Accidental acceleration of the engine
can cause the saw chain to rotate.
Always engage the chain brake when
taking more than a few steps.
By hand: When transporting your chain
saw by hand, the engine must be shut
off and the chain saw must be in the
proper position, i.e., grip the top handle
and place the muffler away from the
body; the chain guard (scabbard) should
be over the saw chain and guide bar,
which should point backwards, away
from the direction in which you are
walking.
By vehicle: When transporting in a
vehicle, keep saw chain and bar covered
with the chain guard (scabbard).
Properly secure your chain saw to
prevent turnover, fuel spillage and
damage to the chain saw.
Fuel
Your STIHL chain saw uses an oil-
gasoline mixture for fuel (see the
chapter on "Fuel" of your instruction
manual).
WARNING
Fueling Instructions
WARNING
Fuel your chain saw in well-ventilated
areas, outdoors. Always shut off the
engine and allow it to cool before
refueling. Gasoline vapor pressure may
001BA275 KN
Gasoline is an extremely
flammable fuel. If spilled
and ignited by a spark or
other ignition source, it
can cause fire and seri-
ous burn injury or
property damage. Use
extreme caution when
handling gasoline or fuel
mix. Do not smoke or
bring any fire or flame
near the fuel or the chain
saw. Note that combus-
tible fuel vapor may
escape from the fuel
system.

MS 201 TC-M
English
7
build up inside the fuel tank depending
on the fuel used, the weather conditions
and the tank venting system.
In order to reduce the risk of burns and
other personal injury from escaping gas
vapor and fumes, remove the fuel filler
cap on your chain saw carefully so as to
allow any pressure build-up in the tank
to release slowly.
Flip up the lever and slowly turn left (1)
to the vent position of the cap at about
1/8 turn where the cap is held in place by
the thread. Once the fumes have been
relieved, turn (2) the cap further to the
1/4 turn position where the tool-less cap
can be removed from the tank thread.
Never remove the fuel filler cap by
quickly turning it to the full 1/4 open
position without letting it vent out any
vapor/pressure build-up at the
1/8 position.
Never remove the fuel filler cap while the
engine is running.
Select bare ground for fueling and move
at least 10 feet (3 m) from the fueling
spot before starting the engine. Wipe off
any spilled fuel before starting your
chain saw.
WARNING
Different models may be equipped with
different fuel caps.
Toolless cap with grip
WARNING
In order to reduce the risk of fuel spillage
and fire from an improperly tightened
fuel cap, correctly position and tighten
the fuel cap in the fuel tank opening.
To do this with this STIHL cap, raise the
grip on the top of the cap until it is upright
at a 90° angle. Insert the cap in the fuel
tank with the positioning mark on the
grip of the cap and the "open" mark on
the fuel tank opening lining up. Using the
grip, press the cap down firmly while
turning it clockwise as far as it will go
(approx. 1/4 turn). The positioning mark
on the cap should now line up with the
"closed" mark on the tank.
Misaligned, damaged or broken cap
NIf the cap does not drop fully into the
opening when the positioning marks
line up and/or if the cap does not
tighten properly when twisted, the
base of the cap may be prematurely
rotated (in relation to the top) to the
closed position. Such misalignment
can result from handling, cleaning
or an improper attempt at
tightening.
2
0000-GXX-0908-A0
1
Check for fuel leakage
while refueling and during
operation. If fuel leakage
is found, do not start or
run the engine until the
leak is fixed and any
spilled fuel has been
wiped away. Take care
not to get fuel on your
clothing. If this happens,
change your clothing
immediately.
001BA234 KN
Fold the grip flush with
the top of the cap. Grip
the cap and check for
tightness. If the grip does
not lie completely flush
with the cap and the
detent on the grip does
not fit in the correspond-
ing recess in the filler
opening, or if the cap is
loose in the filler opening,
the cap is not properly
seated and tightened and
you must repeat the
above steps.

MS 201 TC-M
English
8
NTo return the cap to the open
position for installation, turn the cap
(with the grip up) until it drops fully
into the tank opening. Next, twist the
cap counterclockwise as far as it will
go (approx. 1/4 turn) – this will twist
the base of the cap into the correct
position for installation. Then, twist
the cap clockwise, closing it
normally.
NIf your cap still does not tighten
properly, it may be damaged or
broken; immediately stop use of the
unit and take it to your authorized
STIHL dealer for repair.
See also the "Fueling" chapter in your
Instruction Manual for additional
information.
Before Operation
Take off the chain guard (scabbard) and
inspect the chain saw for proper
condition and operation. (See the
maintenance chart near the end of the
instruction manual.)
WARNING
Always check your chain saw for proper
condition and operation before starting,
particularly the throttle trigger, throttle
trigger lockout, stop switch and cutting
attachment. The throttle trigger must
move freely and always spring back to
the idle position. The Master Control
Lever / stop switch must move easily to
STOP, 0 or †. Never attempt to modify
the controls or safety devices.
WARNING
Check fuel system for leaks, especially
the visible parts, e.g., filler cap, hose
connections, manual fuel pump (only for
chain saws equipped with a manual fuel
pump). Do not start the engine if there
are leaks or damage – risk of fire! Have
the chain saw repaired by a STIHL
servicing dealer before using it.
WARNING
Check that the spark plug boot is
securely mounted on the spark plug – a
loose boot may cause arcing that could
ignite combustible fumes and cause a
fire.
For proper assembly of the bar and saw
chain follow the procedure described in
the chapter "Mounting the Bar and
Chain" of your instruction manual.
STIHL Oilomatic saw chain, guide bar
and sprocket must match each other in
gauge and pitch. Before replacing any
bar and chain, see the chapter entitled
"Specifications" in the instruction
manual and the chapter "Reactive
Forces including Kickback".
Since longer bars add weight and may
be more difficult to control, select the
shortest bar that will meet your cutting
needs.
WARNING
Proper tension of the chain is extremely
important. In order to avoid improper
setting, the tensioning procedure must
be followed as described in your
manual. Always make sure the
hexagonal nut(s) for the sprocket cover
is (are) tightened securely after
tensioning the saw chain in order to
secure the bar. Never start the chain
saw with the sprocket cover loose.
Check chain tension once more after
having tightened the nut(s) and
thereafter at regular intervals (whenever
the saw is shut off). If the saw chain
becomes loose while cutting, shut off the
engine and then tighten. Never try to
adjust the saw chain while the engine is
running!
WARNING
After adjusting a saw chain, start the
chain saw, let the engine run for a while,
then switch engine off and recheck saw
chain tension. Proper saw chain tension
is very important at all times.
Left: Bottom of cap in closed posi-
tion – inner mark (1) in line
with outer mark.
Right: Bottom of cap in correct posi-
tion for installation – inner
mark is under the grip and
not in line with the outer
mark.
1
001BA238 KN
001BA239 KN

MS 201 TC-M
English
9
Keep the handles clean and dry at all
times; it is particularly important to keep
them free of moisture, pitch, oil, fuel mix,
grease or resin in order for you to
maintain a firm grip and properly control
your chain saw .
WARNING
Be sure that the guide bar and saw chain
are clear of you and all other
obstructions and objects, including the
ground. If the upper quadrant of the tip of
the bar touches any object, it may cause
kickback to occur (see section on
reactive forces). Never attempt to start
the chain saw when the guide bar is in a
cut or kerf.
For specific starting instructions, see the
appropriate section of your instruction
manual.
Starting
WARNING
To reduce the risk of fire and burn
injuries, start the engine at least 10 feet
(3 m) from the fueling spot, outdoors
only.
Start and operate your chain saw
without assistance. For specific starting
instructions, see the appropriate section
of the instruction manual. Proper starting
methods reduce the risk of injury.
WARNING
To reduce the risk of injury from saw
chain contact and / or reactive forces,
the chain brake must be engaged when
starting the saw. If your chain saw is
equipped with the Quickstop Plus chain
brake system, it is not sufficient to
engage that brake only for starting,
because the saw chain may begin to
rotate at high speed when the throttle
trigger lockout is depressed (releasing
the brake) in order to blip the throttle
trigger after starting.
WARNING
Do not drop start. This method is very
dangerous because you may lose
control of the saw.
Place the chain saw on firm ground or
other solid surface in an open area.
Maintain good balance and secure
footing.
WARNING
Be sure that the guide bar and saw chain
are clear of you and all other
obstructions and objects, including the
ground. When the engine is started, the
engine speed with the starting throttle
lock engaged will be fast enough for the
clutch to engage the sprocket and, if the
chain brake is not activated, turn the
chain. If the upper quadrant of the tip of
the bar touches any object, it may cause
kickback to occur (see section on
reactive forces). To reduce this risk,
always engage the chain brake before
starting. Never attempt to start the chain
saw when the guide bar is in a cut or
kerf.
Once the engine has started,
immediately blip the throttle trigger,
which should release the Master Control
lever to the run position and allow the
engine to slow down to idle.
Always disengage chain brake before
accelerating engine and before starting
cutting work. The only exception to this
rule is when you check operation of the
chain brake. High revs with the chain
brake engaged (chain locked) will
quickly damage the powerhead and
chain drive (clutch, chain brake).
WARNING
When you pull the starter grip, do not
wrap the starter rope around your hand.
Do not let the grip snap back, but guide
the starter rope to rewind it properly.
Failure to follow this procedure may
result in injury to your hand or fingers
and may damage the starter
mechanism.
Important Adjustments
WARNING
To reduce the risk of personal injury
from loss of control and / or contact with
the running cutting tool, do not use your
0012BA008 KN

MS 201 TC-M
English
10
chain saw with incorrect idle adjustment.
At correct idle speed, the cutting tool
should not move.
If you cannot set the correct idle speed,
have your STIHL dealer check your
chain saw and make proper adjustments
and repairs.
Holding and Controlling the Chain Saw
Always hold the chain saw firmly with
both hands when the engine is running.
Place your left hand on the front handle
bar and your right hand on the control
handle and throttle trigger.
Left-handers should follow these
instructions too. Wrap your fingers
tightly around the handles, keeping the
handles cradled between your thumb
and forefinger. With your hands in this
position, you can best oppose and
absorb the push, pull and kickback
forces of your saw without losing control
(see section on reactive forces).
WARNING
WARNING
To reduce the risk of cut injuries, keep
hands and feet away from the cutting
tool. Never touch a moving cutting tool
with your hand or any other part of your
body.
WARNING
Keep proper footing and balance at all
times. Special care must be taken in
slippery conditions (wet ground, snow)
and in difficult, overgrown terrain. Be
extremely cautious when working on
slopes or uneven ground. Watch for
hidden obstacles such as tree stumps,
roots, rocks, holes and ditches to avoid
stumbling. There is increased danger of
slipping on freshly debarked logs. For
better footing, clear away fallen
branches, scrub and cuttings. Use
extreme caution when cutting small-size
branches because slender material may
catch the saw chain and be whipped
toward you or pull you off balance.
WARNING
Take extreme care in wet and freezing
weather (rain, snow, ice). Put off the
work when the weather is windy, stormy
or rainfall is heavy.
WARNING
To reduce the risk of injury from loss of
control, never work on a ladder or any
other insecure support. Never hold the
machine above shoulder height. Do not
overreach.
WARNING
Never work in a tree unless you have
received specific, professional training
for such work, are properly secured
(such as tackle and harness system or a
0012BA019 KN
HL
To reduce the risk of seri-
ous or fatal injury to the
operator or bystanders
from loss of control,
never use the chain saw
with one hand. It is more
difficult for you to control
reactive forces and to
prevent the bar and chain
from skating or bouncing
along the limb or log.
Even for those compact
chain saw designed for
use in confined spaces,
one-handed operation
increases the risk that the
operator may lose
control.
0012BA025 KN

MS 201 TC-M
English
11
lift bucket), have both hands free for
operating the chain saw in a cramped
environment and have taken proper
precautions to avoid injury from falling
limbs or branches.
The use of climbing aids, such as spikes
or climbing irons, also require special
training. Always secure the chain saw
with a rope (tie to hinged ring) and attach
it to the lifeline. Cordon off the work area
in order to reduce the risk of injuries and
damage to bystanders or property (e. g.
motor vehicles) from falling branches.
Position the chain saw in such a way
that your body is clear of the cutting
attachment whenever the engine is
running. Stand to the left of cut while
bucking.
WARNING
To reduce the risk of falls, keep rotating
saw chain well clear of harness and
lifelines to avoid them being severed. It
is essential to use a double lifeline.
Check condition of harness, belts and
ropes at regular frequent intervals.
Always pull the saw out of the cut with
the chain running.
After finishing a cut, activate the chain
brake to lock the chain or shut down the
engine before moving the saw to
another position in the tree.
Never put pressure on the chain saw
when reaching the end of a cut. The
pressure may cause the bar and rotating
saw chain to pop out of the cut or kerf, go
out of control and strike the operator or
some other object. If the rotating saw
chain strikes some other object, a
reactive force may cause the moving
saw chain to strike the operator.
STIHL recommends that first-time users
should cut logs on a sawhorse – see
"Cutting small logs."
Working Conditions
Operate and start your chain saw only
outdoors in a well-ventilated area.
Operate it under good visibility and
daylight conditions only. Work carefully.
WARNING
Your chain saw is a one-person
machine. Do not allow other persons in
the general work area, even when
starting. Stop the engine immediately if
you are approached.
WARNING
Even though bystanders should be kept
away from the running chain saw, never
work alone. Keep within calling distance
of others in case help is needed.
WARNING
To reduce the risk of injury to bystanders
and damage to property, never let your
chain saw run unattended. When it is not
in use (e. g. during a work break), shut it
off and make sure that unauthorized
persons do not use it.
WARNING
WARNING
Operate your chain saw so that it
produces a minimum of noise and
emissions – do not run engine
unnecessarily and accelerate the engine
only for cutting.
0012BA020 KN
As soon as the engine is
running, this product gen-
erates toxic exhaust
fumes containing chemi-
cals, such as unburned
hydrocarbons (including
benzene) and carbon
monoxide, that are
known to cause respira-
tory problems, cancer,
birth defects, or other
reproductive harm. Some
of the gases (e. g. carbon
monoxide) may be color-
less and odorless. To
reduce the risk of serious
or fatal injury/illness from
inhaling toxic fumes,
never run the machine
indoors or in poorly venti-
lated locations. If exhaust
fumes become concen-
trated due to insufficient
ventilation, clear obstruc-
tions from work area to
permit proper ventilation
before proceeding and/or
take frequent breaks to
allow fumes to dissipate
before they become
concentrated.

MS 201 TC-M
English
12
WARNING
Use of this chain saw (including
sharpening the saw chain) can also
generate dust, mist and fumes
containing chemicals that are known to
cause respiratory problems, cancer,
birth defects, or other reproductive
harm. If you are unfamiliar with the risks
associated with the particular dust, mist
or fume at issue, consult your employer,
governmental agencies such as OSHA
and NIOSH and other sources on
hazardous materials. California and
some other authorities, for instance,
have published lists of substances
known to cause cancer, reproductive
toxicity, etc.
WARNING
Inhalation of certain dusts, especially
organic dusts such as mold or pollen,
can cause susceptible persons to have
an allergic or asthmatic reaction.
Substantial or repeated inhalation of
dust and other airborne contaminants, in
particular those with a smaller particle
size, may cause respiratory or other
illnesses. This includes wood dust,
especially from hardwoods, but also
from some softwoods such as Western
Red Cedar. Control dust (such as saw
dust), mists (such as oil mist from chain
lubrication) and engine fumes at the
source where possible. Use good work
practices, such as always cutting with a
properly sharpened saw chain (which
produces wood chips rather than fine
dust) and operating the unit so that the
wind or operating process directs any
dust raised by the chain saw away from
the operator. Follow the
recommendations of
EPA/OSHA/NIOSH and occupational
and trade associations with respect to
dust ("particulate matter"). When the
inhalation of dust cannot be
substantially controlled, i.e., kept at or
near the ambient (background) level, the
operator and any bystanders should
wear a respirator approved by NIOSH /
MSHA for the type of dust encountered.
WARNING
Breathing asbestos dust is dangerous
and can cause severe or fatal injury,
respiratory illness or cancer. The use
and disposal of asbestos-containing
products have been strictly regulated by
OSHA and the Environmental Protection
Agency. Do not use your chain saw to
cut or disturb asbestos or asbestos-
containing products. If you have any
reason to believe that you might be
cutting asbestos, immediately stop
cutting and contact your employer or a
local OSHA representative.
Operating Instructions
WARNING
Do not operate your chain saw with the
starting throttle lock engaged. Cutting
with the starting throttle lock engaged
does not permit the operator proper
control of the chain saw or saw chain
speed. Begin and continue cutting with
the saw at full throttle, engage the
bumper spike firmly in the wood (if
possible) and then continue cutting.
Always work with the bumper spike so
that you have better control of the saw. If
you work without the bumper spike the
chain saw may pull you forwards
suddenly.
WARNING
Never touch a saw chain with your hand
or any part of your body when the engine
is running, even when the chain is not
rotating.
In the event of an emergency, switch off
the engine immediately – move the
Master Control Lever to STOP, 0 or †.
WARNING
Always stop the engine before putting
the chain saw down.
WARNING
The saw chain continues to move for a
short period after the throttle trigger is
released (flywheel effect).
Accelerating the engine while the saw
chain is blocked increases the load and
will cause the clutch to slip continuously.
This may occur if the throttle is
depressed for more than a few seconds
when the saw chain is pinched in the cut
or the chain brake is engaged. It can
result in overheating and damage to
important components (e. g. clutch,
polymer housing components) – which
can then increase the risk of injury, e. g.,
from the saw chain moving while the
engine is idling.
WARNING
Your chain saw is equipped with a chain
catcher. It is designed to reduce the risk
of personal injury in the event of a
thrown or broken saw chain. From time
to time, the catcher may be damaged or

MS 201 TC-M
English
13
removed. To reduce the risk of personal
injury, do not operate a chain saw with a
damaged or missing chain catcher.
WARNING
Inspect antivibration elements
periodically. Replace damaged, broken
or excessively worn antivibration
elements immediately, since they may
result in loss of control of the saw. A
"sponginess" in the feel of the saw,
increased vibration or increased
"bottoming" during normal operation
may indicate damage, breakage or
excessive wear. Antivibration elements
should always be replaced in sets. If you
have any questions as to whether the
antivibration elements should be
replaced, consult your STIHL servicing
dealer.
If this chain saw 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. Check in
particular that the fuel system is tight (no
leaks) and that the controls and safety
devices are working properly. Do not
continue operating this chain saw if it is
damaged. In case of doubt, have it
checked by your STIHL servicing dealer.
Your chain saw is not designed for
prying or shoveling away limbs, roots or
other objects. Such use could damage
the cutting attachment or AV system.
WARNING
When sawing, make sure that the saw
chain does not touch any foreign
materials such as rocks, fences, nails
and the like. Such objects may be flung
off, damage the saw chain or cause the
chain saw to kickback.
WARNING
If the rotating saw chain strikes a rock or
other hard object, sparks may be
created, which can ignite flammabale
materials under certain circumstances.
Flammable materials can include dry
vegetation and brush, particularly when
weather conditions are hot and dry. Do
not use your chain saw around
flammable materials or around dry
vegetation or brush when there is a risk
of fire or wildfire. Contact your local fire
authorities or the U.S. Forestry Service if
you have any question about whether
vegetation and weather conditions are
suitable for the use of a chain saw.
WARNING
Take special care when cutting
shattered wood because of the risk of
injury from slivers being caught and
thrown in your direction.
WARNING
Never modify your muffler. Any
modification could cause an increase in
heat radiation, sparks or sound level,
thereby increasing the risk of fire, burn
injury or hearing loss. You may also
permanently damage the engine. Have
your muffler serviced and repaired by
your STIHL servicing dealer only.
WARNING
The muffler and other parts of the engine
(e.g. fins of the cylinder, spark plug)
become hot during operation and remain
hot for a while after stopping the engine.
To reduce risk of burns, do not touch the
muffler and other parts while they are
hot. Keep the area around the muffler
clean. Remove excess lubricant and all
debris such as pine needles, branches
or leaves. Let the engine cool down
sitting on concrete, metal, bare ground
or solid wood (e.g. the trunk of a felled
tree) away from any combustible
substances.
WARNING
An improperly mounted or damaged
cylinder housing or a
damaged/deformed muffler shell may
interfere with the cooling process of the
muffler. To reduce the risk of fire or burn
injury, do not continue work with a
damaged or improperly mounted
cylinder housing or a
damaged/deformed muffler shell.
Your muffler is furnished with a spark
arresting screen designed to reduce the
risk of fire from the emission of hot
particles. Never operate your unit with a
missing or damaged spark arresting
screen. If your gas/oil mix ratio is correct
(i.e., not too rich), this screen will
normally stay clean as a result of the
heat from the muffler and need no
service or maintenance. If you
experience loss of performance and you
suspect a clogged screen, have your
muffler maintained by a STIHL servicing
dealer. Some state or federal laws or
regulations may require a properly
maintained spark arrester for certain
uses. See the "Maintenance, Repair and
Storing" section of these Safety
Precautions. Remember that the risk of
a brush or forest fire is greater in hot or
dry conditions.

MS 201 TC-M
English
14
WARNING DANGER
Bar scabbard
Bar scabbard is designed especially for
using the chain saw in a tree, when the
engine is turned off.
Rings (1) – for attaching the scabbard to
the user's harness.
Snap fitting (2) – the bar scabbard is
held firmly on the sprocket cover of the
chain saw. This keeps it from slipping off
of the guide bar during transport.
Broad base (3) – for covering the
bumper spike
Application for transport/storage
Always push the chain scabbard onto
the guide bar as far as it will go. Snap
fitting (2) must engage onto the chain
sprocket cover.
Always use one of the two rings to fasten
the scabbard to the climbing harness for
storage while working.
Some STIHL chain saws
are equipped with a cata-
lytic converter, which is
designed to reduce the
exhaust emissions of the
engine by a chemical pro-
cess in the muffler. Due
to this process, the muf-
fler does not cool down
as rapidly as conven-
tional mufflers when the
engine returns to idle or
is shut off. To reduce the
risk of fire and burn inju-
ries when using a
catalytic converter,
always set your chain
saw down in the upright
position and never locate
it where the muffler is
near dry brush, grass,
wood chips or other com-
bustible materials while it
is still hot.
Do not rely on the chain
saw ’s insulation against
electric shock. To reduce
the risk of electrocution,
never operate this chain
saw in the vicinity of any
wires or cables (power,
etc.) which may be carry-
ing electric current.To
reduce risk of electrocu-
tion, take extra
precautions when cutting
near power lines. Have
the power switched off
before starting cutting
work in the immediate
vicinity of power lines.
2 3
0012BA029 KN
1
0012BA028 KN
2
0012BA026 KN

MS 201 TC-M
English
15
Always use the pull-out ring (4) on the
back of the chain saw to transport and
secure the chain saw on a rope.
Never use one of the bar scabbard
rings (1) to transport or secure the chain
saw – risk of accident due to possible
falling chain saw!
Remove scabbard before starting the
engine.
MAINTENANCE, REPAIR AND
STORING
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.
WARNING
Use only identical STIHL replacement
parts for maintenance and repair. Use of
non-STIHL parts may cause serious or
fatal injury.
Strictly follow the maintenance and
repair instructions in the appropriate
section of your instruction manual.
Please refer to the maintenance chart in
this manual.
WARNING
Always stop the engine and make sure
that the cutting tool is stopped before
doing any maintenance or repair work or
cleaning the power tool.
WARNING
Do not attempt any maintenance or
repair work not described in your
instruction manual. Have such work
performed by your STIHL servicing
dealer only. For example, if improper
tools are used to remove the flywheel or
if an improper tool is used to hold the
flywheel in order to remove the clutch,
structural damage to the flywheel could
occur and could subsequently cause the
flywheel to burst.
Wear gloves when handling or
performing maintenance on saw chains.
WARNING
Use the specified spark plug and make
sure it and the ignition lead are always
clean and in good condition. Always
press spark plug boot snugly onto spark
plug terminal of the proper size. (Note: If
terminal has detachable SAE adapter
nut, it must be securely attached.) A
loose connection between spark plug
terminal and the ignition wire connector
in the boot may create arcing that could
ignite combustible fumes and cause a
fire.
WARNING
Never test the ignition system with the
spark plug boot removed from the spark
plug or with a removed spark plug, since
uncontained sparking may cause a fire.
WARNING
Do not operate your power tool if the
muffler is damaged, missing or modified.
An improperly maintained muffler will
increase the risk of fire and hearing loss.
Your muffler is equipped with a spark-
arresting screen to reduce the risk of
fire; never operate your power tool if the
screen is missing, damaged or clogged.
Remember that the risk of a brush or
forest fire is greater in hot or dry
weather.
In California, it is a violation of § 4442 or
§ 4443 of the Public Resources Code to
use or operate gasoline-powered tools
on forest-covered, brush-covered or
grass-covered land unless the engine’s
exhaust system is equipped with a
complying spark arrester that is
maintained in effective working order.
The owner/operator of this product is
responsible for properly maintaining the
spark arrester. Other states or
governmental entities/agencies, such as
the U.S. Forest Service, may have
similar requirements. Contact your local
fire agency or forest service for the laws
or regulations relating to fire protection
requirements.
4
1
0012BA027 KN

MS 201 TC-M
English
16
Keep the chain, bar and sprocket clean;
replace worn sprockets or chains. Keep
the chain sharp. You can spot a dull
chain when easy-to-cut wood becomes
hard to cut and burn marks appear on
the wood. Keep the chain at proper
tension.
Tighten all nuts, bolts and screws after
each use.
WARNING
In order for the chain brake on your
STIHL chain saw to properly perform its
function of reducing the risk of kickback
and other injuries, it must be properly
maintained. Like an automobile brake, a
chain saw chain brake incurs wear each
time it is engaged.
The amount of wear will vary depending
upon usage, conditions under which the
saw is used and other factors. Excessive
wear will reduce the effectiveness of the
chain brake and can render it
inoperable.
For the proper and effective operation of
the chain brake, the brake band and
clutch drum must be kept free of dirt,
grease and other foreign matter which
may reduce friction of the band on the
drum.
For these reasons, each STIHL chain
saw should be returned to trained
personnel such as your STIHL servicing
dealer for periodic inspection and
servicing of the brake system according
to the following schedule:
Heavy usage – every three months,
Moderate usage – twice a year,
Occasional usage – annually.
The chain saw should also be returned
immediately for maintenance whenever
the brake system cannot be thoroughly
cleaned or there is a change in its
operating characteristics.
For any maintenance of the emission
control system please refer to the
maintenance chart and to the limited
warranty statement near the end of the
instruction manual.
Do not clean your machine with a
pressure washer. The solid jet of water
may damage parts of the machine.
Store chain saw in a dry place and away
from children. Before storing for longer
than a few days, always empty the fuel
tank (see chapter "Storing the Machine"
in the instruction manual).
REACTIVE FORCES INCLUDING
KICKBACK
WARNING
Reactive forces may occur any time the
chain is rotating. Reactive forces can
cause serious personal injury.
The powerful force used to cut wood can
be reversed and work against the
operator. If the rotating saw chain is
suddenly and significantly slowed or
stopped by contact with any solid object
such as a log or branch or is pinched, the
reactive forces may occur instantly.
These reactive forces may result in loss
of control, which, in turn, may cause
serious or fatal injury. An understanding
of the causes of these reactive forces
may help you avoid the element of
surprise and loss of control. Surprise
contributes to accidents.
The most common reactive forces are:
–kickback,
–pushback,
–pull-in.
WARNING
Kickback:
When this occurs, the energy driving the
saw chain can create a force that moves
the chain saw in a direction opposite to
the saw chain movement at the point
where the saw chain is slowed or
stopped. This may fling the bar up and
back in a lightning fast reaction mainly in
the plane of the bar and can cause
severe or fatal injury to the operator.
001BA257 KN
Kickback may occur
when the moving saw
chain near the upper
quadrant of the bar nose
contacts a solid object or
is pinched.

MS 201 TC-M
English
17
Kickback may occur, for example, when
the saw chain near the upper quadrant
of the bar nose contacts the wood or is
pinched during limbing or when it is
incorrectly used to begin a plunge or
boring cut.
The greater the force of the kickback
reaction, the more difficult it becomes for
the operator to control the chain saw.
Many factors influence the occurrence
and force of the kickback reaction.
These include saw chain speed, the
speed at which the bar and saw chain
contact the object, the angle of contact,
the condition of the saw chain and other
factors.
The type of bar and saw chain you use
is an important factor in the occurrence
and force of the kickback reaction. Some
STIHL bar and saw chain types are
designed to reduce kickback forces.
STIHL recommends the use of reduced
kickback bars and low kickback chains.
Chain Saw Kickback Standard
The following standard apply with
respect to kickback:
–§ 5.11 of ANSI/OPEI B175.1-2012
This standard, in the following referred
to as "the chain saw kickback standard"
sets certain performance and design
criteria related to chain saw kickback.
To comply with the chain saw kickback
standard:
a) Chain saws with a displacement of
less than 3.8 cubic inches (62 cm³)
–must, in their original condition,
meet a 45° computer derived
kickback angle when equipped with
certain cutting attachments,
–and must be equipped with at least
two devices to reduce the risk of
kickback injury, such as a chain
brake, low kickback saw chain,
reduced kickback bar, etc.
b) Chain saws with a displacement of
3.8 cubic inches (62 cm³) and
above
–must be equipped with at least one
device designed to reduce the risk
of kickback injury, such as a chain
brake, low kickback saw chain,
reduced kickback bar, etc.
The computer derived angles for chain
saws below 3.8 cubic inches (62 cm³)
displacement are measured by applying
a computer program to test results from
a kickback test machine.
WARNING
The computer derived angles of the
chain saw kickback standard may bear
no relationship to actual kickback bar
rotation angles that may occur in real life
cutting situations.
In addition, features designed to reduce
kickback injuries may lose some of their
effectiveness when they are no longer in
their original condition, especially if they
have been improperly maintained.
Compliance with the chain saw kickback
standard does not automatically mean
that in a real life kickback the bar and
saw chain will rotate at most 45°.
WARNING
In order for chain saws below 3.8 cubic
inches (62 cm³) displacement to comply
with the computed kickback angle
requirements of the chain saw kickback
standard use only the following cutting
attachments:
–bar and saw chain combinations
listed as complying in the
"Specifications" section of the
instruction manual or
–other replacement bar and saw
chain combinations marked in
accordance with the standard for
use on the chain saw or
–replacement saw chain designated
"low kickback saw chain."
See the section on "Low Kickback Saw
Chain and Reduced Kickback Bars."
001BA035 KN

MS 201 TC-M
English
18
Devices for Reducing the Risk of
Kickback Injury
Stihl recommends the use of green
labeled reduced kickback bars and low
kickback saw chains on your chain saw
equipped with a Stihl Quickstop chain
brake.
WARNING
To reduce the risk of injury, never use a
chain saw if the chain brake does not
function properly. Take the chain saw to
your local STIHL servicing dealer. Do
not use the chain saw until the problem
has been rectified.
STIHL Quickstop Chain Brake
STIHL has developed a saw chain
stopping system designed to reduce the
risk of injury in certain kickback
situations. It is called a Quickstop chain
brake.
There are two mechanisms for activating
the chain brake if it is in a properly
maintained condition:
–manual activation: If a kickback
occurs, the chain saw moves
upwards towards the user in a
rotating motion around the front
handle. The brake is designed to
engage if the left hand contacts the
front guard, which is the activation
lever for the brake, and pushes it
forward.
–inertia activation: All STIHL chain
saws are equipped with an interia
Quickstop chain brake. If the
kickback impulse is strong enough,
this alone is sufficient to engage the
brake even without contacting the
front hand guard.
WARNING
Never operate your chain saw without a
front hand guard. In a kickback situation
this guard helps protect your left hand
and other parts of your body. In addition,
removal of the hand guard on a chain
saw equipped with a Quickstop chain
brake will disable the activation
mechanism of the chain brake.
WARNING
No Quickstop or other chain brake
device prevents kickback. These
devices are designed to reduce the risk
of kickback injury, if activated, in certain
kickback situations. In order for the
Quickstop to reduce the risk of kickback
injury, it must be properly maintained
and in good working order. See the
chapter of your instruction manual
entitled "Chain Brake" and the section
"Maintenance, Repair and Storing" at
the end of these Safety Precautions. In
addition, there must be enough distance
between the bar and the operator to
ensure that the Quickstop has sufficient
time to activate and stop the chain
before potential contact with the
operator.
WARNING
An improperly maintained chain brake
may increase the time needed to stop
the saw chain after activation, or may
not activate at all.
WARNING
Never run the chain saw above idle
speed for more than 3 seconds when the
chain brake is engaged or when the saw
0012BA022 KN
HL