STIHL E 20 Owner's Manual
Important Safety Precautions for Chain Saw Users
A.
Kickback Safety Precautions
!Warning!
Kickback may occur when the nose or
tip of the guide bar touches an object, or
when the wood closes in and pinches
the saw chain in the cut. Tip contact in
some cases may cause a lightning fast
reverse reaction, kicking the guide bar
up and back towards the operator.
Pinching the saw chain along the top of
the guide bar may push the guide bar
rapidly back towards the operator. Either
of these reactions may cause you to lose
control of the saw which could result in
serious personal injury.
Section 5.12 of ANSI B 175.1-2000 sets
certain performance and design criteria
related to chainsaw kickback. STIHL has
developed a color code system using
green and yellow to help you select a
powerhead, bar and chain combination
that complies with the kickback
requirements of the ANSI Standard.
See the sections entitled "Safety
Precautions" and "Specifications" of this
manual.
Do not rely exclusively upon the safety
devices built into your saw. As a
chainsaw user, you should take several
steps to keep your cutting jobs free from
accident or injury.
1. With a basic understanding of
kickback, you can reduce or
eliminate the element of surprise.
Sudden surprise contributes to
accidents.
2. Keep a good firm grip on the saw
with both hands, the right hand on
the rear handle, and the left hand on
the front handle, when the engine is
running. Use a firm grip with thumbs
and fingers encircling the chainsaw
handles. A firm grip will help you
reduce kickback and maintain
control of the saw. Don't let go.
3. Make sure the area in which you are
cutting is free from obstructions. Do
not let the nose of the guide bar
contact a log, branch, or any other
obstruction while you are operating
the saw.
4. Cut at high engine speeds.
5. Do not overreach or cut above
shoulder height.
6. Follow manufacturer's sharpening
and maintenance instructions for
the saw chain.
7. Only use replacement bars and
chains specified by the
manufacturer or the equivalent.
B.
Other Safety Precautions
1. Do not operate a chainsaw with one
hand! Serious injury to the operator,
helpers, bystanders, or any
combination of these persons may
result from one-handed operation. A
chainsaw is intended to be used
with two hands.
2. Do not operate a chainsaw when
you are fatigued.
3. Use safety footwear; snug-fitting
clothing; protective gloves; and eye,
hearing, and head protection
devices.
4. Do not allow other persons to be
near the chainsaw when starting or
cutting with the chainsaw. Keep
bystanders and animals out of the
work area.
continued on the back inside cover
Contents
Main Parts and Controls 2
Definitions 3
Safety Precautions 4
Mounting the Bar and Chain 23
Tensioning the Saw Chain 24
Checking Chain Tension 24
Chain Oil 24
Filling Chain Oil Tank 25
Chain Brake 25
Connecting Saw to Power Supply 26
Switching On 26
Switching Off 26
Overload Circuit Breaker 27
Checking Chain Lubrication 27
During Operation 28
After Finishing Work 28
Taking Care of Guide Bar 28
Checking and Replacing
the Chain Sprocket 29
Motor Cooling 30
Storing the Machine 30
Printed on chlorine-free paper
Maintaining and Sharpening
the Saw Chain 31
Maintenance Chart 34
Specifications 35
Ordering Spare Parts 36
Adresses 36
This manual contains operating and
safety instructions for all STIHL E 220
series chainsaws.
Pay special attention to the safety
precautions outlined on pages 4 to 20.
Allow only persons who understand this
Manual to operate your chainsaw.
To receive maximum performance and
satisfaction from your STIHL chainsaw,
it is important that you read and understand the maintenance and safety
precautions before using your saw.
Contact your STIHL dealer or the
STIHL distributor for your area if you do
not understand any of the instructions in
this Manual.
Warning!
Because a chainsaw is a high-speed
wood-cutting tool, some special safety
precautions must be observed as with
any other power saw to reduce the risk of
personal injury. Careless or improper use
may cause serious or even fatal injury.
STIHL’s philosophy is to continually
improve all of its products. As a result,
engineering changes and improvements
are made from time-to-time.
If the operating characteristics or the
appearance of your saw differ from
those described in this Manual,
please contact your STIHL dealer for
information and assistance.
Printing inks contain vegetable oils,
paper is recyclable
2002 Andreas Stihl AG & Co., Waiblingen
0458 107 3021. M0,75. B2. Rei. Printed in Germany
E 220 1
0DLQ3DUWVDQG&RQWUROV
4
2
(matic guide bar
Oilomatic saw chain
Bumper spike
Front hand guard
Front handle
Interlock button
Trigger switch
5
Oil inspection window
1
8
6
7
3
107BA014 KN
Rear hand guard
Rear handle
Oil filler cap
Overload circuit breaker
Side chain tensioner
Chain sprocket
Chain sprocket cover
Chain catcher
21
22
25
23
24
26
20
27
107BA019 LA
(
'HILQLWLRQV
(PDWLF*XLGH%DU
Supports and guides the saw chain.
2LORPDWLF6DZ&KDLQ
A loop consisting of cutters, tie
straps and drive links.
%XPSHU6SLNH
Toothed stop for holding saw steady
against wood.
)URQW+DQG*XDUG
Provides protection against
projecting branches and helps
prevent left hand from
touching the chain if it slips off
the handle bar.
)URQW+DQGOH
Handle bar for the left hand at
front of saw.
,QWHUORFNEXWWRQ
Must be depressed before the
trigger switch can be activated.
7ULJJHU6ZLWFK
Controls the speed of the motor.
5HDU+DQG*XDUG
Gives added protection to
operator’s right hand.
5HDU+DQGOH
The support handle for the right
hand, located at or toward the
rear of the saw.
2LO)LOOHU&DS
For closing the oil tank.
2YHUORDG&LUFXLW%UHDNHU
Interrupts power supply when
exessive infeed force is used or
when chain becomes pinched in
cut. Motor stops.
6LGH&KDLQ7HQVLRQHU
Permits precise adjustment of chain
tension.
&KDLQ6SURFNHW
The toothed wheel that drives the
saw chain.
&KDLQ6SURFNHW&RYHU
Covers the clutch and the sprocket.
*XLGH%DU1RVH
The exposed end of the guide bar.
(not illustrated, see chapter
“Mounting the Bar and Chain”).
&KDLQ*XDUG6FDEEDUG
To protect the operator from touching
the chain (not illustrated).
2LO,QVSHFWLRQ:LQGRZ
For visually checking the oil level.
(
&KDLQ&DWFKHU
Helps to reduce the risk of operator
contact by a chain if it breaks
or comes off the bar.
english / USA
SAFETY PRECAUTIONS
The use of any chainsaw
may be hazardous. The
saw chain has many
sharp cutters. If the
cutters contact your flesh,
they will cut you, even if
the chain is not moving. At full throttle,
the chain speed can reach 45 mph
(20 m/s). It is important that you read,
fully understand and observe the
following safety precautions and
warnings. Read the Owner's Manual
and the Safety Precautions periodically.
Pay special attention to the section on
reactive forces.
!Warning!
Reactive forces, including kickback, can
be dangerous. Careless or improper use
of any chainsaw may cause serious or
fatal injury.
All safety precautions that are generally
observed when working with an axe or a
hand saw also apply to the operation of
chainsaws. However, because a
chainsaw is a high-speed, fast-cutting
power tool, special safety precautions
must be observed to reduce the risk of
personal injury.
Have your STIHL dealer show you how
to operate your chainsaw. Observe all
applicable local safety regulations,
standards and ordinances.
!Warning!
Minors should never be allowed to use a
chainsaw. Bystanders, especially
children, and animals should not be
allowed in the area where a chainsaw is
in use. Store it in a locked place away
from children. Do not let bystanders
contact chain saw or extension cord.
Do not lend or rent your
chainsaw without the
Owner`s Manual. Be sure
that anyone using your
saw reads and
understands the
information contained in this manual.
These safety precautions and warnings
apply to the use of all STIHL chainsaws.
Different models may have different
parts and controls. See the appropriate
section of your Owner's Manual for a
description of the controls and function
of the parts of your model saw.
Safe use of a chainsaw involves
1. the operator
2. the saw
3. the use of the saw.
THE OPERATOR
Physical Condition
You must be in good physical condition
and mental health and not under the
influence of any substance (drugs,
alcohol) which might impair vision,
dexterity or judgement.
Do not operate a chainsaw when you
are fatigued. Be alert - If you get tired
while operating your chainsaw, take a
break. Tiredness may result in loss of
control. Working with any chainsaw can
be strenuous. If you have any condition
that might be aggravated by strenuous
work, check with your doctor before
operating a chainsaw.
!Warning!
Prolonged use of chainsaws (or other
machines) exposing the operator to
vibrations may produce whitefinger
disease (Raynaud's phenomenon) or
carpal tunnel syndrome.
4
english / USA
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
whitefinger 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:
– Wear gloves and keep your hands
warm.
– Keep the saw chain sharp and the
saw well maintained. A dull chain
will increase cutting time, and
pressing a dull chain through wood
will increase the vibrations
transmitted to your hands. A saw
with loose components will also
tend to have higher vibration levels.
– Maintain a firm grip at all times, but
do not squeeze the handles with
constant, excessive pressures.
Take frequent breaks.
All the above mentioned precautions do
not guarantee that you will not sustain
whitefinger disease or carpal tunnel
syndrome. Therefore, continual and
regular users should monitor closely the
condition of their hands and fingers. If
any of the above symptoms appear,
seek medical advice immediately.
!Warning!
According to STIHL's current
knowledge, the electric motor or this unit
should not interfere with a pacemaker.
When in doubt, however, consult their
physician and the pacemaker manufacturer before operating this tool.
Proper Clothing
!Warning!
To reduce the risk of injury, the operator
should wear proper protective apparel.
Clothing must be sturdy
and snug-fitting, but allow
complete freedom of
movement. Avoid loosefitting jackets, scarfs,
neckties, jewelry, flared or
cuffed pants, unconfined long hair or
anything that could become entangled
with the saw or brush. Wear overalls or
jeans with a reinforced cut retardant
insert or cut retardant chaps.
Protect your hands with
gloves when handling
saw and saw chain.
Heavy-duty, nonslip
gloves improve your grip
and protect your hands.
Good footing is most
important in chainsaw
work. Wear sturdy boots
with nonslip soles. Steeltoed safety boots are
recommended.
Never operate a chainsaw unless
wearing goggles or properly fitted safety
glasses with adequate top and side
protection complying with your national
standard.
Wear an approved safety
hard hat to protect your
head. Chainsaw noise
may damage your
hearing. Always wear
sound barriers (ear plugs
or ear mufflers) to protect your hearing.
Continual and regular users should have
their hearing checked regularly.
5
english / USA
THE SAW
Parts of the chainsaw; for illustrations
and definitions of the parts see the
chapter on "Main Parts of Saw".
!Warning!
Never modify a chainsaw in any way.
Only attachments and parts supplied by
STIHL or expressly approved by STIHL
for use with the specific STIHL saw
models are authorized. Although certain
unauthorized attachments are usable
with the STIHL powerhead, their use
may, in fact, be extremely dangerous.
THE USE OF THE SAW
Transporting the chainsaw
!Warning!
Always fully release the trigger switch
and make sure the chain has stopped
moving before putting the saw down or
carrying it. When carrying the saw over
longer distances, disconnect the plug
and reposition the extension cord.
By hand: When carrying the chain saw
by hand, it must be switched off and the
saw held in the proper position, i.e. it
should be gripped by the front handle.
The chain guard must be fitted, even
when carrying the saw only a short
distance, and the guide bar must point
backwards, away from the direction in
which you are going.
Do not carry the machine by the power
cable. Carry the cable in your hand. If
the cable is dragged on a rough surface
(concrete etc.) the cable may become
damaged.
By vehicle: The chain guard must be
fitted on the guide bar when transporting
the saw in a vehicle. The saw should be
secured so that it cannot move and
become damaged, or cause damage.
Preparation for the use of the saw
Always disconnect the plug when the
saw is not in use. Take off the chain
guard and inspect for safety in
operation. Insure that the trigger switch
will not engage when the trigger
interlock is not pressed. For assembly,
follow the procedure described in the
chapter "Mounting the Bar and Chain" of
your Owner's Manual.
STIHL Oilomatic chain, guide bar and
001BA069 LÄ
sprocket must match each other in
gauge and pitch.
Before replacing any bar and chain, see
the sections on "Specifications",
"Kickback" and the "ANSI B 175.1-2000
chainsaw kickback standard" in this
manual.
6
english / USA
!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 chain. Never start the saw
with the sprocket cover loose. Check
chain tension once more after having
tightened the nut(s) and thereafter at
regular intervals (whenever the saw is
shut off). If the chain becomes loose
while cutting, shut off the motor and then
tighten. Never try to adjust the chain
while the motor is running!
!Warning!
After adjusting a chain, start the saw, let
the motor run for a while, then switch
motor off and recheck chain tension.
Proper chain tension is very important at
all times.
Electric Precautions
Special precautions for electric saws
must be observed to reduce the risk of
personal injury and property damage
from fire and electric shock.
This electric chain saw is double
insulated.
!Warning!
To reduce risk of serious or fatal injury
from electrocution, never use your
machine if casing around motor is
cracked or damaged.
!Warning!
The electrical power voltage must agree
with the voltage specified on the saw's
name plate. Improper voltage may
cause the motor to overheat, which will
damage the saw and may cause
personal injury.
!Warning!
To reduce the risk of
electrocution never work
in rain or wet places - the
electric motor is not
waterproof! Do not leave
the chain saw outdoors in
the rain and do not operate it if it shows
any signs of dampness.
!Warning!
To reduce the risk of personal injury from
fire and explosion, do not use the saw in
the presence of flammable liquids or
gases. The sparks from an electric saw
may be a source of ignition!
!Warning!
Inspect the power cable
before and after each use
for signs of damage or
aging. In order to reduce
the risk of serious or fatal
injury from electrocution,
never use your machine if the power
cable is cut, cracked, worn or damaged.
Turn off power at saw, disconnect the
plug immediately and have dealer
replace such a cable.
Avoid damage to the power cable. Keep
it away from heat, oil and sharp edges.
Never jerk power cable to disconnect the
plug from the wall outlet. To unplug,
grasp the plug, not the cable.
Extension cords
!Warning!
To reduce the risk of electric shock, use
only extension cords that are intended
for outdoor use. These extension cords
are identified by a marking „Acceptable
for use with outdoor appliances; store
indoors while not in use.“
Do not use damaged extension cords.
Examine extension cord before using
and replace if damaged. Do not abuse
extension cord and do not yank on any
cord to disconnect. To unplug, grasp the
plug, not the cord. Keep cord away from
heat, oil and sharp edges.
7
english / USA
If you use an extension cord, be sure to
use one heavy enough to carry the
current your electric saw will draw. An
improper gauged extension cord will
cause a drop in wire voltage resulting in
loss of power and overheating. Use only
extension cords having an electrical
rating not less than the rating of the
product.
The following table shows the correct
size to use depending on cord length
and machine label ampere rating.
Minimum wire size for extension
cords for 120 Volt appliances:
Cord types: SJW-A or SJTW-A
Round jacketed cords.
Using not more than 12 amps
Cord length (ft) 50 100 150
Wire size (AWG) 14 12 10
Using not more than 15 amps
Cord length (ft) 50 100 150
Wire size (AWG) 10 * *
* not recommended
Listed by UL, W-A marking on cable
jacket indicates "use outdoors".
Appropriate extension cords are
available in stores spezializing in
electrical equipment.
To reduce the risk of electric shock, this
appliance has a polarized plug (one
blade is wider than the other).This plug
will fit in a polarized outlet only one way.
If the plug does not fit fully in the outlet,
reverse the plug. If it still does not fit,
contact a qualified electrician to install
the proper outlet. Do not change the
plug in any way.
!Warning!
Position the electric cable so that it will
not be damaged when using the electric
saw. Always keep the electric cable
behind the operator and away from the
bar and chain. Always be sure that your
cable does not become entangled with
obstacles or objects. Damaged cables
may cause electrocution. If you take a
break at your work, always disconnect
the cable.
Working Conditions
Operate the chainsaw under good
visibility and daylight conditions only.
!Warning !
Your saw is a one person saw. Do not
allow other persons to be near the
running chain saw. Operate your saw
without assistance.
!Warning !
Be sure that the guide bar and chain are
clear of you and all other obstructions
and objects, including the ground. If the
bar nose near the upper quadrant
touches an object, it may cause
kickback to occur (see section on
reactive forces). Never attempt to start
the chainsaw when the guide bar is in a
cut or kerf.
!Warning!
Use of this product (including sharpening the saw chain) can generate dust,
mists and fumes containing chemicals
known to cause respiratory disease,
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. Control
dust (such as sawdust), mists (such as
oil mist from chain lubrication) and
fumes at the source where possible.
8
english / USA
In this regard use good work practices
and follow the recommendations of
OSHA / NIOSH and occupational and
trade associations. When the inhalation
of toxic dust, mists and fumes cannot be
eliminated, the operator and any
bystanders should always wear a
respirator approved by NIOSH / MSHA
for the type substance at issue.
!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 cut or disturb asbestos,
asbestos containing products (e.g.
asbestos containing drywall or other
construction products), or products such
as pipes which are wrapped or covered
with asbestos insulation. If you have any
reason to believe that you might be
cutting asbestos, immediately contact
your employer or a local OSHA
representative.
Don't work alone. Keep within calling
distance of others in case help is
needed.
Your chainsaw is equipped with a chain
catcher. It is designed to reduce the risk
of personal injury in the event of a
thrown or broken chain. From time to
time the catcher may be damaged or
removed.
To reduce the risk of personal injury, do
not operate a chainsaw with a damaged
or missing catcher.
!Warning!
Avoid stumbling on obstacles such as
stumps, roots or rocks and watch out for
holes or ditches. Clear the area where
you are working. Be extremely cautious
when working on slopes or uneven
ground. There is increased danger of
slipping on freshly debarked logs.
!Warning!
To reduce the risk
of serious or fatal
injury to the
operator or
bystanders, never
use the saw with one hand.
You cannot control reactive forces and
you may lose control of the saw, which
can result in the skating or bouncing of
the bar and chain along the limb or log.
001BA094 LA
Cutting Instructions
Grip: Always hold the saw firmly with
both hands when the engine is running.
Place your left hand on front handle bar
and your right hand on rear handle and
throttle trigger. Left-handers should
follow these instructions too.
Wrap your fingers tightly around the
handles, keeping the handles cradled
between your thumb and forefinger. With
your hands in this position, you can best
oppose and absorb the push, pull and
kickback forces of your saw without
losing control (see section on reactive
forces). Make sure your chainsaw
handles and grip are in good condition
and free of moisture, pitch, oil or grease.
9
english / USA
!Warning!
Never touch a chain with your hand or
any part of your body when the engine is
running, even when the chain is not
rotating. The chain continues to rotate
for a short period after the throttle trigger
is released.
!Warning!
Do not cut any material other than wood
or wooden objects. Use your chain
sawing only. It is not designed for prying
or shoveling away limbs, roots or other
objects. When sawing, make sure that
the saw chain does not touch any
foreign materials such as rocks, fences,
nails and the like. Such objects may be
flung off, damage the saw chain or
cause the saw to kickback.
!Warning!
In order to keep control of your saw,
always maintain a firm foothold.
001BA018 LA
Never work on a ladder, or on any other
insecure support. Never use the saw
above shoulder height.
!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
lift bucket), have both hands free for
operating the chainsaw in a cramped
environment and have taken proper
precautions to avoid injury from falling
limbs or branches.
Position the chainsaw 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.
Don't put pressure on the saw when
reaching the end of a cut. The pressure
may cause the bar and rotating chain to
001BA031 KN
pop out of the cut or kerf, go out of
control and strike the operator or some
other object. If the rotating chain strikes
some other object, a reactive force may
cause the moving chain to strike the
operator.
Reactive forces including kickback
!Warning!
Reactive forces may occur any time the
chain is rotating. Reactive forces can be
dangerous! In any chainsaw,
001BA082 KN
10
Loading...