Lux Tools BKS-45/45MM User manual

BKS-45/45MM
468419
GB Gasoline chain saw GR Βενζινοκίνητο αλυσοπρίονο
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GB Original instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
GR Πρωτότυπες οδηγίες χειρισμού . . . . . . . . . . . . . . . . . . . . . . . 22
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Original instructionsGasoline chain saw
Table of contents
Before you begin… . . . . . . . . . . . . . . . . . 7
For your safety . . . . . . . . . . . . . . . . . . . . 7
Your device at a glance . . . . . . . . . . . . 10
Assembly . . . . . . . . . . . . . . . . . . . . . . . . 10
Operation . . . . . . . . . . . . . . . . . . . . . . . . 12
Cleaning and maintenance . . . . . . . . . 16
Storage and transport . . . . . . . . . . . . . 18
Faults and remedial measures. . . . . . . 19
Disposal . . . . . . . . . . . . . . . . . . . . . . . . . 20
Technical data . . . . . . . . . . . . . . . . . . . . 20
Claims for defects. . . . . . . . . . . . . . . . . 40
Before you begin…
Intended use
This device may only be used with the
approved original cutting chains for sawing
wood outdoors.
This product is not intended for commercial
use. Generally acknowledged accident pre-
vention regulations and enclosed safety
instructions must be observed.
Only perform work described in these
instructions for use. Any other use is
improper. The manufacturer will not assume
responsibility for damage resulting from such
use.
What are the meanings of the symbols
used?
Danger notices and information are clearly
marked throughout these instructions for
use. The following symbols are used:
These symbols identify the required personal
protection equipment:
For your safety
General safety instructions
• To operate this device safely, the user
must have read and understood these
instructions for use before using the
device for the first time.
• Observe all safety instructions! Failure to
do so may cause harm to you and others.
• Retain all instructions for use, and safety
instructions for future reference.
• If you sell or pass the device on, you must
also hand over these operating instruc-
tions.
• The device must only be used when it
functions properly. If the device or part of
the device is defective, have it repaired
by a specialist.
• Never use the device in a room where
there is a danger of explosion or in the
vicinity of flammable liquids or gases.
• Danger of suffocation caused by exhaust
fumes! Starting the motor and using the
device inside closed rooms is prohibited.
• The motor should be switched off:
– whenever you leave the machine unat-
tended
– before you refill it
• When the motor is switched off, close the
throttle. If the machine has a petrol feed
tap, this should be closed when you finish
working.
• Never store the unit with fuel in the tank
inside a building in which fuel vapours
may come into contact with naked flames
or sparks or may inflame.
• Always allow the motor to cool down
before putting the unit into a close space.
• To prevent risks of fire, ensure that both
the motor and the exhaust are free of
plant materials or leaking grease (oil).
• Always ensure that a device which has
been switched off cannot be restarted
unintentionally.
• Do not use devices with an on/off switch
that does not function correctly.
• Keep children away from the device!
Keep the device out of the way of children
and other unauthorised persons.
DANGER! Direct danger to life and
risk of injury! Directly dangerous
situation that may lead to death or
severe injuries.
WARNING! Probable danger to life
and risk of injury! Generally dan-
gerous situation that may lead to
death or severe injuries.
CAUTION! Possible risk of injury!
Dangerous situation that may lead to
injuries.
NOTICE! Risk of damage to the
device! Situation that may lead to
property damage.
Note: Information to help you reach
a better understanding of the pro-
cesses involved.
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• Do not overload the device. Do not use
the device for purposes for which it is not
intended.
• Make sure to always wear the required
personal protective equipment.
• Exercise caution and only work when in
good condition: If you are tired, ill, if you
have ingested alcohol, medication or ille-
gal drugs, do not use the device, as you
are not in a condition to use it safely.
• This product is not intended to be used
by persons (including children) or who are
limited in their physical, sensory or men-
tal capacities or who lack experience
and/or knowledge of the product unless
they are supervised, or have been
instructed on how to use the product, by
a person responsible for their safety.
• Ensure that children are not able to play
with the device.
• Always comply with all applicable
domestic and international safety, health,
and working regulations.
Risks caused by vibrations
The vibration values specified in the technical
data represent the main uses of the device.
The actual existing vibrations during use may
deviate from these as a result of the following
factors:
• Incorrect use of the product;
• Unsuitable tools inserted;
• Unsuitable material;
• Insufficient maintenance.
You can reduce the risks considerably by fol-
lowing the tips below:
– Maintain the device in accordance with
the instructions in the operating instruc-
tions.
– Avoid working at low temperatures.
– When it is cold, make sure your body and
your hands, in particular, are kept warm.
– Take regular breaks and move your
hands at the same time to promote circu-
lation.
Concerning the use of fuels
Fuels are inflammable and explosive.
Reduce the risk of explosion and fire as
follows:
• Turn off and cool the motor down before
filling the tank with fuel.
• Refrain from smoking and starting open
fires when handling fuels.
• Store and mix fuels in approved and cor-
respondingly labelled canisters.
• Store fuels in closed containers. Keep in
mind that fuels may also evaporate at
room temperature and collect on the floor
of closed rooms(risk of explosion).
• Do not open the tank lid or refill with pet-
rol when the motor is running or even
when it is hot.
• If petrol is spilled, do not attempt to start
the motor.
• Start the machine at least nine metres
away from the fuelling location.
• If you need to empty the tank, do so out
in the open.
Fuels are toxic! They contain substances
that have an immediate toxic effect and
may also cause permanent damage to
your health. Take all precautionary meas-
ures to prevent your body from absorbing
any of these substances:
• Tank and siphon fuels only outdoors or in
well-ventilated rooms.
• Do not inhale fuel fumes.
• Avoid contact with eyes and skin. If con-
tact occurs, thoroughly rinse with water.
If contact with eyes occurs, seek immedi-
ate medical attention.
• Wear gloves when transferring fuel.
• When fuel has come into contact with
your clothes, change them immediately.
Clean your clothes before putting them
back on.
• Store fuels out of the reach of children.
When handled inappropriately, fuels may
cause damage to the environment:
• Use caution when siphoning fuels. Fuel
must never seep into the ground or the
sewage system.
• Dispose of any remaining fuel in an
appropriate manner. Never dispose of
fuel with regular household waste.
CAUTION! Risk of injury due to
vibrations! Vibrations may, in partic-
ular for persons with circulation
problems, cause damage to blood
vessels and/or nerves.
If you notice any of the following
symptoms, stop working immedi-
ately and consult a doctor. Numb-
ness of body parts, loss of sense of
feeling, itching, pins and needles,
pain, changes in skin colour.
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• Fuels may be stored only for a limited
time. Never buy more fuel than you plan
on consuming within the next few
months.
Maintenance
• Before conducting any maintenance on
the device, always set the ignition switch
to[0] and pull the ignition cable plug.
• Check the fuel system regularly for leaks
or defective parts.
• Only those maintenance and fault elimi-
nation tasks described here may be car-
ried out. Any other tasks must be com-
pleted by a specialist.
• Only use original replacement parts. Only
these replacement parts are designed
and suitable for the device. Other
replacement parts will not only lead to an
invalidation of the warranty, they may
also endanger you and your environment.
Device-specific safety instructions
• Young people under 18 years of age and
users who are not sufficiently acquainted
with its operation must not use the device
• Make sure that the device is assembled
completely and according to regulations.
• Check the device to ensure that it works
correctly, especially check the correct
and secure fit of the chain rail, saw chain
tensioned according to regulations and
correct function of the chain brake.
• Check all screw connections regularly to
ensure tight fit.
• Before use, ensure that there are no peo-
ple or animals in the work area.
• Make certain that the work area is free of
obstacles.
• Always keep an eye on your surroundings
in order to ensure that you are not endan-
gering any people or animals with your
work.
• No other persons or animals may be pre-
sent within an area of 15m around the
cutting area, as they may otherwise by hit
by objects being slung away.
• Never work in poor light or weather con-
ditions.
• Only saw wood. Do not use the chain saw
for work for which it is not intended.
• Keep the handles dry, clean and free of oil
and grease. Greasy, oily handles are slip-
pery and cause loss of control.
• Avoid sawing in bushes, since here small
branches may get caught in the saw
chain and they can fly out uncontrolled.
• Make sure that you can stand firmly and
safely in each work position. When work-
ing on a sloping subsurface, be especially
careful!
• Always hold the device firmly in both
hands. Use your right hand to grip the
rear handle, your left hand to grip the
other handle, even if you are left-handed.
Do not let go of the handles!
• When the saw is running, keep all body
parts away from the saw chain. Make
sure before starting the saw that the saw
chain does not touch anything.
• Never saw above shoulder height! Do not
lean forward or back!
• Always ensure that you are standing
firmly and only use the chain saw when
you are standing on stable, firm and level
ground. A slippery subsurface or instable
standing area such as on a ladder can
cause you to lose your balance or lose
control over the chain saw.
• Do not stretch your arms too far forwards.
• Never work on ladders, on trees or in
other positions in which you cannot stand
safely.
• Take care when walking backwards.
Danger of stumbling!
• Always saw at a high chain speed.
• Do not saw any wood which is under ten-
sion.
• Do not work alone! Ensure that you have
an aural, visual or other connection with
another person who is in a position to
administer first aid in emergency situa-
tions.
• When putting the device down, the motor
must always be switched off!
• With each change of location, switch the
motor off and activate the chain brake.
The device may only be carried with the
saw rail facing towards the back and a
protective cover on.
• Protect the device against hard shocks!
Do not let it fall! If the device has been
subjected to shocks, check immediately
whether fuel is leaking (danger of fire and
explosion!).
• Keep the hot motor of the device away
from everything which is flammable, e.g.
dry grass, plastics.
• Only use the prescribed fuel-oil mixture
(►Approved fuels– p.21).
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• Symbols appearing on your product may
not be removed or covered. Information
on the product that are no longer legible
must be replaced immediately.
Personal protective equipment/sensible
clothing
When cutting, wear the following protective
equipment:
Avoid with your clothing that you get caught
on something:
• Wear only close-fitting clothing!
• Do not wear any jewellery!
• If you have long hair, wear a hair net!
Residual risks
Even when using correctly, there is still a ele-
ment of residual risk that cannot be
excluded.
• Contact with the unprotected saw chain
(injury by cutting)
• Expulsion of parts of the saw chain
• Expulsion of parts of the cut items
• Damage to hearing
• Breathing in of particles from cut items
• Contact with petrol/oil
For this reason, it is essential that this chain
saw is always used with the additional per-
sonal protective equipment as shown on the
machine and described in these operating
instructions. It is also necessary to observer
the safety notes.
Your device at a glance
►P.3, item1
1. Hand guard (trigger for chain brake)
2. Handle
3. Cover for air filter and spark plug
4. Choke handle
5. Handle
6. Throttle
7. Ignition switch
8. Tank cover (for fuel-oil mixture)
9. Pull-starter
10. Tank cover (for saw chain oil)
11. Saw rail
12. Saw chain
13. Throttle block
14. Decompression valve
15. Exhaust
16. Protective cover
17. Chain tensioning screw
18. Fastening nuts (for saw rail)
19. Chain wheel guard
20. Fuel pump
21. Rear hand guard
Scope of delivery
• Instructions for use
• Chain saw
• Protective cover for saw rail
• Tool set
Assembly
Be careful when handling the de-
vice! Observe all safety instruc-
tions in the instructions for use!
Read and observe the operating
instructions before commission-
ing.
Risk of rebound!
Always hold the device firmly in
both hands.
Head protection: safety helmet
with visor
Ear protection: earplugs/ear muffs
according to DINEN 352-1
Eye protection: wrap-around gog-
gles/protective visor on the hel-
met
Foot protection: safety shoes with
gripping soles, steel caps and leg
protection
Hand protection: work gloves of
leather
Clothing: safety overalls (cut-
proof)
Safety jacket (cut-proof)
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Installing the saw rail and sawing chain
►P.4, item3
– Release the chain brake(1) (move the
hand guard back and engage it).
– Unscrew the fastening nuts(18) and
remove the chain wheel guard(19).
►P.4, item4
– Place the sawing chain onto the chain
wheel. Pay attention to the chain’s cor-
rect direction of rotation: the direction in
which the arrow points on the chain
must match the direction marked on
the chain wheel.
►P.4, item5
– Attach the saw rail and push it towards
the chain wheel.
– Insert the sawing chain into the guiding
groove of the saw rail.
– Route the sawing chain around the saw
rail. Ensure the correct location inside the
guiding groove.
– Attach the chain wheel cover. The chain
dowel spin must engage in the hole of the
saw rail.
– Tighten the fastening nuts(18) only
slightly.
Tightening the chain
►P.4, item6
– Slightly lift the tip of the saw rail.
– Check if the sawing chain runs smoothly
by turning it manually.
– Turn the tensioning screw(17) until the
chain lies on the underside of the saw rail.
– Tighten the fastening nuts(18).
Running in the sawing chain
New sawing chain and rails must be re-tight-
ened no later than after the first five cuts. This
is normal during the run-in period; the inter-
vals between future re-adjustments will
become longer.
Filling up the fuel-oil mixture
►P.4, item7
– Store the device safely with the tank
cover for fuel-oil mixture(8) facing
upwards.
– Clean the tank cover(8) and filler neck if
necessary.
– Slowly open and remove the tank
cover(8).
– Fill up the fuel-oil mixture carefully. Do
not spill!
– Check the seal in the tank cover(8) for
damage and clean if necessary. Replace
a damaged seal immediately!
DANGER! Risk of injury! Before the
first use, all parts must be checked to
ensure that they fit tightly and func-
tion correctly.
Improperly mounted parts can cause
severe and even fatal injuries when
using the device! This device may
only be commissioned if all parts are
mounted completely and tightly and
no part is damaged!
The saw rail must be mounted cor-
rectly (►Installing the saw rail and
sawing chain– p.11).
The saw chain must be tensioned
correctly (►Checking the tensioning
of the saw chain– p.17).
WARNING! Risk of injury! An
improperly mounted saw chain
causes uncontrolled cutting behav-
iour of the device! When assembling
the chain, heed the prescribed run-
ning direction!
CAUTION! Risk of injury (cuts from
sharp edges)! The teeth of the saw
chain are very sharp! Protective
gloves must be worn for all work on
the chain.
NOTICE! Device damage! Make
sure that when you purchase it, the
device contains neither the fuel-oil
mixture nor oil for the saw chain.
Before commissioning the device, fill
up the fuel-oil mixture and saw chain
oil (►Technical data– p.20).
DANGER! Risk of injury! Fuel is
explosive!
– Before filling up, switch off the
motor and let it cool off.
– Please strictly follow all safety
information for handling fuel.
NOTICE! Device damage! Only use
the prescribed fuel-oil mixture
(►Approved fuels– p.21).
NOTICE! Device damage! After fill-
ing up the fuel, you should always
check whether there is still enough
saw chain oil in the saw chain oil
tank.
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– Tighten the tank cover(8) with seal by
hand.
– Wipe up any spilled fuel.
Filling up the saw chain oil
►P.4, item7
– Lay the device securely with the tank
cover for saw chain oil(10) upwards.
– Clean the tank cover(10) and filler neck if
necessary.
– Slowly open and remove the tank
cover(10).
– Carefully fill up the saw chain oil. Do not
spill!
– Check the seal in the tank cover(10) for
damage and clean if necessary. Replace
a damaged seal immediately!
– Tighten the tank cover(10) with seal by
hand.
– Wipe up any spilled fuel.
Operation
Safety equipment
The device has several pieces of safety
equipment which reduce the risk of injury
when working:
Throttle block
The throttle block prevents inadvertent actu-
ation of the throttle. The throttle(6) can only
be actuated if the throttle block(13) is trig-
gered simultaneously.
Rear hand guard
The rear hand guard(21) serves to protect
the hand against a jumped chain and disturb-
ing branches and twigs.
Chain catcher
The chain catcher serves to catch a torn saw
chain or one which has jumped out of the
guide. Through regular maintenance of the
saw rail and correct and regular tensioning of
the saw chain, accidents of this type can be
prevented.
Check before starting!
Check the safety equipment and the safe
condition of the device.
– Check all parts to make sure they fit
tightly.
– Check whether there is any leakage.
– Check whether there are visible defects:
broken parts, cracks, etc.
– Check the device for correct chain ten-
sioning.
– Check the function of the chain brake.
Starting the motor
NOTICE! Danger to the environ-
ment! Since the saw chain oil can
penetrate the environment during
operation, biologically-degradable
special vegetable-based saw chain
oils should be used.
DANGER! Mortal danger! Readand
observe the instructions in chapter
►Notes on operation– p.14 before
you operate the device.
13
6 21
DANGER! Risk of injury! The
device must only be put into opera-
tion if no faults are found. If a part is
defective, it must absolutely be
replaced before the next use.
DANGER! Danger of fire! Due to
any spilled fuel, the device can catch
fire.
Wipe any spilled fuel up before start-
ing.
Start the device a few metres away
from the place where you have filled
it.
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– Stand in a secure position.
– Set the device on the ground so that the
saw chain cannot touch anything.
– Activate the chain brake (snap in the hand
guard towards the front).
– Hold the handle firmly with one hand and
press the device on the ground.
Motor cold start
►P.5, item9
– Set ignition switch(7) to[1].
– Gently press fuel pump(20) often enough
that no more bubbles are visible
(approx.6times).
– Press the decompression valve (14).
– Pull the choke lever(4) all the way out.
– Pull the pull starter(9) out evenly as far as
it will go until you hear a first ignition
sound.
– Push the choke lever(4) back in.
– Pull the pull starter(9) out evenly until the
motor starts.
– Release the chain brake(1).
–Slightly press down on the throttle(6).
Motor warm start
►P.5, item9
– Set ignition switch(7) to[1].
– Pull the pull starte(9)r out evenly until the
motor starts.
– Slightly press down on the throttle(6).
– Release the chain brake(1).
– If the motor does not engage after you
pulled the starter three times, repeat the
starting procedure as described under
motor cold start.
Easy Start
►P.5, item11
1. Set the ignition switch (3) to [1].
2. Activate the chain brake by pushing the
hand guard forwards.
3. Actuate the fuel pump (15) approximately
6 times in a row until fuel starts to flow.
4. Pull the cold start lever (14) out fully.
5. Press the decompression valve (14). With
the initial ignition, the piston is moved
and the valve thus automatically closed.
6. Push the chain saw safely to the ground
and pull out the starter cord (6) approxi-
mately 4 times in a row.
7. Activate the gas lever (16) gently to bring
the cold start lever (14) to the normal
position.
8. Evenly pull the starter cord (6) out as far
as it will go until the motor starts up.
9. Allow the motor to operate in neutral for
15 seconds.
10. Release the chain brake (10). Gently
operate the gas lever to warm up the
motor.
After starting the motor
– Leave the motor running at idling speed
for a while.
DANGER! Risk of injury! When
starting, the device must be seated
quietly and firmly. Never leave the
motor on if you still have the device in
your hand!
DANGER! Risk of injury! If the
chain brake is not active, the saw
chain starts up directly after the
motor is started. Always check the
chain brake before starting the motor
(►Checking the chain brake–
p. 17)!
NOTICE! Device damage! Pull the
pull-starter max. 50 cm out and let it
run back in slowly by hand.
DANGER! Danger of injury! After
the machine has started, slightly
operate the throttle once to ensure
that the motor reaches the correct
idling speed and the sawing chain
cannot rotate without a load.
►When something isn’t working…–
p. 19
Note: With the choke handle pulled,
pull the pull starter only until you hear
a first ignition sound. Otherwise, you
may run the risk of fuel leaking into
the combustion chamber, which
would prevent an ignition spark.
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– Slowly press down on the throttle to
increase the motor speed.
The clutch will be released when the motor
speed is high enough, and the sawing chain
will start to rotate.
– Make sure the chain is sufficiently lubri-
cated (►Checking the chain greasing–
p. 17).
– Check if the chain stops rotating when
you release the throttle.
Turning off the motor
– Release the throttle.
– Set ignition switch to[0].
The motor switches off.
Adjust chain greasing
►P.4, item8
The factory-set lubrication quantity should
be changed in exception cases(e.g. in par-
ticular high load).
– Adjust adjustment screw(22) depending
on application area of the saw.
MIN= light work over longer time period e.g.
keying, sawing of small wood
MAX= heavy work over longer time period
e.g. only cutting down trees, sawing of large
quantity of hardwood
Notes on operation
Before use, familiarize yourself sufficiently
with the sawing technique for chain saws.
You will find information about this in the
trade literature. We recommend that you
attend suitable training sessions. The notes
here serve only as a complement!
Correct posture
Stand with both legs securely on the ground.
Heed obstacles in the work area.
While you are working, always hold the
device fast with both hands!
Hold the device:
• with the left hand on the handle
• with the right hand on the handle
• balanced in a secure position.
Here’s how to saw correctly!
– Search the work area and remove objects
which are in your way.
– When you begin work, check the safety of
the device (►Check before starting!–
p. 12).
– Starting the motor (►Starting the
motor– p.12).
– Take the device in both hands as
instructed (►Correct posture– p.14).
– Push the throttle through carefully.
Always saw with sufficient speed!
Risk of rebound!
Rebounds occur if the upper edge or tip of
the saw rail touch wood or other hard
objects. The device is thrown with high
energy back and forth, which can cause
extremely severe injuries.
Avoid letting the area of the saw rail depicted
on the right touch wood or other hard
objects.
In order to reduce the risk of injury in case of
a rebound, the device is equipped with a
chain brake which is triggered automatically
on impact and which stops the saw chain
immediately.
For safety reasons, the functionality of the
chain brake must be checked each time the
device is used (►Checking the chain
brake– p.17).
With less strong rebounds, it can happen
that the chain brake is not triggered automat-
ically. For this reason it is important that the
device be held fast with both hands.
DANGER! Risk of injury! –Never
work on unstable subsurfaces!
– Never work above shoulder
height!
– Never work while standing on a
ladder!
– Do not work bent too far forward!
– Only use the device under favour-
able weather and site conditions!
DANGER! Risk of injury! Always
switch the motor off before you put
the device down!
DANGER! Risk of injury! When
working with the device, dangerous
rebounds may occur! Severe or even
fatal injuries can be the result!
Before beginning work with the
device, the chain brake must be
checked to ensure that it is function-
ing correctly!
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15
Only a careful and correct working
method can reduce the risk of a rebound
reliably!
Basic work technique
Before each use
– Check the chain brake(1) to ensure it is
functioning correctly.
– Checking the tensioning of the saw
chain(12).
– Check the chain catcher for damage.
– Check the on/off switch(7) to ensure it is
functioning correctly.
– Check the throttle block(13) to ensure it
is functioning correctly.
– Check whether all handles are free of oil.
– Check whether all parts of the device are
present, firmly attached and undamaged.
Sawing technique
Pulling sawing
With this technique, sawing occurs with the
underside of the saw rail from above down-
wards. The saw chain thus pushes the device
forwards away from the user. This way, the
front edge of the device forms a support,
which catches the forces which arise on the
tree trunk when sawing.
With pulling sawing, the user has much more
control over the device and can avoid
rebounds better. Therefore, this is the pre-
ferred sawing technique.
Pushing sawing
With this technique, sawing occurs with the
upper edge of the saw rail from below
upwards. The saw chain thus pushes the
device backwards towards the user. If the
saw rail twists, the device can fly towards the
user with great force.
If the user does not balance out the force of
the saw chain pushing backwards with his or
her bodily force, there is a danger that only
the tip of the saw rail will make contact with
the wood and there will thus be a rebound
(►Risk of rebound!– p.14).
Felling a tree
Before beginning the felling work, make sure
that:
• there are no people or animals in the fell-
ing area of the tree
• there is an obstacle-free escape route for
each participant. A retreat (B) occurs
diagonally counter to the felling direction
(A).
• the area around the trunk is free of obsta-
cles (risk of stumbling!).
• the next workplace is at least two and a
half tree lengths (A) away. Before felling,
the felling direction of the tree must be
checked and it must be ensured that
there are no objects or people in a dis-
tance of 2 1/2 tree lengths.
DANGER! Risk of injury! This sec-
tion treats the basic work technique
when handling the device. The infor-
mation provided here does not
replace the many years of training
and experience of a professional.
Avoid any work for which you are not
sufficiently qualified! Thoughtless
handling of the device can cause
severe or even fatal injuries!
DANGER! Risk of injury! Felling
and delimbing work may only be per-
formed by trained people! There is a
risk of fatal injuries!
B
B
A45°
45°
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16
The felling of a tree occurs in two steps:
1. Notch the trunk by approximately one-
third of its diameter on the felling direc-
tion side.
2. On the other side, make the felling cut,
which must be somewhat higher than the
felling notch (approx. 3-5 cm).
Trunks lying flat on the ground
– Cut into the trunk halfway, then turn over
and saw through from the opposite side.
Propped-up trunks
We recommend that you place trunks to be
sawed through on sawhorses. If this is not
possible, the trunk should be lifted with the
help of supporting branches and placed over
trestles.
In area A, first cut through approximately one
third of the trunk diameter from above down-
wards, then make the final cut from below
upwards. In area B, first cut through approx-
imately one third of the trunk diameter from
below upwards, then saw through from
above.
Removing branches
– Always work on the side opposite the
branch in question.
– Begin at the bottom of the trunk and work
upwards.
– Always guide the saw from above down-
wards through the wood.
When removing the branches from trunks
which are lying down, first saw off the free
branches sticking up in the air. Only saw off
supporting branches when the trunk is
sawed in lengths.
Cleaning and maintenance
Cleaning and maintenance overview
Before each use
DANGER! Risk of injury! Never saw
the tree trunk completely through.
The area (C) serves as a "hinge" and
ensures a defined felling direction.
DANGER! Risk of injury! When fell-
ing, stand only to the side of the tree
to be felled! There is a risk of fatal
injuries!
NOTICE! Device damage! Make
sure that the saw rail does not touch
the ground while you are sawing
through the trunk!
12
~5 cm
AB
DANGER! Risk of injury! Do not
saw any trunks under tension!
Splintering wood or a twisted saw rail
can cause extremely severe injuries!
DANGER! Risk of injury! Branches
that are high up or under tension can
wedge the saw chain in the wood!
DANGER! Risk of injury! Before
any maintenance or cleaning work:
– Switch off the motor (►Turning
off the motor– p.14).
– Let the device cool down.
– Disconnect the spark plug
(►Cleaning/replacing the spark
plug– p.18).
DANGER! In the interest of your
own safety! Only perform the main-
tenance work described here your-
self.
Any other work, especially motor
maintenance and repairs must be
performed by a trained professional.
Improper work can cause damage to
the device and thus also injuries.
What? How?
Check device for
damage.
Visual inspection.
Check the chain
brake to ensure it is
functioning correctly.
►Checking the
chain brake– p.17.
Tension saw chain. ►Tightening the
chain– p.11.
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17
After each use
Every 10 hours of operation
Cleaning
Clean the device
– Remove coarse dirt.
– Wipe down the device with a slightly
damp cloth.
Cleaning the oil guide groove of the saw
rail
– Removing the saw rail.
– Clean dirt from the oil guide groove of the
saw rail with a suitable tool.
– Replace the saw rail (►Installing the saw
rail and sawing chain– p.11).
Checking the tensioning of the saw chain
The saw chain is tensioned correctly if it lies
close against the underside of the saw rail
and can be moved easily by hand.
– Loosen the chain brake (snap in the hand
guard towards the back).
– By turning the saw chain by hand, check
to see that it is running correctly.
– Readjust tension of the saw chain when
necessary (►Tightening the chain–
p. 11).
Checking the chain greasing
– Check the oil in the saw chain oil tank and
fill up if necessary (►Filling up the saw
chain oil– p.12).
– Start the motor and press the throttle
through (►Starting the motor– p.12).
– Hold the running saw chain approx. 15
cm over a suitable surface for a short
time.
If there is sufficient chain greasing, the oil
spraying off of the saw chain will form a slight
trail.
Lubricating chain wheel
►P.6, item13
The bearing of the chain wheel should be
regularly lubricated at the front-end of the
rail. About 1× in a week in case of intensive
use.
– Clean the lubrication hole.
– Apply little multi-purpose grease in the
lubrication hole, while moving the chain
with hand.
Checking the chain brake
The chain brake ensures immediate blocking
of the saw chain in case of a rebound. Before
beginning work with the device, it must be
checked to ensure that it is functioning cor-
rectly.
– Set device on the ground.
– Tip the hand guard towards the back.
– Start the motor and press the throttle
through.
– Tip the hand guard forwards. The chain
must stop immediately.
– If the chain brake is not working correctly,
have the device checked by an expert
immediately.
Sharpening the saw chain
What? How?
Clean the device ►Clean the device–
p. 17.
Clean oil guide
groove of the saw rail.
►Cleaning the oil
guide groove of the
saw rail– p.17.
What? How?
Clean the air filter. ►Replacing the air
filter– p.18.
Check the spark plug. ►Cleaning/replac-
ing the spark plug–
p. 18.
NOTICE! Device damage! To clean
the saw rail, use only a plastic spat-
ula, never a steel tool.
DANGER! Risk of injury! A new saw
chain must be re-tensioned after a
maximum of five cuts. This is normal
during the run-in time; the intervals
between subsequent re-tensionings
will get larger.
NOTICE! Device damage! The
device may not be used without suf-
ficient chain greasing.
Insufficient greasing reduces the ser-
vice life of the device.
DANGER! Danger of death! Spe-
cial tools are required to sharpen the
saw chain; these guarantee that the
chain cuts at the correct angle and
depth. Have the saw chain sharp-
ened by a professional!
A worn or improperly sharpened
chain can cause rebounds. Severe or
even fatal injuries can be the result!
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18
Replacing the air filter
►P.6, item12
– Loosen the locking for the upper
cover(23).
– Pull the cover for the air filter and spark
plug(3) on the back upwards and remove
it.
– Remove the air filter(24).
– Replace the cleaned or new air filter.
– Replace the cover for air filter and spark
plug(3) and tighten the locking for the
upper cover(23) again by hand.
Cleaning/replacing the spark plug
►P.6, item12
– Loosen the locking for the upper
cover(23).
– Pull the cover for the air filter and spark
plug(3) on the back upwards and remove
it.
– Remove the air filter(24).
– Remove the spark plug connector(25)
and unscrew the spark plug with a suita-
ble tool.
– Check the electrode for discolouration.
Standard colour: light brown
– Check the electrode distance. Correct
distance: 0.635 mm
– Remove rust accumulations from the
electrode with a wire brush.
– Insert cleaned or new spark plug and
tighten by hand.
– Tighten hand-tightened spark plug
slightly with a suitable tool. Do not tighten
spark plug too tight, since otherwise the
threads will be damaged.
– Replace the spark plug connector(25)
firmly on the spark plug.
– Replace the air filter.
– Replace the cover for air filter and spark
plug(3) and tighten the locking for the
upper cover(23) again by hand.
Storage and transport
Storage
– Let the device cool down before you
store it.
– Store the device as horizontally as possi-
ble. Make sure that no fuel-oil mixture
can run out of the carburetor.
Longer downtimes
– Empty the tanks for the fuel-oil mixture
and saw chain oil.
– Start the motor and let it run until the
motor switches off by itself (►Starting
the motor– p.12).
– Let the motor cool down (approx. 5 min).
– Remove the spark plug (►Cleaning/
replacing the spark plug– p.18).
– Let a teaspoon of clean two-stroke motor
oil run into the combustion chamber.
– Pull the pull-starter slowly several times
in order to coat the internal components
with the oil.
– Replace the spark plug (►Cleaning/
replacing the spark plug– p.18).
Transport in a vehicle
If you are transporting the device in a vehicle:
– Let the device cool down.
– Empty the tanks for the fuel-oil mixture
and saw chain oil.
– Secure the device against slipping.
NOTICE! Device damage! Replace
the spark plug only with a new spark
plug of the same type (►Technical
data– p.20).
NOTICE! Device damage! To clean
the spark plug, use only wire brushes
with brass bristles. Bristles of any
other material will damage the elec-
trode!
DANGER! Risk of injury! Make sure
that unauthorized persons do not
have access to the device!
NOTICE! Device damage! If you are
not going to be using the device for a
while, remove the fuel and chain oil
from the device. This way, you will
prevent a gumming-up of the motor
and of the grease pump.
Store the device in a dry place and
far away from possible sources of
ignition such as ovens, gas thermo-
stats, etc.
WARNING! Risk of injury! Before
transporting the unit, fit the protec-
tive cover over the saw rail.
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19
Faults and remedial measures
When something isn’t working…
Malfunctions are often caused by minor
faults. You can easily remedy most of these
yourself. Please consult the following table
before contacting the vendor. You will save
yourself a lot of trouble and possibly money
too.
DANGER! Danger to life and limb!
Improper repairs can cause your
device to stop functioning safely.
This endangers yourself and your
environment.
Fault/malfunction Cause Remedial measure
Motor does not start. Tank empty? ►Check before starting!– p.12.
Ignition switch on STOP? ►Starting the motor– p.12
Incorrect starting procedure? ►Starting the motor– p.12
Spark plug cable not firmly at-
tached?
Attach plug firmly (►Cleaning/re-
placing the spark plug– p.18).
Plug of the ignition cable
soiled?
Clean plug (►Cleaning/replacing
the spark plug– p.18).
Excess fuel in the combustion
chamber?
Loosen throttle block, press in
choke lever, start motor several
times.
If the motor does not start: remove
spark plug and dry off electrode
(►Cleaning/replacing the spark
plug– p.18).
Spark plug is soiled (tip is rust-
ed)?
Clean spark plug (►Cleaning/re-
placing the spark plug– p.18).
Distance from electrode to
spark plug too great?
Set gap (►Cleaning/replacing the
spark plug– p.18).
Incorrect fuel or incorrect mix-
ture?
Empty tank and fill up with the cor-
rect mixture (►Approved fuels–
p. 21).
Filter for fuel-oil mixture
stopped up?
Have an expert replace it.
Spark plug defective? Replace spark plug.
Motor cold? Actuate choke.
Motor does not reach the
maximum speed.
Air filter is soiled? Replace air filter (►Replacing the
air filter– p.18).
Spark plug is soiled (tip is rust-
ed)?
Clean spark plug (►Cleaning/re-
placing the spark plug– p.18).
Distance from electrode to
spark plug too great?
Set gap (►Cleaning/replacing the
spark plug– p.18).
Incorrect fuel or incorrect mix-
ture?
Empty tank and fill up with the cor-
rect mixture (►Approved fuels–
p. 21).
Excess smoke from the
motor.
Incorrect fuel or incorrect mix-
ture?
Switch device off and empty tank,
then fill up with the correct mixture
(►Approved fuels– p.21).
Chain does not start. Chain brake triggered? Loosen chain brake (►Checking
the chain brake– p.17).
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20
If you can’t fix the fault yourself, contact your
nearest vendor. Please be aware that any
improper repairs will also invalidate the war-
ranty and additional costs may be incurred.
Disposal
Disposal of the appliance
This appliance must not be disposed of with
regular household waste! Dispose of the
appliance in the appropriate manner. For
more information, consult your community
waste disposal service.
Disposing of fuels and lubricants
Waste fuels, waste oils, and materials con-
taining oils (air filter, rags, etc.) may not get
into the environment.
– Bring waste materials that could damage
the environment to a collection point of
the dealer or in your community.
Disposal of the packaging
The packaging consists of card-
board and correspondingly marked
plastics that can be recycled.
– Make these materials available
for recycling.
Technical data *) The specified values are emission values and do not necessar-
ily represent safe workplace values. Although there is a corre-
lation between emission and immission levels, this cannot be
used to infer whether additional safety measures are necessary
or not. Factors which affect the current immission levels at the
workplace, include the type of room, other sources of noise,
e.g. the number of machines operating and other processes
taking place in the vicinity. Permitted workplace values can dif-
fer from country to country. This information is designed to help
the user to better assess the dangers and risks.
**) The specified vibration emission value was measured in
accordance with a normed test procedure and can be used in
order to compare one tool with another. The specified vibration
emission value can also be used for an introductory evaluation
of the exposure. The vibration emission value may fluctuate
from the specified value during actual use of the power tool.
These fluctuations will depend on the way in which the power
tool is used. Try to keep vibrations to a minimum. One method
of reducing the vibration load is, for example, limiting the length
Chain starts up before
throttle is actuated.
Chain brake not switched on? Switch on chain brake (►Checking
the chain brake– p.17).
Idling speed too high? Press throttle again slightly after
starting.
Insufficient chain grease. Tank for saw chain oil empty? Fill up saw chain oil (►Filling up the
saw chain oil– p.12).
Oil guide groove of the saw
chain stopped up?
Clean oil guide groove (►Cleaning
the oil guide groove of the saw rail–
p. 17).
Fault/malfunction Cause Remedial measure
WARNING! Risk of fire or environ-
mental damage! Avoid damage
caused by leaking fuel: drain the tank
prior to disposal.
Item number 468419
Cubic capacity 45,02 cm³
Max. motor output 1,8kW
Specific fuel consumption
at maximum power
560g/kWh
Fuel consumption at max-
imum power
0,9kg/h
Idle revolutions ≤3200 min-1
Max. motor speed with
cutting tool
≤11000 min-1
Volume of fuel tank 550 cm³
Volume of oil tank 260 cm³
Dimensions (length ×
width × height)
425 × 240 ×
288mm
Weight (without saw rail
and chain and with empty
tanks)
5,8 kg
Sound pressure level
(LPA)*
99dB(A) (K=
3 dB(A))
Sound power level (LWA)* 112dB(A) (K=
3dB(A))
Maximum braking time 108ms
Vibration** ≤12,17m/s² (K=
1,5m/s²)
Effective cutting length 415mm (18")
Chain division 9,525mm
(0,375")
Chain thickness 1,27mm (0,05")
Drive wheel 7teeth ×
9,525mm
(0,375")
Spark plug Bosch L8RTF
Saw rail Oregon
180SDEA095
Saw chain Oregon 91P061X
Item number 468419
GB
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