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28 – English
MAINTENANCE
Chain catcher
Check that the chain catcher is not damaged and is firmly
attached to the body of the chain saw.
Vibration damping system
Regularly check the vibration damping units for cracks or
deformation.
Make sure the vibration damping units are securely attached
to the engine unit and handle unit.
Stop switch
Start the engine and make sure the engine stops when you
move the stop switch to the stop setting.
Muffler
Never use a machine that has a faulty muffler.
Regularly check that the muffler is securely attached to the
machine.
Some mufflers are equipped with a special spark arrestor
screen. If your machine has this type of muffler, you should
clean the screen at least once a week. This is best done with
a wire brush. A blocked screen will cause the engine to
overheat and may lead to serious damage. Note! The screen
must be replaced if it is damaged. If the screen is blocked the
machine will overheat and this will cause damage to the
cylinder and piston. Never use a machine with a muffler that is
in poor condition. Never use a muffler if the spark arrestor
screen is missing or defective.
The muffler is designed to reduce the noise level and to direct
the exhaust gases away from the operator. The exhaust
gases are hot and can contain sparks, which may cause fire
if directed against dry and combustible material.
A muffler equipped with a catalytic converter significantly
reduces the amount of hydrocarbons (HC), nitrogen oxides
(NO) and aldehydes in the exhaust fumes. Carbon monoxide
(CO), which is poisonous and odorless, is not however reduced!
Consequently, never work in an enclosed or badly ventilated
area. Good air circulation should always prevail when working
in snowy hollows, ravines or in confined conditions.
Starter
Changing a broken or worn starter cord
• Loosen the screws that hold the starter against the
crankcase and remove the starter.
!
WARNING! When the recoil spring is wound
up in the starter housing it is under tension
and can, if handled carelessly, pop out and
cause personal injury.
Care must be exercised when replacing the
return spring or the starter cord. Wear
protective glasses and protective gloves.