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CAUTION!:
Replace damaged air lters immediately.
Pieces of cloth or large dirt particles can destroy
the engine!
Replacing the spark plug Fig. 26/27
CAUTION!: Do not touch the spark plug (Q) or plug
cap (R) if the engine is running (high voltage).
Switch off the engine before starting any mainte-
nance work.
A hot engine can cause burns. Wear protective
gloves!
The spark plug (Q) must be replaced in case of dam-
age to the insulator, electrode erosion (burn) or if the
electrodes are very dirty or oily.
Unscrew the screw (O) and take off the air lter cover (9).
Pull the plug cap (R) off the spark plug (Q). Use only
the universal wrench (23) supplied with the saw to re-
move the spark plug.
Electrode gap
The electrode gap must be .020“ (0.5 mm).
Replacing the starter cable
The replacement of the starter rope must be done by
a specialist rm.
Replacing the return spring unit
The replacement of the return spring cassette must
only be done by a specialist rm.
Cleaning the exhaust mufer Fig. 28
CAUTION!: If the engine is hot there is a risk of
burning. Wear protective gloves!
Remove the sprocket guard (17).
Remove deposits of carbon from the exhaust outlets
(S) of the mufer.
Important hint in case of sending the equipment
to a service station:
Due to security reasons please see to it that the
equipment is sent back free of oil and gas!
Instructions for periodic maintenance
To ensure long life, prevent damage and ensure the
full functioning of the safety features the following
maintenance must be performed regularly. Guaran-
tee claims can be recognized only if this work is per-
formed regularly and properly. Failure to perform the
prescribed maintenance work can lead to accidents!
The user of the chain saw must not perform mainte-
nance work which is not described in the instruction
manual. All other work may only be performed by a
specialist workshop.
Cleaning the guide bar, lubricating the sprocket
nose Fig. 21
CAUTION!: Protective gloves must be worn!
Regularly inspect the bearing surfaces of the guide
bar for damage, and clean them with a suitable tool.
If the saw is used intensively it will be necessary to
lubricate the return sprocket bearings (G) regularly
(once a week). To do this, rst thoroughly clean the 2
mm hole at the tip of the guide bar (H), and then press
in a small amount of multi-purpose grease.
Multi-purpose grease and grease guns are available
in specialty retail trade.
Replacing the saw chain
CAUTION!: Use only chains and guide bars designed
for this saw.
Check the sprocket (E) before mounting a new chain
(1). Fig. 22
CAUTION!: Worn out sprockets may damage the
new chain and must therefore be replaced.
Replacing the clutch drum and sprocket
The replacement of the clutch drum and sprocket
must be performed by a specialist company.
Replacing the fuel lter Fig. 23
The felt lter (N) of the fuel lter can become clogged.
It is recommended to replace the fuel lter once every
three months in order to ensure unimpeded fuel ow
to the carburetor.
To remove the fuel lter for replacement, pull it out
through the tank ller neck using a piece of wire bent
at one end to form a hook.
Cleaning the air lter Fig. 24/25
Unscrew screw (O) and remove the lter cover (9).
IMPORTANT!: Cover the intake opening with a clean
cloth in order to prevent dirt particles from falling into
the carburetor.
Remove the air lter (P).
CAUTION!: To prevent injury to the eyes, do NOT
blow out dirt particles! Do not use fuel to clean
the air lter.
Clean the air lter with a soft brush.
If the lter is very dirty, clean it in lukewarm water with
dishwashing detergent.
Let the air lter dry completely.
If the lter is very dirty, clean it frequently (several
times a day), because only a clean air lter provides
full engine power.
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