Cleaning
the
air filter
I
I
-
-
Remove the filter cover (W1)
(2
screws).
Loosen the screws on the air filter (F/2) and remove from
intake manifold.
Loosen the screw on the prefilter cover (F/3) and remove.
-
-
Remove prefilter (F/4).
IMPORTANT:
Cover the intake opening with a clean cloth to prevent dirt
particles from getting into the carburetor.
-
Pry apart the top and bottom of the air filter as shown in
Figure
G.
CAUTION:
To prevent injury
to
the eyes, do NOT blow out dirt partl-
cles!
Do
not use fuel
to
clean the air fllter and pretllter.
Replacing the spark plug
@@
CAUTION:
Do
not touch the spark plug or plug cap if the engine is
running (high voltage).
Switch
off
the engine before starting any maintenance
work
A hot engine can cause burns. Wear protective gloves!
The spark plug must be replaced in case of damage
to
the
insulator, electrode erosion (bum) or
if
the electrodes are very
dirty or oily.
-
Remove the filter cover (see 'Cleaning the air filter').
-
Pull the plug cao
(H/1)
off
the spark plug.
Use
only the
combination wrench supplied with the
saw
to
remove the
spark plug.
CAUTION: Use only the following spark plugs:
BOSCH
WSR
6F
or NGK
BPMR
?A.
-
-
Clean the air filter and prefilter with a
soft
brush.
If the filter is very dirty, clean it in lukewarm water with
dishwashing detergent.
-
Let the air filter
dry
completely.
-
Put the top and bottom sections back together.
-
Before reinstalling the air filter, check the intake opening
and remove any dirt particles.
If
there are any, remove them
with a brush.
Clean frequently (several times a day) when working in very
dusty or dirty conditions. Full engine power is possible oniywith
a clean air filter and prefilter!
CAUTION:
If
the air filter
or
prefilter becomes damaged,
replace immediately!
Pieces
of
cloth or large dirt particles can destroy the
engine!
Checking the ignition spark
-
Press the loosened spark plug with the ignition cable firmly
connected against the cylinder using insulated pliers
(not
near the spark plug opening).
OWOFF switch in the
"I'
(ON)
position.
Pull the starter cable hard.
-
-
If
the function is correct, an ignition spark must be visible near
the electrodes.
27
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