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Dismantling
Dismantle the following parts:
• Cylinder cover. See operating instructions.
• Spark plug. See operating instructions.
Saws 36, 40, 41 and 45.
Dismantle the insulation plate between the
cylinder and the carburettor and the intake
manifold.
Remove the cables to the ignition coil.
Remove the ignition coil.
Saws 36 and 41.
Dismantle the tank unit.
See page 102.
Remove the needle bearing from the little
end of the connecting rod. Remove the
decompression valve if fitted.
108
– English
PISTON AND CYLINDER
Saws 40 and 45.
Undo the four bolts under
the crankcase.
• Carburettor.
• Muffler.
Other saws
On saw 394, disconnect the anti-vibration
spring (A) from the cylinder.
On all chain saws, undo the four cylinder
bolts (B). The bolts are removed using a 4
mm allen key (smaller saws) or 3/16" allen
key (larger saws).
B
NOTE!
Ensure that no dirt or other foreign
particles fall into the crankcase.
Carefully lift up the cylinder.
Immediately cover the crankcase opening/
crankshaft and crankshaft bearing with a
paper or cloth.
Remove one of the circlips on the piston
push out the gudgeon pin and remove the
piston.
A
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Troubleshooting
