Exposing The Cylinder; Disassembly Of Cylinder And Piston - Stihl 009 User Manual

STIHL 009, 010, 011
3.3

Exposing the Cylinder

Top:
Unscrewing the fan housing
Bottom:
Unscrew the muffler
screws
Unscrew the collar nut and take off the
chain sprocket cover. Remove flat
head screw from rear vibration dam-
per. Unscrew the fan housing and pull
off the spark plug terminal.
Once the muffler is removed the
cooling fins of the cylinder are easily
accessible. They should be thorough-
ly cleaned and examined for signs of
damage (cracks, broken cooling fins
etc.).
3.4 Disassembly of Cylinder
and Piston
Top:
Removing the handle moulding
Bottom:
Removing hexagon nut from handlebar
First drain the fuel and oil tanks and
remove the spark plug. Unscrew the
four self-tapping screws from the
handle moulding, take off the mould-
ing and disconnect throttle cable from
throttle trigger. Push the handle
moulding back into position to prevent cylinder off the piston.
the throttle trigger and flat spring
dropping out.
Now take off the rear handle together
with the handlebar. To do this, un-
screw the M 5 hexagon nut and flat
Top:
Removing flat head screw
Bottom:
Removing cylinder base
head screw from the front vibration
damper.
Unscrew the two cylinder base
screws - which secure the cylinder
to the crankcase - and then pull the
12