Bellows - Stihl 029, 039 Service Manual

STIHL 029, 039
Top:
Withdrawing the stub
Bottom:
O-ring
- Pull the stub out of the control
valve.
- Remove the O-ring from the
stub.
- Take the retainer off the control
valve.
Installation is a reversal of the
removal sequence.
Top:
Retainer
Bottom:
Installing the O-ring
Note: Lubricate new O-ring with a
little oil and fit it in the hole in the
cylinder.
Position control valve against the
cylinder and push the stub into the
hole in the cylinder.
Check that clip is properly
positioned between cooling fins.
11.6.13

Bellows

1 =Collar
2 = Bellows
3 = Nipple
- Remove the carburetor –
see 11.6.8.
- Use a blunt tool to pry the
bellows out of the hole in the
handle housing.
- Test the bellows - see 11.6.6.
- Push bellows home until the
collar locates behind the handle
housing.
- Line up the bellows so that its
nipple points upward.
- Install the carburetor - see 11.6.8.
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