Stihl 088 - Cylinder and Piston Service

STIHL 088 20
4.4 Exposing the Cylinde
r
4.5 Cylinder and Piston
4.5.1 Removal
Always check and, if necessary,
repair the fuel system, carburetor,
air filter and ignition system before
looking for faults on the engine.
Troubleshooting chart - see
"Standard Repairs, Trouble
shooting" handbook.
- Remove the muffler - see 4.1
- Remove the carburetor
- see 10.2.1.
- Remove decompression valve
- see 4.8.
• Slip assembly sleeve (1)
1124 893 4600 over the crank-
shaft stub.
Preparations - see 4.4.
• Unscrew the four cylinder base
screws through the holes in the
cylinder.
- Push the oil seal, open side facing
the crankcase, over the assembly
sleeve.
• Press oil seal home with press
sleeve (1) 1127 893 2400.
- Remove the assembly sleeve.
- Wait about one minute, then turn
the crankshaft several times.
- Install the spur gear - see 9.3.
• Carefully lift the cylinder up and,
at the same time, push the
manifold through the tank housing
opening.
Caution: Do not use pointed or
sharp-edged tools.
• Unscrew the spark plug.
Reassemble in the reverse
sequence.
• Carefully separate the cylinder
gasket from the cylinder base.
- Pull the cylinder off the piston.
• Take the sleeve out of the
manifold.