Stihl 088 - Decompression Valve Service

STIHL 088 32
• Press it fully home with press
sleeve (1) 1127 893 2400.
Note: The press surface must be flat
and free from burrs.
• Remove the grommet (1).
• Unscrew the decompression
valve (2).
• Take out the shroud mounting
screws.
- Lift away the shroud.
- Slide the oil seal, open side facing
the crankcase, over the assembly
sleeve.
• Press it home with press sleeve
(1) 1127 893 2400.
- Remove the assembly sleeve.
- Wait about one minute, then turn
the crankshaft several times.
Assembly of the remaining parts is a
reversal of the disassembly
sequence.
• Fit screws and tighten them down
alternately in a diagonal pattern to
11.5 Nm (8.5 Ibf.ft).
Note: Trim away any excess gasket
material in the area of the cylinder
mounting face.
- Coat sealing lips of oil seals with
grease - see 11.2.
- Apply thin coating of sealant, see
11.2, to outside diameter of oil
seals.
- Slide the oil seal, open side facing
the crankcase, over the ignition
end of the crankshaft.
• Fit the assembly sleeve (1)
1124 893 4600 over the clutch
end of the crankshaft.
- Remove carburetor box cover
- see 10.1.
• Pull off the spark plug boot (1).
4.8 Decom
p
ression Valve