Oil Seals - Stihl 088 Owner's Manual

4.3

Oil Seals

It is not necessary to disassemble
the complete crankcase if only the
oil seals have to be replaced.
Starter side:
- Remove the flywheel - see 5.3.
• Remove key from crankshaft.
- Use a suitable pipe or punch to
carefully tap the oil seal and free it
off.
• Apply puller (1) 5910 890 4400
(with No. 3.1 jaws
0000 893 3706).
STIHL 088
- Clamp the arms.
- Pull out the oil seal.
Important: Take special care not to
damage crankshaft stub.
- Clean sealing face on crankshaft
stub with standard commercial.
solvent-based degreasant
containing no chlorinated or
halogenated hydrocarbons –
see 11.2.
- Lubricate sealing lips of oil seal with
grease - see 11.2.
- Thinly coat the outside diameter of
the oil seal with sealant - see 11.2.
- Push the oil seal over the
crankshaft stub - the open side
must face the crankcase.
• Use the press sleeve (1)
1127 893 2400 to install the oil
seal.
- Wait about one minute, then turn the
crankshaft several times.
- Install the flywheel - see 5.3.
Clutch side:
- Remove the spur gear - see 9.3.
- Fit No. 3.1 jaws 0000 893 3706 to
the puller.
• Apply puller (1) 5910 890 4400.
- Clamp the arms.
- Pull out the oil seal.
Important: Take special care not to
damage crankshaft stub.
- Clean sealing face on crankshaft
stub with standard commercial,
solvent-based degreasant
containing no chlorinated or
halogenated hydrocarbons -
see 11.2.
- Lubricate sealing lips of oil seal
with grease - see 11.2.
- Apply thin coat of sealant
(see 11.2) to outside diameter of
oil seal.
19