38 BR 500, BR 550, BR 600
It is not necessary to disassemble
the engine to replace the oil seals.
Starter side
– Remove the flywheel, b 7.7
– Free off the oil seal in its seat by
tapping it with a suitable tube or a
punch.
: Apply puller (1) 5910 890 4400
with No. 3.1 jaws and clamp the
arms.
– Pull out the oil seal.
Take care not to damage the
crankshaft stub.
– Inspect the crankshaft running
face for scores.
– Clean sealing face in crankcase
and crankshaft with standard
solvent-based degreasant
containing no chlorinated or
halogenated hydrocarbons,
b 13.
Install in the reverse sequence.
– Thinly coat the outside diameter
of the oil seal with sealant, b 13.
– Lubricate sealing lips of oil seal
with grease, b 13.
– Slip the oil seal (1) over the
crankshaft and up against the
crankcase.
Note installed position:
Closed side of oil seal must face
outward.
: Use the press sleeve (2)
1108 893 2405 to press home the
oil seal (1) until it is flush with the
crankcase.
Install all other parts in the reverse
sequence.
Fanwheel side
– Remove the fanwheel, b 11.3
: Apply puller (1) 5910 890 4400
with No. 3.1 jaws and clamp the
arms.
– Pull out the oil seal.
Take care not to damage the
crankshaft stub.
– Inspect the crankshaft running
face for scores.
– Clean sealing face in crankcase
with standard solvent-based
degreasant containing no
chlorinated or halogenated
hydrocarbons,
b 13.
Install in the reverse sequence.
: Slip the installing sleeve (1)
1118 893 4602 over the end of
the crankshaft.
7.9 Crankshaft
7.9.1 Oil Seals
RA_452_00_01_02.book Seite 38 Donnerstag, 16. Februar 2012 11:52 11
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