INSPECTION AND REPAIR OF BASIC ENGINE
6-18
4.10 Inspecting oil seal contact surface
Inspect the oil seal contact surface located on the crankshaft
rear part. If the crankshaft wears due to the oil seal, replace
the oil seal and the oil seal sleeve with new spare parts.
Installing front oil seal (1)
4.10.1 Installing oil seal sleeve
&$87,21
Be careful not to dent or wound the oil seal sleeve cir-
cumference.
When installing the oil seal sleeve, apply the oil to the
inside of the oil seal sleeve, and drive it into the crankshaft
by using oil seal sleeve installer set.
When the engine is operated again and the oil seal sleeve
wears, remove the oil seal sleeve by using following method
and replace the oil seal assembly (oil seal and oil seal
sleeve) with the new spare parts.
Installing oil seal sleeve
Installing front oil seal (2)
4.10.2 Removing oil seal sleeve
&$87,21
When making a cut in the sleeve, be very careful not to
damage the crankshaft with the chisel.
Make a cut at three locations on the periphery of the oil seal
sleeve to reduce its tension. To do so, hold a chisel against
the sleeve periphery in the radial direction and strike it with
a hammer. When the sleeve is loosened, remove the sleeve.
If the sleeve can not be removed by the above procedure,
hold the chisel against the sleeve in the axial direction and
tap on it lightly to make the sleeve expand. Once the
interference between the crankshaft and sleeve is
eliminated, the sleeve will be removed easily.
Removing oil seal sleeve
Oil seal
Oil seal sleeve
Guide
P/N:30691-13100
Installer
P/N:30691-13200
Oil seal sleeve
installer set
P/N:30691-13010
Oil seal
Oil seal sleeve
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