9. FINAL DRIVING MECHANISM SYM
9-4
Check bearings on gear box and cover.
Rotate each bearing’s inner ring with fingers.
Check if bearings can be turned in smooth
and silent, and also check if bearing outer
ring is mounted on gear box & cover tightly.
If bearing rotation is uneven, noising, or
loose bearing mounted, then replace it.
Check oil seal for wear or damage, and
replace it if necessary.
Caution
Check driving shaft and gear for wear or
damage.
BEARING REPLACEMENT
Caution
Remove driving shaft bearing from left
crankcase using following tools;
Inner type bearing puller
Install new driving shaft bearing into left
crankcase.
Tool:
Press the bearing into cover with C type
hydraulic presser or bearing installer.
Do not remove the driving shaft from
the cover top side.
If remove the driving shaft from the
cover top side, then its bearing has to
be replaced.
Never install used bearings. Once
bearing removed, it has to be replaced
with new one.
final driving shaft
final driving gear
countershaft
countershaft gear
driving shaft
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