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17
ENGINE
17.4.2
Work on the left section of the engine case
Guideline
Screw, oil nozzle for pis
ton cooling
Position all bearing locks.
0.
Mount and tighten screws
Guideline
Locking screw for bearing
Blow out the oil channel with compressed air and check that it is clear.
Remove all dowels.
O
Remove shaft seal ring
of the crankshaft,
8
Remove oil nozzle
for clutch lubrication.
C,
Remove oil nozzle
for piston cooling.
Remove screws (D. Remove the bearing retainers.
Remove any sealing mass remnants and clean the engine case section
thoroughly.
Warm the engine case section in an oven.
Guideline
11
so
c
(302 °F)
0
Knock the engine case section against a level wooden plate. This will cause the
bearings to drop out of the bearing seats.
•
Info
I
Any bearings that remain in the engine case section must be removed
using a suitable tool.
Insert the new cold bearings in the bearing seats of the heated section of the
engine case; if necessary, use a suitable press drift to push them all the way in
and make them flush.
•
Info
I
When pressing the bearing in, ensure that the engine case section is level
to prevent damage.
Only press the bearings in via the outer bearing race; otherwise, the bear
ings will be damaged when they are pressed in.
After the engine case section has cooled, check that the bearings are firmly
seated.
•
Info
I
If the bearings are not firmly seated after cooling, it is likely that they will
rotate in the engine case when warm. In this case, the engine case must
be renewed.
Mount the dowels.
O
Press in shaft seal ring
of the crankshaft with the open side facing out so it is
flush.
8
Press in shaft seal ring
of the shift shaft so it is flush with the open side facing
in.
@)
Press in shaft seal ring
of the countershaft so it is flush with the open side
facing in.
Mount and tighten oil nozzle •.
Guideline
Oil nozzle for clutch lubri-
cation
Mount and tighten oil nozzle
M4
2Nm
(1 .5 lbf ft)
M5
6Nm
(4.4 lbf ft)
8
shift shaft and
M5
6Nm
(4.4 lbf ft)
0.
141
Loctite
243
®
™
Loctite
243
®
™
8
countershaft.
Loctite
243
®
™
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