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ENGINE
18
18.4
Work on individual arts
18.4.1
Work on the right section of the engine case
Remove all dowels.
Remove shaft seal ring
Remove nozzle
Remove oil nozzle
Remove screw
Remove the oil nozzle for piston cooling.
Remove screws@). 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
1150 °C (302 °F)
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.
308658-10
Blow out oil nozzle
Guideline
Oil nozzle for balancer
shaft lubrication
Insert the new cold bearings into the bearing seats of the hot engine case section
and, if necessary, use a suitable press drift to push the bearing all the way to the
stop or so that it is flush.
•
Info
I
308660-10
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.
Press in shaft seal ring
flush.
Mount and tighten nozzle
Guideline
Nozzle, crank chamber
ventilation
Mount and tighten oil nozzle
Guideline
Oil nozzle for conrod
bearing lubrication
Mount the oil nozzle for piston cooling.
Mount and tighten screw
O
of the crankshaft.
8.
fD
for conrod bearing lubrication.
C,.
(D
with compressed air and check that it is clear.
M4
O
of the crankshaft with the open side facing out so it is
8.
M4
@).
M4
C,.
2Nm
Loctite
243
®
(1.5 lbf ft)
2Nm
Loctite
®
243
(1 .5 lbf ft)
2Nm
Loctite
243
®
(1 .5 lbf ft)
142
™
™
™
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