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16
ENGINE
16.4.2
Work on the left section of the engine case
–
Remove all dowels.
–
Remove oil jet
–
Remove the shaft seal ring of countershaft
Info
The shaft seal ring
crankshaft bearing.
–
Screw off the membrane support plate
membrane
–
Remove screw
302590-10
–
Remove screw plug
drill hole.
–
Remove any sealing mass remnants and clean the engine case section thoroughly.
–
Warm the engine case section in an oven.
Guideline
150 °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.
300160-10
Info
Any bearings that remain in the engine case section must be removed using
a suitable tool.
–
Press out the shaft seal ring of the crankshaft from the outside to the inside.
–
Press in the shaft seal ring of the crankshaft from the inside to the outside with the
open side facing out.
Info
The shaft seal ring must be flush on the outside.
–
Warm the engine case section again.
Guideline
150 °C (302 °F)
–
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
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
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.
.
1
of the crankshaft cannot be removed before the
4
.
6
with the washer.
A
and take pressure spring
7
and shift shaft
.
2
3
and remove it together with
5
with piston valve
8
120
out of the
9
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