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17
ENGINE
17.4.2
Work on the left section of the engine case
Remove all remaining dowels.
O.
Remove screw
Remove oil spray tube@.
8.
Remove screws
Remove membrane support plate
0
Remove shaft seal ring
of the countershaft and shaft seal ring
shaft.
•
Info
I
Shaft seal ring @ of the crankshaft can only be removed after the
crankshaft bearing is removed because of a smaller collar on the outside.
fD.
Remove screws
Remove membrane support plate
Remove any sealing mass remnants and clean the engine case section
thoroughly.
Warm the engine case section in an oven.
Guideline
1 150 °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.
•
Info
I
Any bearings that remain in the engine case section must be removed
using a suitable tool.
Press shaft seal ring @ of the crankshaft from the inside to the outside.
Warm the engine case section again.
Guideline
1 150 °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
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.
Press the shaft seal ring @ of the crankshaft from the outside to the inside with
the open side facing out.
•
Info
I
The shaft seal ring must be flush on the outside.
0
Press in the shaft seal ring
shift shaft with the open side facing inward until it is flush.
Position membrane support plate
fD.
Mount and tighten screws
C,
and the membrane.
0
and the membrane.
of the countershaft and shaft seal ring
@)
together with the membrane.
146
(3
of the shift
(3
of the
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