18
ENGINE
145
18.4.2
Work on the left section of the engine case
308183-10
–
Remove all dowels.
–
Remove shaft seal ring
1
of the crankshaft,
2
shift shaft and
3
countershaft.
–
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.
Info
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
When pressing the bearing in, ensure that the engine case section is level to
prevent damage.
Only press the bearings in via the outer ring; otherwise, the bearings 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.
–
Press in shaft seal ring
1
of the crankshaft so it is flush with the open side facing
in.
–
Press in shaft seal ring
2
of the shift shaft so it is flush with the open side facing
in.
–
Press in shaft seal ring
3
of the countershaft so it is flush with the open side fac-
ing in.
303029-10
–
Blow out lubrication bore
4
with compressed air and check that it is clear.
–
Mount the dowels.
18.4.3
Removing the crankshaft bearing inner race
303480-10
–
Fixate the crankshaft in the vice with special tool
1
.
Separator plate (54829009000) (
Info
Use soft jaws.
–
Warm up special tool
2
.
Guideline
150 °C (302 °F)
Tool for inner bearing race (58429037040) (
