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18
ENGINE
155
- Blow compressed air through all oil channels and check
that
they are clear.
Finishin,
work
- Install the oil pressure regulator valve. (or
p.
157)
18.4.2
Work
on
the
left
section
of
the
eniline
case
- Remove all remaining dowels.
-
Remove
screw
- Remove oil spray tube
-
Remove
screws
- Remove membrane support plate and the membrane.
- Remove
the
shaft seal ring of countershaft
and
shift
shaft
•
Info
I The shaft seal ring of crankshaft can only
be
removed after
the
crankshaft bearing
has
been
taken out because of a small external collar.
-
Remove
screws
- Remove membrane support plate and the membrane.
- Remove any sealing mass remnants and clean the engine case section thoroughly.
- Warm the engine case section in
an
oven.
Guideline
1150
°C
(302
oF)
- 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
su
itable tool.
-
Press
out the shaft seal ring of crankshaft from
the
inside to the outside.
-
Press
in the shaft seal ring from the outside toward the inside, with the open side
faci ng outward.
•
Info
I The shaft seal ring must be flush on
the
outside.
-
Warm
the
engine
case
section
again.
Guideline
1150
°C
(302
OF)
- 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.
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