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3MNGINE -
WORK
ON
THE
INDIVIDUAL
PARTS
132
- Position all bearing retainers.
- Mount and tighten screws
Guideline
Locking screw for bearing M5
6
Nm
Lactile-
243â„¢
(4.4
Ibf ft)
-
Blowout
the oil channel with compressed air and check that it is clear.
Worklnl
on
Ittl
11ft
slctlon
of
Ittl
Inllnl
Casl
-
Remove
all dowels.
-
Remove
shaft seal ring of the crankshaft,
shift
shaft and countershaft
-
Remove
bearing bolt
-
Remove
oil jet in the oil channel.
-
Remove
oil jet for piston cooling.
-
Remove
screws .
Remove
the bearing retainers.
-
Remove
oil suction pipe
-
Remove
the rest
of
the sealing compound and thoroughly clean the section of the
engine
case.
- Warm the section
of
the engine case in
an
oven.
Guideline
1150
°C
(302
OF)
- Place the section of the engine
case
on
a flat sheet of
wood
and knock
on
the
case;
the bearings will then fall out of the bearing seats.
_
Info
I Any bearings still remaining in the section
of
the engine case must
be
removed with 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
I
To
prevent damage, ensure that the section of the engine case lies flat when
pressing
it
in.
Only press in the bearings
by
way
of
the outer bearing race,
as
otherwise the
bearings will
be
damaged when they
are
pressed
in.
- Insert bearing bolt
- After the section of the engine case
has
cooled down, check
to
ensure that the
bearings
are
firmly seated.
•
Info
I
If
the bearings are not firmly seated once cooled down,
it
can
be
assumed
that the bearing races will turn in the engine
case
at
higher temperatures.
In
this
case,
the engine
case
needs
to
be replaced.
- Mount the dowels.
-
Press
in shaft
seal
ring of the crankshaft
so
it
is
flush with the
open
side facing
out.
-
Press
in shaft
seal
ring of the
shift
shaft
so
it
is flush with the
open
side facing
in.
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