3MNGINE -
WORK
ON
THE
INDIVIDUAL
PARTS
118
Workinl
on
the
rilht
section
of
tbe
enline
case
-
Remove
the oil pressure regulator valve. (
or
p.
121)
-
Remove
all remaining dowels.
-
Remove
oil jets 0 and
•.
-
Remove
the bearing retainer of crankshaft bearing., main shaft bearing
.,
coun-
tershaft
bearing.
and
shift
drum
bearing
•.
-
Remove
the rest
of
the sealing compound and thoroughly clean the section of the
engine
case.
- Warm the section
of
the engine case using
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.
-
Press
out the shaft seal
ring.
of the crankshaft from the inside
to
the outside.
•
Info
I
Do
not press the shaft seal ring from the outside toward the inside,
as
there
is
a small collar
on
the inside.
-
Remove
shaft seal
ring.
of the balancer shafl.
-
Press
the shaft seal ring of the crankshaft from the outside
to
the inside with the
coated sealing lip facing in.
•
Info
I The shaft seal ring must be flush toward the outside.
-
Press
in shaft
seal
ring.
of the balancer shaft with the
open
side facing oul.
1 Push-in
drift
(78029043030)
(
or
p.
261)
- Warm up the section of the engine case again.
Guideline
1150
°C
(302
OF)
- Insert the
new
cold bearings in the bearing seats of the heated section of the
engine case.
If
necessary,
use
a suitable
press
drift
from the inside toward the
outside.
Push
all the way to the stop
so
that they are flush.
•
Info
I
When
pressing in, ensure that the section
of
the engine case lies flat in
order prevent damage.
Dnly press in the bearings
by
way
of
the outer ring,
as
otherwise the bear-
ings will
be
damaged when they
are
pressed
in.
- 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.
- Position all bearing retainers. Mount
and
tighten the screws.
Guideline
Locking screw for bearing M5 6
Nm
(4.4
Ibf ft)
- Mount and tighten oil jet
•.
3MNGINE -
WORK
ON
THE
INDIVIDUAL
PARTS
118
Workinl
on
the
rilht
section
of
tbe
enline
case
-
Remove
the oil pressure regulator valve. (
or
p.
121)
-
Remove
all remaining dowels.
-
Remove
oil jets 0 and
•.
-
Remove
the bearing retainer of crankshaft bearing., main shaft bearing
.,
coun-
tershaft
bearing.
and
shift
drum
bearing
•.
-
Remove
the rest
of
the sealing compound and thoroughly clean the section of the
engine
case.
- Warm the section
of
the engine case using
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.
-
Press
out the shaft seal
ring.
of the crankshaft from the inside
to
the outside.
•
Info
I
Do
not press the shaft seal ring from the outside toward the inside,
as
there
is
a small collar
on
the inside.
-
Remove
shaft seal
ring.
of the balancer shafl.
-
Press
the shaft seal ring of the crankshaft from the outside
to
the inside with the
coated sealing lip facing in.
•
Info
I The shaft seal ring must be flush toward the outside.
-
Press
in shaft
seal
ring.
of the balancer shaft with the
open
side facing oul.
1 Push-in
drift
(78029043030)
(
or
p.
261)
- Warm up the section of the engine case again.
Guideline
1150
°C
(302
OF)
- Insert the
new
cold bearings in the bearing seats of the heated section of the
engine case.
If
necessary,
use
a suitable
press
drift
from the inside toward the
outside.
Push
all the way to the stop
so
that they are flush.
•
Info
I
When
pressing in, ensure that the section
of
the engine case lies flat in
order prevent damage.
Dnly press in the bearings
by
way
of
the outer ring,
as
otherwise the bear-
ings will
be
damaged when they
are
pressed
in.
- 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.
- Position all bearing retainers. Mount
and
tighten the screws.
Guideline
Locking screw for bearing M5 6
Nm
(4.4
Ibf ft)
- Mount and tighten oil jet
•.
To Next Page
Loading...
Need help?
General
