30/ENGINE - WORK ON INDIVIDUAL PARTS
118
19.1
Working on the right section of the engine case
301699-10
–
Remove all dowels.
–
Remove shaft seal ring
of the crankshaft.
–
Remove the screws of bearing bolt
.
–
Take off bearing bolt
with the lock washer.
–
Remove jet
.
–
Remove oil jet
for conrod bearing lubrication.
–
Remove oil jet
for piston cooling.
–
Remove screws
. Remove the bearing retainers.
–
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
150 °C (302 °F)
–
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
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
When pressing in, ensure that the section of the engine case lies flat in
order to prevent damage.
Only 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
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 with the open side facing out so it is
flush.
–
Position bearing bolt
with the lock washer.
–
Mount and tighten the screws of bearing bolt
.
Guideline
Screw, bearing bolt of oil
pump idler shaft
M5
6 Nm
(4.4 lbf ft)
Loctite
®
243™
–
Mount and tighten jet
.
Guideline
Jet, engine case breather
M4
On block
Loctite
®
243™
–
Mount and tighten oil jet
for conrod lubrication.
Guideline
Oil jet for conrod lubrica-
tion
M4
4 Nm
(3 lbf ft)
Loctite
®
243™
–
Mount and tighten oil jet
for piston cooling.
Guideline
Oil jet, piston cooling
M4
4 Nm
(3 lbf ft)
Loctite
®
243™
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