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17
ENGINE
17.4.7
Installing the crankshaft bearing inner race
17.4.8
Changing the connecting rod, conrod bearing, and crank pin
Main work
-
Fix the crankshaft in the vise.
•
Info
I
Use soft jaws.
-
Slide on compensating disk
Info
•
I
The compensating disks have a larger diameter than the crankshaft stub.
306538-10
Ensure that the compensating disks are centered and fixed with a small
amount of grease.
Add compensating disks equally on both sides.
-
Heat the crankshaft bearing inner race in special tool
Guideline
1120 °C (248 °F)
I
Tool for inner bearing race (58429037037)
-
Repeat the operation on the opposite side.
-
Ensure that the new crankshaft bearing inner race is flush.
•
Info
I
After replacing the crankshaft bearings, the crankshaft end play must be
measured.
Finishing work
-
Measure the crankshaft end play.
Main work
-
Position crankshaft
I
Separator plate (77029009001)
-
Push the crank pin out of the upper crankweb using the special tool.
I
Pressing tool for crankshaft, complete (75029047000)
•
Info
I
Hold the lower crank web.
-
Remove the connecting rod.
-
Press the crank pin out of the lower crank web.
-
Press in the new crank pin
✓ Oil hole
X If the oil holes are not correctly aligned, the conrod bearing will not be sup
plied with oil.
-
Check that the oil channel is clear using compressed air.
306571-10
O.
(l!t!J
p. 147)
O
in the press using special tool
(a
p. 228)
fD
as far as possible.
f)
is aligned with oil hole@).
8
and mount together.
(a
p. 225)
8.
(l!t!I
p. 228)
145
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