17 ENGINE
17.4.8
17.4.9
190
Checking the crankshaft run-out at the bearing pin
- Position the crankshaft on a roller block.
- Turn the crankshaft slowly.
- Check the crankshaft run-out on both bearing pins.
Crankshaft - run-out at
bearing pin
� 0.03 mm (� 0.0012 in)
If the crankshaft run-out at the bearing pin is larger than
the specification:
- Align the crankshaft.
Installing the crankshaft bearing inner race
Main work
311614-10
311613-11
- Fix the crankshaft in the vise.
Info
Use soft jaws.
- Slide on compensating disk
0-
Info
The compensating disks have a larger diameter than
the crankshaft stub.
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
8
and
mount together.
Guideline
1120 °C (248 °F)
I Puller (58429037037) (
a
p. 287)
- Repeat the operation on the opposite side.
- Ensure that the new crankshaft bearing inner race is flush.
Info
After replacing the crankshaft bearings, the crankshaft
end play must be measured.
Finishing work
- Measure the crankshaft end play. (
0
p. 191)
..
