18.4.9
Checking the crankshaft run-out at the bearing pin
18.4.10
Measuring the crankshaft end play
-
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
If the crankshaft run-out at the bearing pin is larger than
the specification:
-
Align the crankshaft.
-
Insert the crankshaft into the right section of the engine case.
Info
•
I
Do not forget the fitted bushings.
-
Mount the left section of the engine case.
-
Mount and tighten the screws.
Guideline
I
I
Screw, engine case
-
Mount the dial gauge support on the engine case and mea
sure and note down the crankshaft end play.
Guideline
Crankshaft - axial play
If the measured value does not meet specifications:
-
Remove the crankshaft.
-
Remove the crankshaft bearing inner race.
-
Calculate the thickness of the compensating disks.
-
Add or remove compensating disks equally on both
sides.
Info
If the end play is too small, remove compen
sating disks.
If the end play is too large, add compensating
disks.
-
Install the crankshaft bearing inner race.
� 0.03 mm (� 0.0012 in)
M6
110 Nm (7.4 lbf ft)
0.50 ... 0.60 mm (0.0197 ...
0.0236 in)
(!.;!
(�
p. 203)
18 ENGINE
p. 202)
205