Checking Crankshaft Run-Out At Bearing Pin; Measuring The Crankshaft End Play - Husqvarna FS 450 2017 Repair Manual

17 ENGINE
17.4.14
17.4.15
198

Checking crankshaft run-out at bearing pin

Measuring the crankshaft end play

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Position the crankshaft on a roller block.
-
Turn the crankshaft slowly.
Check the crankshaft run-out on both bearing pins.
Crankshaft - run-out on
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 dowels.
-
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 axial 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 axial play is too small, remove compen­
sating disks.
If the axial 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)
(0
(0 p. 195)
..
p. 195)
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