Checking The Crankshaft Run-Out At The Bearing Pin - Husqvarna FC 250 2018 Repair Manual

17.4.9

Checking the crankshaft run-out at the bearing pin

@)
-
Position special tool
Insert for crankshaft pressing tool (79029008000)
(0 p. 311)
-
Press in the upper crankweb as far as possible.
Info
The press mandrel must be positioned over the crank
pin.
-
Take the crankshaft out of the special tool and check that the
connecting rod can move freely.
(!)
-
Measure axial play between the connecting rod and the
crankwebs using the special tool.
I
Feeler gauge (590290411 00)
Connecting rod - axial play
of lower conrod bearing
If the measured value is less than the specification:
-
Correct it so the dimension is equal to the specified
value.
Finishing work
-
Check 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
If the crankshaft run-out at the bearing pin is larger than
the specification:
-
Align the crankshaft.
with the heel pointing down.
(0 p. 307)
0.20 ... 0.45 mm (0.0079 ...
0.0177 in)
(0 p. 203)
:S 0.03 mm (:S 0.0012 in)
ENGINE 17
...
203