Checking The Crankshaft Run-Out At The Bearing Pin - Husqvarna FC 250 2015 Repair Manual

17 ENGINE
17.4.9

Checking the crankshaft run-out at the bearing pin

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Mount new connecting rod
Info
Thoroughly oil bearing
(D
-
Position special tool
Pressing tool for crankshaft, complete (75029047000)
Insert for crankshaft pressing tool (77729008000)
-
Insert the crank web with connecting rod and bearing. Position the second crank
web.
-
Position special tool @ with the heel pointing down.
I
Insert for crankshaft pressing tool (77729008000)
Press in the upper crank web as far as possible.
• Info
I
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.
(9
-
Measure axial play between the connecting rod and the crank webs using the
special tool.
I
Feeler gauge (590290411 00)
Connecting rod - axial play of lower
conrod bearing
If the specification is not reached:
-
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.
I
Crankshaft - run-out at bearing pin
If the crankshaft run-out at the bearing pin is larger than the specification:
-
Align the crankshaft.
8 .
0.
on the press.
(a
(a
(a p. 226)
0.20 ... 0.45 mm (0.0079 ... 0.0177 in)
(il!l p. 146)
I :,;
0.03 mm (:,; 0.0012 in)
146
(l!!ll p. 228)
p. 230)
p. 230)