Husqvarna 122C Workshop Manual page 49

Crankshaft and crankcase
Dismantle the ball-bearings from the
crankcase halves.
Knock the crankcase half against a
wooden block so that the ball-bearing
falls out.
Dismantle the sealing rings from the
crankcase halves.
Inspecting the
crankshaft
The crankshaft cannot be reconditioned
but must be replaced if it is worn or
damaged.
Dismantle the ball-bearings from the
crankcase halves.
Heat the crankcase halves to 110°C
using a hot air gun.
Knock the crankcase half against a
wooden block so that the ball-bearing
falls out.
Dismantle the sealing rings from the
crankcase halves.
Use a suitable punch or sleeve and
knock out the sealing rings with the help
of a hammer. Do this while the crank-
case half is still warm if possible.
Now clean the crankcase halves and
crankshaft.
Inspecting the
crankshaft
The crankshaft cannot be reconditioned
but must be replaced if it is worn or
damaged.
Inspect the large end of the connecting
rod. If seizure marks, discolouration on
the sides or damaged needle holders
are found the crankshaft must be repla-
ced.
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