Stihl MS 441 Manual page 54

Crankcase half on ignition side
: Carefully drive out oil seal with
a suitable punch.
: Examine and clean crankcase
half, replace if necessary.
Replace the ball bearing if the
crankcase half is OK.
1
– Heat area around bearing seat to
approx. 150 °C (300 °F).
The bearing (1) drops out of its own
accord when the required
temperature is reached.
MS 441, MS 441 C
– Heat area around bearing seat to
approx. 150 °C (300 °F).
– Position ball bearing so that the
open side (balls visible) faces the
outside of the crankcase.
: Press ball bearing fully home.
The ball bearing must be fitted
quickly as it absorbs heat and
expands.
Crankcase half on clutch side
: Carefully drive out oil seal with
a suitable punch.
: Examine and clean crankcase
half, replace if necessary.
Replace the ball bearing if the
crankcase half is OK.
1
– Heat area around bearing seat to
approx. 150 °C (300 °F).
The bearing (1) drops out of its own
accord when the required
temperature is reached.
53