Operation Manual

44 MS 241 C
The crankshaft also turns when it is
drawn in with the installing tool. For
this reason, ensure that the rod
eye (1) always faces upwards
towards the cylinder.
– Remove the installing tool
: Screw two screws (arrows)
M5x72 into the holes on the
ignition side
– for guidance and to prevent
twisting
24
24
23
23
22
22
24
23
22
2410RA116 TG
1
2410RA117 TG
: Fit a new gasket (1) and secure it
at the guide sleeves (arrows)
– Coat the cylindrical crankshaft
stub with oil
Clutch side half of crankcase
Avoid damage to the crankshaft
stub.
Examine and clean the mating
surfaces of the clutch-side half of
the crankcase (including the
cylinder sealing surface) – the
sealing face must not display any
signs of damage, b 16.
Ensure that the guide
sleeves (arrows) line up with the
holes and that the housing gasket is
not jammed or buckled.
2410RA118 TG
1
2410RA119 TG
– Wear protective gloves
– risk of burns
– Heat only the inner race of the
ball bearing to approx. 150 °C
(300 °F)
– Align the crankcase half with the
cylindrical crankshaft stub and
the two screws and position it
: Push the crankcase home until it
makes contact
The crankcase must be fitted
rapidly, as the heat is transmitted to
the crankshaft stub and the inner
bearing race contracts
If it is not possible to heat the inner
race, the crankcase half is drawn in
with the assembly tool from kit
5910 007 2205.
– Coat the cylindrical crankshaft
stub with oil
– Align the crankcase half with the
cylindrical crankshaft stub and
the two screws and position it
2410RA120 TG