Stihl GS 461 Manual page 33

– Heat the inner race of the ball
bearing to approx. 160 °C
(320 °F)
: Align the crankshaft with the
conical stub (arrow) facing the
ignition-side ball bearing and
push it as far as it will go.
The crankshaft must be fitted
rapidly, as the heat is transmitted to
the crankshaft stub and the inner
bearing race contracts.
1
If the inner race cannot be heated,
the crankshaft can be drawn into the
crankcase with the assembly tool
5910 007 2201 – use washer
5910 893 2101.
: Screw the threaded sleeve (1)
5910 893 2420 onto the
completely screwed in spindle as
far as it will go
Coat the conical crankshaft stub
with oil.
32
– Align the crankshaft with the
conical stub facing the ignition-
side ball bearing and push it
home.
2
1
: Fit the screw sleeve (2) over the
thread of the conical crankshaft
stub (1) and screw it on
2
2
: By turning the spindle (1),
position washer 5910 893 2101
against the ignition-side half of
the crankcase and orient it so that
the edge number "28" is at the
bottom
: Insert M5x72 screws (2) through
the holes marked "28"
– anti-twist device
: Turn the spindle (1) clockwise
– Draw the ignition-side half of the
crankcase in as far as possible
The crankshaft also turns when it is
drawn in with the installing tool. For
this reason, ensure that the rod
eye (3) always faces upwards
towards the cylinder.
– Remove the assembly tool
1
1
: Screw two screws (1) M5x72 into
the holes on the ignition side – for
guidance and to prevent twisting
3
: Fit new gasket (2) and secure it
at the guide sleeves
2
– Coat the cylindrical crankshaft
1
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.
2
GS 461