Stihl GS 461

35GS 461
Installation
– Heat the area around the bearing
seat to
approx. 160 °C (320 °F)
– Position ball bearing so that the
open side (balls visible) faces the
inside of the crankcase
: Press the ball bearing home as
far as possible
The ball bearing must be fitted
rapidly, as it absorbs heat and
expands.
– Check that the ball bearing is
seated properly, if necessary, use
press arbor
1120 893 7200 to press the ball
bearing fully home
Clutch-side half of the crankcase
The oil seal is seated in the ball
bearing and does not need to be
removed separately.
– Examine and clean the
crankcase half, replace if
necessary
3443RA124 TG
3443RA125 TG
– Replace the ball bearings if the
crankcase half is in good
condition.
– Heat the area around the bearing
seat to
approx. 160 °C (320 °F)
The bearing drops out of its own
accord when this temperature is
reached.
Installation
Because the clutch-side half of the
crankcase does not have a fixed
bearing seat, the flange must be
fitted first – the flange acts as a stop
– Fit flange without installed oil
seal, b 5.3.1
– Heat the area around the bearing
seat to
approx. 160 °C (320 °F)
– Position ball bearing so that the
centering ring (arrow) points
towards the flange
: Press ball bearing fully
home (flange)
The ball bearing must be fitted
rapidly, as it absorbs heat and
expands.
– Check that the ball bearing is
seated properly, if necessary, use
press arbor
1118 893 7200 carefully press in
the ball bearing until it rests
against the flange
3443RA127 TG
– Remove flange, b 5.3.1
– Install crankshaft, b 5.6
– Install oil seals,
b 5.3
– Fit flange with new oil seal,
b 5.3.1
– Reassemble remaining parts in
reverse order
5.7 Piston
Before removing the cylinder,
decide whether the crankshaft is to
be removed, b 5.6
– Remove cylinder, b 5.5
The clutch-side snap ring does not
need to be removed.
: Prise the hookless snap ring on
the ignition side out at the recess
(arrow)
3443RA128 TG