Stihl FS 240 Service Manual page 127

3 4
2
: Fit thrust washer (1) onto ring (2)
so that it extends over the narrow
collar (3) and engages the
hole (arrow) in the locking pin (4)
3
1
: Push the ring (1) with the thrust
washer (2) over the drive
shaft (3) so that the locking pin
engages the hole in the gear
housing
: Tighten the nut (4)
– Left-hand thread
– Heat gearbox in the area of the
bearing seats on the output end
to 120 °C (250 °F)
: Once this temperature is
reached, turn the washer (4)
counterclockwise until the output
side pinion set is pulled out of the
bearing seat
126
– Withdraw the puller with the drive
side pinion set from the gearbox,
unscrew the nut and remove the
puller
– Check gearbox, clean and
replace if necessary
1
2
4
Always use new ball bearings.
2
: Pull ball bearing (1) off of the
drive shaft (2)
Always use new ball bearings.
: Position ball bearing (1) on the
outer race of the bearing (arrow)
and use a suitable tool to press
out the drive shaft (2)
: Remove washer (3)
– Clean and examine all parts,
replace set of pinions if
necessary
– Fit new ball bearings if the set of
If a pinion is damaged, the complete
set of pinions (drive pinion and
output pinion) must be replaced.
Assembly
1
: Using a suitable tool on the inner
: Slide on spacer sleeve (3) and
1
1
3 2
: Fit the circlip (1)
FS 240 C, FS 260 C, FS 360 C, FS 410 C, FS 460 C-M
pinions is in good condition
3
1 2
1
race, press the new ball bearing
(1) onto the stub of the drive
pinion (2) as far as it will go
press the second ball bearing (1)
on the inner race home as far as
it will go