122 FS 240 C, FS 260 C, FS 360 C, FS 410 C, FS 460 C-M
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)
Always use new ball bearings.
: Pull ball bearing (1) off of the
drive shaft (2)
: Pull spur bevel gear (1) off of the
drive shaft (2)
– Clean and examine all parts,
replace set of pinions if
necessary
1
5904RA504 TG
2
1
5904RA505 TG
2
1
5904RA506 TG
2
– Fit new ball bearings if the set of
pinions is in good condition
If a pinion is damaged, the complete
set of pinions (drive pinion and
output pinion) must be replaced.
Assembly
: Using a suitable tool on the inner
race, press the new ball bearing
(1) onto the stub of the drive
pinion (3) as far as it will go
: Position the new ball bearing (2)
so that the closed side faces
outward, using a suitable tool on
the inner race, press it onto the
stub of the drive pinion (3) as far
as it will go
: Fit the circlip (1)
2
5904RA507 TG
1
3
5404RA508 TG
1
: Using a suitable tool on the inner
race, press the new ball bearing
(1) onto the long stub of the drive
shaft (2) as far as it will go
– Sparingly lubricate the serrations
and collar on the short stub of the
drive shaft with STIHL gear
lubricant, b 14
: Orient spur bevel gear (1) so that
the serrations (arrow) face the
drive shaft and slide it onto the
short stub of the output shaft (2)
: Press the new ball bearing (3) on
as far as possible
1
5904RA509 TG
2
3
5904RA510 TG
1
2
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