123FS 240 C, FS 260 C, FS 360 C, FS 410 C, FS 460 C-M
– Coat serrations of the spur bevel
gear with STIHL gear lubricant,
b 14
: Heat the gearbox (1) on the
output end (arrow) to approx.
120 °C (250 °F)
: Position set of pinions so that the
spur bevel gear (2) faces the gear
housing
: Push set of pinions into the gear
housing (1) as far as they will go
The set of pinions must be fitted
rapidly, as the ball bearing absorbs
heat and expands.
: Fit the circlip (1)
1
2
5904RA511 TG
1
5904RA512 TG
– Coat serrations of the drive pinion
with STIHL gear lubricant, b 14
: Heat the gearbox (1) on the drive
end in the area of the bearing
seats (arrows) to approx.
120 °C (250 °F)
: Position drive pinion (2) so that
the bevel gearing faces the gear
housing
: Press in the drive pinion (2) as far
as it will go
– If necessary, turn the output shaft
until the drive pinion engages the
output shaft
The drive pinion must be inserted
quickly, as it absorbs heat and
begins to expand.
: Fit the circlip (1)
2
5904RA513 TG
1
1
5904RA514 TG
: Remove the screw plug (1)
– STIHL gear lubricant should be
pressed into the hole, b 14
– Use specified quantity of
lubricant, b 2.4
: Insert and tighten down the screw
plug (1)
Checking operation
: Turn output shaft (1); the square
profile of the drive pinion (arrow)
must also turn
– Gearbox must turn easily
– Install gearbox, b 12.4.1
1
5904RA515 TG
1
5904RA516 TG
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