128 FS 240 C, FS 260 C, FS 360 C, FS 410 C, FS 460 C-M
: Heat the gearbox (1) in the 
location of the bearings on the 
drive end (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.
2
5904RA534 TG
1
: Insert and tighten down the stud 
(1)
Checking operation
: Turn output shaft (1); the inner 
serration of the drive 
pinion (arrow) must also turn 
– Gearbox must turn easily
– Install gearbox, b 12.5.1
1
5904RA535 TG5904RA536 TG
1