9
FS 240 C, FS 260 C, FS 360 C, FS 410 C, FS 460 C-M
3.2
Gearbox
Problem
Cause
Remedy
Loud noises
Ball bearings damaged or worn
Replace ball bearings on the drive
side and non-drive side
Pinion damaged or worn
Replace set of pinions on the drive
side and non-drive side
Too little or no gear lubricant in
gearbox
Gearbox drive tube assembly
25.4 mm:
Add gear lubricant
Gearbox drive tube assembly
28 mm:
Remove drive pinion and add gear
lubricant
Gearbox becomes too hot
Excessive friction due to damaged
or worn ball bearings
Replace ball bearings on the drive
side and non-drive side
Too little or no gear lubricant in
gearbox
Gearbox drive tube assembly
25.4 mm:
Add gear lubricant
Gearbox drive tube assembly
28 mm:
Remove drive pinion and add gear
lubricant
Gearbox runs rough and stops
running under load
Drive shaft does not fully engage
drive pinion
Push gearbox onto drive tube
assembly until the drive shaft fully
engages the drive pinion
Square profile or serration in the
drive train is damaged or worn
Check drive pinion, drive shaft and
clutch drum, replace if necessary
Clutch worn
Check clutch and clutch drum,
replace if necessary
Gearbox frozen
Locking pin for changing tools not
removed
Remove locking pin
Damaged or worn ball bearings
jammed
Replace ball bearings on the drive
and non-drive sides, also check
bearing seats in the gear housing,
replace gear housing if necessary
Serration damaged or broken –
fragments jammed
Replace set of pinions on the drive
side and non-drive side