Disc mower
70
GMD3510-FF
Maintenance and storage
Replace nuts in the following cases (1):
- When nut wear reaches a = 5 mm (0.2’’).
Replace spring plate in the following cases (3):
- When there is visible distortion.
- When you have noticed important wear on a spring
plate:
• Width B of a spring plate, measured at A =
20 mm (0.8’’), must exceed 60 mm (2.4’’).
Knife replacement
Check the condition of the fixing elements
regularly and also the torque of the knife-fixing
bolt:
- Torque: 12 daN m (89 lbf ft).
See section: ’’Spring plate replacement’’.
a
A
B
Before carrying out any maintenance or
repairs on the machine, switch off the tractor
engine, remove ignition key, wait until all
moving parts have come to a standstill and
apply park brake.
Replace immediately all worn or distorted
knives.
Never straighten a bent knife.
Always replace both knives per disc.
