10. - Maintenance and storage
GMD16-GMD20
79
KN225BGB_A
Disc mower
- Replace nuts in the following cases:
• When the contact washer has lost its elasticity.
• When the contact washer loosens itself from the
nut.
• When the nut wear reaches a = 5 mm (0.2’’).
10.3.6 Knife replacement
- Clean the nut case.
- Place a wooden wedge between two discs to stop
them from rotating.
- Loosen nut using box spanner supplied with the
machine.
- Remove bolt through opening located at the front
of the disc guard.
Check the condition of the securing elements
regularly and also the torque of the knife-fixing
bolt:
• Torque: 12 daNm (89 lbf ft).
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.
To Next Page
Loading...
