GMD240 - 280 - 310
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10. - Maintenance and storage
KN204BGB_G
Disc mower
- The fixing bolts should be changed in the following
cases :
• When there is visible distortion.
• When the locking compound is worn or
inoperational.
• When the bolt head wear reaches the center line
of the bolt.
• When diameter D of the bolt's body is below 11
mm (0.43’’).
See section: Maintenance and storage /
Maintenance / Disc replacement.
- Slightly hit all ground residues between the
knife and the screw with a mallet to remove
them.
- The radial play between a worn bolt and a new
knife must not exceed d = 10 mm (0.4’’).
- Replace nuts in the following cases:
• When the nut wear reaches a = 5 mm (0.2’’).
- Check the condition of the securing elements
regularly and also the torque of the knife-fixing
bolt:
• Torque: Torque: 12.3 daNm (91 lbf ft).
a
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