10. - Maintenance and storage
GMD24-GMD28 / HD
71
KN226BGB_A
Disc mower
Knives
- Inspect systematically all knives before the
machine is operated to:
• ensure the cutting quality.
• ensure safety in use.
• Prevent cutterbar damage risks.
- Replace knives in the following cases:
• Damaged knives: Very rough conditions can
cause knives to crack and become deformed.
• Worn knives:
The length C of a knife must exceed 65 mm (2.6’’).
The width B of a knife, measured at A = 10 mm
(0.4’’) of the disk, must exceed 34 mm (1.34’’).
Elongation of hole due to wear:
- Check that there is still a minimum value L
equalling 9 mm (0.35’’).
- Always replace both knives per disc to avoid
creating an out-of-balance force.
GMD 24:
GMD 28:
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