Disc mower
74
GMD240-280-310
Maintenance and storage
KN204AGB H
Inspection of knives and securing elements
Knives
- Inspect systematically all knives before the machine is
operated to:
• guarantee the cutting quality.
• guarantee 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.
Knife length C must exceed 65 mm (2.6’’).
Knife width B, measured at a distance A of 10 mm (0.4’’)
from the disc edge must exceed 34 mm (1.34’’).
Elongation of hole due to wear:
- Verify that distance L from edge of hole to edge of
knife is not less than 9 mm (0.35’’).
- Always replace both knives per disc to avoid creating
an out-of-balance force.
- Immediately replace worn or damaged
parts with genuine KUHN parts.
When the following equipment is fitted:
Knife attachment per bolt and nut
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