KUHN GMD350, Operator'S Manual, Page: 73 / 100

Maintenance and storage
Disc mower
GMD350 - 350-FF
71
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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 (1.4’’).
The hole L for the securing bolt must not become oval by
more than 20 mm (0.8’’).
Immediately replace worn or damaged parts with
genuine KUHN parts.
When the following equipment is fitted :
Knife attachment per bolt and nut
Always replace both knives per disc to avoid
creating an out-of-balance force.