KUHN GMD33 N, Руководство оператора

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Maintenance and storage
Disc mower
GMD33N
53
Securing elements
- Check the securing elements:
• After hitting an obstacle.
• When replacing knives.
• At the beginning of each season.
- 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 shoulder is less than
15 mm (0.6’’).
• After having been removed 5 times.
- Replace nuts in the following cases:
• When the contact washer has lost its elasticity.
• When the contact washer loosens itself from the nut.
• When nut wear reaches a = 5 mm (0.2’’).
• After having been removed 5 times.
-
Check the condition of the securing elements
regularly and also the torque of the knife-fixing
bolt:
7.5 daN m (55 lbf ft).
D
a