Maintenance – supply system
692
24.4 Re-adjusting or changing the cutting blades
Risk of injury from sharp cutting blades!
When performing maintenance work on the cutting drum, there is a risk of the operators being
injured by the sharp cutting blades.
• When working on the cutting drum, work particularly carefully and prudently.
• Always wear work gloves when working on the cutting drum.
• Turn the cutting drum clockwise on the belt pulley only and, when the correct position is
reached, lock with the locking bolt.
Prerequisites:
– The feed attachment is removed, see page 657.
– The machine is shut down and secured, see page 41.
Abb. 637
Worn cutting blades may result in an unsatisfactory chop quality. To keep wear as low as
possible, the cutting blades must be ground correctly and regularly and the distance between
the counterblade and the cutting blades (cutting gap) must be adjusted correctly and regularly,
see chapter Maintenance-Supply system, "Grinding cutting blades".
The cutting blades must be replaced if they can no longer be re-adjusted and the coating (a)
under the cutting blade is worn. In the original state the coating "a"=19 mm.
The cutting drum operates particularly efficiently if the maximum cutting radius and conveying
space can be used. Therefore the cutting blades should be re-adjusted if
dimension "a"<10-12 mm.
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