Maintenance – supply system
704
24.4.3.2 Changing Cutting Blades
Damage to the machine due to installation of dirty components!
If dirty cutting blades and screw-on strips are installed, there is a risk of the cutting blades
becoming detached from the blade drum and damaging components of the machine.
• Clean all parts before installing them.
Damage to the machine due to screwing in defective screws!
If the old fastening bolts are screwed in after changing the cutting blades, there is a risk that
these bolts may be damaged and fail during operation, possibly damaging the machine.
• Whenever blades are changed, use new screws to attach the cutting blades.
Risk of injury due to sharp parts!
There is a danger of injury when working on the chopping drum as the edges of the screw-on
strips are very sharp.
• Always wear safety gloves when working in the area of the screw-on strips.
Fig. 655
NOTE
To avoid imbalances of the chopping drum:
• The chopping blades and screw-on strips must always be replaced in pairs.
Replace both blades and both screw-on strips each which are located on the chopping
drum offset by 180°
(e.g. blade 1 and blade 6 in case of a chopping drum with 20 blades,
Blade 1 and blade 8 in case of a chopping drum with 28 blades,
Blade 1 and blade 10 in case of a chopping drum with 36 blades).
The blades and screw-on strips which form a pair depend on the total number of
blades.
• Mount a set of dismounted screw-on strips in the same order as before disassembly on
the chopping drum again.
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