Maintenance – supply system
707
Adjusting the cutting blades
Fig. 659
• Set the new blades (2) evenly to the counterblade (3).
• Check the dimension on both sides by using a feeler gauge (4) (nominal dimension
0.1 mm).
• Tighten all screws (1) from the inside to the outside (tightening torque 270 Nm).
• Insert the second blade pair in the same way.
• Loosen the locking of the cutting drum, turn the cutting drum one row of blades further and
lock it in place again.
• Continue in this manner until all rows of blades of the chopping drum are changed.
• Loosen the locking of the chopping drum.
– Check if the chopping drum can be turned easily and make certain that the blades do
not touch anything (e.g. counterblade, drum base).
Readjust blades, if necessary.
• Adjust the grinding stone so that there is a distance of 0.5 mm between blade back and
grinding stone.
• Fit intake housing.
• Grind cutting blades.
• Readjust the counterblade so that no contact noise can be heard.
24.5 Working with half the number of cutting blades
The speed of the intake and the number of cutting blades determine the cutting length.
If the adjustable cutting length range is inadequate and the chopping length is still too short, the
number of cutting blades can be reduced to half.
• Remove every second blade from both sides of the chopping drum.
• To protect the blade carrier, mount the dummy blades (accessories) provided chopping
drums with 20, 28, 36 blades, see page 694, chopping drums with 40, 48 blades, see page
701Re-adjusting or changing chopping blades on chopping drums with 40, 48 blades.
• In the info centre, set the corresponding number of blades, see page 188.
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