KUHN HR 4004 D, Operator'S Manual

Page: 71 / 100

Maintenance and storage
Power harrows
HR4004D - 4504D
69
2. Cleaning the machine
- Regularly check side deflectors.
- Regularly clean roller and roller scraper bar:
In case of clogging, pivot scraper crossbar:
Packer PK2 roller: (a)
• Unscrew the 5 nuts (1).
• Remove the 3 tensioning devices (2).
• Slide lever in sleeves (3).
• Pivot scraper bar using lever.
• Clean and reassemble the unit.
Tightening torque: (1) 22 daN m (162 lbf ft).
Regularly check that there are no foreign
objects wrapped around the blade
holder(twine, wire, crop residues,...). To
prevent premature bearing housing wear,
remove foreign bodies wrapped around
them.