KUHN HR303D, Operator'S Manual

Page: 44 / 96

Power harrows
42
HR303D/M
Putting into service
Adjusting the roller scrapers
Standard plate
The scraper plates are factory preset on a reference
roller.
When the machine is attached, check that the roller can
rotate freely.
Adjusting the plates:
- Loosen plate attachment nut.
- Adjust plate to bring it closer to the roller but without
touching it. Check that they do not contact by giving
one turn to the roller.
- Tigthen nut:
• Torque: 8 daN m (59 lbf ft).
- Make sure the plates are well centred with regards to
the stud rows.
- The oblong holes in the scraper plate supports enable
crosswise adjustement if necessary:
• Torque: 10 daN m (67 lbf ft).
The scraper bar is factory fitted with:
- Packer PK2 roller:
• Non coated plates (Part no. 52532130).
- Maxipacker roller:
• Hard coated plates (Part no. 52593410).
- Packliner roller:
• Hard coated plates (Part no. K2501310).
The Packer PK2 roller can be fitted with hard
coated plates (Part no. 52560010).
Respect the scraper plate mounting direction:
Ensure that the scraper hard coating is towards
the front and downwards.