Maintenance and repairs
78
12.8 Replacing
hollow
discs
WARNING
Risk of injury from worn hollow discs and coulter discs
Worn and abraded hollow discs and coulter discs may have sharp
edges which can cause cut injuries to the hands.
Take care when handling worn and abraded hollow discs and
coulter discs.
Always wear suitable gloves and appropriate protective cloth-
ing.
Dispose of old discs, bolts and nuts correctly in accordance with
the applicable waste disposal regulations.
Dispose of any grease that has been removed and cleaning
cloths in accordance with the applicable waste disposal regula-
tions.
Raise the implement.
Secure the implement so that it does not
sink accidentally.
Carefully clean the hollow disc and bear-
ing flange.
No dirt should get into the bearing area,
which is exposed once the hollow disc has
been removed.
Loosen six self-locking nuts (2).
Unscrew the self-locking nuts completely
and remove the hollow disc (1) from the
bearing flange.
Clean the flange surface of the bearing
flange.
Use new self-locking nuts for the flat
headed bolts and tighten them to 80 to
100 Nm.
2
1
