Disc mower
78
GMD240-280-310
Maintenance and storage
KN204AGB H
Disc replacement
- Place a wooden wedge (2) between two discs to stop
them from moving.
- Remove 2 bolts (1) and their spring washers using the
box spanner supplied with the machine.
- Remove the disc conical cover.
- Remove the 2 other nipple-screws and their spring
washers.
- Remove the disc.
When remounting:
- Position their largest diameters at right angles to each
other.
- Position conical centre of spring washer at the top.
- Tighten screws:
• Torque: 12.3 daN m (91 lbf ft).
Knife attachment per bolt and nut:
• Discs (Standard): Part no. 56812600
• "HD" discs: Part no. 56810400
- Check if there is still a gap of
1 mm (0.04’’) between the disc lower
part and the cutterbar wear plates.
If this is not the case, fit one (maximum two)
spacer(s) between the disc and the mounting
hub (Part no. 56807100).
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