MacDon R85 Rotary Disc 16 Foot Self-Propelled Windrower Headers - Manual (Page 135)

MAINTENANCE AND SERVICING
3. Check discs (A) for damage or loose fasteners.
4. Replace damaged discs. Refer to
• Removing a Disc, page 127
• Installing a Disc, page 128
5. Replace damaged fasteners. Tighten loose fasteners.
6. Close cutterbar doors.
Figure 7.23
7.6.2 Disc
Removing a Disc
CAUTION
Exercise caution when working around the blades.
Blades are sharp and can cause serious injury.
Wear gloves when handling blades.
1. Open cutterbar door(s). See Section 5.5 Cutterbar
Doors, page 31 .
2. Identify which disc needs to be replaced.
3. Place a block of wood between two discs to prevent
disc rotation while loosening bolts.
4. Remove rotary deflector. See
• Removing the Driveline Deflector, page 138
• Removing the Driven Deflector, page 137
5. Remove four bolts (A) on disc cover (B) and remove
cover and disc (C).
NOTE: If removing multiple discs, mark
each discs to assist in reinstallation
as the blades on each disc are
direction-specific.
See Section 7.6.3
Direction of Spindle Rotation, page 129 .
Figure 7.24
169457
127
Rev. F