Installing Cutter Blades - MacDon R113 Operator's Manual

4. Rotate disc (A) so that blade (B) faces forward and
lines up with hole (C) in rock guard.
5. Place a pin (or equivalent) in the front hole of the
rock guard to prevent disc rotation while loosening
blade bolts.
6. Clean debris from blade attachment area.
7. Remove nut (A) and discard.
IMPORTANT:
Nuts are one-time-use only. When flipping or
changing a blade, replace using a new nut only.
8. Remove shoulder bolt (B) and blade (C).

Installing Cutter Blades

CAUTION
Cutter blades have two cutting edges. Exercise caution when working around the blades. Blades are sharp
and can cause serious injury. Wear gloves when handling blades.
IMPORTANT:
If you are unsure which direction the spindles rotate, refer to
169820
MAINTENANCE AND SERVICING
4.5.3 Cutterbar Spindles, page
157
Figure 4.71: Cutter Blade Aligned with Hole in
Rock Guard
Figure 4.72: Nut, Shoulder Bolt, and
Cutter Blade
143.
Revision A