Installing Discblades - 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 Discblades

CAUTION
Discblades have two sharp cutting edges that can cause serious injury. Exercise caution and wear gloves
when working with blades.
IMPORTANT:
If you are unsure which direction the spindles rotate, refer to
214077
MAINTENANCE AND SERVICING
Figure 4.50: Discblade Aligned with Hole in
Rock Guard
Figure 4.51: Nut, Shoulder Bolt, and Discblade
4.5.3 Cutterbar Crop Stream Configuration, page
130
B
A
C
A
C
B
Revision A
124.