MacDon R113, Operator'S Manual

Page: 152 / 276

MAINTENANCE AND SERVICING
1. Place a pin (or equivalent) in the front hole of the rock
guard (D) to prevent disc rotation while tightening bolts.
2. Position new disc (A) on spindle ensuring that
it is positioned at a 90° angle in relation to the
adjacent discs.
3. Install cutter disc cap (B) and secure assembly with
four M12 bolts and washers (C). Torque bolts to 63 ft · lbf
(85 N · m).
Figure 4.42: Cutterbar Disc and Cap
WARNING
Ensure cutterbar is completely clear of foreign
objects.
Foreign objects can be ejected with
considerable force when the machine is started and
may result in serious injury or machine damage.
4. Remove pin (or equivalent) from front hole of
rock guard.
5. Close cutterbar doors (refer to
3.4.2 Closing Cutterbar
Doors, page 38
).
Figure 4.43: Cutterbar Doors in Closed Position
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Revision A