Disc Spindles; Replacing A Spindle Key - MacDon R85 Operator's Manual

7. Tighten bolts (A) on shield plates (B).
8. Remove block of wood (if used).
9. Manually rotate discs to check for interference of
adjacent parts.
10. Close cutterbar doors. Refer to
page 28.
WARNING
Ensure cutterbar is completely clear of foreign
objects. These objects can be ejected with
considerable force when the machine is started and
may result in serious injury or machine damage.

7.6.7 Disc Spindles

To prevent damaging the cutterbar and drive systems, each disc is attached to a spindle which incorporates a key
that shears if the disc contacts a large stone, a stump, or other large object. In the event of a sheared key, the disc
stops rotating, but remains attached to the spindle.

Replacing a Spindle Key

Follow these steps to replace a spindle key:
DANGER
Stop engine and remove key from ignition before
leaving operator's seat for any reason. A child or
even a pet could engage an idling machine.
1. Lower header to ground, shut off engine, and
remove key.
2. Open cutterbar doors. Refer to
page 28.
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MAINTENANCE AND SERVICING
5.5 Cutterbar Doors,
5.5 Cutterbar Doors,
140
Figure 7.53: Driveline Deflector
Figure 7.54: Cutterbar Doors
Revision F