MacDon R85 Rotary Disc 16 Foot Self-Propelled Windrower Headers - Manual (Page 134)

MAINTENANCE AND SERVICING
7.6 Cutterbar Disc Maintenance
Check daily that discs are not damaged by rocks or worn excessively from abrasive working conditions.
They are interchangeable and a disc can be moved to a spindle that rotates in the opposite direction, as long as it
is in a usable condition and the blades are oriented to cut in the correct direction.
The discs are NOT repairable and must be replaced if severely damaged or worn.
IMPORTANT
If holes appear in a disc, replace the disc immediately. Do NOT attempt to repair the discs. Always use
factory replacement parts.
7.6.1 Inspecting the Cutterbar Discs
Perform the following cutterbar disc inspection daily:
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 Section 5.5 Cutterbar
Doors, page 31 .
Figure 7.22
169457
126
Rev. F