Cutterbar hardware inspection, Warning – MacDon R85 Rotary Disc 16 Foot Pull-Type User Manual
Page 176
7. Remove nut (A).
8. Remove shoulder bolt (B) and blade (C).
9. Install new or reversed blade (C) with shoulder bolt (B)
onto disc.
NOTE: Ensure shoulder bolt is fully engaged into
blade before tightening nut.
10. Install nut (A). Tighten nut to 100 ft·lbf (135 N·m).
11. Remove block of wood (if used).
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.
12. Close doors.
Figure 8.45
Cutterbar Hardware Inspection
Check blade attachment hardware each time blades are replaced. Refer to section
for replacement procedure.
Check bolts for wear or damage and replace bolt if:
• Bolt has been removed and installed five times.
• Head is worn flush with bearing surface of blade.
• Diameter of bolt neck is worn out of specification.
• Bolt is cracked.
• Bolt is visibly distorted.
• Evidence of interference with adjacent parts.
Check nuts for wear or damage and replace nut if:
• Worn height is less than half total height.
• Nut is cracked.
• Nut has been removed and installed five times.
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Rev. D