MacDon R85 Rotary Disc 16 Foot Self-Propelled Windrower Headers - Manual (Page 170)

TROUBLESHOOTING
8.2 Mechanical
Symptom Problem Solution Section
Bent cutter blade Replace blade.
Replacing the Cutter
Blades, page 132
Conditioner roll timing off
Check roll timing and
adjust if necessary.
6.4 Roll Timing, page 71 Excessive noise
Conditioner roll gap too
small Check gap and adjust if
necessary.
Increase roll gap.
6.2 Roll Gap, page 67
Conditioner rolls
contacting each other
Check roll timing. 6.4 Roll Timing, page 71
Auger center support
loose
Tighten bolts on support.
6.12.1 Adjusting the
Overshot Auger, page 90
Excessive vibration or
noise in header
Mud deposits on
conditioner rolls
Clean rolls. –
Excessive heat in
cutterbar Too much lubricant in
cutterbar Drain lubricant and refill
with specified amount. 7.5.8 Lubricating the
Cutterbar, page 121
Mud on cutterbar
Remove mud from
cutterbar. Do not allow
mud to dry on cutterbar.
–
Spindle bearing failure Replace spindle bearing. See MacDon Dealer.
Material wrapped around
spindle Remove disc and remove
material. 7.6 Cutterbar Disc
Maintenance, page 126
Cutting too low in rocky
field conditions Decrease header angle.
Increase float.
6.6 Header Angle, page
78
and 6.1 Header Float,
page 65
Ground speed too high
in rocky field conditions.
At High ground speed,
header tends to dig rocks
from ground instead of
floating over them
Reduce ground speed.
6.8 Ground Speed, page
81
Blade incorrectly mounted
Check all blade mounting
hardware ensuring blades
are free to move.
Inspecting Cutter Blades,
page 130
Frequent blade damage
Header float set too heavy Increase float.
Machine pulling to one
side
Header dragging to one
end and pulling to that
side
Adjust header float on
both ends.
6.1 Header Float, page 65
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Rev. F