MacDon R85 Rotary Disc 13 Foot - Manual (Page 116)

TROUBLESHOOTING
169454
114
Revision C
8.2 MECHANICAL
SYMPTOM PROBLEM SOLUTION SECTION
Excessive Noises.
Bent cutter blade. Replace blade. 7.5.4.2
Conditioner roll timing off.
Check roll timing, and adjust
if necessary.
6.12.4
Bent rotary deflector. Replace deflector. 7.5.6
Conditioner roll gap too small.
Check gap, and adjust if
necessary.
6.12.2
Excessive Vibration Or Noise
In Header.
Conditioner rolls contacting each
other.
Increase roll gap.
Check roll timing. 6.12.4
Mud deposits on conditioner
rolls.
Clean rolls. ---
Excessive Heat In Cutterbar. Too much lubricant in cutterbar.
Drain lubricant, and refill
with specified amount.
7.5.1
Frequent Blade Damage.
Mud on cutterbar.
Remove mud from cutterbar.
Do NOT allow mud to dry on
cutterbar.
6.15
Spindle bearing failure. Replace spindle bearing.
See
MacDon
Dealer.
Material wrapped around
spindle. Remove disc, and remove
material.
7.5.3.1
Cutting too low in rocky field
conditions. Decrease header angle.
Increase float. 6.12.6 &
6.12.1
Header float set too heavy. Increase float. 6.12.1
Ground speed too high in rocky
field conditions.
Note: high ground speed tends
to dig rocks from ground instead
of floating over them.
Reduce ground speed.
Tractor
Operator’s
Manual
Blade incorrectly mounted.
Check all blade mounting
hardware to ensure blades
are free to move.
7.5.4.3
Excessive Wear Of Cutting
Components.
Header angle too steep. Reduce header angle. 6.12.6
Crop residue and dirt deposits
on cutterbar.
Clean cutterbar.
6.15
Mud on cutterbar.
Remove mud from cutterbar.
Do NOT allow mud to dry on
cutterbar.
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