Troubleshooting 9980 Self-Propelled Peanut Combine
Performance Troubleshooting
PROBLEM CAUSE CORRECTION
Good peanuts attached to
vines are being discharged
from the combine.
Picking control board open too
much.
Close in 1” increments
between checks.
Variable cylinder speed too
low.
Increase variable cylinder
speed.
Main drive belt slips under
surge loads.
Tighten belt and slow down
ground speed.
Ground speed too fast for
conditions.
Reduce speed.
Moisture level in windrows is
too high.
Lift windrows and/or wait for
moisture to dissipate.
Adjustable breast spring bars
not engaged enough.
Engage breast spring bars
slightly (in 1” increments).
Combine engine speed too
slow.
Disengage 10% speed
reduction switch.
Combine picking cylinders too
slow.
Drive chains need to be on
higher speed sprockets.
Loose peanuts being
discharged over rear
separator cylinders.
Combine separator not at or
near design speed.
Adjust speed and monitor
combine tachometer.
Ground speed too high for
conditions.
Reduce speed.
Lightweight foreign material in
bin.
Cleaning air control set too
low.
Adjust to a higher setting.
Combine separator not at or
near design speed.
Adjust and monitor combine
tachometer.
Main drive belt slips under
surge loads.
Tighten belt and reduce
ground speed.
Moisture level in windrows too
high.
Lift windrows and/or wait for
moisture to dissipate.
Separator section drive, or
cleaning air drive belts are
slipping.
Tighten belts.
340 09/08/15 MAN141
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