9960 Self-Propelled Peanut Combine Performance
MAN091 06/03/05 129
PROBLEM CAUSE CORRECTION
Elevator fan does not deliver
peanuts to the bin.
Elevator fan set too low. Increase setting.
Combine engine not at or near
design speed.
Adjust and monitor
tachometer.
Ground speed too fast for
conditions.
Reduce speed.
Obstruction in pneumatic
conveyor duct.
Disassemble duct and remove
obstruction.
Main drive, cleaning air, or
elevator fans belts are
slipping.
Tighten belts and check the
elevator fan belt and V sheave
for wear.
Stones or dirt clods in air duct.
Shut off combine, open
cleaning door and remove
stones or clods.
Animals have built nests in
high pressure section of
pneumatic conveyor system.
Remove inspection door in
auger and remove nest.
Dirt built up on inside of duct. Inspect and clean.
Combine separator load
excessive.
Combine separator not at or
near design speed.
Adjust and monitor cylinder
speed indicator.
Ground speed too fast for
conditions.
Reduce ground speed.
Picking chamber jammed.
Stop, shut off engine, and
remove excess material.
Hay is torn up excessively
under dry conditions.
Adjustable breast spring bars
set too aggressively.
Disengage breast spring bars
in 1” increments between
checks.
Combine is being operated
above ideal speed level.
Engage 10% speed reduction.
Switch dual speed picking
cylinder drives to low speed
sprocket set.
Combine picking chamber not
fully loaded.
Increase ground speed
slightly.
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