9980 Self-Propelled Peanut Combine Troubleshooting
Hydrostatic Ground Drive
PROBLEM CAUSE CORRECTION
Ground travel speed erratic. Low oil
Check for leaks and correct.
Fill reservoir.
Plugged filter.
Change hydrostatic charge
filter.
Exceeding maximum
operating pressure setting.
Shift to lower gear or engage
four wheel drive.
Speed control lever creeps
toward neutral.
See your AMADAS/John
Deere dealer.
System unable to keep charge
pressure.
See your AMADAS/John
Deere dealer.
Machine will not stop when
speed range selector is in
neutral position.
Control cable out of
adjustment
Adjust cable for neutral
position.
Lack of power or lost power.
Machine not responding to
speed range selector.
Low on oil.
Check for leaks and correct.
Fill reservoir.
Plugged filter.
Change hydrostatic charge
filter.
Lack of charge flow or charge
pressure.
See your AMADAS/John
Deere dealer.
Dirty fuel filter. Replace fuel filter.
Water in separator bowl.
Drain water from separator
bowl.
Drive system unable to keep
or build up pressure.
See your AMADAS/John
Deere dealer.
MAN141 09/08/15 345
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