47
EATON
Heavy-Duty Series 2 Hydrostatic Pumps Parts and Repair E-PUPI-TS004-E October 2004
This Fault-Logic Trouble Shooting Guide is designed as
a diagnostic aid in locating possible transmission
problems by the user. Match the transmission
symptoms with the problem statements and follow the
action steps shown in the box diagrams. This will give
expedient aid in correcting minor problems,
eliminating unnecessary machine down time.
Following the fault-logic diagrams are diagram action
comments to further help explain the action steps
shown in the diagrams.
Where applicable, the action comment number of the
statement appears in the action block of the diagram.
Inspect
Repair
or
Replace
Defective
1
Ok
Symptom:
?
Action
Step
Comment
Number
Decision
Solution
Neutral Difficult or
Impossible
Replace Pump
Repair
or
Replace
Inspect
Pump Control
Valve
2
Ok
Defective
Inspect External
Pump Control
Linkage (if Used)
Repair
or
Replace
Defective
1
Ok
Re−Adjust
Inspect
Servo Piston
Adjustment
3
Ok
Misadjusted
Troubleshooting
Fault-Logic Tables
