47
Troubleshooting – Series 2 Variable Displacement Pump
Inspect
Repair
or
Replace
Defective
1
Ok
Symptom:
?
Action
Step
Comment
Number
Decision
Solution
Fault-Logic Trouble Shooting
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.
Explanatory Diagram
Replace Pump
Repair
or
Replace
Inspect
Pump Control
Valve
2
Ok
Defective
Inspect External
Pump Control
Linkage (if Used)
Repair
or
Replace
Defective
Neutral Difficult or Impossible to Find
1
Ok
Re-Adjust
Inspect
Servo Piston
Adjustment
3
Ok
Misadjusted