Eaton Electrical 350 - Manual (Page 40)

40 EATON 350 Series Dual Path Mobile Pumps E-PUPI-TS006-E September 2007
Troubleshooting
Fault - Logic Troubleshooting
Inspect
Control Valve
Inspect
Servo piston
Repair
or
Replace
Defective
Ok Ok Ok
1 4 2
Replace
Pump
Symptom: Neutral Difficult or Impossible to Find
Inspect
External
Control Linkage
Repair
or
Replace
Defective Defective
Repair
or
Replace
Inspect
Heat
Exchanger
Inspect Heat
Exchanger
Bypass Valve
(If used)
Repair
or
Replace
Defective
Ok Ok Ok
7 6 5
Symptom: System Operating Hot
Check
Oil Level in
Reservoir
Fill to
Proper
Level
Defective Below Level
Repair
or
Replace
Check
System
Pressure
Reduce
System
Load
High
Ok
10
Inspect Charge
Relief Valve
Repair
or
Replace
Defective
Ok
12
Inspect
Charge
Pump
Repair
or
Replace
Defective
14
Inspect Motor
Repair
or
Replace
Defective
Ok
13
Inspect
Inlet
Screen or Filter
Replace
Clogged
Ok
9
Check
Charge
Pressure
11
Low
Ok
Ok
Replace
Pump & Motor
Inspect
Bypass Valve
(If used)
Repair
or
Replace
Defective
Ok
8