Troubleshooting – Eaton Electrical 350 User Manual
Page 41
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41
EATON 350 Series Dual Path Mobile Pumps E-PUPI-TS006-E September 2007
Troubleshooting
Fault - Logic Troubleshooting
Repair
or
Replace
Repair
or
Replace
Inspect
System
Relief Valves
Repair
or
Replace
Defective
Ok
Ok
Defective
Defective
3
2
1
Symptom: Operates in One Direction Only
Inspect
External
Control Linkage
Inspect
Control Valve
Ok
Replace
Pump
Inspect
Control
Valve
Inspect
Bypass Valve
(If used)
Repair
or
Replace
Defective
Ok
Ok
Ok
8
2
1
1
Symptom: System Response Sluggish
Check
Charge
Pressure
Low
Defective
Repair
or
Replace
Inspect
Motor
Ok
13
Inspect
Servo
Piston
4
Ok
Replace
Pump & Motor
Repair
or
Replace
Defective
Repair
or
Replace
Defective
Inspect
Inlet
Screen or Filter
Inspect
Charge
Pump
Repair
or
Replace
Defective
Ok
Ok
Ok
4
1
9
2
1
Inspect
Charge Relief
Valve
Clogged
Replace
Defective
Repair
or
Replace
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