Eaton 72400 Repair Information page 19

Model 72400
Fault - Logic
Trouble Shooting
Symptom: Operates in One Direction Only
Inspect
External
Control Linkage
1
Defective
Repair
or
Replace
Symptom: System Response Sluggish
Check
Charge
Pressure
11
Low
Inspect
Charge Relief
Valve
12
Defective
Repair
or
Replace
Inspect
Ok
Control Valve
2
Defective
Repair
or
Replace
Inspect
Control
Ok
Valve
2
Defective
Repair
or
Replace
Inspect
Inlet
Ok
Screen or Filter
9
Clogged
Replace
Inspect
System
Ok
Relief Valves
3
Defective
Repair
or
Replace
Inspect
Bypass Valve
Ok
(If used)
8
Defective
Repair
or
Replace
Replace
Pump & Motor
Inspect
Charge
Ok
Pump
14
Defective
Repair
or
Replace
19
Replace
Ok
Pump
Inspect
Servo
Ok
Piston
4
Defective
Repair
or
Replace
Inspect
Ok
Motor
Defective
Repair
Ok
or
Replace
Ok
13