Eaton 72400 Repair Information page 18

Model 72400
Fault - Logic
Trouble Shooting
Symptom: Neutral Difficult or Impossible to Find
Inspect
External
Control Linkage
1
Defective
Repair
or
Replace
Symptom: System Operating Hot
Check
Oil Level in
Reservoir
5
Below Level
Fill to
Proper
Level
Ok
Replace
Pump & Motor
Inspect
Ok
Control Valve
2
Defective
Repair
or
Replace
Inspect
Heat
Ok
Exchanger
6
Defective
Repair
or
Replace
Inspect
Charge
Ok
Pump
14
Defective
Repair
or
Replace
Ok Inspect Motor
Defective
Repair
or
Replace
Inspect
Ok
Servo piston
4
Defective
Repair
or
Replace
Inspect Heat
Exchanger
Ok
Bypass Valve
(If used)
7
Defective
Repair
or
Replace
Inspect
Inlet
Screen or Filter
9
Clogged
Replace
Inspect
Bypass Valve
Ok
(If used)
13
Defective
Repair
or
Replace
18
Replace
Ok
Pump
Check
Ok
Charge
Pressure
11
Low
Inspect Charge
Ok
Relief Valve
12
Defective
Repair
or
Replace
Check
System
Ok
Pressure
8
High
Reduce
System
Load
Ok
10