T415 Operation & Service Manual
800.392.2686
85
Maintenance
51
EATON
Heavy-Duty Series 2 Hydrostatic Pumps Parts and Repair E-PUPI-TS004-E October 2004
System Will Not
Operate in Either
Direction
Fill to
Proper
Level
Replace
Transmission
(Pump & Motor)
Repair
or
Replace
Replace
Repair
or
Replace
Repair
or
Replace
Repair
or
Replace
Repair
or
Replace
Repair
or
Replace
Repair
or
Replace
Inspect Charge
Relief Valve
(At Pump)
Low in
Forward
or Reverse
Low in
Neutral,Forward
or Reverse
Inspect External
Pump Control
Linkage (if Used)
1
Inspect
Inlet
Filter
11
Inspect
Pump Control
Valve
2
Check Oil
Level in
Reservoir
7
Inspect
Charge
Pump
15
Ok
Below Level
Defective
Ok
Ok
Defective
Inspect Motor
By−Pass Valve
(if Used)
10
Ok
Defective
Ok
Check
Charge
Pressure
Inspect Charge
Relief Valve
(At Motor)
14
Defective
Ok
Clogged
Ok
Inspect
IPOR Valve
(if Used)
16
Ok
Defective
Ok
Ok
Defective
Defective
13
Inspect
System Relief
Valves
4
Repair
or
Replace
Defective
Fault-Logic Tables
Troubleshooting