V-14
TROUBLESHOOTING
MACHINE TRAVEL
THE TRAVEL SYSTEM IS OPERATING AT AN UNUSUALLY HIGH TEMPERATURE.
Is the HST pump gen-
erating an excessive
amount of heat?
6
Is the travel motor gen-
erating an excessive
amount of heat?
5
Inspect the release pres-
sure for the parking
brake.
4
Inspect high pressure
relief valves.
3
Inspect oil cooler.
2
Inspect hydraulic oil
level.
1
Add hydraulic oil.
• Clean the oil cooler and radiator.
• Repair or replace the oil cooler.
Repair or replace the high
pressure relief valve.
Inspect the control valve
(sub), filter, and hydraulic
pump P4.
Repair or replace the travel
motor.
Repair or replace the HST
pump.
Normal
Normal
Normal
No
Faulty
Faulty
Yes
Level low
Pressure low
Yes
Level normal
Summary of Contents for TL150
Page 1: ...TL150 Track Loader BOOK No CT7E901 WORKSHOP MANUAL Serial No 21500004...
Page 4: ...0 4...
Page 5: ...I 1 I GENERAL...
Page 18: ...I 14 GENERAL...
Page 19: ...II 1 II SPECIFICATIONS...
Page 44: ...III 1 III MACHINE CONFIGURATION...
Page 94: ...III 51 MACHINE CONFIGURATION ELECTRICAL SYSTEM ELECTRICAL SYSTEM ELECTRICAL WIRING DIAGRAM...
Page 122: ...III 79...
Page 146: ...MACHINE CONFIGURATION III 103...
Page 147: ...IV 1 IV HYDRAULIC UNITS...
Page 152: ...IV 6 HYDRAULIC UNITS HST PUMP 1 Plug 2 Plug 3 Plug 4 Screw 5 Seal Nut 6 Plug Pump Assembly 4 4...
Page 189: ...IV 43 HYDRAULIC UNITS GEAR PUMP INSPECTION AND ADJUSTMENT IV 36 38 TROUBLESHOOTING IV 39...
Page 230: ...IV 84 HYDRAULIC UNITS PILOT VALVE INSPECTION AND ADJUSTMENT IV 79 TROUBLESHOOTING IV 80...
Page 261: ...IV 115 HYDRAULIC UNITS TRAVEL MOTOR DISASSEMBLY AND ASSEMBLY Special tools...
Page 263: ...IV 117 HYDRAULIC UNITS TRAVEL MOTOR...
Page 282: ...IV 136 HYDRAULIC UNITS TRAVEL MOTOR...
Page 283: ...V 1 V TROUBLESHOOTING...