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V-15
TROUBLESHOOTING
MACHINE TRAVEL
1. Inspect the hydraulic oil level.
Check the oil level in the hydraulic tank.
“III. Machine Configuration, Hydraulic
System”
2. Inspect the oil cooler.
Check the oil cooler to see if it has been clogged
up or if there is anything else the matter with it.
Also check the oil cooler and the cooling fan in
the radiator to see if dust or other foreign par-
ticles have worked their way in and clogged the
cooling system.
3. Inspect the high pressure relief valves.
“V-11”
4. Inspect the release pressure for the parking
brake.
a. Disconnect the hose running from the control
valve (sub) to the travel motor at the control
valve (sub).
b. Fit a pressure gauge to the control valve (sub)
and measure the pressure required to release
the parking brake.
• If the pressure is 3.1 MPa, it is normal.
5. Is the travel motor generating an excessive
amount of heat?
“IV. Hydraulic Units, Travel Motor”
6. Is the HST pump generating an excessive
amount of heat?
“IV. Hydraulic Units, HST pump”
T7E004
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...