V-5
TROUBLESHOOTING
OVERALL MACHINE
1. Inspect the hydraulic oil level.
“III. Machine Configuration, Hydraulic
Tank”
Always be sure to use the same brand as that
currently being used when adding hydraulic oil.
“Specifications, Fluid Capacities”
2. Inspect the hydraulic pump.
• Inspect the delivery pressure of pumps P1
and P2 (HST pumps).
“II. Specifications, Standards for Judging
Performance”
• Check pumps P3 and P4 (gear pumps).
a. Remove the delivery hoses (2) from the
pump.
b. Crank the engine.
• If everything is working properly, hydrau-
lic oil will be ejected from the pump out-
let.
Note that a failure in the pump coupling mecha-
nism causes the operation of all pumps to fail.
3. Inspect hydraulic pump P4.
See the item above for instructions on checking
this pump.
4. Inspect the fuse.
Check the fuse for the electrical circuit which
operate the lever lock solenoid.
T7E001
30
30
20
10
10
20
30
20
20
20
10
30
20
10
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...