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V-20
TROUBLESHOOTING
LIFT ARMS
MOVEMENT OF THE LIFT ARM CYLINDERS IS SLOW OR LACKS POWER.
Inspect the spool opera-
tion.
3
Inspect the pilot valve.
2
Are the lift arm cylinders
moving within the speci-
fied range of speed?
1
Inspect for leaks within
the lift arm cylinders.
6
Inspect the arm float
solenoid valve.
5
Repair or replace control
valve.
Normal
Normal
Faulty
Perform
replacement
test for the port relief
valves.
4
Repair or replace arm float
solenoid valve.
Repair or replace lift arm
cylinder.
Normal
Faulty
Repair or replace port relief
valve.
No change
Operation be-
came normal.
Port relief valve is at
fault.
Repair or replace pilot
valve.
Outside the standard
Faulty
1. Are the lift arm cylinders moving within the
specified range of speed?
“II. Specifications, Standards for Judging
Performance”
2. Inspect the pilot valve.
“V-18”
3. Inspect the spool operation.
“V-19”
4. Perform replacement test for the port relief
valves.
“V-19”
5. Inspect the arm float solenoid valve.
“V-19”
Normal
Within standard
Faulty
Содержание TL150
Страница 1: ...TL150 Track Loader BOOK No CT7E901 WORKSHOP MANUAL Serial No 21500004...
Страница 4: ...0 4...
Страница 5: ...I 1 I GENERAL...
Страница 18: ...I 14 GENERAL...
Страница 19: ...II 1 II SPECIFICATIONS...
Страница 44: ...III 1 III MACHINE CONFIGURATION...
Страница 94: ...III 51 MACHINE CONFIGURATION ELECTRICAL SYSTEM ELECTRICAL SYSTEM ELECTRICAL WIRING DIAGRAM...
Страница 122: ...III 79...
Страница 146: ...MACHINE CONFIGURATION III 103...
Страница 147: ...IV 1 IV HYDRAULIC UNITS...
Страница 152: ...IV 6 HYDRAULIC UNITS HST PUMP 1 Plug 2 Plug 3 Plug 4 Screw 5 Seal Nut 6 Plug Pump Assembly 4 4...
Страница 189: ...IV 43 HYDRAULIC UNITS GEAR PUMP INSPECTION AND ADJUSTMENT IV 36 38 TROUBLESHOOTING IV 39...
Страница 230: ...IV 84 HYDRAULIC UNITS PILOT VALVE INSPECTION AND ADJUSTMENT IV 79 TROUBLESHOOTING IV 80...
Страница 254: ...IV 108 HYDRAULIC UNITS CYLINDERS Corrective Jig E MATERIAL STKM13C Unit mm Corrective Jig E A B Arm 90 75 Bucket 90 75...
Страница 261: ...IV 115 HYDRAULIC UNITS TRAVEL MOTOR DISASSEMBLY AND ASSEMBLY Special tools...
Страница 263: ...IV 117 HYDRAULIC UNITS TRAVEL MOTOR...
Страница 282: ...IV 136 HYDRAULIC UNITS TRAVEL MOTOR...
Страница 283: ...V 1 V TROUBLESHOOTING...