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III-50
MACHINE CONFIGURATION
HYDRAULIC SYSTEM
Filling with Hydraulic Oil
The oil level changes according to the oil tempera-
ture. Inspect the oil level in the hydraulic oil level
inspection posture shown in the diagram.
Hydraulic oil level inspection posture
1. Start the engine and run it at low speed.
2. Fully retract the lift arm and bucket cylinders
and ground the bucket.
3. Stop the engine.
4. Inspect the oil level using the sight gauge (2).
• When the oil temperature is about 20°C:
The level should be halfway between the up-
per limit (H) and lower limit (L).
If it is below the lower limit (L), replenish.
• When the oil temperature is about 50 to
80°C:
The level should be near the upper limit (H).
Bleeding the air
After replacing the hydraulic oil, bleed the air
from the hydraulic circuit and hydraulic devic-
es. Failure to do so may damage the hydraulic
devices.
Hydraulic pump
1. Tilt up the canopy.
2. Remove the plug (1) from the hydraulic pump.
3. Once hydraulic oil overflows from the plug hole,
connect the plug (1).
Cylinders
1. Start the engine and run it at low idle for 10 min-
utes.
2. Set the engine to a low idle, then extend and
contract all the cylinders 4 or 5 times, without
going to the stroke end.
3. Run the engine at high speed, then extend and
contract all the cylinders 4 or 5 times, without
going to the stroke end.
4. Set the engine back to a low idle, then extend
and contract all the cylinders 4 or 5 times to the
stroke ends.
T7G008A
H
L
2
T7G024A
1
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...