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IV-17
HYDRAULIC UNITS
HST PUMP
Assembly
Pump
1. Assemble the servo piston.
a. Install the spring guide (53), the spring (52)
and the spring guide (51) to the tie bolt (16).
b. Attach the nut (50), and tighten it manually
until it contacts the spring guide (51).
c. Attach the nut (49), and tighten it until it con-
tacts the nut (50).
d. Install the spring assembly to the servo piston
(20), and attach the snap ring (48).
• Compress the spring by the press.
• Use a new snap ring.
e. Confirm that the spring load is applied to the
snap ring (48) and the tie bolt (16) rotates
freely.
f. Adjust the rotational torque of the servo pis-
ton.
“IV-24”
2. Assemble the cylinder block.
• Lubricate individual components of the cyl-
inder block with hydraulic oil in advance.
a. Install the washer (37), the spring (38), and
the washer (39) to the cylinder block (36).
b. Install the retaining ring (40) by compressing
the spring.
3. Assemble the cylinder block assembly.
a. Install the retainer ring (34) to the cylinder
block (36).
• Install the ring at the position 3.2 mm be-
low the uppermost surface of the cylinder
block.
b. Install the three hold-down pins (35) to the
cylinder block (36).
c. Install the ball guide (33) to the cylinder block
(36).
S3F321
16
51
52
53
49
50
S3F322
20
48
16
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...