990K Wheel Loader Systems Caterpillar


Steering Control Group

Usage:

990K A9P


Illustration 1g06131980

Table 1
Specification for 503-1433 Steering Control and Mounting Gp 
Item  Qty  Part  Specification Description 
138-8454 Screw  Torque to 1.7 ± 0.4 N·m (15.1 ± 3.5 lb in)
Screw  Torque to 6 ± 1 N·m (53 ± 9 lb in)
9X-1046   Before assembly, apply blue Loctite 243 to the threads. 
9X-2045 Screw  Torque to 2.50 ± 0.25 N·m (22.13 ± 2.21 lb in)


Illustration 2g06131954
239-3666 Steering Control Gp

Table 2
Item  Qty  Part  Specification Description 
149-7370 Abrasion Sleeve  Torque to 915 ± 5 N·m (675 ± 4 lb ft)
149-7370 Abrasion Sleeve  Torque to 970 ± 5 N·m (715 ± 4 lb ft)


Illustration 3g06132024
432-6163 STIC Lockout Control Gp

Table 3
Item  Qty  Part  Specification Description 
5C-7261 Nut  Torque to 15 ± 3 N·m (133 ± 27 lb in)
8T-4133 Nut  Before assembly, apply red Loctite 271 to the threads.
Torque to 30 ± 7 N·m (266 ± 62 lb in)
8T-4133 Nut  Before assembly, apply Loctite 271 to the threads.
Torque to 1.00 ± 0.15 N·m (8.85 ± 1.33 lb in)
10  8T-4133 Nut  Torque to 8.5 ± 1.3 N·m (75.2 ± 11.5 lb in)
11  8C-3442 Coil Spring  Length under test force is 57.9 mm (2.28 inch).
Test force is 71.2 ± 5.8 N (16.0 ± 1.3 lb).
Free length after test is 50.3 mm (1.98 inch)

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