D7R Track-Type Tractor Power Train Caterpillar


Brake Control Valve

Usage:

D7R 2EN



Illustration 1g00749508

(1) Torque for nuts that hold the coil assemblies ... 9.5 ± 1.5 N·m (84 ± 13 lb in)

(2) Torque for two solenoid valves ... 30 ± 3 N·m (22 ± 2 ft)

(3) Torque for four bolts ... 30 ± 4 N·m (22 ± 3 lb ft)

(4) Torque for two test nipples ... 37 ± 7 N·m (27 ± 5 lb ft)

(5) Torque for six bolts ... 30 ± 4 N·m (22 ± 3 lb ft)

(6) Torque for two plugs ... 50 ± 10 N·m (37 ± 7 lb ft)

(7) 108-4430 Spring

Quantity ... 2
Length under test force ... 19.51 mm (0.768 inch)
Test force ... 39 ± 2 N (8.8 ± 0.5 lb)
Free length after test ... 39.27 mm (1.546 inch)
Outside diameter ... 20.83 mm (0.820 inch)

(8) 137-8793 Spring

Quantity ... 2
Length under test force ... 30.55 mm (1.203 inch)
Test force ... 63 ± 3 N (14 ± 1 lb)
Free length after test ... 38.65 mm (1.522 inch)
Outside diameter ... 15.60 mm (0.614 inch)

(9) Torque for two solenoid valves ... 50 ± 5 N·m (37 ± 4 lb ft)

(10) Torque for two nuts ... 9.5 ± 1.5 N·m (84 ± 13 lb in)

(11) 108-4432 Spring (Outer)

Quantity ... 2
Length under test force ... 40.11 mm (1.579 inch)
Test force ... 940 ± 80 N (210 ± 15 lb)
Free length after test ... 50.09 mm (1.972 inch)
Outside diameter ... 30.50 mm (1.201 inch)

(12) 108-4431 Spring (Inner)

Quantity ... 2
Length under test force ... 49.55 mm (1.95 inch)
Test force ... 560 ± 60 N (125 ± 15 lb)
Free length after test ... 59.46 mm (2.34 inch)
Outside diameter ... 18.80 mm (0.74 inch)

Caterpillar Information System:

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