D8T Track-Type Tractor Hydraulic System Caterpillar

Illustration 1	g02371758

(1) Torque for two nuts ... 20 ± 3 N·m (177 ± 27 lb in)

(2) 352-9954 Spring

Length under first test force ... 39.4 mm (1.55 inch)

First test force ... 304.2 ± 24.0 N (68.4 ± 5.4 lb)

Length under second test force ... 35.5 mm (1.40 inch)

Second test force ... 655.2 ± 52.0 N (147.3 ± 11.7 lb)

Free length after test ... 42.78 mm (1.684 inch)

(3) Torque for two plugs ... 145 ± 15 N·m (107 ± 11 lb ft)

(4) Torque for the orifice plug ... 9 to 14 N·m (80 to 124 lb in)

(5) Torque for two solenoid valve groups ... 35 ± 3 N·m (26 ± 2 lb ft)

(6) Torque for the plug ... 300 ± 40 N·m (221 ± 30 lb ft)

(7) 2S-2596 Spring

Length under test force ... 7.9 mm (0.31 inch)

Test force ... 4.226 ± 0.338 N (0.950 ± 0.076 lb)

Free length after test ... 33.3 mm (1.31 inch)

(8) 4T-1701 Spring

Length under test force ... 59 mm (2.3 inch)

Test force ... 108 ± 5 N (24 ± 1 lb)

Free length after test ... 64.70 mm (2.547 inch)

Note: As required, use 4B-4278 Washer (9) in order to adjust the pressure setting. Maximum five washers can be used for the adjustment of pressure setting.

(9) Thickness of one new washer ... 1.6 mm (0.06 inch)