854G Wheel Dozer Hydraulic System Caterpillar

Illustration 1	g01060325

(1) Torque for the two bolts ... 50 ± 10 N·m (37.0 ± 7.4 lb ft)

Illustration 2	g01060346

(2) Torque for the nut ... 20 ± 6 N·m (15 ± 5 lb ft)

(3) Torque for the nut ... 35 ± 6 N·m (26.0 ± 5.0 lb ft)

(4) Lubricate the bore with a minimal amount of the lubricant that is being sealed.

(5) 9T-5734 Spacers (two)

Thickness of the spacer ... 1.2 mm (0.05 inch)

Note: The spacer must contact the end of the spring.

(6) 8J-4437 Spring

Length under test force ... 33.27 mm (1.310 inch)

Test force ... 250 ± 30 N (56.0± 7.0 lb)

Free length after test ... 36.17 mm (1.424 inch)

Outside diameter ... 11.68 mm (0.460 inch)

(7) 9J-5499 Spring

Length under test force ... 46.03 mm (1.812 inch)

Test force ... 90 ± 5 N (20.0 ± 1.1 lb)

Free length after test ... 68.07 mm (2.680 inch)

Outside diameter ... 14.68 mm (0.578 inch)

(8) The clearance between the valve stem and the valve body ... 0.023 to 0.028 mm (0.0009 to 0.0011 inch)

(9) 2N-7029 Spring

Length under test force ... 30.99 mm (1.220 inch)

Test force ... 18 N (4.0 lb)

Free length after test ... 50.038 mm (1.9700 inch)

Outside diameter ... 9.525 mm (0.3750 inch)

(10) The clearance between the valve stem and the valve body ... 0.015 to 0.020 mm (0.0006 to 0.0008 inch)

(11) Torque for the two bolts ... 50 ± 10 N·m (37.0 ± 7.0 lb ft)

(12) 152-5559 Shims (two)

Thickness of the shim ... 0.95 ± 0.05 mm (0.038 ± 0.002 inch)

Note: Use shims that are required in order to adjust the pressure.

(13) 5J-1389 Springs (two)

Length under test force ... 16.256 mm (0.6400 inch)

Test force ... 40 ± 3 N (9.0 ± 0.70 lb)

Free length after test ... 20.828 mm (0.8200 inch)

Outside diameter ... 11.125 mm (0.4380 inch)

(14) The clearance between the valve stem and the valve body ... 0.015 to 0.020 mm (0.0006 to 0.0008 inch)

(15) 3B-4730 Spring

Length under test force ... 53.98 mm (2.125 inch)

Test force ... 42 N (9.5 lb)

Free length after test ... 82.55 mm (3.250 inch)

Outside diameter ... 12.268 mm (0.4830 inch)

Illustration 3	g01060347

(16) 8J-8621 Springs (two)

Length under test force ... 40.64 mm (1.600 inch)

Test force ... 45 ± 3.6 N (10.1 ± 0.81 lb)

Free length after test ... 45.974 mm (1.8100 inch)

Outside diameter ... 30.81 mm (1.213 inch)

(17) 9J-8752 Spring

Length under test force ... 81 mm (3.2 inch)

Test force ... 337 ± 17 N (75.8 ± 3.8 lb)

Free length after test ... 116.8 mm (4.60 inch)

Outside diameter ... 33.83 mm (1.332 inch)

(18) The clearance between the valve stem and the valve body ... 0.023 to 0.028 mm (0.0009 to 0.0011 inch)

(19) 8M-1679 Spring

Length under test force ... 18.542 mm (0.7300 inch)

Test force ... 27 ± 2 N (6.1 ± 0.5 lb)

Free length after test ... 133.86 mm (5.270 inch)

Outside diameter ... 33.325 mm (1.3120 inch)

(20) Torque for the nut ... 20 ± 6 N·m (14.8 ± 4.4 lb ft)

Note: The spacer must contact the end of the spring.

(21) The clearance between the valve stem and the valve body ... 0.023 to 0.028 mm (0.0009 to 0.0011 inch)

(22) Lubricate the bore with a minimal amount of lubricant that is being sealed.

(23) 2J-6089 Spring (yellow stripe)

Length under test force ... 36.25 mm (1.427 inch)

Test force ... 278 ± 14 N (62.5 ± 3.1 lb)

Free length after test ... 44.12 ± 0.5 mm (1.737 ± 0.02 inch)

Outside diameter ... 12.5 mm (0.49 inch)

(24) 3G-9183 Spring

Length under test force ... 46.23 mm (1.820 inch)

Test force ... 49.4 ± 4 N (11.11± 0.90 lb)

Free length after test ... 61.9 mm (2.437 inch)

Outside diameter ... 19.56 mm (0.770 inch)

(25) Lubricate the bore with a minimal amount of lubricant that is being sealed.

(26) 7F-1585 Springs (two) (red stripe)

Length under test force ... 37.30 mm (1.470 inch)

Test force ... 16.147 N (3.6300 lb)

Free length after test ... 82.55 mm (3.250 inch)

Outside diameter ... 25.4 mm (1.00 inch)