769D Off-Highway Truck/Tractor and 771D Quarry Truck Power Train Caterpillar

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View A-A

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Section B-B

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Section C-C

(1) 5M-9548 Spring

Length under test force ... 21.3 mm (0.84 inch)

Test force ... 4.4 ± 0.4 N (1.00 ± 0.08 lb)

Free length after test ... 34.0 mm (1.34 inch)

Outside diameter ... 12.2 mm (0.48 inch)

(2) Torque for bolts ... 30 ± 7 N·m (22 ± 5 lb ft)

(3) 4M-2381 Spring

Length under test force ... 12.2 mm (0.48 inch)

Test force ... 2.31 ± 0.18 N (0.52 ± 0.04 lb)

Free length after test ... 22.6 mm (0.89 inch)

Outside diameter ... 7.6 mm (0.30 inch)

(4) 6T-3177 Spring

Length under test force ... 32.3 mm (1.27 inch)

Test force ... 89.0 ± 4.0 N (20.0 ± 0.9 lb)

Free length after test ... 44.5 mm (1.75 inch)

Outside diameter ... 21.0 mm (0.83 inch)

(5) 6T-5409 Spring

Color code ... white stripe

Length under test force ... 72.19 mm (2.84 inch)

Test force ... 1034 N (232 lb)

Free length after test ... 86.8 mm (3.42 inch)

Outside diameter ... 21.34 mm (0.840 inch)

(6) 5M-3492 Spacer

Thickness of spacer ... 0.25 mm (0.010 inch)

Pressure change with one spacer ... 17 kPa (2.5 psi)

7M-1397 Spacer

Thickness of spacer ... 0.91 mm (0.036 inch)

Pressure change with one spacer ... 60 kPa (8.7 psi)

(7) 8M-6402 Spring

Color code ... red stripe

Length under test force ... 85.9 mm (3.38 inch)

Test force ... 841.0 ± 66.7 N (189.0 ± 15.0 lb)

Free length after test ... 110.5 mm (4.35 inch)

Outside diameter ... 19.8 mm (0.78 inch)

(8) Torque for screen filter ... 6.1 ± 0.7 N·m (55 ± 6 lb in)

(9) 145-0105 Spacer

Thickness of spacer ... 0.25 mm (0.010 inch)

Pressure change with one spacer ... 41 kPa (6.0 psi)

145-0106 Spacer

Thickness of spacer ... 0.90 mm (0.035 inch)

Pressure change with one spacer ... 145 kPa (21.0 psi)

145-0107 Spacer

Thickness of spacer ... 1.60 mm (0.063 inch)

Pressure change with one spacer ... 261 kPa (37.9 psi)

(10) 145-0107 Spacer

Thickness of spacer ... 1.60 mm (0.063 inch)

Pressure change with one spacer ... 94.3 kPa (13.68 psi)

(11) 3T-9920 Spring

Length under test force ... 38.6 mm (1.52 inch)

Test force ... 307 ± 25 N (69 ± 6 lb)

Free length after test ... 52.32 mm (2.060 inch)

Outside diameter ... 20.95 mm (0.825 inch)

(12) Do not put sealant on the threads of the plugs.

(13) Torque converter inlet relief valve

Installation torque ... 85 ± 10 N·m (63 ± 7 lb ft)

Pressure setting ... 955 ± 95 kPa (139 ± 14 psi)

(14) Torque for cap ... 85 ± 10 N·m (63 ± 7 lb ft)

(15) Support assembly

(16) Cam

(17) Torque for two bolts ... 30 ± 7 N·m (22 ± 5 lb ft)

(18) Torque for two bolts ... 30 ± 7 N·m (22 ± 5 lb ft)

(19) Spring assemblies

(A) Clearance ... 4.5 mm (0.18 inch)

Note: See the Power Train Testing and Adjusting, "Selector and Pressure Control Valve (Transmission) - Adjust" for the proper adjustment procedure.

(B) Installation depth for the pin ... 1.5 ± 0.5 mm (0.06 ± 0.02 inch)

Note: Lubricate the outside surface of the pins with 4C-5592 Anti-Seize Compound before installation.

Note: Install the outer pin prior to installation of the inner pin.

Note: Orientation of the slot in the inner pin must be 180 ± 20 degrees from the slot that is in the outer pin.

(C) Installation depth for dowel ... 4.0 mm (0.16 inch)