D350E Series II and D400E Series II Articulated Trucks Power Train Output Transfer Gear Group Caterpillar

138-8900 Transfer Gear

Illustration 1	g00918222

Note: Refer to the Disassembly and Assembly manual of the machine for the bearing adjustment procedures.

(1) 152-8384 Solenoid Valve

Torque of locknut ... 9.0 ± 0.5 N·m (6.64 ± 0.37 lb ft)

Final installation torque of valve ... 25 ± 5 N·m (18.4 ± 3.7 lb ft)

Nominal ... 24 VDC

Continuous Duty ... 15.9 Watts Maximum

Resistance ... 32.6 ± 1.6 Ohms

Maximum pressure ... 4138 kPa (600.2 psi)

(2) 2G-1084 Disc

Quantity ... 1

Thickness of one disc ... 9.411 ± 0.114 mm (0.3705 ± 0.0045 inch)

(3) 6Y-7955 Friction Disc

Quantity ... 9

Thickness of one disc ... 2.87 ± 0.08 mm (0.113 ± 0.003 inch)

Note: Wet friction discs with 30W oil at assembly

(4) 7U-1222 Shim Pack

One 7U-1223 Shim

Thickness of one shim ... 0.1 mm (0.004 inch)

Two 7U-1224 Shims

Thickness of one shim ... 0.15 mm (0.006 inch)

One 7U-1225 Shim

Thickness of one shim ... 0.2 mm (0.01 inch)

Two 7U-1226 Shims

Thickness of one shim ... 0.5 mm (0.02 inch)

(5) 7U-7768 Shim Pack

One 7U-7863 Shim

Thickness of one shim ... 0.1 mm (0.004 inch)

One 7U-7864 Shims

Thickness of one shim ... 0.15 mm (0.006 inch)

Two 7U-7865 Shims

Thickness of one shim ... 0.2 mm (0.01 inch)

One 7U-7866 Shim

Thickness of one shim ... 0.5 mm (0.02 inch)

(6) Lubricate the sealing lip with transmission oil prior to assembly.

(7) Apply sealant to the mating faces.

(8) 8D-9718 Disc

Quantity ... 10

Thickness ... 1.52 ± 0.13 mm (0.060 ± 0.005 inch)

(9) 2U-6870 Transfer Gear Planetary

2U-6870 Transfer Gear Planetary

Illustration 2	g00918553

(1) Torque for six bolts ... 430 ± 60 N·m (317.2 ± 44.3 lb ft)

139-9130 Output Transfer Gear and 173-9965 Output Transfer Gear

Illustration 3	g00918214

Note: Refer to the Disassembly and Assembly manual of the machine for the bearing adjustment procedures.

(1) Use the 7U-1342 Shim Packs to obtain 0.105 ± 0.055 mm (0.0041 ± 0.0022 inch) end play in the bearing assemblies.

One 7U-1333 Shim

Thickness of one shim ... 0.1 mm (0.004 inch)

One 7U-1334 Shim

Thickness of one shim ... 0.15 mm (0.006 inch)

Two 7U-1335 Shims

Thickness of one shim ... 0.2 mm (0.01 inch)

One 7U-1336 Shim

Thickness of one shim ... 0.5 mm (0.02 inch)

(2) Use the 7U-1222 Shim Pack to obtain 0.105 ± 0.055 mm (0.0041 ± 0.0022 inch) end play in the bearing assemblies.

One 7U-1223 Shim

Thickness of one shim ... 0.1 mm (0.004 inch)

Two 7U-1224 Shims

Thickness of one shim ... 0.15 mm (0.006 inch)

One 7U-1225 Shim

Thickness of one shim ... 0.2 mm (0.01 inch)

Two 7U-1226 Shims

Thickness of one shim ... 0.5 mm (0.02 inch)

(3) Lubricate the sealing lip with transmission oil prior to assembly.

(4) Apply sealant to mating faces.

(5) Torque for 12 bolts ... 270 ± 40 N·m (199.1 ± 29.5 lb ft)

(6) Apply sealant to thread.

(7) Torque for 6 bolts ... 55 ± 10 N·m (40.6 ± 7.4 lb ft)

(8) Torque for 11 bolts ... 55 ± 10 N·m (40.6 ± 7.4 lb ft)

(9) Apply sealant to this joint.

(10) Torque for 6 bolts ... 55 ± 10 N·m (40.6 ± 7.4 lb ft)

(11) Torque for 2 bolts ... 55 ± 10 N·m (40.6 ± 7.4 lb ft)

(12) Torque for 16 bolts ... 55 ± 10 N·m (40.6 ± 7.4 lb ft)

(13) Torque for 12 bolts ... 55 ± 10 N·m (40.6 ± 7.4 lb ft)

(14) Torque for locknut ... 25 ± 6 N·m (18.4 ± 4.4 lb ft)

(15) 122-3341 Transfer Gear Planetary or 173-9966 Differential

(16) 151-6912 Hydraulic Actuator

Illustration 4	g00921795

(9) Apply sealant to this joint.

(17) 090-8639 Spring

Test length ... 49.02 mm (1.930 inch)

Test force ... 358.0 ± 17.8 N (80.48 ± 4.00 lb)

Free length ... 74.67 mm (2.940 inch)

Outside diameter ... 24.94 mm (0.982 inch)

(18) 8M-3275 Spring

Test length ... 25.7 ± 6.9 mm (1.01 ± 0.27 inch)

Test force ... 273 ± 4 N (61.4 ± 1.0 lb)

Free length ... 35.41 ± 0.51 mm (1.394 ± 0.020 inch)

Outside diameter ... 35.36 mm (1.392 inch)

(19) 8B-3090 Spring

Test length ... 15.09 mm (0.594 inch)

Test force ... 59.4 ± 4.7 N (13.35 ± 1.05 lb)

Free length ... 26.59 mm (1.047 inch)

Outside diameter ... 7.14 mm (0.281 inch)

122-3341 Transfer Gear Planetary and 173-9966 Differential

Illustration 5	g00918570

(1) Torque for 9 bolts ... 100 ± 15 N·m (73.8 ± 11.1 lb ft)

Note: Turn an additional 120° ± 10°.

4C-1801 Input Transfer Gear

Illustration 6	g00920880

Note: Refer to the Disassembly and Assembly manual of the machine for the bearing adjustment procedures.

(1) Torque for six bolts ... 55 ± 10 N·m (40.6 ± 7.4 lb ft)

(2) Torque for six bolts ... 55 ± 10 N·m (40.6 ± 7.4 lb ft)