966G Series II Wheel Loader and 972G Series II Wheel Loader Power Train Caterpillar

Illustration 1	g00428378

(1) Torque for the six bolts ... 300 ± 40 N·m (220 ± 30 lb ft)

(2) Torque for the twelve bolts ... 300 ± 40 N·m (220 ± 30 lb ft)

(3) Torque for the twelve bolts ... 300 ± 40 N·m (220 ± 30 lb ft)

(4) Apply 1U-8846 Liquid Gasket to the contacting surfaces prior to assembly.

(5) Torque for the six bolts ... 55 ± 10 N·m (40 ± 7 lb ft)

Illustration 2	g00428438

(6) Torque for the two air purge screws ... 11 ± 4 N·m (8 ± 3 lb ft)

(7) Torque for the pressure relief fitting ... 13 ± 4 N·m (10 ± 3 lb ft)

Illustration 3	g00428478
View A-A

(8) Torque for the gauge assembly ... 45 ± 6 N·m (33 ± 4 lb ft)

(9) Torque for the twenty-four bolts ... 300 ± 40 N·m (220 ± 30 lb ft)

(10) (11) Apply 1U-8846 Liquid Gasket to the contacting surfaces prior to assembly.

(12) Torque for the twenty-four bolts ... 300 ± 40 N·m (220 ± 30 lb ft)

(13) For additional information on the axle housing and bearings, refer to the Service Manual module for Testing and Adjusting, RENR4387, "966G Series II Wheel Loader and 972G Series II Wheel Loader Power Train", "Axle Housing and Bearing Preload - Adjust".

(14) Apply 1U-8846 Liquid Gasket to the contacting surfaces prior to assembly.

(15) Torque for the four bolts ... 570 ± 80 N·m (420 ± 60 lb ft)

(16) Apply 1U-8846 Liquid Gasket to the contacting surfaces prior to assembly.

(17) Torque for the plug ... 45 ± 6 N·m (33 ± 4 lb ft)

(18) At assembly, rubber toric seals must be clean and dry and all surfaces that contact rubber toric seals must be clean and dry. Immediately before installation, apply a thin layer of oil on the surfaces of the metal seals that contact the rubber toric seals. The seal must be assembled square with the bore. Rubber toric seals must not have bulged and these seals must also not have twisted.

Illustration 4	g00428479
Detail B

(19) Outside diameter of the trunnion ... 126.80 ± 0.08 mm (4.992 ± .003 inch)

(20) Sleeve Bearing for 139-9106 Oscillating Axle Housing and 143-5256 Oscillating Axle Housing

Inside diameter of the sleeve bearing ... 127.80 ± 0.10 mm (5.032 ± .004 inch)

Outside diameter of the sleeve bearing ... 140.20 ± 0.10 mm (5.520 ± .004 inch)

(20) Sleeve Bearing for 129-4293 Oscillating Axle Housing

Inside diameter of the sleeve bearing ... 127.5 mm (5.020 inch)

Outside diameter of the sleeve bearing ... 140.2 ± 0.08 mm (5.520 ± .003 inch)

(21) Inside diameter of the trunnion support ... 139.75 ± 0.05 mm (5.502 ± .002 inch)

Illustration 5	g00428480
Detail C

(22) Outside diameter of the pinion housing ... 220.00 ± 0.08 mm (8.661 ± .003 inch)

(23) Sleeve Bearing for 139-9106 Oscillating Axle Housing and 143-5256 Oscillating Axle Housing

Inside diameter of the sleeve bearing ... 220.92 ± 0.15 mm (8.698 ± .006 inch)

Outside diameter of the sleeve bearing ... 235.98 ± 0.08 mm (9.290 ± .003 inch)

(23) Sleeve Bearing for 129-4293 Oscillating Axle Housing

Inside diameter of the sleeve bearing ... 220.72 ± 0.13 mm (8.690 ± .005 inch)

Outside diameter of the sleeve bearing ... 235.98 ± 0.08 mm (9.290 ± .003 inch)

(24) Inside diameter of the trunnion support ... 235.50 ± 0.05 mm (9.272 ± .002 inch)

Illustration 6	g00428481
Detail D

Illustration 7	g00887359

(25) Torque for the eight bolts ... 1000 ± 25 N·m (740 ± 18 lb ft)

(26) Drain plug for 143-5256 Oscillating Axle Housing

Torque for the drain assembly ... 130 ± 10 N·m (96 ± 7 lb ft)

Torque for the plug ... 65 ± 6 N·m (48 ± 4.5 lb ft)

Note: Use a 3/4 inch pipe in order to activate the valve for draining.