120K and 120K Series 2 Motor Graders Power Train Caterpillar


Transmission Case

Usage:

120K JAP



Illustration 1g01707033

Left side view

(1) Lubricate the bore for the O-ring seal lightly with the lubricant that is being sealed.

(2) Torque for the pipe plug ... 25 ± 5 N·m (221 ± 44 lb in)

(3) Surfaces of transmission case and transmission cover must be free from oil and grease. Apply white Loctite High Flex GM to the joint between the transmission case and the transmission cover.

(4) Torque for the bolts ... 55 ± 10 N·m (41 ± 7 lb ft)

(5) Torque for the plug assembly ... 70 ± 7 N·m (51 ± 5 lb ft)

(B) Maximum clearance after tightening the pipe plug (6) ... 1.5 mm (0.06 inch)

Note: Assemble the pipe plug without sealant on the threads of the pipe plug.

(6) Torque for the pipe plug ... 55 to 95 N·m (41 to 70 lb ft)

(7) Torque for the temperature sensor group ... 20 ± 3 N·m (177 ± 27 lb in)

(8) Lubricate the bore for the O-ring seals with the lubricant that is being sealed.

(9) Torque for three plug assemblies ... 210 ± 20 N·m (155 ± 15 lb ft)




Illustration 2g01709333

Front view

(10) Torque for seven bolts ... 28 ± 7 N·m (248 ± 62 lb in)




Illustration 3g01709416

Section A-A

(11) Torque for the plug assembly ... 135 ± 15 N·m (100 ± 11 lb ft)




Illustration 4g01709454

Rear view

(12) Torque for six plug assemblies ... 100 ± 10 N·m (74 ± 7 lb ft)

(13) Torque for 12 bolts ... 55 ± 10 N·m (41 ± 7 lb ft)

Note: Before the lip type seal is installed, coat the bore of the seal surface in the cover with red Loctite High Tack GS S material. Do not apply gasket material to the case of the lip type seal.

(14) Lubricate the sealing lip of the lip type seal lightly with the lubricant that is being sealed.

(15) Torque for three plug assemblies ... 70 ± 7 N·m (51 ± 5 lb ft)

(16) Torque for 12 bolts ... 28 ± 7 N·m (248 ± 62 lb in)

(17) Torque for two speed sensor groups ... 25 ± 5 N·m (221 ± 44 lb in)

(18) Torque for the plug assembly ... 35 ± 3 N·m (26 ± 2 lb ft)

(19) Torque for the nut ... 55 ± 10 N·m (41 ± 7 lb ft)

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