OPTION AR-LINKAGE 3678836 - Caterpillar

Illustration 1 g06086260
Table 1
Specification for 379-3886 Wheel Gp and 379-3887 Service and Parking Brake Gp
Item Qty Part Specification Description
1 1 5H-3701 Purge Screw Torque to 12 3 N m (106 27 lb in).
2 1 3J-1907 O-Ring Seal Before assembly, immediately lubricate lightly with the lubricant that is being sealed.
3 1 6H-9691 O-Ring Seal Before assembly, immediately lubricate lightly with the lubricant that is being sealed.
4 1 163-7233 D-Ring Seal Before assembly, immediately lubricate lightly with the lubricant that is being sealed.
5 1 325-3780 Seal Before assembly, immediately lubricate lightly with the lubricant that is being sealed.
6 1 317-2403 O-Ring Seal Before assembly, immediately lubricate lightly with the lubricant that is being sealed.
7 1 7X-1548 Seal Before assembly, immediately lubricate lightly with the lubricant that is being sealed.
8 16 9X-6491 Bolt Before assembly, apply red Loctite 263 to threads.
9 8 6I-8792 Spring Length under test force is 73.66 mm (2.899 inch).
Test force is 685 34 N (154 8 lb).
Free length after test is 88.4 mm (3.48 inch).
10 Thickness of seven new plate and six new friction discs is 56.20 1.64 mm (2.213 0.065 inch).
4 297-4956 Friction Disc Thickness of one disc is 4.70 0.18 mm (0.185 0.007 inch).
5 379-3908 Plate Thickness of one plate is 8.000 0.064 mm (0.3150 0.0025 inch).
11 6V-3303 Bolt Before assembly, apply red Loctite 263 to threads.
12 4I-0755 Nut Torque to 50 10 N m (37 7 lb ft).
13 As required, use the following shims to maintain proper bearing preload:
4 270-6942 Shim Thickness of one shim 0.12 mm (0.005 inch).
1 270-6943 Shim Thickness of one shim 0.18 mm (0.007 inch).
4 270-6944 Shim Thickness of one shim 0.5 mm (0.02 inch).
- - - Clean the mounting surface. Prior to assembling the wheel group and the tandem, apply blue Loctite 5127 to the mounting surface.