BODY-PISTON 7S3170 - Caterpillar

Illustration 1 g00274361
Note: Lubricate plate (1) , disc (2) , and seals (3) for assembly. Use the lubricant that is being used in the final drive for this purpose. Complete the lubrication for each service brake group. (1) Thickness of a new 9C-6329 Plate ... 16.0 mm (.63 inch) (2) 6Y-2082 Friction Disc : Thickness of a new 6Y-2082 Friction Disc ... 9.10 .13 mm (.358 .005 inch) Minimum permissible average thickness of friction material ... 7.65 mm (.301 inch) Minimum depth of oil groove ... 0.32 mm (.013 inch) (4) Thickness of a new 4E-2168 Piston ... 42.2 mm (1.66 inch) (5) 4E-2167 Spring : Length under test force ... 20.50 mm (.807 inch) Test force ... 292 N (66 lb) Free length after test ... 26.22 mm (1.032 inch) Outside diameter ... 22.47 mm (.885 inch)