DISTRIBUTION AR 3966820 - Caterpillar

(1) Thickness of 6Y2084 Friction (Brake) Disc (new) ... 9.10 0.13 mm (.358 .005 in) Minimum permissible friction material thickness (depth of oil groove) average ... 7.65 mm (.301 in) Continued use of the disc past this point will result in accelerated wear.Do not use again lining thickness is given because of "easy on-machine" inspection at inspection port plugs (12). Disc color by itself can not be used as a Use again - Do not use again criterion. Overall thickness and groove depth measurements are more important. (2) Diameter of planet shaft ... 44.397 0.008 mm (1.7479 .0003 in)(3) Inside Diameter of planetary gear ... 57.127 0.010 mm (2.2491 .0004 in)