HUB-REACTION 2847926 - Caterpillar

(1) 1V8280 Plate thickness: New ... .250 .003 in.(6.35 0.08 mm)(2) 1V8279 Disc Thickness: New ... .195 .003 in.(4.95 0.08 mm)(3) Nine discs and eight plates (all new) ... 3.755 .051 in.(95.38 1.30 mm) Minimum thickness (worn plates and discs) ... 3.604 in.(91.54 mm)(4) 7S3997 Spring for activating brake: Length under test force ... 2.730 in.(69.34 mm)Test force ... 875 70 lb.(3895 310 N)Free length after test ... 3.258 in.(82.75 mm)Outside diameter ... 1.688 in.(42.88 mm)(5) Put a thin layer of lubricant on lip of seal.(6) Bore in housing for release piston ... 2.2505 .0005 in.(57.163 0.013 mm) Outside diameter of release piston ... 2.2480 .0005 in.(57.099 0.013 mm)(7) 7S3999 Spring for brake release piston: Length under test force ... .66 in.(16.8 mm)Test force ... 27.2 2.2 lb.(121 10 N)Free length after test force ... 1.159 in.(29.44 mm)Outside diameter ... 2.197 in.(55.80 mm)