MOUNTING GP-ENGINE 1636965 - Caterpillar

(1) Dimension between the face of the hub and the shoulder of the shaft after the hub is pushed onto the shaft with a pressure of 35 to 40 tons (310 to 355 kN) ... .12 .03 in.(3.0 0.8 mm)(2) Torque for the bolts that hold the drum to the hub ... 200 20 lb. ft.(270 25 N m)(3) Thickness of 16 new disc assemblies and (15) new discs ... 4.108 to 4.542 in.(104.34 to 115.37 mm) Minimum thickness (worn) ... 3.750 in.(95.25 mm)Thickness of one new 8S2174 Disc Assembly ... .178 to .192 in.(4.52 to 4.88 mm)Thickness of one new 2M8912 Disc ... .084 to .098 in.(2.13 to 2.49 mm)(4) Torque for nut ... 900 100 lb. ft.(1220 135 N m)(5) 2M6910 Spring (outer): Length under test force ... 5.532 in.(140.51 mm)Test force ... 433 to 479 lb.(1925 to 2130 N)Free length after test ... 9.18 in.(233.2 mm)Outside diameter ... 2.75 in.(69.9 mm)(6) 2M6911 Spring (inner): Length under test force ... 5.352 in.(135.94 mm)Test force ... 225.9 to 249.7 lb.(1005 to 1111 N)Free length after test ... 9.00 in.(228.6 mm)Outside diameter ... 1.94 in.(49.3 mm)