CAMSHAFT AS-FR 20R6740 - Caterpillar

(1) Torque for the nut that holds the bearing in the cage ... 350 50 lb. ft.(470 70 N m)(2) Thickness of six new driving discs and seven new driven discs ... 1.785 to 1.939 in.(45.34 to 49.25 mm) Minimum permissible thickness (worn) ... 1.530 in.(38.86 mm)(3) Torque for the nut that holds the drum on the shaft ... 350 50 lb. ft.(475 68 N m)(4) Torque for bolts in the shaft with 9S3163 stud lock on threads of bolts ... 90 5 lb. ft.(122 7 N m)(5) Distance between the face of the drum and the end of the splines on the shaft ... .12 .03 in.(3.0 0.8 mm) after drum has been pushed on the shaft with a force of ... 15 to 20 ton(135 to 180 kN)(6) 6S3414 Spring: Length under test force ... 3.00 in.(76.2 mm)Test force ... 338 17 lb.(1510 76 N)Free length after test ... 4.186 in.(106.32 mm)Outside diameter ... 1.542 in.(39.17 mm)