CORE AS-RADIATOR 4255950 - Caterpillar

Illustration 1 g00868699
(1) Tighten the bolts for the end cover of the balancer unit to the following torque. ... 54 N m (40 lb ft) (2) Tighten the bolts for the cover plate to the following torque. ... 30 N m (22 lb ft) (3) Tighten the nut for the drive shaft to the following torque. ... 82 N m (60 lb ft) (4) Drive shaft for the balancer group Diameter of the drive shaft for the front bearing ... 28.562 to 28.575 mm (1.1245 to 1.1250 inch) Diameter of the drive shaft for the rear bearing ... 23.787 to 23.800 mm (0.9365 to 0.9370 inch) Backlash between the drive gear and the idler gear ... 0.17 to 0.29 mm (0.007 to 0.011 inch) End play of the drive shaft ... 0.13 to 0.30 mm (0.005 to 0.012 inch) Diameter of the bore for the front bearing of the drive shaft ... 34.912 to 34.937 mm (1.3745 to 1.3755 inch) Diameter of the bore for the rear bearing of the drive shaft ... 29.972 to 29.993 mm (1.1800 to 1.1808 inch) (5) Tighten the mounting bolts to the following torque. ... 54 N m (40 lb ft) (6) Balancer weight Diameter of the bearing journal of the balancer weight ... 38.054 to 38.069 mm (1.4982 to 1.4988 inch) Inside diameter of the bearings in the balancer frame ... 38.133 to 38.174 mm (1.5013 to 1.5029 inch) Clearance between the balancer weight and the bearing ... 0.064 to 0.120 mm (0.0025 to 0.0047 inch) End play of the balance weights ... 0.19 to 0.40 mm (0.007 to 0.016 inch) Backlash of gears on the balance weights ... 0.10 to 0.27 mm (0.004 to 0.011 inch) Backlash of the drive gear to the spline on the balance weight ... 0.05 to 0.20 mm (0.002 to 0.008 inch) (7) Tighten the bolts for the engine oil pump to the following torque. ... 27 N m (20 lb ft) (8) Engine oil pump (9) Idler gear Diameter of the hub for the idler gear ... 38.09 to 38.10 mm (1.4996 to 1.5000 inch) Bore diameter of the idler gear ... 47.64 to 47.65 mm (1.8755 to 1.8760 inch) Thickness of the thrust washer for the idler gear ... 4.14 to 4.29 mm (0.163 to 0.169 inch) Idler gear end play ... 0.07 to 0.23 mm (0.003 to 0.009 inch) Tighten the bolt for the idler gear to the following torque. ... 93 N m (69 lb ft)