CONE-BEARING 4537903 - Caterpillar

Illustration 1 g00987750
Checking the end play of the camshaft
(1) End play of a camshaft ... 0.126 to 0.558 mm (0.0050 to 0.0220 inch)Maximum permissible end play of a worn camshaft ... 0.62 mm (0.0244 inch)
Illustration 2 g01195129
Typical example
(2) BoltTighten the 8.8 grade bolt to the following torque. ... 95 N m (70 lb ft)Tighten the 10.9 grade bolt to the following torque. ... 120 N m (89 lb ft) (3) The diameters of the camshaft journals are given in the following tables.
Table 1
Camshaft Journals Standard Diameter
1 50.711 to 50.737 mm (1.9965 to 1.9975 inch)
2 50.457 to 50.483 mm (1.9865 to 1.9875 inch)
3 50.203 to 50.229 mm (1.9765 to 1.9775 inch)
4 49.949 to 49.975 mm (1.9665 to 1.9675 inch) Maximum wear on the camshaft journals ... 0.05 mm (0.0021 inch)Check the camshaft lobes for visible damage. If a new camshaft is installed you must install new lifters.