BEAM AS 4493991 - Caterpillar

Illustration 1 g02266473
Typical example
(1) Washer (2) Circlip (3) Rocker arm bore Diameter of the rocker arm bore for the bushing ... 25.01 to 25.05 mm (0.9847 to 0.9862 inch)Rocker arm bushing Clearance between the rocker arm bushing and the rocker shaft ... 0.03 to 0.09 mm (0.0010 to 0.0035 inch)Maximum permissible clearance between the rocker arm bushing and the rocker shaft ... 0.17 mm (0.007 inch) (4) Rocker arm (5) Rocker shaft Diameter of the rocker shaft ... 24.96 to 24.99 mm (0.9827 to 0.9839 inch) (5) In order to install the rocker shaft assembly, ensure that the machined square is to the top of the rocker shaft. (6) Locknut Torque for the locknut ... 27 N m (20 lb ft) (7) Tighten the bolts to the following torque. ... 35 N m (26 lb ft)
Illustration 2 g02266475
Typical example
Note: The shaft has a seat that has been cut into the top of the shaft for the bolt head.Note: Refer to illustration 2, in order to tighten the bolts in the correct sequence. (8) Spring