SEAL AS-WATER PUMP 2624378 - Caterpillar

Illustration 1 g03330574 (1) Snap ring (2) O-ring (3) Rocker arm (4) Rocker arm bore and Rocker arm bushing (5) Spring (6) Bolt (7) Rocker shaft (8) Rocker shaft assembly (9) Locknut
Table 1
Specifications for the Rocker Shaft
Callout Quantity Part Specification Description
4 - 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)
6 - Bolt Note Install the longest screw at the front of the rocker shaft assembly.
Tighten the bolts evenly. Begin in the center and work toward the outside. Tighten the bolts to the following torque. 35 N m (26 lb ft)
7 - Rocker shaft Note The shaft has a seat that has been cut into the top of the shaft for the bolt head.
Diameter of the rocker shaft 24.96 to 24.99 mm (0.9827 to 0.9839 inch)
8 - Rocker shaft assembly In order to install the rocker shaft assembly, ensure that the machined square is to the top of the rocker shaft.
9 - Locknut Torque for the locknut 27 N m (20 lb ft)