C3.3 Industrial Engine Caterpillar

Illustration 1	g01419383

(1) Snap ring

(2) Washer

(3) Rocker arm

(4) Rocker arm bore

Diameter of the rocker arm bore for the bushing ... 25.013 to 25.051 mm (0.9848 to 0.9863 inch)

Rocker arm

Clearance between the rocker arm and the rocker shaft ... 0.026 to 0.089 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)

(5) Spring

Note: Install the longest screw at the front of the rocker shaft assembly.

(6) Tighten the screws evenly. Begin in the center and work toward the outside. Tighten the screws to the following torque. ... 35 N·m (26 lb ft)

(7) Rocker shaft

Diameter of the rocker shaft ... 24.962 to 24.987 mm (0.9828 to 0.9837 inch)

(8) 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)