C2.2 Engine and C1.5 Generator Set Caterpillar


Rocker Shaft

Usage:

C1.5 NCA



Illustration 1g01335177

Note: Before assembly, lubricate the components with clean engine oil.

(1) Tighten the nuts for the housing of the rocker shaft to the following torque. ... 33 N·m (24 lb ft)

(2) Tighten the bolts for the housing of the rocker shaft to the following torque. ... 10 N·m (88 lb in)

(3) Housing for the rocker shaft assembly




Illustration 2g01335178

(4) Seal




Illustration 3g01335180

(5) Rocker shaft

C1.5
Diameter of the rocker shaft ... 11.65 to 11.67 mm (0.4587 to 0.4595 inch)
Service limit ... 11.57 mm (0.4555 inch)
C2.2
Diameter of the rocker shaft ... 14.95 to 14.97 mm (0.5886 to 0.5894 inch)
Service limit ... 14.87 mm (0.5854 inch)

(6) Stud




Illustration 4g01335179

(7) Tighten the locknut to the following torque. ... 14 N·m (10 lb ft)

(8) Adjustment screw for the rocker arm

(9) Rocker arm

(10) Rocker arm clearance on the rocker shaft

C1.5
Minimum permissible clearance ... 0.032 to 0.068 mm (0.00126 to 0.00268 inch)
C2.2
Minimum permissible clearance ... 0.030 to 0.093 mm (0.00120 to 0.00366 inch)
Maximum permissible clearance (All models) ... 0.2 mm (0.008 inch)
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