C0.5 , C0.7 , C1.1 , C1.5 , C1.6 and C2.2 Industrial Engines Caterpillar

Illustration 1	g01335378
Typical example

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

(1) Tighten the setscrews for the housing of the rocker shaft to the following torque.

C0.5 and C0.7 ... 10 N·m (89 lb in)

C1.1 and C1.6 ... 10 N·m (89 lb in)

C1.5 and C2.2 ... 10 N·m (89 lb in)

(2) Tighten the nuts for the housing of the rocker shaft to the following torque.

C0.5 and C0.7 ... 10 N·m (89 lb in)

C1.1 and C1.6 ... 23 N·m (17 lb ft)

C1.5 and C2.2 ... 33 N·m (24 lb ft)

(3) Housing for the rocker shaft assembly

Illustration 2	g00819413

(4) Rocker shaft

C0.5 and C0.7

Diameter of the rocker shaft ... 9.95 to 9.968 mm (0.3917 inch to 0.3924)

Service limit ... 9.87 mm (0.3886 inch)

C1.1 and C1.6

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)

C1.5 and 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)

(5) Stud

Illustration 3	g00819419

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

(7) Adjustment screw for the rocker arm

(8) Rocker arm

(9) Rocker arm clearance on the rocker shaft

C0.5 and C0.7

Minimum permissible clearance ... 0.032 to 0.065 mm (0.00126 to 0.00260)

C1.1 and C1.6

Minimum permissible clearance ... 0.032 to 0.068 mm (0.00126 to 0.00268 inch)

C1.5 and 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)