Figrue 7-30. Installing camshaft intercylinder hose flange bolts

c. Install Rocker Arm Covers. T h e

camshaft

lobes (cams) for cylinder No. 1R must be down

towards crankshaft, so valve rocker arm rollers

a r e on base circle of camshaft as shown in figures

7-27 and 7-28 before installing rocker arm cover.

The

identification

number

stamped

rocker

arm cover must match the number stamped on

cylinder assembly (fig. 5-105). Rocker arm

covers must always be installed on their mating

cylinder

assemblies.

Note. For

instructional

purposes.

installation

of rocker arm cover for cylinder No. 1R is used.

Remaining

covers

are

installed

the

same

manner.

(1) Remove protective cover from fuel

injector nozzle and holder opening in cylinder

assembly. Apply a light film of sealing com-

pound (MIL-C-10523 Ord.) to valve rocker arm

cover and install cover. Refer to figure 5-109 and

torque tighten four bolts to 275 to 325 pound-

inches. Refer to figure 5-108 and torque tighten

all bolts and cap screws to 100 pound-inches.

(2) Set valve clearance of No. 1R intake

valve to 0.010-inch using thickness gage blade -

5210-793-7898 as shown in figure 7-22.

(3) Set valve clearance of No. 1R exhaust

valve to 0.025-inch using thickness gage blade -

5210-793-7899 as shown in figure 7-23.

(4) Rotate crankshaft as necessary to

position camshaft lobes (cams) in downward

position (figs. 7-27 and 7-28) as each of the

remaining valve rocker arm covers are installed.

7-22