Figure 5-111. Removing or installing right camshaft gear housing cover.

Note. Before removing rocker arm cover bolts

(B) the tension on valve rocker arm, caused by

valve springs, must be released. Turn engine (fig.

5-91) until valve rocker arm rollers are on

c a m s h a f t base circle or until both valves are

c l o s e d to relieve tension before removing any

cover.

Remove

1. Check both cylinder No. 1 R valve rocker arms by

moving arms (A) up and down. If clearance cannot be

felt, turn engine until clearance is evident. When

clearance is felt between botb adjusting screw pads and

valve stems, the rocker arm rollers are on the camshaft

base circle, and valves are completely closed.

2. Remove remaining four bolts (B) and four packings

Remove

with retainers. Remove rocker arm covers as shown in

1. Remove six drilled hex-head bolts (A) and flat

figure 5-110. Remove remaining 11 covers in tbe same

washers.

manner.

2. Remove right camshaft gear housing cover (B).

Install

1. Install four new packings with retainers on four bolts

1. Position right camshaft gear housing cover (B) on

(B).

camshaft g-ear housing.

2. Install four bolts (B) securing rocker arm covers.

2. Install six drilled hex-head bolts (A) and flat washers

securing cover.

Figure 5-109. Checking valve clearance

Figure 5-111. Removing or installing right

before removing valve rocker arm covers

camshaft gear housing cover.

and removing or installing remaining

cover bolts.

5-65