REMOVAL OF ROCKER ARMS, ROCKER ARM PUSH RODS, AND VALVE TAPPETS

FIGURE 268. REMOVING OR INSTALLING INTAKE MANIFOLD GASKET

AND ROCKER ARMS.

132. REMOVAL OF ROCKER ARMS, ROCKER

ARM PUSH RODS, AND VALVE TAPPETS

a. General. After removing the cylinder head

covers (par. 130) the rocker arms and rocker

arm push rods are accessible at the top of the

cylinder heads. The valve tappets can be removed

through the tappet cover openings on the left

side of the engine when the rocker arm push

rods have been removed.

b . Removal. Remove rocker arms, rocker

arm push rods, and valve tappets as follows.

(1) Figure 268. (A) Remove and discard

intake and exhaust manifold gaskets.

(B) Loosen rocker arm adjusting screw

lock nuts and turn adjusting screws to

release valve spring tension before re-

moving cap screws. (C) Remove twelve

3/8 x 2-1/2 cap screws and 3/8-inch

lock washers securing front and rear

rocker arms to front and rear cylinder

head assemblies. (D) Remove front and

rear sets of rocker arms.

(2) Refer to figure 269 and remove rocker

FIGURE 269. REMOVING OR INSTALLING

ROCKER ARM PUSH RODS.

arm push rods.

168