Figure 3-31. Rocker arms and push rods, removal and installation

TM 10-3930-242-34

Figure 3-31. Rocker arms and push rods, removal and in-

stallation.

b r e a k s , and other damage. Replace damaged or

cam follower to be assured that the cam roller

d e f e c t i v e push rods.

w i l l receive proper lubrication.

( 6 ) Inspect the springs and rocker arm sup-

(9) Check the cam follower roller for smooth

p o r t for cracks, breaks, and other damage. Re-

p l a c e damaged or defective parts.

and free turning on its pin. Check for flat spots

o r scuffed marks.

(7) Inspect cam follower holes, in the cylin-

d e r head, to make sure they are clean, smooth

( 1 0 ) Measure the total clearance between

a n d free of score marks to permit proper func-

the roller bushing and pin, crosswise of pin (fig.

t i o n i n g , Inspect cam follower and cam follower

3-34). If bushing is worn to the extent that more

t h a n 0.010 inch diametric clearance exists, re-

p l a c e follower assembly or install a cam roller

(8) Check cam follower-to-cylinder head

and pin. Check total side clearance between rol-

clearance. This clearance should not exceed

l e r and follower; this clearance should not be

0 . 0 0 6 inch with used parts. If replacement of

less than 0.015 inch nor more than 0.023 inch.

c a m followers is necessary, use the correct type