Figure 3-30. Checking fuel injector tip concentricity.

TM 10-3930-242-34

Figure 3-30. Checking fuel injector tip concentricity.

(2) Refer to figure 3-31 and remove rocker

( 3 ) Inspect rocker arms for cracks, breaks,

a r m s and push rod.

a n d other damage. Examine bearing surfaces of

c. Disassembly. Refer to figure 3-32 and dis-

the rocker arms for excessive wear and scoring.

a s s e m b l e rocker arms and push rods.

R e p l a c e damaged or defective rocker arms.

(4) Inspect rocker arm shaft for wear, scor-

d. Cleaning and Inspection.

ing, and ridges from the action of rocker arms on

(1) Clean all parts thoroughly, using a sol-

the shaft. Replace a damaged or defective

vent such as P-D-680, or equal. Dry thoroughly.

r o c k e r arm shaft.

( 2 ) Clean all lubrication oil passages with

( 5 ) Inspect push rods for warpage, cracks,

c o m p r e s s e d air.