CYLINDER HEAD REPAIR (CONT) -726030058

TM 9-2320-360-34-2

(23) Remove eight screws (28), four covers (29), and

gaskets (30) from top of cylinder head (1).

d. Inspection

NOTE

Maximum cylinder head warpage

along lines 1 thru 5 is 0.004 In. (0.101

mm). Maximum warpage along lines

6 thru 11 is 0.008 in.'(0.200 mm).

(1) Inspect bottom of cylinder head (1) for warpage

using straight edge and feeler gage.

(2) Replace cylinder head (1) if warpage exceeds

specifications.

(3) Inspect cam follower bores (2) In cylinder head

(1) for scoring or wear.

(4) Clean light score marks on cam follower bores

(2) using crocus cloth moistened with diesel fuel.

NOTE

Standard diameter of cam follower

bore is between 1.062 in. (26.975

mm)

and

1.063

(27.000

mm).

Maximum bore diameter is 1.065 in.

(27.051 mm).

(5) Measure inside diameter of cam follower bores

(2).

Replace cylinder head (1) if any cam

follower bore failed inspection.

19-43