ARMY TM 9-2815-253-24
AIR FORCE TO 38G1-93-2
MARINE CORPS TM 2815-24/3
Tighten nut (5) to 25 ft-lbs (33.9 Nm).
Repeat above steps a thru d, for remaining pushrods and rocker levers.
Wait for up to 90 seconds on a new tappet or up to 45 minutes on a used engine for the hydraulic tappet to bleed
Do not force crankshaft to rotate if rotation is not free easy movement. This will prevent engine
damage If a piston comes In contact with valve.
Check for bleed down by rotating pushrods. If a pushrod rotates after the respective valve has
dosed, that hydraulic tappet has bled down.
Manually turn the crankshaft very slowly, checking that all pushrods will rotate after their respective valve has
3-27. CYLINDER HEAD ASSEMBLY.
Remove intake manifold. Refer to paragraph 3-6.1.
Remove exhaust manifold. Refer to paragraph 3-7.1.
Cap all fuel line connections that have been opened to prevent contamination of fuel system.
Remove fuel injector pipes. Refer to paragraph 3-18.1.
Remove fuel injectors. Refer to paragraph 3-17.1.
Remove four nuts (1, FIGURE 3-28) securing lifting eyes (2); remove lifting eyes (2).
Remove cylinder covers. Refer to paragraph 3-25.1.
Remove rocker levers and pushrods. Refer to paragraph 3-26.1.
There are three types of cylinder head bolts used. Note location of these for proper location during
Remove four bolts (3), four bolts (4), and eight washers (5). Refer to FIGURE 3-27 and remove eight bolts (7)
and spacers (8).
Check old gasket for number of identification holes; (i.e., one, two or three) This will aid installation.
Lift off cylinder head (6, FIGURE 3-28) and gasket (7). Discard gasket.