ARMY TM 9-2815-256-24
AIR FORCE TO 38G1-96-2
MARINE CORPS TM 2815-24/5
a.
Install pushrods (4, FIGURE 3-118) in same location from which they were removed.
NOTE
Valve stem tips are specially hardened, wear caps are not required.
b.
Position rocker arm assembly on engine.
CAUTION
Make sure that oil supply hole of rocker arm shaft (7) faces the flywheel end of engine and faces
downward when rocker shaft is installed, to avoid engine damage.
c.
Lubricate all rocker arms (8) with engine lubricating oil (MIL-L-2104) and make sure they move freely.
d.
Position six supports (3) and secure with capscrews (1) and washers (2). Tighten capscrews to 35 ft-lbs (47 Nm).
e.
Adjust valve clearance, refer to paragraph 3-32.1.
f.
Install valve cover, refer to paragraph 3-31.2.
3-34.
CYLINDER HEAD ASSEMBLY.
3-34.1.
Removal.
a.
Drain engine coolant system, refer to end item maintenance manual.
b.
Remove air intake and exhaust system, refer to end item maintenance manual.
c.
Remove turbocharger, refer to paragraph 3-13.1.
d.
Remove intake and exhaust manifolds, refer to paragraphs 3-15.1. and 3-14.1.
e.
Remove thermostat housing, refer to paragraph 3-9.1.
f.
Remove fuel filter, refer to paragraph 3-24.2.
g.
Remove fuel injector piping, refer to paragraph 3-26.1.
h.
Remove fuel injectors, refer to paragraph 3-29.1.
i.
Remove valve cover, refer to paragraph 3-31.1.
j.
Remove rocker arm assembly and pushrods, refer to paragraph 3-33.1.
k.
If a blown head gasket is suspected, check and record each cylinder head capscrew (1, FIGURE 3-119), torque
before removing them as follows:
(1)
Make a reference mark (in-line) on head of capscrew and cylinder head surface.
(2)
Loosen capscrew at least 1/2 turn, then retighten capscrew (using a torque wrench) until reference marks
align and record torque.
I.
Remove twenty-six capscrews (1) securing cylinder head to engine block.
CAUTION
To avoid damage, do not use screwdrivers or pry bars between cylinder block and cylinder head to
loosen head-to-block gasket seal.
m.
Using lifting device, lift cylinder head (2) from block. If cylinder head sticks, use a soft hammer to tap the
cylinder head.
3-145
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