ARMY TM 9-6115-464-34AIR FORCE TO 35C2-3-445-2NAVY NAVFAC P-8-624-343-52. INTAKE MANIFOLD.Refer to the Operator and Unit Maintenance Manual for intake manifold maintenance procedure.3-53. EXHAUST MANIFOLD.Refer to the Operator and Unit Maintenance Manual for exhaust manifold maintenance procedure.3-54. CYLINDER HEAD AND ROCKER ARM ASSEMBLY.a. Removal.(1) Refer to the Operator and Unit Maintenance Manual and remove the air cleaner assembly, mufflerand exhaust pipe assembly, intake manifold, exhaust manifold, coolant control thermostat, andinjector nozzle holder assemblies.(2) Remove nuts (1, figure 3-46) and Iockwashers (2) to remove lifting eyes (3).(3) Remove nuts (4) and washers (5) to remove rocker arm assembly (6) and push rods (7).(4) Remove nuts (8) and washers (9).CAUTIONTap cylinder head lightly with a soft hammer to loosen it. Do not pry on contactsurfaces. Failure to observe this caution could result in equipment damage. Failure toobserve this caution could cause damage to the equipment.(5) Lift cylinder head (10) from engine.(6) Remove and discard gasket (11).b. Disassembly.(1) Remove retaining rings (12) to remove mounting blocks (13, 14, and 15), spacers (16), rocker arm(17) and springs (18) from shaft (20).NOTERecord position and quantity of spacers (16) to facilitate assembly.(2) Remove adjustment screws (19).(3) Do not remove plugs (21).(4) Using a valve spring depressor, depress valve springs and remove locks (22 and 23).(5) Release valve springs and remove spring seats (24 and 25), valve springs (26 and 27), exhaustvalves (28) and intake valves (29).(6) Remove and discard bonnets (30).(7) Do not remove valve guides (31 and 32) plugs (33), studs (34), seal (35) fuel injector sleeves (36),and valve tappet (37) unless inspection reveals damage.(8) Remove side plates (18, figure 3-53) from cylinder block (16).3-110
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