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TM 5-4320-306-24
3-19. REPLACE CYLINDER HEAD ASSEMBLY, ROCKER ARMS, PUSHRODS, AND TAPPETS (Continued)
8.
Remove cap (1) and compression spring (2) from cover tube (3)
9.
Remove washers (4)
CLEANING/INSPECTION:
WARNING
Death or serious injury could occur if diesel fuel oil is not handled carefully. Use in a well-
ventilated area away from open flame, arcing equipment, ignition sources, heaters, or excessive
heat. Always store fuel in proper, marked containers. DO NOT SMOKE.
Death or serious injury could occur if compressed air is directed against the skin. Do not use
compressed air for cleaning or drying unless the pressure is/has been reduced to 30 psi (2.11
kgcm2) or less. When working with compressed air always use chip guards, eye protection, and
other personal protective equipment
1.
Clean cylinder head, intermediate ring, cover, rocker arms, pushrods, cover tubes, tappets, and associated parts
with a clean cloth dampened with diesel fuel oil. Use wire brush where necessary. Dry with compressed air
Inspect for cracks, rust, corrosion, and excessive heat damage. Inspect cylinder head for carbon buildup near
injector area.
2.
Inspect bolt holes for chipped or cracked edges Check that cylinder head seat is smooth and flat. Replace
cylinder head assembly if it is excessively worn or damaged and refer unit to general support for repair
3-102
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