TM 5-4320-302-14
6-8. CYLINDER HEAD ASSEMBLY, ROCKER ARMS, AND TAPPETS (CONT)
Location/Item
Action
Remarks
CLEAN ING/
INSPECTION
WARNING
Severe burns, illness, or death may result if personnel fail to handle diesel fuel oil
properly. Observe the following precautions:
· Do not inhale vapor.
· Work in a well-ventilated area.
· Do not use near open flame, sparks, or excessive heat.
Death or severe injury might result when compressed air is used to blow dirt from
skin or clothing. Air entering body openings is extremely dangerous. Compressed
air used for cleaning shall not exceed 100 psi (690 kPa). Use goggles or face shield
for eye protection. Do not direct airstream against skin.
1.
Cylinder
Mount on cylinder head clamping stand No. 120900 and
head
clamping plate No. 120910. Clean with a clean cloth
dampened with VV-F-800 diesel fuel oil. Use wire brush
where necessary. Dry with compressed air. Inspect for
cracks, rust, corrosion, and excessive heat damage. Inspect
for accumulated carbon around injector spray tips. Re-
place cylinder head if it is damaged. Check that cylinder
head seat is smooth and flat. If not, measure distance
from the cylinder head bottom to cylinder head seat or
sealing surface. If the cylinder head bottom-to-cylinder
head seat distance is between 0.2283 inch (5.8 mm) and
0.2480 inch (6.3 mm), the cylinder head seat can be
smoothed and flattened by remachining. If distance is
not within the specified limits, replace cylinder head.
6-40
