TM 5-4320-302-14
6-9. VALVES, VALVE GUIDES, AND VALVE SEATS (CONT)
Location/Item
Action
Remarks
CLEANING/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.
Valves, valve
a.
Clean valves and components with VV-F-800
stems, valve
diesel fuel oil and dry with low pressure com-
rotator, com-
pressed air. Inspect for valve warpage, burning,
pression spring,
or other damage. Inspect valve stems for
spring cap, and
scratches, scuff marks, or other damage. Inspect
valve cone
valve tulips, faces, and heads for pitting, ridges,
or cracks. Check that valve joint face thickness
is no less than 0.0197 inch (0.5 mm).
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