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TM 5-4320-305-24
4-7. REPLACE/REPAIR VALVES, VALVE GUIDES, AND VALVE SEATS (Continued)
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 valves (1), compression springs (2), snap rings (3), valve cones (4), and spring caps (5) with diesel fuel oil and
dry with low pressure compressed air. Inspect for valve warpage, burning, or other damage.
2
Inspect valve stems (6) for scratches, scuff marks, or other damage.
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