TM 5-4320-302-145-21.VALVES, VALVE GUIDES, AND VALVE SEATS (CONT)Location/ItemActionRemarks3.Valve cones, spring caps,Remove from cylinder head.compression springs,valve rotators, inletvalve, and exhaustvalveCLEANING/INSPECTIONOF VALVESWARNINGDry cleaning solvent is flammable and potentiallydangerous to people and property. Do not use nearopen flame, sparks, excessive heat, or on hot surfaces.Flash point of P-D-680 solvent is 100° to 138°F (38° to59°C). Use solvent in a well-ventilated area, and avoidinhaling fumes. If repeatedly exposed to fumes, seekfresh air and immediate medical help. Avoid prolongedexposure of skin to solvent. Wash exposed skinimmediately and thoroughly. Death or severe injurymight result when compressed air is used to blow dirtfrom skin or clothing. Air entering body openings isextremely dangerous. Compressed air used forcleaning shall not exceed 100 psi (690 kPa). Usegoggles or face shield for eye protection. Do not directairstream against skin.4.All valveClean with P-D-680 dry cleaning solvent andcomponentsdry with compressed air.5-95
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