TM 5-4310-379-144-36.Fixed 30 Gallon Air Receiver Fittings and Valves (Cont)(2)Valve. (figure 4-54)(a)Remove reducer. See para. 1 above.(b)Open valve (1) and release air pressure in receiver (2).WARNINGCleanliness is imperative in maintaining and handling diving air system components. All toolsand parts must be kept free of oil, grease, rust, or other contamination in accordance withaccepted army diving cleaning procedures. Foreign substances within an assembly could resultin equipment failure and possible injury or death to personnel.Ensure that all air lines and components removed or openings into the air system that providesbreathing air are covered with a plastic bag and secured with a rubber band or taped shut. Smallcomponents should be stored in a plastic bag and sealed. Failure to do so will cause air system tobecome contaminated and could result in injury or death to the diver.(c)Remove valve (1).WARNINGLeave 1 1/2 threads exposed on fitting when applying teflon tape. This will ensure that no teflontape will hang down inside the air system. Teflon tape should be wrapped in such a manner thatwhen the fitting is tightened the tape will not loosen. Failure to wrap teflon tape correctly mayresult in contamination or blockage of the air system and subsequent possible injury or death tothe diver.(d)Apply teflon tape to threads onnipple (3).(e)Install valve (1).(f)Close valve (1).(g)Install reducer. See para. 1 above.4-128
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