TM   5-4220-231-14&P 5-4, Low    Presure (LP) Supply Valve (DACC) or  Air   Supply Valve (VTA). See Figure    5-3. This   task    covers Repair INITIAL   SETUP Tools Equipment Conditions General Mechanics Tool   Kit Remove Low   Pressure Supply     or  Volume    Tank    Supply O-ring    Installation and    Removal Tool Valve   (Para.    4-5) Materials/Parts Reference Bags,     Plastic    (Item   6,  Appendix    D) Para     3-13   Maintenance and    Reentry Control     Procedures Fastener Kit,  304-61K-63 Flange O-ring Kit,   VA70-91K-121 Isopropyl Alcohol (Item    1 or  2,  Appendix D) Valve, Ball   13229E4598 O-ring, M83248/2-111 (2) Rags, clean, lint-free (Item    15,  Appendix D) Seal    Kit, 13229E4659 Silicone Compound (Item   9,  Appendix D) Water, Distilled (Item    10,   Appendix D) Nonionic Detergent Solution (NID)  GP (Item   17,   Appendix 0) WARNING Inspect all  seating, sliding metal surfaces and   threads for   damage that might    cause leaks or   faulty operation. Replace any    defective items. CAUTION Clean non-metal parts with   clean rags (Item   15,    Appendix D)   or use isopropyl alcohol (Item 1  or   2,   Appendix D)  followed by   a thorough rinse in  clean water (Item 10,   Appendix D). Any   other solvents my cause damage to  parts. NOTE Perform in  a  clean environment. NOTE Clean metal    parts with   nonionic detergent solution (NID)   (Item    17, Appendix D).   Wipe   with   clean rags (Item   15,   Appendix D)  to   get desired level   of  cleanliness. Change 5