TM 5-4220-231-14&P (2) Wrap teflon    tape (Item     19,   Appendix D) over    threads of  gage     stem. Lubricate new O-ring (3), M83248/2-904, with     silicone compound (Item    9,  Appendix D)  and    install on   end    of  stem. (3) Install    snubber (4)  on   gage     stem. 3 4 (4) Position gage through hole     from    front    of panel. (5) Install    and    secure mounting bracket (2)   to gage (1)  with   two    hex    nuts    (8). Position wrench on   each nut   and   turn    clockwise. 8 2 8 (6) Lubricate new     O-ring     (7),    M83248/2-113, with   silicone compound (Item    9,  Appendix D)  and    install   on   snubber (4).    Wrap    teflon tape     (Item    19,   Appendix D)  over   threads of 4 snubber, being    careful not   to   cover     O-ring. (7) Position and   tighten    tube    (6)  to  snubber (4). Position wrenches on union nut and snubber and   turn    union    nut   (5)  clockwise. A 6 5 (8) Apply    pressure to    DAM Leak-test with nonionic     detergent solution (NID)  GP    (Item 17, Appendix D). Correct leaks as necessary. (9) Reinstall and   secure the    DACC    panel     in the DACC case with all     securing screws. Replace and    secure case     front    cover     over DACC     panel. *8 (10) Complete Reentry Control     Report     and    log. 3-25