TM 5-4220-231-14&P (5) Lubricate new   O-ring   (29),   M83248/2- 010,    with   silicone compound (Item   9, Appendix D), and install on positionable elbow (28). Tighten valve    (27)   to  elbow    (28)    by  turning union   nut   on   adapter clockwise. 27 30 29 28 (6) Wrap teflon    tape (Item   19,   Appendix D)   around threads of   adapter (23) which    is  attached to  relief   valve   (22). Install   O-ring   (24)   positionable elbow on   the   right   end   of  the   volume tank. 22 23 (7) Lubricate new   O-ring    (118), M83248/2- 908,   with   silicone compound (Item   9, 24 Appendix D),   and install over the threads of   positionable union (17). Install    tee (15)    in   tank by   turning union    clockwise. Ensure that   valves 14 (16)   and   positionable elbows    (13,14) were not removed from tee (15) 15 during removal procedure. 16 16 (8) Lubricate new   O-ring   (20),   M83248/2- 17 908,    with   silicone compound (Item   9, 18 3 Appendix D),   and install over the threads of   positionable union (19). Install   tee (21) in   tank    by   turning 7 union   clockwise. Positionable elbows (3,   7)   were not    removed from   tee 21 (21)   during    removal procedures. 3 9 0 20 15 1 8 ,@@3 1 9 20 4-46