TM 5-4220-231-14&P (3) Lubricate   new  O-ring  (5),  M83248/2- 210,   with  silicone compound (Item   9, Appendix D). Place    new   O-ring   (5) over   threads of  connector (2). (4) Install connector (2)   in   filter (1). Place wrenches, and    turn   connector clockwise. 5₂ (5) Lubricate new    O-ring    (6),   M83248/2- 908,   with   silicone compound (Item   9, Appendix D)  and place O-ring over threads on    positionable, union (3). (6) Install positionable union (3) in regulator. Position wrench, and   turn union clockwise. (7) Replace secondary HP IN   shutoff globe valve IAW procedures contained in  4-26   b. (8) Apply pressure to   CRS. Leak-test with nonionic detergent solution (NID)   GP    (Item 17,   Appendix D). Correct leaks as   necessary. (9) Complete Reentry Control Report and Log. 5 A6 4-104