TM5-4220-231-14&P(7)From the bottom of the base, removebolts (12), lock washers (13), and flatwashers (14). Exercise caution, dueto weight of regulator, and removeregulator from CRS.141312(8)Remove positionable elbow (2) fromregulator (1) by turning elbowcounterclockwise. Remove, cut, and2,11discard O-ring (11).b. Replace(1)Lubricate and install new O-ring (11),M83248/2-912, with siliconecompound (Item 9, Appendix D).Install elbow (2) finger-tight in newdome loaded regulator (1) by turningelbow clockwise.2(2)Lubricate and install new O-ring (9),4M83248/2-904, with silicone9compound (Item 9, Appendix D).Install adapter (4) in regulator (1)with O-ring (9) properly seatedbetween.4-88
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