TM 5-4220-231-14&P(3)Remove tube (5) from positionable5elbow (8) by positioning a wrench onthe union nut (6) and a wrench on6,7the elbow (8).Turn union nutcounterclockwise. Remove, cut, anddiscard O-ring (7) from positionableelbow.8(4)From the front of the panel, use an9allen wrench to loosen set screw (11)from handle (10). Remove handlefrom stem of valve (1). Remove hex10nut (9) from valve.Retain allremoved parts. Remove valve (4)with attached fittings from back of1panel.(5)Remove valve (1) from positionable1union (12).Remove, cut, anddiscard O-ring (13) from positionable-13union.1214(6)Remove relief valve (15) from tee(14).156,78@13124-39
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