TM5-4220-231-14&Pa.Disassembly Instructions(1) Loosen and remove stem nut (2) from stem (14).(2)Remove stem spring (3) from stem (14). Discard stem spring.(3)Remove name plate (4), stop plate (5), and handle (6) from stem (14).(4)Remove grounding spring (7) from stem (14).(5)Remove stem nut (2), two stem springs (3). gland (8), packing support (9), and top packing (10)from stem (14). Discard stem nut (2), both stem springs (3), gland (8), and packing support (9).(6)Remove each of the four body nuts (22) from the four body bolts (21). Remove the four bob (21)from the valve assembly.(7)Remove, cut, and discard each O-ring (23) from the end of each flange (20).(8)Remove the flange (20) from one side of the center body (112).(9)Remove flange O-ring (19), seat spring (18), seat (17), and the support ring (16) from the centerbody (12). Cut and discard flange O-ring (19) and seat (17). Discard seatspring (18).(10) Repeat steps 8 and 9 for the opposite side on the center body (12).(11) Remove ball (15) from stem (114).(12) Remove stem (14) from the center body (12) through one of the large holes on the side of thecenter body.(13) Remove and discard both stem bearings (13) from the stem (14).(14) Remove bottom packing (11) from center body (12) through one of the openings in the side ofcenter body.b.Reassembly Instructions(1)Lubricate two new stem bearings (13) with silicone compound (Item 9, Appendix D), and install onthe stem (14).(2)Install bottom packing (11) in stem hole center body (12) through opening in side of center body.(3)Install stem (14) through opening in center body (12) and bottom packing (11), and verify stem ispositioned correcdy in center body.(4)Insert and install ball (15) on end of stem (14) in the center body (12). Turn stem (14) by hand, andverity ball (15) is seated correctly in center body (12).(5)Lubricate flange O-ring (19) with silicone compound (Item 9, Appendix D). Install support ring (16),new seat (17), new seat spring (18), new flange O-ring (19), and flange (20) on one side of centerbody (12).Hold flange (20) in proper position while completing steps (5) and (6).(6)Install the four body bolts (21) through the four holes in the flange (20) on each side of the centerbody (12).5-16
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