TM5-4220-231-14&P
a.
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 center
body (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 the
center 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 of
center body.
b.
Reassembly
Instructions
(1)
Lubricate two new stem bearings (13) with silicone compound
(Item 9, Appendix D), and install on
the 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 is
positioned
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, and
verity 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 center
body (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 center
body (12).
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