TM5-4220-231-14&P
NOTE
The valve illustrated
in Figure 5-4 is one of four possible
valve
configurations.
Valve configurations
differ by handle color or by
body had (10 or 16), which may be male or female threads.
The
configuration
depends
on valve use in the SDASS.
Regardless
of the valve configuration,
each valve is identical for disassembly
and reassembly
by the procedures
listed herein.
NOTE
Perform in a clean environment
NOTE
Clean metal parts with nonionic detergent
solution (NID) (Item 17,
Appendix
D). Wipe with clean rags (Item 15, Appendix
D) to get
desired
level of cleanliness.
NOTE
Lubricate
threads
and sliding contact
surfaces
before reassembly
with halocarbon
grease
(Item 13, Appendix
D).
a.
Disassembly
instructions
(1)
Using alien wrench,
remove
set screw (3) from handle
(2), and remove
handle from end of stem
(6).
(2)
Remove hex nut (4) from body had (10).
(3)
Using allen wrench,
remove both socket head bofts (17) and hex nuts (18) from the valve assembly.
(4)
Remove body had (16) from body had (10).
(5)
Remove,
cut, and discard end piece backup ring (15), seat quad ring (11). seat (12), and end
O-ring (14).
(6)
Rotate stem (6) and remove stem ball (13) through opening on side of body halt (10).
(7)
Remove stem (6) through opening in body had (10).
(8)
Remove,
cut, and discard both stem backup
rings (7), stem O-ring (8) and the stem bearing (9)
from the stem (6).
(9)
Remove,
cut, and discard seat quad ring (11) and seat (12) from body half (10).
(10)
Remove,
cut, and discard O-ring (19) from end fittings on each body had (10, 16).
(11) Remove,
cut, and discard
stem bearing (5) from body had (10).
5-20
