TM 5-4220-231-14&P
a.
Disassembly Instruction
(1)
Remove
acorn nut (2), lock washer (3), and handle
(4) from end of stem assembly
(12).
(2) Remove
panel nut (5) from bonnet (9).
(3) Remove
gland nut (6) from bonnet (9).
(4) Remove
retainer (7) and packing (8) from bonnet
(9). Cut and discard packing (8).
(5) Remove,
cut, and discard
backup ring (10) and O-ring (11) from bonnet (9).
(6) Remove
seal (13) from bonnet (9).
(7) Remove stem assembly
(12) from bonnet (9).
b.
Reassembly
Instructions
(1) Install stem assembly
(12) in bonnet (9).
(2) Install seal (13) in bonnet (9).
(3) Lubricate
O-ring with silicone compound
(Item 9, Appendix
D) and install new backup ring (10) and O-
ring (11) on bonnet (9).
(4) Install new packing (8) in bonnet (9), over stem assembly
(12).
(5) Install retainer (7) in bonnet (9) over stem assembly
(12).
(6) Install panel nut (5) on bonnet (9).
(7) Install gland nut (6) on bonnet (9).
(8) Install handle (4), lock washer
(3), and acorn nut (2) on exposed
end of stem assembly
(12).
(9) Conduct
operational
tests to ensure
proper function
of shutoff valve cartridge
with handle.
(10) After testing, seal shutoff valve cartridge
with handle (1) and new O-ring (14) in a clean plastic bag (Item
6, Appendix
D). Package
in a second
plastic bag (Item 6, Appendix
D) with a tag between
inner and
outer bag bearing
the following information
readable
from the outside:
Part No.: 13229E4571
CAGE: 97403
Nomenclature:
Shutoff Cartridge
Valve with Handle
5-56
Change
1
