TM 5-4220-231-14&P
(3)
Loosen tube (10) from valve (1) by
positioning
a wrench on union nut (8)
10
and
turning
nut
counterclockwise.
8,9
Remove,
cut and discard
O-Ring (9).
Loosen
coupler
(11)
from
the
opposite
side
of the valve (1) by
positioning
a wrench
on union
nut
(12)
and
turning
nut
counter-
clockwise.
Remove,
cut, and discard
O-ring (13).
12,13
11
14
15
(4)
Remove
valve
(1)
attached
to
brackets
(16) from back of panel by
16
removing
the four screws
(14) and
flat washers
(15) with an
allen
wrench.
17
16
(5)
Remove
the
two
nuts,
(18) from
bolts/studs
(17) and remove
the two
valve brackets
(16) from valve (1).
1
Replace
bolts and nuts on valve.
16
18
7
6
b.
ReRlace
5
(1)
Remove
and
retain
the
following
4
parts
from the
new
supply
valve:
stem nut (2), stem spring (3), name
plate (4), stop plate (5), handle
(6),
and
grounding
spring (7).
2
4-49
