TM 5-4220-231-14&P
(3)
Remove tube (11) from valve body
(7) by positioning
a wrench on union
nut (12).
Turn union nut counter-
11
clockwise.
Remove, cut, and discard
12,13
O-ring (13).
7
(4)
From the front of the panel, remove
7
relief cap
nut
(1), safety
wire
assembly
(2), handle hex nut (3),
handle (4), hex nut (5), and washer
6
(6) from stem of valve (7).
,,5
4
(5)
Remove valve (7) from back of
panel.
b.
Repllace
7
(1)
Remove relief cap nut (1), safety wire
6
assembly
(2), handle hex nut (3),
5
handle (4), hex nut (5), and washer
4
(6) from the stem of the new gage
3
isolation valve (7).
2
1
A2,
1
7
0
3
2 '!(@
-6
ONe@@
4-114
