TM 5-4220-231-14&P
(3)
Loosen
and
remove
tube
(12) from
tailpiece
(13) on regulator
housing
(8)
by positioning
wrenches
on union
nut
(14)
and
tailpiece
(13)
and
turning
counterclockwise.
Remove,
cut,
and
discard
O-ring
(16).
8
12
13
16
14
(4)
At
front
of
panel,
remove
the
following
regulator
parts
from
the
regulator
housing
(8):
Hex
head
screw
(1), center
spacer
(2), three
hex
head
screws
(3),
handle
(4),
8
bushing
(5),
neoprene
sleeve
(6),
and
hex nut (7).
3
7
6
4
5
2
1
(5)
Remove
regulator
housing
from
the
rear
of front panel.
Remove
cut and
discard
O-ring
(18).
9
(6)
Remove
tailpieces
(9,13)
from
regulator
housing
by positioning
a
wrench
on each
and turning counter-
clockwise.
Remove,
cut, and discard
17
O-rings
(17,15).
8
15
3
I @t)"77
4-79
