TM 5-4220-231-14&P
(3)
Loosen   tube    (10)   from    positionable
elbow
(9)   by  positioning
a  wrench
on
union
nut
(11)
and
turning
9
counterclockwise.
Remove,
cut,
and
discard
O-ring    (15)    between
tube
and
elbow.
10
11,15
(4)
Remove
the    hex   head
screw
(1)  and
the   center
spacer
(2)  from   the   handle
(4).
Remove
the
three
hex
head
screws
(3)  from   the   handle.
Remove
handle
(4)  and   bushing
(5).   Carefully
remove
the
neoprene
sleeve
(6).
8
Remove
hex
nut
(7)   from
regulator
housing
(8).
Retain
all
removed
3
7
parts.
6
4
5
2
(5)
Remove
valve
housing
(8)    from    the
back    of   the    panel.
Valve
housing
will
have
the    filter
(12)    and    positionable
elbow
(9)
installed
on
it.    Remove
positionable
elbow
(9)
from
valve
housing
(8)    by   positioning
a   wrench
12
on
the
elbow
nut
and
turning
counterclockwise.
Remove,
cut,    and
discard
O-ring
(16).
9,16
8
(6)
Remove
filter
(12)
from
regulator
housing
(8)   by   positioning
a   wrench
on   the
nut    of   the
positionable
union
12
(13)
and
turning
counterclockwise.
Remove,
cut,
and
discard
O-rings
21
(17),(21).
8
9
,16
124
8
13,17
4-83