TM 5-4220-231-14&P
(3)
Loosen
tube
(7)
from
positionable
elbow
(2) by positioning
a wrench
on
union
nut
(3)
and
turning
counter-
clockwise.
Remove,
cut, and discard
O-ring (10).
2
7
3,10
(4)
Remove
tube
(5) between
the dome
loaded
regulator
and
the
primary
5
6,8
regulator
by positioning
a wrench
on
the union nut (6) on each
end of tube
(5) and
turning
union
counterclock-
wise,
as shown.
Remove,
cut, and
discard
O-ring (8) at each
end.
(5)
Remove
adapter
(4) from
regulator
(1) by
positioning
a wrench
on the
4,9
nut
and
turning
counterclockwise.
Remove,
cut, and
discard
O-ring
(9).
(6)
Remove
the
two hex
socket
bolts,
which
are
installed
through
the
flat
support
to the regulator,
from the top
of the
regulator.
Replace
both
bolts
in top of regulator.
'9
4-87
