SECOND
STAGE
DISASSEMBLY
NOTE:
Be
sure
to
check
and
record
the
intermediate
pressure
prior
to
disassembling
the
Explorer
BOV.
Review
the
Troubleshoo ng
sec on
to
be er
understand
which
internal
parts
may
need
replacing,
and
to
be er
advise
the
customer
of
the
service
required.
1.
Snip
the
plas c
ty
‐
strap
(21)
that
holds
the
mouthpiece
(27)
,
and
remove
the
mouthpiece
(27)
.
Inspect
the
condi on
of
the
mouthpiece
(27)
to
ensure
that
it
is
supple
and
free
of
any
tears
or
corrosion.
Discard
if
found.
2.
Remove
the
LP
hose
from
the
Second
Stage,
using
an
11/16"
open
end
wrench,
while
holding
the
Hex
por on
of
the
coupling
(2)
secure
with
a
3/4"
open
end
wrench.
CAUTION:
Ensure
the
Regulator
is
free
of
sand
when
removing
the
COVER
RING
(30).
3.
Turning
counterclockwise,
remove
the
cover
ring
(30)
(Fig.
21)
.
Then
li
the
purge
cover
(31)
and
inner
ring
(32)
to
expose
the
diaphragm
(21)
.
4.
Grasp
the
diaphragm
(21)
by
the
raised
edges
of
the
center,
and
gently
li
it
out
with
a
slight
upward
twist
to
remove
(Fig.
22)
.
Inspect
the
diaphragm
(21)
to
ensure
it
is
supple
and
free
of
any
tears,
corrosion,
or
other
distor on.
Discard
if
found.
5.
Depress
the
lever
(9)
.
While
holding
it
down,
remove
the
coupling
(2)
in
a
counterclockwise
direc on
using
a
3/4"
open
end
wrench
(Fig.
23).
Remove
the
coupling
O
‐
ring
(19)
from
the
coupling
(2)
and
inspect
for
any
signs
of
decay.
Discard
if
found.
6.
Using
a
narrow
slo ed
blade
screwdriver,
remove
the
ori
fi
ce
(3)
by
turning
it
counter
clockwise
inside
the
coupling
(2)
.
When
it
has
disengaged
completely
from
the
threads,
press
it
out
with
the
use
of
a
co on
swab.
Use
cau on
to
avoid
nicking
or
scratching
the
delicate
knife
edge
of
the
ori
fi
ce
(3)
as
this
is
done.
Remove
and
discard
the
ori
fi
ce
O
‐
ring
(17)
.
Inspect
the
ori
fi
ce
(3)
carefully
with
the
use
of
a
magni
fi
er
to
ensure
that
it
is
perfectly
free
of
any
scoring
or
nicks.
If
found,
discard
and
DO
NOT
a empt
to
reuse
it.
Figure 21
Figure 22
Figure 23
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