SECTION 8—P.E. VALVE
Perfecto
2
™
V
42
Part No 1164934
SECTION 8—P.E. VALVE
Replacing P.E. Valve
DANGER
To
prevent
electrical
shock,
ALWAYS
disconnect
concentrator
from
electrical
outlet
before
servicing.
NOTE:
For
this
procedure,
refer
to
FIGURE 8.1
on
page 43.
1. Unplug
unit.
2. Remove
cabinet.
Refer
to
Removing
Cabinet
on
page 23.
3. Remove
the
compressor
inlet
HEPA
filter.
Refer
to
Replacing
the
Compressor
Inlet
HEPA
Filter
on
page 26.
4. Remove
spade
connectors
from
P.E.
valve
terminals.
5. Remove
tie
‐
wraps
from
P.E.
valve
tubing.
6. Remove
P.E.
valve
assembly
from
tubing.
CAUTION
If
P.E.
valve
is
not
to
be
installed
IMMEDIATELY,
plug
the
P.E.
valve
tubing
to
prevent
sieve
bed
contamination.
7. Install
new
P.E.
valve
assembly
IMMEDIATELY,
by
reversing
STEPS
3
‐
5.
8. Reinstall
the
compressor
inlet
HEPA
filter.
Refer
to
Replacing
the
Compressor
Inlet
HEPA
Filter
on
page 26.
NOTE:
Retiming
of
the
concentrator
is
necessary.
Refer
to
Timing
on
page 73.
NOTE:
To
ensure
proper
orientation,
the
“out”
port
barb
should
face
to
the
left
side
sieve
bed
when
viewing
from
behind
the
unit.
9. Run
unit
and
check
for
leaks.
Refer
to
Leak
Test
on
page 76.
10. Reinstall
cabinet.
Refer
to
Removing
Cabinet
on
page 23.
