SECTION 6—PREVENTIVE MAINTENANCE
Part No 1164934
25
Perfecto
2
™
V
Replacing the Outlet HEPA Filter
Check the Outlet HEPA Filter
NOTE:
The
outlet
HEPA
filter
can
be
checked
by
performing
the
following
procedure.
1. Turn
the
concentrator
on
and
adjust
the
flowmeter
to
the
maximum
flow
of
the
unit.
2. Observe
the
flowmeter
ʹ
s
flow
indicator
while
connecting
a
fifty
foot
cannula
tube
to
the
outlet
barb
of
the
concentrator
(not
shown).
3. If
the
flow
indicator
fluctuates,
the
outlet
HEPA
filter
may
need
replacement.
Refer
to
Troubleshooting
on
page 16.
Replace the Outlet HEPA Filter
NOTE:
For
this
procedure,
refer
to
FIGURE 6.2.
NOTE:
Perform
this
procedure
as
needed
depending
on
the
outlet
HEPA
filter
check
results.
1. Unplug
the
unit.
2. Remove
the
cabinet.
Refer
to
Removing
Cabinet
on
page 23
3. For
easier
access
to
the
outlet
hepa
filter,
remove
the
compressor
inlet
hepa
filter
by
grasping
the
compressor
inlet
filter,
pull
outward
and
up
until
filter
is
dislodged
from
rubber
base
(FIGURE 6.3).
4. With
a
flat
head
screwdriver,
remove
the
tubing
from
both
sides
of
the
existing
outlet
HEPA
filter
by
prying
the
tubing
away
from
the
outlet
HEPA
filter.
5. Discard
existing
outlet
HEPA
filter.
6. Connect
tubing
to
both
sides
of
the
new
outlet
HEPA
filter
as
shown
below.
7. Install
cabinet.
Refer
to
Removing
Cabinet
on
page 23.
FIGURE 6.2
Replace the Outlet HEPA Filter
Tubing
Outlet HEPA
Filter
Tubing
