6300
6.26.1
PRE-FILTER CLEANING
(1)
Remove the bezel
as
described in Paragraph
6.17.1
.
(2)
The
pre-filter is removed by lifting one corner of the meshed material
and
gently
pull ing
it
away from the front surface
of
the absolute filter.
NOTE
The
pre-filter may be washed in soap and water and
reused.
The
pre-filter must be absolutely dry and free from
any cleaning residue before replacing
it
on the front
of
the
absolute filter.
6.26.2
REMOVAL OF ABSOLUTE FILTER
The
following procedure is used
to
remove the pre-filter.
(1)
Refer to Paragraph 6.17.1 for the procedure to remove the bezel.
(2)
Remove bezel and observe two retaining bars marked THIS SIDE OUT (see Figure
6-37. Remove the two retaining bars that are purposely curved to hold the
absolute air filter under tension against the base casting.
(3)
Withdraw the absolute filter from the air duct cavity in the
bs:se
by grasping the
two edges and
pulling straight forward. After removing, inspect for any plastic
chips or other matter remaining in the air duct cavity.
(4)
Discard the used absolute filter.
NOTE
Always replace the absolute filter rather than attempting
to clean
it.
6.26.3 REPLACEMENT
OF
ABSOLUTE FILTER
Before
installing a new absolute filter, inspect the plastic framework for any
contamination. Especially inspect for
plastic flashing clips or excess plastic that could be
shaved
off
the edges
by
the air duct during installation. If the filter is not easily inserted
into the air duct or its shape is distorted, there is a
Iikel ihood that the filter is defective and
should not
be
used.
CAUTION
TOBACCO ASHES
AND
TOBACCO
SMOKE
WILL
CONTAMINATE THE
AIR
SYSTEM
AND
THE ABSOLUTE
FIL
TER.
HANDLE THE FILTER
IN
THE CLEANEST
ENVIRONMENT
AVAILABLE.
Inspect the air duct leading up to the blower
for
any other matter that could
have
passed
through the filter system.
Clean with a lint-free cloth, if required. Replace the filters and
secure the assembly into place.
Be
sure the retaining bars
are
correctly installed with the
THIS SIDE
OUT
showing (see Figure 6-37).
6.27
POWER
SUPPLY
The
power supply is a removable module located in
an
area on the underside
of
the base
assembly.
6-90
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