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Remove the dust from the grates on the outside of the projec-
tor as well.
• Some intake vents do not have grates. Be sure to also
remove any dust stuck to the louver (blind with angled
horizontal slats) with a vacuum cleaner.
NOTE:
• Whenever you vacuum the filter, use the soft brush attachment to
vacuum. This is to avoid damage to the filter.
• Do not wash the filter with water. Doing so can result in damage to
the filter membrane and also cause clogging.
5. Put the various parts of the filter together and fit them inside the filter cover.
The three layers of the filter must be assembled and installed in a particular order and direction.
Fine grade filter
(1)Turn the tabs on the fine grade filter to the left, turn the
tabs on the medium grade filter (with diagonal crossed
mesh) to the right, then slide the fine grade filter into the
medium grade filter.
(2)Turn the tab slots on the coarse grade filter to the left. Next
set the fine grade filter and the medium grade filter into
the flange, then slide them to the left.
(3)Make sure that all six tabs are slightly into the tab slots,
then slowly push the filter together (some filters have ten
tabs).
• If the parts of the filter are not completely fitted together
they will not fit inside the filter cover.
The grates on the outside of the
projector
Medium grade filter
The tabs on the fine
grade filter
The tab slots on the coarse grade filter
Fine grade filter
55
5. Maintenance
Coarse grade filter
The tabs on the
medium grade filter
Medium grade filter
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