Clean The Light Engine Air Filter - Christie CP42LH User Manual

compressed air, the air must move through the filter in the opposite direction of the air flow
indicator on the side of the filter.
The installation of a filter that has not been allowed to dry completely can cause an electrical
short and damage the projector.
1. Hold the filter on an angle under warm running water so the water flows through the filter in
the opposite direction of the air flow indicator on the side of the filter.
2. Rinse the filter thoroughly.
3. Submerge the filter for a minimum of 30 minutes in a container of warm water and two
tablespoons of mild detergent or liquid dish soap.
If the filter is extremely dirty, move the filter from side to side occasionally, or remove the
excess dirt by brushing both sides of the filter with a soft brush.
4. Rinse the filter thoroughly by holding it on an angle under cool running water. The air flow
arrow on the side of the filter should face down.
5. Repeat steps 3 and 4 if the filter still appears dirty.
6. Shake the filter over a container until most of the water is removed.
7. Place the filter on its edge on a flat, stable surface and allow it to dry thoroughly for a minimum
of 24 hours.
8. To confirm that the filter is dry, place it over a dry paper towel and shake it. If the paper towel
remains dry, the filter can be installed in the projector.
9. Record the date the filter was cleaned.
10. Replace the filter following the instructions for the specific filter.
Replace the light engine air filter
This filter is located on the operator side near the front of the projector, behind the air filter cover.
1. Shut down the system.
See Shut down for maintenance
2. On the air filter cover, push down on snap tab at top.
3. Tilt the top of the cover towards you and lift it up to remove.
4. Slide the air filter out and discard.
CP42LH User Guide
020-101363-03 Rev. 1 (08-2016)
on page 68.
Maintenance
76