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CHAPTER 17
Maintenance and Troubleshooting
218 DL.3 Digital Light User Manual
6. Remove the two philips pan screws securing the filter bracket and lift the filter unit off the
fixture.
7. Remove the bracket and remove the HEPA filter from filter housing. Inspect both the
prefilter and the HEPA filter.
8. A dirty prefitler can cause an early Service Filter warning. If the prefilter looks dirty, clean it
with water. Thoroughly dry the prefilter before proceeding.
9. If the HEPA filter is discolored with particulates, replace it with the part listed in “Related
Products and Accessories” on page 1-4.
Reassemble the Fixture
10. Reinstall the HEPA Filter with the rubber gasket
down.
11. Reattach the filter bracket with the two philips pan
screws.
12. Replace the prefilter over the bracket on velcro
tabs.
13. Replace the top cover, fastening it with the two
quarter-turn screws.
14. Carefully replace the rear bezel, making sure to
position (but do not force) the gasket against the
lamp cover located on the back of the projector.
and Relatch the rear bezel assembly.
Place HEPA
filter with gasket
against plenum
Gasket