NEC NP-PH3501QL - Page 143

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7. Maintenance
(2) Lift the upper air filter in the direction of the arrow and
remove it.
NOTE
•
Donotapplyahighdegreeofforceorattempttopryitopen.
Thiscoulddeformtheangemakingitimpossibletoreattach
theltercover.
5. Cleanallthedustfromthefilters using a vacuum cleaner.
(1) Carefully remove the dust from the filter covers as well as from both sides of all the filters.
(2) Remove the dust from the grates on the outside of the
projector as well.
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lter,usethesoftbrushattachment
tovacuum.Thisistoavoiddamagetothelter.
• Donotwashthelterwithwater.Doingsocanresultindam-
agetotheltermembraneandalsocauseclogging.
6. Put the various parts ofthefiltertogetherandfittheminsidethefiltercover.
Fine grade lter Filter coverCoarse grade lter