NEC M402H - 7 Maintenance; ❶ Cleaning the Lens; ❷ Cleaning the Cabinet

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Thissectiondescribesthesimplemaintenanceproceduresyoushouldfollowtocleanthelens,thecabinet,andto
replacethelamp.
❶ Cleaning the Lens
WARNING
• Donotsprayammablegastogetridofdustanddirtthataccumulateinthelens.Doingsocouldcausea
re.
• Turnofftheprojectorbeforecleaning.
• Theprojectorhasaplasticlens.Useacommerciallyavailableplasticlenscleaner.
• Donotscratchormarthelenssurfaceasaplasticlensiseasilyscratched.
• Neverusealcoholorglasslenscleanerasdoingsowillcausedamagetotheplasticlenssurface.
❷ Cleaning the Cabinet
Turnofftheprojector,andunplugtheprojectorbeforecleaning.
• Useadrysoftclothtowipedustoffthecabinet.
 Ifheavilysoiled,useamilddetergent.
• Neverusestrongdetergentsorsolventssuchasalcoholorthinner.
• Whencleaningtheventsorthespeakerusingavacuumcleaner,donotforcethebrushofthevacuumcleaner
intotheslitsofthecabinet.
Vacuum the dust off the vents.
• Cloggedventsmaycauseariseintheinternaltemperatureoftheprojector,resultinginmalfunction.
• Donotscratchorhitthecabinetwithyourngersoranyhardobjects
• Contactyourdealerforcleaningtheinsideoftheprojector.
NOTE:Donotapplyvolatileagentsuchasinsecticideonthecabinet,thelens,orthescreen.Donotleavearubberorvinylproduct
inprolongedcontactwithit.Otherwisethesurfacenishwillbedeterioratedorthecoatingmaybestrippedoff.
7. Maintenance