8. Lamp and lamp house
8.8 Cleaning the UV blocker of the Lamp House
When cleaning the UV blocker?
Only clean the UV blocker of the L amp House in case it is really necessary. This means in case dust is clearly visible upon the
surface of the UV blocker.
This procedure requires that the UV blocker is removed from the Lamp House.
WARNING: ISOPROPANOL ALCOHOL (200–661–7).
Hazardous product. Irritating to eyes and skin. Always use in a well ventilated area. Vapors may cause drowsi-
ness and dizziness. Avoid contact with skin and eyes. In case of contact with the eyes, rinse immediately with
plenty of water and seek medical advise.
CAUTION: ISOPROPANOL ALCOHOL (200–661–7).
Hazardous product. Lightly flammable. Always use in a well ventilated area. Keep away from sources of
ignitions. Do not smoke while working with isopropanol. Exclusive keep in original container tightly closed
at a cool, well ventilated and fi reproof storage space.
Necessary tools
• Clean Toraysee® cloth.
• Clean cotton cloth.
• Demineralized water.
• Isopropanol alcohol.
How to clean the UV blocker of the Lamp House?
1. W ipe off the dust of b oth sides of the UV blocker. U se for that a clean Toraysee® cloth.
Tip: Limit the number of wipe mov ements. This to protect t he optical co ating. It is better to wipe of the dust w ith one good
wipe movement than with 10 soft wipe movements.
2. Is all dust removed from the UV blocker?
If yes, stop this cleaning procedure.
If no , wipe off the dust of the UV blocker with a clean cotton cloth and dem ineralized water.
Tip: Use isopropanol alcohol instead of demineralized water to remove fingerprints.
CAUTION: Never reinstall a UV blocker which is cracked or has a damaged coating. Neglecting this will result
in irreversible damage of optical parts in the projector.
136 R5905312 HDF W SERIES 24/01/2013
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