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15. Maintenance
2. Check the pressure indicated on the internal manometer of the liquid cooling circuit.
1
0
.
5
Image 15-6
3. This pressure should be between 0,5 and 1 bar. If the pressure, indicated on the manometer, is out of range, inform the respon-
sible and qualified technicians, so they may take necessary corrective action.
4. Reinstall the side cover of the projector, see "Installation of the side cover", page 195.
15.5 Cleaning the lens
To minimize the possibility of damage to optical coatings, or scratches to lens surfaces, we have developed
recommendations forcleaning. FIRST, werecommendyou tryto removeany materialfrom the lensby blowing
it off with clean, dry deionized air. DO NOT use any liquid to clean the lenses.
Necessary tools
Toraysee
TM
cloth (delivered together with the lens kit). Order number : R379058.
Howtocleanthelens?
1. Always wipe lenses with a CLEAN Toraysee
TM
cloth.
2. Wipe lenses in a one single direction.
Warning: Do not wipe back and forwards across the lens surface as this tends to grind dirt into the coating.
3. Do not leave the cleaning cloth in either an open room or lab coat pocket, as doing so can contaminate the cloth.
4. If smears occur when cleaning lenses, replace the cloth. Smears are the first indication of a dirty cloth.
CAUTION: Do not use fabric softener when washing the cleaning cloth or softener sheets when drying the
cloth.
Do not use liquid cleaners on the cloth as doing so will contaminate the cloth.
Other lenses can also be cleaned safely with this Toraysee
TM
cloth.
15.6 Cleaning the exterior of the projector
How to clean the exterior of the projector ?
1. Switch off the projector and unplug the power cord at the projector side.
2. Clean the housing of the projector with a damp cloth. Stubborn stains may be removed with a cloth lightly dampened with a mild
detergent solution.
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R5976986 FLM HD18 15/03/2010