11. Maintenance
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. D o not leave the cleaning cloth in either a n open room or lab co at poc ket, as doing so can contaminate the cloth.
4. If smears occur wh en cleaning lenses, replace the cloth. S mea rs are the first indication of a dirty cloth.
CAUTION: Do n ot use fabric softener when washing the cleaning cloth or softener sheets when drying the
cloth.
Do n ot use liquid cleaners on the cloth as doing so will contaminate t he cloth.
Other lenses can also b e cleaned safely with this Toraysee
TM
cloth.
11.4 Cleaning the exterior of the projector
How to clean the exterior of the projector ?
1. Sw itch off the projector and unplug the projector from the mains power n et.
2. C lean the housing of the projector w ith a damp cloth. S tu bborn stains may be removed with a cloth lightly dam pened with a mild
detergent solution.
11.5 Check cooling liquid level
What should be done ?
The p rojector is liquid c ooled. It is important that the liquid level is checked at r egular intervals. We advise t o check every 3 months.
The liquid level m ust be between M in. and Max. Significant drop in liquid level indicates a m ajor leakage and requires im mediate
attention.
How to check
1. R emov e the left side cover (Light Processor side). see "Removal of the side cover", page 87.
2. C heck the liquid c ooling level in the res ervoir.
Max
Min
Image 11-5
Cooling liquid check
If the current liquid cooling level is som ewhere between Min and Max, then no action should be taken.
If the current liquid cooling level is approaching the Min level point, than check for leakage in the cooling system prior s tarting
the refill procedure.
If you canno t see the level, open the filler cap and shine a torch into the reservoir
98 R5905067 DPXK-19B/23B/P 17/09/2012
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