Barco HDX W20 Projector User Manual


 
15. Maintenance
15. MAINTENANCE
About this chapter
This chapter contains general maintenance procedures.
Overview
Cleaning the lens
Cleaning the exterior of the projector
15.1 Cleaning the lens
To minimize the possibility of damage to optical coatings, or scratches to lens surfaces follow the cleaning
procedure as described here precisely.
Necessary tools
Compressed air.
Clean Toraysee® cloth or any micro ber lens cleaning cloth.
Clean cotton cloth.
Necessary parts
Lens cleaner (e.g. Carl Zeiss lens cleaner or Purasol® or any water-based lens cleaner)
How to clean the lens?
1. Blow off dust with clean compressed air (or pressurized air cans
5
).
2. Clean with lens cleaner together with a clean lens cleaning cloth to remove the dust and contamination. Use big wipes in one
single direction.
Warning: Do not wipe back and forwards ac ross the lens s urface as this tends to grind dirt into the coating.
3. Use a dry lens cleaning cloth to remove left liquid or stripes. Polish with small circles.
4. If there are still ngerprints on the surface, wipe them off with lens cleaner together with a clean lens cleaning cloth. Polish again
with a dry one.
If smears occur when cleaning lenses, replace the cloth. Smears are the rstindicationofadirtycloth.
15.2 Cleaning the exterior of the projector
How to clean the exterior of the projector ?
1. Switch off the projector and unplug the projector from the mains power net.
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.
5. Pressurized air cans are not efficient if there is too much dust on the surface, the pressure is too low
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