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Maintenance procedures
2.
Soak the dust filters in the solution for 30 to 60 minutes. The grease should be dissolved after 1 hour.
3.
If the dust filter is still clogged repeat this procedure from step 1.
4.
Rinse the dust filters with clean water to flush all grease residue away.
5.
Shake out all excess liquid by repeatedly swinging the filter to-and-fro in a centrifugal action.
6.
Then allow the filters to dry thoroughly.
Note: Drying time of the dust filters can be up to 24h or more. Drying time can be shorter when
being done in a well-ventilated area.
Tip: To speed-up drying, allow the filter(s) to dry at 50°C max in a well ventilated room.
CAUTION: UNDER NO CIRCUMSTANCES SHOULD WET FILTERS BE INSTALLED BACK INTO
THE PROJECTOR. THIS CAN HAVE SERIOUS SAFETY CONSEQUENCES AS WELL AS
JEOPARDIZE THE INTERNAL OPTICS OF THE SYSTEM.
CAUTION: Do not install/use damaged dust filters. Replace damaged dust filters immediately with
new dust filters of the same type. See
19.6 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.
Required tools
•
Compressed air
•
Clean micro fiber lens cleaning cloth (e.g. Toraysee® cloth(s))
•
Clean cotton cloth
•
Lens cleaner (e.g. ZEISS lens cleaner, Purosol™ or other water based lens cleaner products)
How to clean the lens?
1.
Blow off dust with clean compressed air (or pressurized air cans
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:
the coating.
3.
Use a dry lens cleaning cloth to remove left liquid or stripes. Polish with small circles.
4.
If there are still fingerprints 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 first indication of a dirty
cloth.
19.7 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.
4.
Pressurized air cans are not efficient if there is too much dust on the surface, the pressure is too low
320
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Freya
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Do not wipe back and forwards across the lens surface as this tends to grind dirt into
for the correct replacement part.
4
) .
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