Barco Galaxy NW-7, User Manual

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8. Maintenance
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Do not apply any liquid to the lens, nor the cleaning cloth.
Do not use fabric softener when washing the cleaning cloth or softener sheets when drying it.
Do not wipe back and forward across the lens surface as this tends to grind dirt into the coating.
8.5 Checking the cooling liquid level
Type of reservoir
Two different cooling liquid container sizes are available. The type which is installed in the projector can be detected as follows:
• smaller container : consists of three parts: body, top lid, bottom lid
• bigger container : consists of two parts: body, top lid
Image 8-1
Container types
Cooling liquid level
The liquid level of the cooling system must be checked before fi rst use and then on a regular basis. This must be done by a Quali fi ed
Product Specialist. The interval depends on the size of the reservoir and can be found in the Time dependent maintenance table.
If the liquid level is not within the speci fi cations, cooling liquid must be added.
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See the service manual to read the detailed procedure on how to check the cooling liquid level.
This procedure can only be performed by a Quali fi ed Product Specialist.
8.6 Lamp replacement
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This procedure may only be performed by quali fi ed technical service personnel.
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Electrical shock hazard! Make sure to switch off and unplug the projector before starting any of
these procedures! Never remove any cover while the projector is on.
192 R59770288 GALAXY NW-12, GALAXY NW-7 20/06/2013