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Maintenance
This section provides information and procedures for performing projector maintenance. ead through
this section in its entirety before performing maintenance activities. When you perform projector
maintenance, obey all warnings and precautions.
Shut down for maintenance
Perform these steps before beginning any inspection or maintenance procedures on the projector.
1. If the projector is operating, turn it off.
2. Disconnect the projector from AC power.
3. Rotate the Beam Stop to CLOSED.
4. Remove the key from the Laser Rack Key switch.
Check the coolant level
The coolant must be refilled by a qualified service technician. Failure to comply could result
in minor or moderate injury.
The liquid cooling system keeps the digital micromirror device (DMD) heat sinks cool. Check the
coolant level every six months.
1. Remove the rear top cover.
2. Check the coolant level in the coolant reservoir.
3. If the coolant level is below the minimum level indicator, contact your Christie service technician
to refill the coolant.
Inspect and Clean Optics
Unnecessary cleaning of optics can increase the risk of degrading delicate coatings and surfaces. If
you are not a qualified service technician, you can only inspect and clean the lens. Do not perform
maintenance on other optical components. Check these components periodically in a clean, dust-free
environment using a high-intensity light source or flashlight. Clean them only when dust, dirt, oil,
fingerprints or other marks are obvious on the projected image. Never touch an optical surface with
your bare hands. Always wear latex lab gloves.
These are the recommend tools for removing dust or grease:
•
Powder free latex gloves
•
Soft camel-hair brush
•
Dust-free blower - air bulb or a canned air duster without additives such as Techspray 1671-10S
Ultra-Pure Duster
D4KLH60/Mirage 4KLH User Manual
020-101375-02 Rev. 1 (06-2015)
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