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Section 6: Maintenance
* 600 CFM is required in projection rooms with ambient temperature above 25
(above sea level) greater than 3000 feet.
6.8
Inspect the Laminar Airflow Device (LAD)
The LAD filter is attached to the light engine assembly handle in the light engine compartment. Inspect the
LAD filter every six months. If the LAD filter is dark grey, contact Christie or your dealer for replacement.
6.9
Replace the Lamp
DANGER
2) EXPLOSION HAZARD. Wear authorized protective clothing whenever the lamp door is
open and when handling the lamp. Never twist or bend the quartz lamp body. Use the correct
wattage lamp supplied by Christie. 3) Ensure those within the vicinity of the projector are also
wearing protective safety clothing. 4) Never attempt to remove the lamp when it is hot. The
lamp is under a great deal of pressure when hot and may explode, causing personal injury or
death and/or property damage. Allow the lamp to cool completely before replacing it.
1. Tap and hold the red power button
2. Allow the lamp to cool for a minimum of 10 minutes.
3. Unplug the projector.
4. Put on your protective clothing and face shield.
5. Unlock and open the lamp door. Release the tethered latch mechanism to remove the door entirely.
6. Remove the old lamp and inspect the reflector:
a. Remove the front lamp duct to reveal the cathode end (-) of the lamp.
b. Loosen the set screw securing the anode connector.
c. Loosen the set screw securing the cathode connector.
d. Slip the positive anode connector off the front of the lamp.
e. Hold the lamp from the cathode end and carefully unscrew the lamp from the cathode connector
ensuring not to make contact with the reflector.
f.
With your free hand guide the cathode end out of the reflector, on an angle.
g. Before placing the old lamp into the protective case ensure the cathode nut is reinstalled. Place the
lamp, within the case, on the floor where it cannot fall or be bumped. WARNING! Handle box
with extreme caution - the lamp is hazardous even when packaged. Dispose of lamp
box according to local area safety regulations.
h. With the lamp removed, visually inspect the reflector for dust. If necessary, clean the reflector.
6-4
1) Lamp replacement must be performed by a qualified service technician only.
on the TPC Main panel to turn the lamp and projector off.
C or elevation
°
D4K35 Setup Guide
020-100855-02 Rev. 1 (09-2014)
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