Christie CP2420-Xe Service Manual page 41

The extension nut must be used only for CDXL-30SD lamp. When it is not in use, the
extension nut must be installed on the shaft located in the base plate under the lamp
adjust.
c) Loosen the screw (right arrow in the image in step b) 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.
h) Place the lamp, within the case, on the floor where it cannot fall or be bumped.
Handle the box with extreme caution as the lamp is hazardous even when packaged.
Dispose of the bulb and packaging according to local area safety regulations.
i) With the lamp removed, visually inspect the reflector for dust.
If necessary, clean the reflector.
5. Before removing the lamp from the case, loosen the cathode screw and remove the cathode
nut from the lamp.
6. Remove the new lamp from the protective case.
7. Install the new lamp.
Warning! If not avoided, the following could result in death or serious injury.
•
•
a) Hold the anode end of the lamp in your left hand and angle it up through the hole in the
back of the reflector assembly.
b) Insert your right index and middle finger through the back front of the reflector and guide
the lamp onto the cathode clamp.
Be careful not to hit the lamp against the reflector.
c) Insert the threaded cathode (-) end of the lamp into the negative lamp connector nut
located in the rear of the lamp compartment.
d) Using both hands, hand-tighten this end into the threaded nut.
CP2420-Xe and CP4420-Xe Service Guide
020-103566-02 Rev. 1 (07-2022)
Copyright © 2022 Christie Digital Systems USA, Inc. All rights reserved.
If printed, please recycle this document after use.
EXPLOSION HAZARD! Handle a lamp by the cathode and anode end shafts only. Do not
handle the lamp by the glass.
EXPLOSION HAZARD! Do not over-tighten the lamp.
Maintenance and cleaning
41