Cleaning The Uv Filter - Christie CP2208 Service Manual

b. Dampen a clean, folded lint free cloth with Acetone Reagent Grade and wipe the surface
of the prism carefully with the smooth portion of the cloth that has no folds or creases.
Do not apply pressure with your fingers. Use the tension in the folded cloth.
c. Inspect the prism surface with a bright light and verify it is streak free. If streaks are
present, repeat step b.
5. Reassemble the light engine and the projector.
6. Connect the projector to AC power.

Cleaning the UV filter

If you cannot access additive free compressed air, use an air bulb or a camel hair brush to remove the
debris. If you have questions about the cleaning methodology, contact Christie.
1. Prepare the projector for service. See
2. Remove the lamp. See
3. Put on a pair of powder free latex gloves.
4. Remove the UV filter and set on a clean, lint free cloth. See
If the filter is yellow, replace it.
5. Clean the UV filter with Techspray 1671-10S:
a. Firmly attach the red output tube to the output nozzle on the Techspray 1671-10S
canister.
b. While pointing the output tube away from the UV filter, press the trigger rapidly 3 times
to clear contaminants from the output tube.
c. Hold the UV filter by its edges and press the trigger of the Techspray 1671-10S canister
rapidly 3 times 6 inches above the UV filter.
You must hold the Techspray 1671-10S canister vertically. Holding the canister at an
angle can release liquid refrigerant and contaminate the UV filter.
6. Turn the UV filter over and repeat step 4.
7. If the UV filter still appears dirty:
a. Place the filter on a clean and dry lint free cloth.
b. Dampen a clean, folded lint free cloth with acetone and wipe the surface carefully. Do not
apply pressure with your fingers. Use the tension in the folded cloth.
c. Allow the solvent to dry.
d. Turn the UV filter over and repeat step b.
8. Reassemble the projector and connect it to AC power.
When replacing the UV filter make sure the directional arrow on the filter faces the reflector.
CP2208 Service Manual
020-101917-01 Rev. 1 (11-2015)
Preparing the projector for service
Replacing the lamp on page 40..
Cleaning Projector Optics
on page 68.
Replacing the UV filter on page 48.
69