Christie CP4230 Boletín técnico - Página 4

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4. Remove the UV filter and set on a clean, lint free cloth. For removal procedures, see the

projector service manual.

If the filter is yellow, replace it. When replacing the UV filter make sure the directional arrow

on the filter faces the reflector.

5. To prepare the Techspray 1671-10S canister for use, firmly attach the red output tube to the

output nozzle on the canister, point the canister away from the UV filter, and press the trigger

rapidly 3 times to clear any possible impurities from the tube.

6. To clean the UV filter, hold the filter by its edges and press the trigger of the Techspray canister

rapidly 3 times, 6 inches above the UV filter.

You must hold the Techspray canister vertically. Holding the canister at an angle can release

liquid refrigerant and contaminate the UV filter.

7. Turn the UV filter over and repeat step 6.

8. 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 only the tension in the folded cloth.

c) Allow the solvent to dry.

d) Turn the UV filter over and repeat step b.

9. Reassemble the projector and connect it to AC power.

Cleaning the projection lens

Learn the steps for cleaning the input and output ends of the projection lens.

If you do not have additive-free compressed air, use an air bulb or a camel hair brush to remove dust

and debris. If you have questions about the cleaning methodology, contact Christie.

1. Prepare the projector for service. For more information, see Preparing the projector for service

(on page 3).

2. Put on a pair of powder-free latex gloves.

3. Remove the projection lens from the projector and place it on a flat, stable surface. For

removal procedures, see the projector service manual.

4. To prepare the Techspray 1671-10S canister for use, firmly attach the red output tube to the

output nozzle on the canister, point the canister away from the optical component, and press

the trigger rapidly 3 times to clear any possible impurities from the tube.

5. To clean the input end of the projection lens, press the trigger of the Techspray canister rapidly

3 times, 6 inches above the optical component.

You must hold the Techspray canister vertically. Holding the canister at an angle can release

liquid refrigerant and contaminate the projector optics.

6. If the input end of the lens still appears dirty:

a) Dampen a clean, folded lint free cloth with acetone and wipe the surface of the input end

of the lens carefully with the smooth portion of the cloth that has no folds or creases.

b) Inspect the input end of the lens with a bright light and verify no streaks appear. If streaks

are present, repeat step a.

7. Reinstall the lens.

Cleaning Projector Optics Technical Bulletin

020-200298-04 Rev. 1 (08-2017)