Clean Projector Optics; Prepare The Projector For Service; Clean The Light Engine Prism - Christie CP4230 Service Manual

Section 6: Cleaning Projector Optics
• Optical grade cotton swabs with wooden stems
• Sticklers Fiber Optic Cleaner (can be used on all optical components)
• A bright, portable illumination device such as an LED flashlight
6.3

Clean Projector Optics

If the recommended cleaning supplies described in the procedures are unavailable in your area, contact Christie
service. For improving brightness and contrast, the procedures are organized from most to least effective.
NOTICE!
Failure to comply with the following may result in property damage.
• Always wear powder free latex gloves when handling and cleaning projector optics.
• Handling optics increases the risk of damage. You should only clean optics when neces-
sary.
• Only use solvents if dirt remains after dusting with compressed air.
• Do not reuse lens tissues. Use a clean tissue for each cleaning attempt.
• Handle optics by their edges.
• When using Techspray 1671-10S do not shake the can prior to use.

6.3.1 Prepare the Projector for Service

1. Turn the lamp and projector off.
2. Allow the projector to cool for a minimum of fifteen minutes.
3. Disconnect the projector from AC power.

6.3.2 Clean the Light Engine Prism

If the entire light engine requires cleaning, contact Christie support.
If you cannot access 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. See
2. Remove the light engine and set it on a clean, lint free cloth. See
The prism is easily damaged. Handle with care.
3. Clean the prism 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 prism, press the trigger rapidly 3 times to clear
contaminants from the output tube.
c. Press the trigger of the Techspray 1671-10S canister rapidly 3 times 6 inches above the optical
component.
You must hold the Techspray 1671-10S canister vertically. Holding the canister at an angle can release
liquid refrigerant and contaminate the projector optics.
4. If the prism still appears dirty:
a. Put on a pair of powder free latex gloves.
6-2
Section 6.3.1 Prepare the Projector for Service.
Section 5.10 Light Engine.
CP4230 Service Manual
020-100622-04 Rev. 1 (05-2016)