Optical Engine: Maintenance and Cleaning
Cleaning PID Sensor
EVM Series User Manual
Mirror from
optical engine
To clean the optical engine, this requires the use of a 1/16th Allen wrench and a cotton swab.
Maintenance and cleaning of the optical engine
1. Remove the two screws on the optical engine using a Phillips screwdriver.
2. You have two options when removing the screws:
Your first option is to loosen the two screws and turn the D-Ring so the flat angle is facing the
circular metal plate.
Your second option is to remove the two screws and D-ring and set these aside.
Figure 7-7: Optical engine and cleaning
3. Next, lift the spherical mirror up and off by using a flat-
headed screwdriver. Using a clean cotton swab, gently
wipe the spherical mirror in a circular motion. Set aside.
4. Using a clean cotton swab, gently wipe around the outer
cavity of the optical engine.
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