3M MP8740 manual Maintenance, Cleaning the Air Filter

ENGLISH

Section 5: Maintenance

5.1 Cleaning the Air Filter

✔Note

Clean the air filter about every 50 hours.

1.Turn off the MAIN POWER switch of the projector and pull out power cord. Let cool for 20 minutes.

2.Remove the air filter from the bottom of projector. Unscrew two retaining screws (1) and pull down and out (2) on the handle to free air cleaner door. Lift air filter door up and out (3) and set it aside.

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8730-36A

Figure 5.1 Remove Air Filter

3.Carefully remove foam air filter Screen (4) and clean foam screen and metal screen using a vacuum cleaner.

4.Re-install the air filter and replace the air filter door.

✔Note

If air flow is restricted due to dust accumulation on filter, the projector may shut down due to over heating.

14 3M™ Multimedia Projector MP8740 © 3M 1999