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CT-400 Service Information 53
Cleaning the Module Fan Filter
1) Power off the mainframe and remove the power cord.
2) Locate the metal air filter cover at the bottom half of the mainframe.
3) Remove the four screws holding it in place and remove the cover and the filter element.
4) Blow the dust and dirt out of the air filter element using compressed air or, optionally, use
water and a mild soap.
5) If water and soap is used, make sure to rinse the element of all soap and allow it to dry before
reinstalling it in the mainframe.
6) Reinstall the air filter element and cover and reinstall the screws.