Sun Electronic Systems Environmental Chamber EC13HA

Unplug the chamber from the line voltage.

Turn off the expectorant supply and disconnect expectorant supply hose from the chamber.

Ensure that the heating elements and the interior of the chamber have reached ambient temperature.

Remove the (3) 6-32 screws and the (4) 8-32 screws around the blower air intake on the rear wall of the interior of the test chamber.

Remove the (2) 6-32 screws located on the ceiling of the test chamber and the air baffle.

Position the chamber for rear access

Turn off the expectorant supply

Remove the expectorant supply hose

Remove the filter back section and filter

Remove contamination from the filter

Unplug the chamber from the line voltage.

Turn off the expectorant supply.

Disconnect expectorant supply hose from the chamber.

Ensure that the heating elements and the interior of the chamber have reached ambient temperature.

Remove the (3) 6-32 screws and the (4) 8-32 screws around the blower air intake on the rear wall of the interior of the test chamber.

Remove the (2) 6-32 screws located on the ceiling of the test chamber and the air baffle.

Unplug the chamber from the line voltage

Turn off the expectorant supply

Disconnect expectorant supply hose from the chamber

Ensure all components of the chamber have reached ambient temperature

Position the chamber on its left side as viewed from the front

Remove the 6-32 screws from the bottom of the chamber/control section intersection

Remove the 6-32 screws from the top of the chamber/control section intersection

Unplug the chamber from the line voltage

Turn off the expectorant supply

Disconnect expectorant supply hose from the chamber

Ensure that the heating elements and the interior of the chamber have reached ambient temperature

Count and remove the #6 screws from the perimeter of the chamber back plate

Carefully pivot back plate away without stressing the line or fuse wiring