TM 1-1520-240-102-3-17EAPS control switch located in the EAPS control panelis in the OPEN position and the doors are fully open, andwill extinguish when the switch is in the CLOSE positionand the doors are fully closed.2-3-44. Differential Pressure Switch.Each separator is equipped with a differential pressureswitch to determine the air passages of the EAPS unit areblocked. The switch senses the pressure difference be-tween the inside and outside of the curved panels of theEAPS unit. When a differential pressure is detected, theEAPS 1 FAIL or EAPS 2 FAIL caution lights illuminated.2-3-45. EAPS Switches.There are four, 2 position toggle switches located on theEAPS control panel (fig. 2-3-8) situated on the overheadswitch panel.a.The ENG 1 and ENG 2 FAN ON/OFF switchesoperate the control circuit to provide AC power for theEAPS fans. The switches receive power from the No. 1and No. 2 28 volt DC buses through circuit breakersmarked EAPS 1 and EAPS 2 FAN CONT.b.The ENG 1 and ENG 2 DOORS CLOSE-OPENswitch electrically positions the by-pass doors, open prclosed. The switches receive power from the No. 1 andNo. 2 28-volt DC buses through circuit breakers markedEAPS 1 and EAPS 2 BYPASS DOORS.Figure 2-3-8. EAPS Control Panel1.EAPS fan exhaust2.EAPS rails and slides.
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
