S 865-019
(3)
Supply electrical power (AMM 24-22-00/201).
S 865-385
(4)
Make sure the pneumatic duct pressure is zero (AMM 36-00-00/201).
S 715-519
(5)
Turn the L (R) Pack Selector, on the P5 panel, to OFF.
(a)
Make sure the L (R) PACK OFF light comes on.
S 015-035
(6)
Open the access door for the main equipment center, 119BL
(AMM 06-41-00/201).
(a)
Find the pack temperature controllers on the E3 rack in the main equipment center.
D.
Left (Right) Pack Temperature Controller BITE Test:
NOTE: This test electrically checks the pack controller, pack
____ temperature sensor, compressor outlet sensor, mix manifold sensor, zone backup sensor, altitude switch, temperature control valve, ram air inlet actuator, ram air exhaust actuator, low limit valve and flow control and shutoff valve.
NOTE:____This test can be done on only one controller at a time. Do the test on the left pack controller then do the test for the right pack controller. The data in parentheses is for the test of the right pack controller.
S 865-518
(1) Set the L (R) pack selectors to AUTO.
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(2) S 745-275Make sure the CONTROLLER FAULT light, on the front panel of the pack temperature controller is off. (a) If the CONTROLLER FAULT light is on, there is a problem with the pack temperature controller.
NOTE:____ A short circuit in the wiring for the ram air door actuators or the temperature control valve can cause the pack temperature controller to blow a fuse. If the pack temperature controller has a blow fuse, then the controller fault light will show.
(3) S 745-276Push the PRESS/TEST button. (a) Make sure all of the lights on the controller face come on.
(4) S 745-277Push the BIT button. (a) Make sure the BIT light comes on for 25 to 35 seconds. (b) Make sure the GO light comes on and that none of the fault (red) lights come on.
NOTE:____ A GO light indicates that there are no controller faults and there were no faults detected the last time the pack was operated.
(5) S 745-278Push the PREVIOUS FLIGHTS button. (a) Make sure the PREVIOUS FLIGHTS light comes on for 25 to 35 seconds. (b) Make sure the GO light comes on and that none of the fault (red) lights come on.
NOTE:____ A GO light indicates that were no faults detected during the last nine flights.
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S 745-209
WARNING: MOVE ALL PERSONS AND EQUIPMENT AWAY FROM THE RAM-AIR INLET DOOR_______
AND THE RAM-AIR OUTLET DOOR. WHEN YOU PUSH THE "VERIFY"
BUTTON, THESE COMPONENTS WILL MOVE AND COULD CAUSE INJURY TO
PERSONS AND DAMAGE TO EQUIPMENT.
(6) Push the VERIFY button.
(a) Make sure the VERIFY light comes on for 85 to 95 seconds.
(b) Make sure the GO light comes on and that none of the fault
(red) lights come on.
S 745-210
(7) Push the RESET button while the VERIFY and GO lights are still on.
(a) Make sure the RESET light comes on for 6 to 10 seconds and the
VERIFY and GO lights go off.
ú
ú S 865-620
ú (8) Supply pneumatic power.
ú
ú S 745-618
ú (9) Push the VERIFY button again to do an operational check of the low
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