Continental
Rev. 12/01/00 #29 Flight Manual
? SQUIB Lights (Green) Squib lights illuminate during a system test, or when the system is armed, to show the status of the squibs. An illuminated squib light
indicates the respective squib has not been fired and is ready. After a
squib is fired, its respective squib light will not illuminate.
FWD, MID, or AFT: show status of squibs on the diverter valve.
BTL 1 or BTL 2: show status of squibs for halon bottles 1 and 2.
Note: Whenever squib lights are illuminated (even when TEST button
is pressed), pressing the BTL 1 or BTL 2 PUSH TO DISCHARGE switches will discharge halon.
@ PUSH TO DISCHARGE Switches These capped switches are not powered until armed. When the ARM switch is in AUTO position, these switches are armed automatically when a cargo fire is detected. When the ARM switch is in FWD, MID, or AFT position, these switches are armed regardless of a cargo fire warning. When armed, pressing the BTL 1 PUSH TO DISCHARGE switch fires a squib releasing halon from bottle 1, and also fires a squib on the diverter valve directing the halon to the appropriate cargo bay. Pressing the BTL 2 PUSH
TO DISCHARGE switch fires a squib releasing halon from bottle 2 through a restrictor into the same bay as bottle 1. DSCH annunciators (in the PUSH TO DISCHARGE switches) show status of
halon bottles 1 and 2. The lights (Amber) in these buttons will illuminate when pressure for their respective bottle is low, either after intentional discharge or from a leak. These lights are tested using the cockpit ANNUN/DIGITAL LTS TEST switch.
A DET Lights (Amber)
When system test switch is pressed: Illuminate to verify the loop is
operational (if light is off during test, loop is inoperative). When system test switch is not pressed: Illuminate when a detector in the respective Loop senses smoke.
B FAIL Lights (Amber) Illuminate when a detector in the respective Loop has failed.
C FIRE Light (Red) Illuminates when a cargo fire is detected.
System Test
.
Press the cockpit ANNUN/DIGITAL LTS TEST switch. The BTL 1 and BTL 2 DSCH lights, and all other lights on the Cargo Detection Suppression Control Panel, should illuminate. Release switch.
.
Press the Cargo Detection Suppression Control Panel TEST button for at least three seconds. Within three seconds the following must occur:
.
The aural cargo fire warning should sound. The aural warning may be silenced by pressing the HORN RESET switch.
.
The MASTER CAUTION and MASTER WARNING lights, and the SMOKE DET LOOP and CARGO FIRE lights on the annunciator panel should illuminate.
.
All lights on the Cargo Detection Suppression Control Panel, except for the BTL 1 and BTL 2 DSCH lights, should illuminate.
.
Reset the Master Caution and Warning lights.
.
Release the Cargo Detection Suppression Control Panel TEST button. Note: If the TEST button is released prior to completion of the test, all or some of the FAIL lights may illuminate. This is not an
indication of system failure, but is the result of a failed test due to early release of the TEST button.
.
All lights on the Cargo Detection Suppression Control Panel should be out and the aural warning should be silent.
Note: If horn does not sound during test, accomplish the following:
.
Perform three separate tests of the system.
.
If horn still does not sound, pull and reset system circuit breakers.
.
Perform up to three more separate tests of the system.
Dispatch Notes
The aircraft may be dispatched with one detector inoperative for each detection unit (enclosure). When a detector is inoperative, the annunciator panel SMOKE DET LOOP light and the Cargo Suppression Detection Control panel FAIL light for the affected Loop will remain on throughout the flight.
Continental
Rev. 12/01/00 #29 Flight Manual
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