(b)
6H5, FIRE EXTINGUISHING CARGO BTL 1
(c)
6H6, FIRE EXTINGUISHING CARGO BTL 2
S 865-034
(8) On the SQUIB TEST Control Panel, P61, push the FWD CARGO and AFT CARGO (1 and 2) test lights (4 places).
(a) Make sure all the green cargo squib test lights come on.
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S 865-038
(9) Open these circuit breakers on the P6 panel and attach DO-NOT-CLOSE tags:
(a)
6H5, FIRE EXTINGUISHING CARGO BTL 1
(b)
6H6, FIRE EXTINGUISHING CARGO BTL 2
S 495-039
(10)
Connect the multimeter to the squib circuit test box.
S 495-040
(11)
Attach the adapter cable to the connector on the squib circuit test box.
NOTE: Adapter cables are included with the squib circuit test box
____ and the appropriate adapter cable must be attached to match the electrical connectors from the squibs.
E. Test Extinguisher Bottle 1 Squib Discharge Circuit
S 215-335
(1) Make sure the APU/CARGO Fire Control Panel looks like this:
(a)
The FWD and AFT Cargo Fire ARMED switchlights are OFF.
(b)
The DISCH light in the BTL DISCH 1 and 2 switches is off.
S 865-043
(2) Set the LOAD CHECK switch on the squib circuit test box to the OFF position.
S 435-044
WARNING: DO NOT INSTALL ELECTRICAL CONNECTORS ON THE BOTTLE SQUIBS
_______ DURING THE TEST. IF THE BOTTLE IS ACCIDENTALLY FIRED, INJURY TO PERSONS CAN OCCUR.
(3)
Connect the bottle 1 FWD cargo squib connector, D4412, to the squib circuit test box, adapter cable.
S 865-045
(4)
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P6 panel:
(a)
6H5, FIRE EXTINGUISHING CARGO BTL 1
(b)
6H6, FIRE EXTINGUISHING CARGO BTL 2
S 865-046
(5) Push the FWD Cargo Fire switch.
(a) Make sure the FWD ARMED switchlight is ON.
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(6) S 865-048Push and hold the BTL DISCH 1 switch. (a) Make sure the BOTTLE DISCHARGE light on the squib circuit test box comes on.
(7) S 865-051Open this circuit breaker on the P6 panel: (a) 6H5, FIRE EXTINGUISHING CARGO BTL 1
(8) S 215-338Make sure the BOTTLE DISCHARGE light on the squib circuit test box goes off.
(9) S 865-386Close this circuit breaker on the P6 panel: (a) 6H5, FIRE EXTINGUISHING CARGO BTL 1
S 215-340
(10)
Make sure the multimeter on the squib circuit test box shows 23 volts minimum.
S 865-055
(11)
Set the LOAD CHECK switch on the squib circuit test box to the ON position.
(a) Make sure the multimeter on the squib circuit test box shows 16 volts minimum.
NOTE: If the voltage is less than 16 volts, the circuit may
____ not give sufficient current to fire the squib.
S 865-057
(12) Release the BTL DISCH 1 switch.
(a)
Make sure the multimeter on the squib circuit test box shows 0 volts.
(b)
Make sure the BOTTLE DISCHARGE light on the squib circuit test box goes off.
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