(3)  
Supply electrical power (Ref 24-22-00).

 S 864-054
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757
MAINTENANCE MANUAL

 S 864-008

 (4)  Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P6 panel: (a) 6H1, FIRE EXTINGUISHING ENG L BTL 1 (b) 6H5, FIRE EXTINGUISHING CARGO BTL 1
 (5)  S 864-056On the SQUIB TEST Control Panel, P61, push and hold the TEST switch. (a) Make sure the green CARGO FWD 1 squib test light on the SQUIB TEST Control Panel comes on. (b) Make sure the CARGO AFT 1, CARGO FWD 2 and CARGO AFT 2 squib test lights stay off.
 (6)  S 864-060Release the TEST switch. (a) Make sure the CARGO FWD 1 squib test light goes off.
 (7)  S 864-062Open this circuit breaker on the P6 panel and attach a DO-NOT-CLOSE tag: (a) 6H5, FIRE EXTINGUISHING CARGO BTL 1
 (8)  S 434-063Do the Squib Electrical Connection procedure to connect the electrical connector, D4414, to the AFT squib of bottle 1.
 (9)  S 864-064Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P6 panel: (a) 6H5, FIRE EXTINGUISHING CARGO BTL 1
 S 864-065

 (10) On the SQUIB TEST Control Panel, P61, push and hold the TEST switch.
 (a)  
Make sure the green CARGO FWD 1 and CARGO AFT 1 squib test lights on the SQUIB TEST Control Panel come on.

 (b)  
Make sure the CARGO FWD 2 and CARGO AFT 2 squib test lights stay off.

 S 864-069
 (11) Release the TEST switch.
 (a)  Make sure the CARGO FWD 1 and CARGO AFT 1 squib test lights go off.
 S 864-071
 (12) Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P6 panel:
 (a)  6H6, FIRE EXTINGUISHING CARGO BTL 2
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
 I. Connect the bottle 2 squib connectors, if applicable.
 S 864-072
 (1)  Make sure these circuit breakers on the P6 panel are open:
 (a)  
6H5, FIRE EXTINGUISHING CARGO BTL 1

 (b)  
6H6, FIRE EXTINGUISHING CARGO BTL 2

 S 434-073
 (2)  
Do the Squib Electrical Connection procedure to connect the
 electrical connector, D4418, to the FWD squib of bottle 2.

 S 864-074

 (3)  
Supply electrical power (Ref 24-22-00).

 S 864-025

 (4)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P6 panel:

 (a)  
6H1, FIRE EXTINGUISHING ENG L BTL 1

 (b)  
6H6, FIRE EXTINGUISHING CARGO BTL 2

 S 864-076
 (5)  On the SQUIB TEST Control Panel, P61, push and hold the TEST switch.
 (a)  
Make sure the green CARGO FWD 2 squib test light on the SQUIB TEST Control Panel comes on.

 (b)  
Make sure the CARGO FWD 1, CARGO AFT 1, and CARGO AFT 2 squib test lights stay off.

 S 864-080
 (6)  Release the TEST switch.
 (a)  Make sure the CARGO FWD 2 squib test light goes off.
 S 864-082
 (7)  Open this circuit breaker on the P6 panel and attach a DO-NOT-CLOSE tag:
 (a)  6H6, FIRE EXTINGUISHING CARGO BTL 2
 S 434-083
 (8)  
Do the Squib Electrical Connection procedure to connect the
 electrical connector, D4420, to the AFT squib of bottle 2.

 S 864-084

 (9)  
Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P6 panel:

 (a)  6H6, FIRE EXTINGUISHING CARGO BTL 2
 S 864-085
 (10) On the SQUIB TEST Control Panel, P61, push and hold the TEST switch.
 (a)  
　
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