26-21-03
 ALL  ú ú 02 Page 605 ú Sep 28/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL

 S 216-030
 (14)
 Make sure the BOTTLE DISCHARGE light on the squib test box comes on.

 S 216-031

 (15)
 Make sure the multimeter on the squib test box shows 16 volts minimum.

 NOTE: If voltage is less than 16 volts, the circuit may not give
____
 sufficient current to fire the squib.

 S 866-032
 (16) Release the LEFT engine fire handle.
 (a)  
Make sure the fire handle moves quickly toward center about 10 degrees.

 (b)  
Make sure the BOTTLE DISCHARGE light on the squib test box goes off.

 (c)  
Make sure the multimeter on the squib test box shows 0 |2 volts.

 S 986-095
 (17)
 Set the LOAD CHECK switch on the squib test box to the OFF position.

 S 026-096

 (18)
 Disconnect the bottle 1 left engine squib connector, D2188, from the squib test box adapter cable.

 S 426-097

 (19)
 Connect the bottle 2 left engine squib connector, D2268, to the squib test box adapter cable.

 S 866-098

 (20)
 Set the LOAD CHECK switch on the squib test box to the ON position.

 S 866-099

 (21)
 Turn and hold the LEFT engine fire handle fully clockwise to the DISCH 2 position.

 (a)  
Make sure the BOTTLE DISCHARGE light on the squib test box comes on.

 (b)  
Make sure the multimeter on the squib test box shows 16 volts minimum.

 NOTE: If voltage is less than 16 volts, the circuit may not
____ give sufficient current to fire the squib.
 S 866-100
 (22) Open this circuit breaker on the P6 panel:
 (a)  6H2, FIRE EXTINGUISHING ENG L BTL 2
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 26-21-03
 ALL  ú ú 03 Page 606 ú Sep 28/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL

 S 766-101
 (23)
 Make sure the BOTTLE DISCHARGE light on the squib test box goes off.

 S 216-102

 (24)
 Make sure the multimeter on the squib test box shows 0 |2 volts.

 S 866-103

 (25)
 Close this circuit breaker on the P6 panel:

 (a)  6H2, FIRE EXTINGUISHING ENG L BTL 2
 S 216-035
 (26)
 Make sure the BOTTLE DISCHARGE light on the squib test box comes on.

 S 216-036

 (27)
 Make sure the multimeter on the squib test box shows 16 volts minimum.

 NOTE: If voltage is less than 16 volts, the circuit may not give
____
 sufficient current to fire the squib.

 S 986-104
 (28) Release the LEFT engine fire handle.
 (a)  
Make sure the fire handle moves quickly toward center about 10 degrees.

 (b)  
Make sure the BOTTLE DISCHARGE light on the squib test box goes off.

 (c)  
Make sure the multimeter on the squib test box shows 0 |2 volts.

 S 986-105
 (29)
 Put the LEFT engine fire handle to the usual (vertical) position.

 (a)  Make sure the EICAS message, L ENG SHUTDOWN, does not show on the top display.

 (30)
 Set the LOAD CHECK switch on the squib test box to the OFF position.

 S 026-107

 (31)
 Disconnect the bottle 2 left engine squib connector, D2268, from the squib test box adapter cable.

 S 426-108

 (32)
 Connect the bottle 1 right engine squib connector, D2190, to the squib test box adapter cable.

 (33)
 Set the LOAD CHECK switch on the squib test box to the ON position.

 S 986-106
 S 986-109
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 26-21-03
 ALL  ú ú 03 Page 607 ú Sep 28/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
　
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