S 865-140
 (a)  6H3, FIRE EXTINGUISHING ENG R BTL 1
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A
757
MAINTENANCE MANUAL

 S 215-139
 (39)
 Make sure the BOTTLE DISCHARGE light on the squib circuit test box comes on.

 S 215-140

 (40)
 Make sure the multimeter on the squib circuit 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 865-207
 (41) Release the RIGHT 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 circuit test box goes off.

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

 S 865-208
 (42)
 Set the LOAD CHECK switch on the squib circuit test box to the OFF position.

 S 025-150

 (43)
 Disconnect the bottle 1 right engine squib connector, D2190, from the squib circuit test box adapter cable.

 S 425-149

 (44)
 Connect the bottle 2 right engine squib connector, D2266, to the squib circuit test box adapter cable.

 S 865-149

 (45)
 Set the LOAD CHECK switch on the squib circuit test box to the ON position.

 S 865-205

 (46)
 Turn and hold the RIGHT engine fire handle fully clockwise to the DISCH 2 position.

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

 (b)  
Make sure the multimeter on the squib circuit 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.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
 S 865-146
 (47) Open this circuit breaker on the P6 panel:
 (a)  6H4, FIRE EXTINGUISHING ENG R BTL 2
 S 215-159
 (48)
 Make sure the BOTTLE DISCHARGE light on the squib circuit test box goes off.

 S 215-160

 (49)
 Make sure the multimeter on the squib circuit test box shows 0 |2 volts.

 S 865-158

 (50)
 Close this circuit breaker on the P6 panel:

 (a)  6H4, FIRE EXTINGUISHING ENG R BTL 2
 S 215-145
 (51)
 Make sure the BOTTLE DISCHARGE light on the squib circuit test box comes on.

 S 215-146

 (52)
 Make sure the multimeter on the squib circuit 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 865-157
 (53) Release the RIGHT 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 circuit test box goes off.

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

 S 865-209
 (54) Put the RIGHT engine fire handle to the usual (vertical) position.
 (a)  Make sure the EICAS message, R ENG SHUTDOWN, does not show on the top display.
 S 865-154
 (55)
 Set the LOAD CHECK switch on the squib circuit test box to the OFF position.

 S 025-153

 (56)
 Disconnect the bottle 2 right engine squib connector, D2266, from the squib circuit test box adapter cable.

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