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A

757
MAINTENANCE MANUAL

 S 865-091
 (65)
 Open this circuit breaker on the P6 panel and attach a DO-NOT-CLOSE tag:

 (a)
6H23, L FWD FUEL BOOST PUMP

 S 865-092
 (66)
 Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P11 panel:

 (a)
11D35, FUEL DC PUMP CONT

 S 285-093
 (67) Listen and make sure that the APU DC fuel pump operates.
 NOTE: The APU DC fuel pump is found approximately three feet
____ left of the middle of the body on the center tank rear spar.
 S 865-094
 (68)
 Push the ECS MSG switch on the EICAS MAINT panel on the right side panel, P61.

 S 215-095

 (69)
 Make sure the EICAS message, DC FUEL PUMP ON, shows on the bottom display.

 S 865-096

 (70)
 Open this circuit breaker on the P11 panel and attach a DO-NOT-CLOSE tag:

 (a)
11D35, FUEL DC PUMP CONT

 S 215-097
 (71)
 Make sure the EICAS message, DC FUEL PUMP ON, does not show on the bottom display.

 S 865-214

 (72)
 Put the APU master control switch to the OFF position.

 S 865-098

 (73)
 Open these circuit breakers on the E6 rack and attach the DO-NOT-CLOSE tags:

 (a)
E6, APU START

 (b)
E6, APU BAT-APU CONT UNIT

 S 865-099
 (74)
 Open this circuit breaker on the P11 panel and attach DO-NOT-CLOSE tags:

 (a)
11B34, APU ALTN CONT

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