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 S 045-059
 (1)  Do the deactivation procedure for the spoilers (AMM 27-61-00/201) or remove all the persons and equipment from the spoiler area.
 S 865-060
 WARNING:  MAKE SURE THE SPOILERS ARE DEACTIVATED OR THAT ALL PERSONS AND
_______ EQUIPMENT ARE REMOVED FROM THE SPOILER AREA. POWER SOURCES ARE CHANGED AS SWITCHES ARE PUSHED OR CIRCUIT BREAKERS ARE OPENED, WHICH CAN CAUSE THE SPOILERS TO MOVE. ACCIDENTAL MOVEMENT OF THE SPOILERS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (2)  Supply electrical power (AMM 24-22-00/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 D. Do the Operational Test of the DC Generation System
 S 865-010
 (1)  
Push the ELEC HYD switch on the EICAS MAINT panel on the right side panel, P61.

 S 865-011

 (2)  
Do these steps at the standby power control panel on the pilots' overhead panel (P5):

 (a)  
Make sure the STBY POWER switch is in the AUTO position.

 (b)  
Make sure the ON light in the BAT switch is on.

 (c)  
AIRPLANES WITH 30-MINUTE STANDBY POWER;
 Make sure the DISCH light is off.

 (d)  
AIRPLANES WITH EXTENDED STANDBY POWER; Make sure the MAIN BAT DISCH and the APU BAT DISCH lights are off.

 (e)  
Make sure the standby bus OFF light is off.

 

 S 215-012
 (3) Make sure these DC-V values show on the bottom EICAS display:
 (a)  
L = 28 |2

 (b)  
R = 28 |2

 (c)  
STBY/BAT = 28 |2

 (d)  
APU/BAT = 28 |2

 S 215-013
 (4)  Make sure these DC-A values show as positive and not zero on the bottom EICAS display:
 (a)  
L

 (b)  
R

 S 215-014
 (5)  Make sure these values show below STBY/BAT on the bottom EICAS display:
 (a)  AC-V = 115 |5
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 (b)  FREQ = 400 |5
 S 215-015
 (6)  
Make sure these EICAS messages do not show on the top EICAS display:

 (a)  
STANDBY BUS OFF

 (b)  
BATTERY OFF

 (c)  
MAIN BAT DISCH

 (d)  
AIRPLANES WITH EXTENDED STANDBY POWER;
 APU BAT DISCH

 

 (10)
 Turn the STBY POWER switch on the P5 panel to the AUTO position.

 S 215-386

 (11)
 Push the BAT switch on the P5 panel to the ON position and do a check as follows:

 (a)  
Make sure the amber OFF light in the switch is off.

 (b)  
Make sure the EICAS message, BATTERY OFF, does not show on the upper display.

 

 S 215-382
 (7)  Make sure the EICAS messages do not show on the lower display: (a) STBY INVERTER (b) MAIN BAT CHGR (c) AIRPLANES WITH EXTENDED STANDBY POWER; APU BAT CHGR
 APU BAT NO STBY
 S 215-383
 (8)  Turn the STBY POWER switch on the P5 panel to the OFF position and do a check as follows:
 (a) (b)  Make sure the EICAS message, STANDBY BUS OFF, shows on the upper display.Make sure the standby bus OFF light on the P5 panel is on.
 S 215-384
 (9)  Push the BAT switch on the P5 panel to the OFF position and do a check as follows:
 (a) (b)  Make sure the amber OFF light in the switch is on.Make sure the EICAS message, BATTERY OFF, shows on the upper display.
 S 865-385

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