24-30-00
ALL ú ú 01 Page 501 ú May 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
24-30-00
ALL ú ú 04 Page 502 ú May 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址:757 AMM 飞机维护手册 电源 ELECTRICAL POWER 2(21)