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时间:2011-04-20 07:49来源:蓝天飞行翻译 作者:航空
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Make sure the AUTO INOP light, on the P5 panel, comes on.

 (b)  
Make sure the EICAS caution message CABIN AUTO INOP does show on the upper display.


 S 865-043
 (19)
 Turn the MODE SELECT selector, on the P5 panel, to the AUTO 1 position.

 (a)
Make sure the AUTO INOP light, on the P5 panel, goes off.


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 21-31-00
 ALL  ú ú 02 Page 511 ú Jan 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
 (b)  Make sure the EICAS caution message CABIN AUTO INOP does not show on the upper display.
 S 865-079
 (20)
 GUN 004-007; Make sure the ON light of the HIGH ALT LDG switchlight, on the P5 panel, is not on.

 S 015-046

 (21)
 Open the main-equipment-center access-door, 119BL (AMM 06-41-00/201) and find the P36 panel.

 S 015-047

 (22)
 Open the door of left miscellaneous-electrical-equipment panel P36.

 S 025-048

 (23)
 Remove the electrical connector D3230 from the cabin-altitude-warning switch S431.

 S 485-049

 (24)
 Install a jumper wire between pin 1 and pin 2 of the electrical connector.

 (a)  
Make sure the CABIN ALTITUDE light, on the P5 panel, comes on.

 (b)  
Make sure the CABIN ALT light, on the main-instrument panel, P1, comes on.

 (c)  
Make sure the EICAS caution message CABIN ALTITUDE does show on the upper display.


 WARNING:_______ BE VERY CAREFUL WHEN THE P36 PANEL DOOR IS OPEN.  THE P36
 PANEL HAS HIGH-VOLTAGE CIRCUITS THAT CAN CAUSE INJURY TO
 PERSONNEL.

 NOTE: The master warning lights and the aural warning
____ siren will also come on.
 S 085-050
 (25)
 Remove the jumper from the cabin-altitude-warning switch S431 and the electrical connector.

 S 425-051

 (26)
 Install the electrical connector D3230 to the cabin-altitude-warning switch S431.

 (a)  
Make sure the CABIN ALTITUDE light, on the P5 panel, goes off.

 (b)  
Make sure the CABIN ALT light, on the P1 panel, goes off.

 (c)  
Make sure the EICAS caution message CABIN ALTITUDE does not show on the upper display.


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 21-31-00
 ALL  ú ú 07 Page 512 ú May 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 D. Do the air/ground disagree test
 S 865-072
 (1)  
Open these circuit breakers, on the P11 panel:

 (a)  
11C30, LANDING GEAR POSITION SYS 1

 (b)  
11S23, LANDING GEAR POSITION SYS 2


 S 025-053
 (2)  
Remove the sys-1-air/ground relay K10238 from the P36 panel.

 S 865-068

 (3)  
Close these circuit breakers on the P11 panel:

 (a)  
11C30, LANDING GEAR POSITION SYS 1

 (b)  
11S23, LANDING GEAR POSITION SYS 2


 S 735-054
 (4)  
Make sure the EICAS status message AIR/GND DISAGREE does show on the lower display.

 S 865-055

 (5)  
Open these circuit breakers on the P11 panel:

 (a)  
11C30, LANDING GEAR POSITION SYS 1

 (b)  
11S23, LANDING GEAR POSITION SYS 2


 S 425-056
 (6)  
Install the sys-1-air/ground relay K10238 to the P36 panel.

 S 865-057

 (7)  
Close these circuit breakers on the P11 panel:

 (a)  
11C30, LANDING GEAR POSITION SYS 1

 (b)  
11S23, LANDING GEAR POSITION SYS 2


 S 865-058
 (8)
Do the Maintenance Message Erase procedure (AMM 31-41-00/201).

 (a)  
Make sure the EICAS status message AIR/GND DISAGREE does not show on the lower display.


 S 415-059
 (9)  Close the door on the P36 panel.
 
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