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时间:2011-04-21 08:04来源:蓝天飞行翻译 作者:航空
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A

757
MAINTENANCE MANUAL

 S 215-333
 (3)  Make sure these circuit breakers on the P11 panel are closed: (a) 11A10, AIR DATA CMPTR LEFT (b) 11A11, AIR DATA AOA SENSOR LEFT (c) 11A12, AIR DATA BARO CORRECT LEFT (d) 11C30, LANDING GEAR POS SYS 1 (e) 11F30, AIR DATA CMPTR RIGHT (f) 11F31, AIR DATA AOA SENSOR RIGHT (g) 11F32, AIR DATA BARO CORRECT RIGHT (h) 11J11, PCU MON MOD (i) 11S15, AIR/GND SYS 1 (j) 11S19, AIR/GND SYS 2 (k) 11S23, POS SYS 2
 S 445-334
 (4)  Set the left AC bus to ON (AMM 24-22-00/201).
 S 215-335
 (5)  Make sure the left and right RRCM test switches are in their NORMAL positions.
 S 045-336

 WARNING: DO THE DEACTIVATION PROCEDURE FOR THE SPOILERS OR MOVE ALL
_______ PERSONS AND EQUIPMENT AWAY FROM THE SPOILERS. THE SPOILERS CAN RETRACT QUICKLY AND CAUSE INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
 (6)  
Do the deactivation procedure for the spoilers (AMM 27-61-00/201) or move all persons and equipment away from the spoilers.

 S 865-337

 (7)  
Open these circuit breakers on the P11 panel and attach DO-NOT-CLOSE tags:

 (a)  
11A18, YAW DAMPER LEFT


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 27-21-00
 ALL  ú ú 08 Page 579 ú May 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.

757 
MAINTENANCE MANUAL
 (b)  11C6, CSEU 1L AC
 or FLT CONT ELEC 1L AC
 (c)  11C7, CSEU 1L DC
 or FLT CONT ELEC 1L DC
 (d)  11C8, CSEU 2L AC
 or FLT CONT ELEC 2L AC
 (e)  11C9, CSEU 2L DC
 or FLT CONT ELEC 2L DC
 (f)  11F34, YAW DAMPER RIGHT
 (g)  11G17, CSEU 1R AC
 or FLT CONT ELEC 1R AC
 (h)  11G18, CSEU 1R DC
 or FLT CONT ELEC 1R DC
 (i)  11G27, CSEU 2R AC
 or FLT CONT ELEC 2R AC
 (j)  11G28, CSEU 2R DC
 or FLT CONT ELEC 2R DC

 (8)  S 025-338Remove the two yaw damper modules (M522, M523) in the main electronics equipment center (AMM 22-21-04/401).
 (9)  S 425-339Install the two yaw damper simulator modules.
 S 865-340

 (10)
 Move the RUDDER DISPLACEMENT switch to OFF on the two yaw damper module simulators.

 S 865-555

 (11)
 Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:

 (a)
11A18, YAW DAMPER LEFT

 (b)  
11C6, CSEU 1L AC or FLT CONT ELEC 1L AC

 (c)  
11C7, CSEU 1L DC or FLT CONT ELEC 1L DC

 (d)  
11C8, CSEU 2L AC or FLT CONT ELEC 2L AC

 (e)  
11C9, CSEU 2L DC or FLT CONT ELEC 2L DC

 (f)
11F34, YAW DAMPER RIGHT

 (g)  
11G17, CSEU 1R AC or FLT CONT ELEC 1R AC

 (h)  
11G18, CSEU 1R DC or FLT CONT ELEC 1R DC

 (i)  
11G27, CSEU 2R AC or FLT CONT ELEC 2R AC

 (j)  
11G28, CSEU 2R DC or FLT CONT ELEC 2R DC


 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-21-00
 ALL  ú ú 11 Page 580 ú May 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 S 865-342
 (12)
 Open this circuit breaker on the P11 panel and attach a DO-NOT-CLOSE tag:

 (a)  
11J10, PCU MON SENSOR


 S 015-343
 (13)
 Open the access door 324CL (AMM 06-42-00/201).

 S 035-389

 (14)
 Disconnect the connectors D4714 and D4712 from the middle and bottom rudder PCAs.

 S 435-344

 (15)
 Connect each connector, D4712 and D4714, to the test box.


 NOTE: If you do not have a test box, connect a 750 ohm, 10 watt
____ resistor between pin 1 and pin 2 at each PCA electrical connector.
 S 865-345
 (16)
 Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P11 panel:

 (a)  
11J10, PCU MON SENSOR


 
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