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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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 S 865-215

 (8)  
Remove the DO-NOT-OPERATE tags and move the YAW DAMPER switches L and R on the P5 panel to ON. Make sure the switch position lights are ON.

 N.
PCA Bottomed Travel and PCA Monitor - Test


 S 865-020
 WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES WHEN
_______ HYDRAULIC POWER IS SUPPLIED. AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED SURFACES. INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
 (1)  Supply pressure to the left, right, and center hydraulic systems (AMM 29-11-00/201).
 S 045-022
 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 INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (2)  
Do the deactivation procedure for the spoilers (AMM 27-61-00/201) or move all persons and equipment away from the spoilers.

 S 825-613

 (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)  
11J10, PCU MON SENSOR

 (i)  
11J11, PCU MON MOD

 (j)  
11S15, AIR/GND SYS 1

 (k)  
11S19, AIR/GND SYS 2


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 27-21-00
 ALL  ú ú 05 Page 572 ú Jan 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 (l)  11S23, POS SYS 2
 (4)  S 445-217Set the left AC bus to ON (AMM 24-22-00/201).
 (5)  S 215-218Make sure the left and right RRCM test switches are in their NORMAL positions.
 S 045-021

 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 INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (6)  
Open these circuit breakers on the P11 panel and attach DO-NOT-CLOSE tags:

 (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 07 Page 573 ú May 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 (7)  S 025-220Remove the two yaw damper modules (M522, M523) in the main electronics equipment center (AMM 22-21-04/401).
 (8)  S 425-221Install the two yaw damper simulator modules.
 (9)  S 865-222Move the RUDDER DISPLACEMENT switch to OFF on the two yaw damper module simulators.
 S 865-223

 (10)
 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 CONE 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
 
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