S 862-065
 (24)
 Supply pressure to the left, right, and center hydraulic systems (Ref 29-11-00).

 S 212-066

 (25)
 Move the TEST switch on one of the two RRCMs to the TEST position. Stop for 30 seconds and then do these steps:

 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.
 (a)  Turn the rudder trim switch to put the rudder in its neutral position and do this step:
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-21-20
 ALL  ú ú 01 Page 219 ú Jan 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
 (b)  Keep a record of the rudder position.
 NOTE: This is the datum position.
____
 S 222-079
 (26)
 Move the TEST switch on the RRCM to NORMAL.  Stop for 30 seconds and then do this check:

 (a)  
Make sure the rudder is not more than 0.15 inch (3.8 mm) away from the datum position.

 S 862-083
 CAUTION: AVOID RUDDER SURFACE TRAVEL TO THE EXTREME FAR LEFT PRIOR TO OR
_______ DURING RUDDER ADJUSTMENT. FULL LEFT TRAVEL OF THE RUDDER BEFORE RIGGING COMPLETION RESULTS IN FULL RETRACTION OF THE PCA'S. THIS MAY CAUSE SURFACE CONTACT BETWEEN THE RUDDER LEADING EDGE AND A PCA.
 (27)
 Move the pilots left rudder pedal to its full forward position and do this check:

 (a)  
Make sure the rudder trailing edge moves left 40.05 - 43.03 inches (30.6 +1.26/-1.0 degrees).

 S 222-068
 (28)
 Move the pilots right rudder pedal to its full forward position and do this check:

 (a)  
Make sure the rudder trailing edge moves right 40.05 - 43.03 inches (30.6 +1.26/-1.0 degrees).

 S 212-069
 (29)
 Move the rudder pedals to their neutral positions and do these checks:

 (a)  
Make sure the RUDDER PCU message is not shown on the EICAS status and maintenance pages.

 (b)  
Make sure there are no leaks at the rudder PCAs.

 J.
Put the Airplane Back to Its Usual Condition

 S 092-070
 WARNING: STAY AWAY FROM THE NOSE WHEELS WHEN THE LOCK PIN IS REMOVED.
_______ THE WHEELS CAN TURN TO THE CENTER POSITION QUICKLY, AND CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (1)  
Make sure the nose wheels are in their center position and remove the towing lever lockpin from the nose gear (Fig. 202).

 (2)  
Close access panel 324CL (Ref 06-42-00).

 S 412-071
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-21-20
 ALL  ú ú 01 Page 220 ú Jan 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 (3)  S 092-072Remove the cover from the APU inlet area.
 (4)  S 862-073Remove the power from the left, right, and center hydraulic systems (Ref 29-11-00).
 (5)  S 862-074Remove electrical power if it is not necessary (Ref 24-22-00).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-21-20
 ALL  ú ú 01 Page 221 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 RUDDER - REMOVAL/INSTALLATION
_____________________________
 1.  General_______
 A.  This procedure contains two tasks. The first task is used to remove the rudder and the second task is used to install it.
 TASK 27-21-21-024-039
 2.  Rudder - Removal________________
 A.  Equipment
 (1)  
Rudder Sling - B27066-36 (Recommended),
　
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：757 AMM 飛機維護手冊 飛行操縱 FLIGHT CONTROLS 2(86)