S 094-087

 (19)
 Remove the DO-NOT-OPERATE tags from the control columns.

 S 864-044

 (20)
 Release the control columns and put them back to the center position.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-31-05
 ALL  ú ú 01 Page 421 ú May 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 S 864-093
 (21)
 Remove the DO-NOT-CLOSE tags and close these circuit breakers on the overhead panel, P11:

 (a)
11B19, STAB TRIM ALT (IF INSTALLED)

 (b)
11C12, STAB TRIM SHUTOFF RIGHT

 (c)
11C13, STAB TRIM SHUTOFF LEFT

 (d)
11H11 or 11C05, STAB TRIM CONT L

 (e)
11H17, FLT CONT SHUTOFF TAIL LEFT

 (f)
11H18, FLT CONT SHUTOFF TAIL CTR

 (g)
11H20, STAB TRIM CONT R

 (h)
11H28, FLT CONT SHUTOFF TAIL RIGHT

 (i)
11J10, PCU MON SENSOR

 (j)
11J11, PCU MON MOD

 S 864-094
 (22)
 Move the RIGHT and LEFT STAB TRIM SHUTOFF valve switches on the control stand panel, P10, to the NORM position.

 S 864-095

 (23)
 Put the L, R, and C FLT CONTROL SHUTOFF switches on the right side panel, P61, to the ON position.

 S 824-048

 (24)
 Adjust the power control actuator (AMM 27-31-00/501).

 S 724-049

 (25)
 Do a test on the elevator travel limits (AMM 27-31-00/501).

 S 724-096

 (26)
 Do a test on the Elevator PCU Monitor System (AMM 27-31-00/501).

 F.
Put the Airplane Back to Its Usual Condition

 (1)
Install the trailing edge beam and the seal panel.

 S 424-017
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
 S 414-097
 (2)  
Install the PCA access panels, 335DB or 345DB, as necessary (AMM 06-42-00/201).

 S 864-019

 (3)  
Remove electrical power (AMM 24-22-00/201).

 TASK 27-31-05-024-099
 6.  Remove the Elevator Idler Link______________________________
 A. Equipment
 (1)  
Lock Assemblies from the Elevator PCA Lockout Equipment, B27009-12:

 (a)  
Lock Assembly, PCA, B27009-2

 NOTE:____The PCA lock assembly is installed on the PCA. It contains a shear-out device that can help prevent any damage caused by accidental operation during maintenance.

 (b)  
Lock Assembly, PCA Input Linkage, B27009-3

 NOTE: The input linkage lock assembly holds the linkage in
____ the elevator at the up position during maintenance. It is installed on the center PCA linkage.
 B. References
 (1)  
AMM 06-42-00/201, Empennage Access Doors and Panels

 (2)  
AMM 24-22-00/201, Electrical Power - Control

 (3)  
AMM 27-02-00/601, Flight Controls Surfaces

 (4)  
AMM 27-31-05/601, Elevator Power Control Actuator

 (5)  
AMM 27-61-00/201, Spoiler/Speedbrake Control System

 (6)  
AMM 29-11-00/201, Main (Left, Right and Center) Hydraulic Systems

 C.
Access

 (1)  
Location Zones 211/212 Control Cabin 335/345 Horizontal Stabilizer, Rear Spar to Trailing Edge

 (2)  
Access Panels 335DB/345DB Left/Right Elevator, PCU's and Control Linkage

 D.
Prepare for the Removal

 S 844-100
 (1)  
Prepare for removal with the instructions given in the "Prepare for Removal" paragraph.

 E.
Idler Link Removal (Fig. 401)

 S 024-101
 (1)  
Do these two steps only if you remove the right outboard PCA idler link:

 (a)  
Remove the screws (one on each end) that connect the pressure sensor conduit to the stabilizer rear spar (Fig. 403).
　
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