757
MAINTENANCE MANUAL

CONTROL COLUMN CAPTAIN'S  REFERENCE POINT CONTROL COLUMN FINGER BSEE 
CONTROL COLUMN FIRST OFFICER'S 
A  COLUMNS CONTROL SEE A 
A  BASE CONTROL COLUMN SHAFT ASSEMBLY CRANK AND 
CONTROL COLUMNS 
A  1 CONTROL COLUMN POINT FINGER REFERENCE 
CONTROL COLUMN 

STOP
CRANK AND SHAFT ASSEMBLY
RIG PIN E/ST-6 HOLE
CONTROL COLUMN FINGER REFERENCE POINT 
A-A  B 
1  THE CONTROL COLUMN FINGER REFERENCE THE CENTER OF THE CONTROL WHEEL HUB POINT IS 1.0 INCH (25.4 mm) BELOW 

Control Column Inspection/Check
Figure 601

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-31-10
 ALL  ú ú 01 Page 602 ú Jan 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 S 496-007
 (2)  Insert a wood block between the crank and shaft assembly and the stop.
 NOTE: The wood block will hold the control column crank and the
____
 shaft assembly in one position.

 S 866-008
 (3)  
Push forward on the control column at the finger reference point with approximately a one pound force.

 S 216-009

 (4)  
Make sure that the control column base and the crank and shaft assembly do not move in relation to each other.

 F.
Put the Airplane Back to Its Usual Condition

 S 096-010
 (1)  
Remove the wood block from between the crank and shaft assembly and the stop.

 S 096-011

 (2)  
Remove rig pin E/ST6.

 S 866-012

 (3)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:

 (a)  
11C12, STAB TRIM SHUTOFF LEFT

 (b)  
11C13, STAB TRIM SHUTOFF RIGHT

 (c)  
11H17, FLT CONT SHUTOFF TAIL LEFT

 (d)  
11H18, FLT CONT SHUTOFF TAIL CENTER

 (e)  
11H28, FLT CONT SHUTOFF TAIL RIGHT

 (4)  
Remove electrical power (Ref 24-22-00).

 (5)
Close the forward compartment access door, 113AL (Ref 06-41-00).

 S 866-013
 S 416-014
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 27-31-10
 ALL  ú ú 01 Page 603 ú Mar 20/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 CONTROL COLUMN TORQUE TUBE BEARING - REMOVAL/INSTALLATION
_________________________________________________________
 1. General
_______
 A. This procedure contains two tasks. The first task removes the torque ú tube bearings from the control column. The second task installs the ú torque tube bearings on the control column. The removal and installation ú procedure is the same for the Captain's and the First Officer's bearings.
 TASK 27-31-11-004-001
 2. Remove the Control Column Torque Tube Bearings
_______________________________________________
 A. References ú (1) AMM 06-41-00/201, Fuselage Access Doors and Panels ú (2) AMM 24-22-00/201, Electrical Power - Control ú (3) AMM 27-31-10/401, Control Column - Removal/Installation
 B. Access
 (1)  
Location Zones
 113/114 Area Forward of NLG Wheel Well
 211/212 Control Cabin

 (2)  
Access Panels
 113AL Forward Compartment Access Door

 C.
Prepare for the Removal ú ú S 864-002 ú (1) Supply electrical power (AMM 24-22-00/201).

 S 864-003
 (2)  
Make sure the control columns are at neutral.

 S 864-004

 (3)  
Put the R, L, and C FLT CONTROL SHUTOFF switches on the right side panel, P61, to the OFF position.

 S 864-006

 (4)  
Put the RIGHT and CENTER STAB TRIM SHUTOFF valve switches on the control stand panel, P10, to the CUTOUT position.

 S 864-007

 (5)  
Open these circuit breakers on the overhead panel, P11, and attach DO-NOT-CLOSE tags.
　
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