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

 (b)  
11C12, STAB TRIM SHUTOFF LEFT

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MAINTENANCE MANUAL

 (c)  
11C13, STAB TRIM SHUTOFF RIGHT

 (d)  
11C05 OR 11H11, STAB TRIM CONTROL 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 ú ú S 014-008 ú (6) Open the forward compartment access door, 113AL (AMM 06-41-00/201).
 D. Remove the Captain's and the First Officer's Torque Tube Bearings
 S 014-009
 (1) Disconnect the applicable control column from the torque tube ú (AMM 27-31-10/401).
 NOTE: It is not necessary to completely remove the control
____ columns. It is sufficient to lift the control column above the floor after you disengage it from the torque tube.
 S 014-010
 (2)  
Remove the crank for the stabilizer cutoff switch assembly.

 S 014-011

 (3)  
Disconnect the elevator control rod from the crank and shaft assembly.

 S 014-012

 (4)  
Remove the bracket, stop, and the crank and shaft assembly from the torque tube.

 S 034-013

 (5)  
Remove the crank and shaft assembly from the stop.

 S 034-014

 (6)
On the Captain's side, remove the bracket from the stop.

 S 024-015

 (7)  
Remove the bearing from the stop.

 TASK 27-31-11-404-016
 3. Install the Control Coloumn Torque Tube Bearings
________________________________________________
 A. Consumable Materials ú (1) D00633 Grease, Corrosion Preventive - BMS 3-33 (Recommended) ú (2) D00013 Grease - MIL-PRF-23827 (Alternative)
 B. References ú (1) AMM 06-41-00/201, Fuselage Access Doors and Panels
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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 ALL  ú ú 02.1 Page 402 ú Sep 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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757
MAINTENANCE MANUAL

 ú (2) AMM 24-22-00/201, Electrical Power - Control ú (3) AMM 27-31-10/401, Control Column - Removal/Installation ú (4) AMM 27-41-01/401, Stabilizer Trim Control Wheel Switch
 C.  Access
 (1)  
Location Zones
 113/114 Area Forward of NLG Wheel Well
 211/212 Control Cabin

 (2)  
Access Panels
 113AL Forward Compartment Access Door

 D.
Install the Captain's and the First Officer's Torque Tube Bearings

 S 644-017
 (1)
Apply a layer of grease to the bearing.

 S 424-018

 (2)
Install the bearing in the stop.

 S 434-019

 (3)
For the Captain's side, attach the stop to the bracket.

 S 434-020

 (4)
Install the crank and shaft assembly in the bearing.

 NOTE: Be careful that the weight of the crank and shaft
____ assembly does not cause damage to the bearing.
 S 434-021
 (5)
Install the nut on the crank and shaft assembly.

 (a)
If you use the self-locking nut, do these steps:

 1)  Turn the self-locking nut to get the torque measure and write down this quantity.
 NOTE: The torque measure must be between 50 and 150 lb-in
____ ú (5.7-17.0 newton meters). ú 2) Add 200-300 lb-in (22.6-33.9 newton meters) to the torque ú measure to get the required torque value.
 NOTE: The required torque value will be between 250
____ ú and 450 lb-in (28.3 and 50.9 newton meters).
 3)  Torque the self-locking nut to the required torque value.
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