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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 (b) If you use the lock washer and nut, do these steps:
 1) Attach the lock washer and the nut.
 ú  2) Torque the nut to 200-300 lb-in (22.6-33.9 newton meters).
 3) Bend one tang of the washer to put it in one slot of the
 nut.
 S 414-022
 (6) Install the bracket, stop, and the crank and shaft assembly to the
 torque tube.
 S 414-023
 (7) Install the applicable control column to the torque tube
 ú  (AMM 27-31-10/401).
 S 864-024
 (8) Remove the DO-NOT-CLOSE tags and close these circuit breakers on the
 overhead circuit breaker panel, P11:
 (a) 11B19, STAB TRIM ALT (IF INSTALLED)
 (b) 11C12, STAB TRIM SHUTOFF LEFT
 (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
 S 864-025
 (9) Put the L, R, and C FLT CONTROL SHUTOFF switches on the sidewall
 panel, P61, to ON.
 S 714-026
 (10) Make sure the stabilizer trim control wheel switches operate
 ú  correctly (AMM 27-41-01/401).
 E.  Put the Airplane Back to Its Usual Condition
 S 864-027
 (1) Remove the electrical power if it is not necessary
 ú  (AMM 24-22-00/201).
 S 414-028
 (2) Close the forward compartment access door, 113AL
 ú  (AMM 06-41-00/201).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-31-11
 ALL  ú ú 02.1 Page 404 ú Sep 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 ELEVATOR FORWARD QUADRANT/TENSION REGULATOR - REMOVAL/INSTALLATION
__________________________________________________________________
 1.  General_______
 A.  This procedure contains steps to remove and install the forward quadrant/tension regulator for the elevator control system.
 TASK 27-31-12-024-001
 2.  Remove the Quadrant/Tension Regulator_____________________________________
 A.  Equipment
 (1)  
Rig Pins from Set B20003-XX (Ref 20-10-24):

 (a)  
E/ST6 - P/N B20003-21

 (b)  
E/ST7 - P/N B20003-21

 (2)  
Cable Tension Relief Holder, Elevator Tension Regulator - B27063-1

 B.  
References

 (1)  
06-41-00/201, Fuselage Access Doors and Panels

 (2)  
06-42-00/201, Empennage Access Doors and Panels

 (3)  
20-10-24/201, Rig Pins

 C.  
Access

 (1)  
Location Zones 113/114 Area Forward of NLG Wheel Well 211/212 Control Cabin 313/314 Stabilizer Center Section Compartment

 (2)  
Access Panels
 113AL Forward Equipment Bay
 313AL Elevator Aft Quadrants

 D.  
Prepare for the Removal

 S 864-002
 (1)  
Put the R, L, and C FLT CONTROL SHUTOFF switches on the right side panel, P61, to the OFF position.

 S 864-003

 (2)  
Put the RIGHT and CENTER STAB TRIM SHUTOFF valve switches on the control stand panel, P10, to the CUTOUT position.

 S 864-004

 (3)  
Open these circuit breakers on the overhead panel, P11, and attach DO-NOT-CLOSE tags:

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

 (b)  
11C12, STAB TRIM SHUTOFF LEFT

 (c)  
11C13, STAB TRIM SHUTOFF RIGHT

 (d)  
11H11 or 11C05, STAB TRIM CONT L

 (e)  
11H17, FLT CONT SHUTOFF TAIL LEFT

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 27-31-12
 ALL  ú ú 02 Page 401 ú Jan 20/99
　
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