27-31-11
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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).
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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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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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