(2)
Access Panel
311AL Horizontal Stabilizer Access Door
B.
Procedure
S 226-016
(1) Use the supplied data (Fig. 602) to examine the stabilizer trim upper and lower gimbals for too much wear.
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27-41-14
ALL ú ú 01.1 Page 610 ú Sep 28/02
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A
757 MAINTENANCE MANUAL
STABILIZER STANDBY TRIM SWITCH - REMOVAL/INSTALLATION
_____________________________________________________
1. General_______
A. This procedure contains steps to remove and install the standby switch for the stabilizer control system.
TASK 27-41-15-024-001
2. Remove the Standby Switch_________________________
A. References
(1)
24-22-00/201, Electrical Power - Control
(2)
27-61-00/201, Spoiler/Speedbrake Control System
B.
Access
(1)
Location Zones
211/212 Control Cabin
C.
Prepare for the Removal
S 864-002
(1)
Supply electrical power (Ref 24-22-00).
S 864-003
(2)
Put the LEFT and CENTER STAB TRIM SHUTOFF valve switches on the control stand panel, P10, to the CUTOUT position.
S 044-004
WARNING: DO THE DEACTIVATION PROCEDURE FOR THE SPOILERS OR MOVE ALL
_______ PERSONS AND EQUIPMENT AWAY FROM THE SPOILERS. THE SPOILERS CAN RETRACT QUICKLY AND CAUSE INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
(3)
Do the deactivation procedure for the spoilers (Ref 27-61-00) or move all persons and equipment away from the spoilers.
S 864-005
(4)
Open these circuit breakers on the overhead panel, P11, and attach DO-NOT-OPERATE tags:
(a)
11C6, CSEU 1L AC
or FLT CONT ELEC 1L AC
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH STAB TRIM LEVERS ON THE ú
27-41-15
CONTROL STAND ú ú 02 Page 401 ú Jan 20/99
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A
757
MAINTENANCE MANUAL
CAM LAND
FWD
(RIGHT SIDE)
AStandby Switch Installation Figure 401
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27-41-15
CONTROL STAND ú ú 02 Page 402 ú Dec 20/90
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A
757 MAINTENANCE MANUAL
(b)
11C7, CSEU 1L DC
or FLT CONT ELEC 1L DC
(c)
11C8, CSEU 2L AC
or FLT CONT ELEC 2L AC
(d)
11C9, CSEU 2L DC
or FLT CONT ELEC 2L DC
(e)
11C12, STAB TRIM SHUTOFF LEFT
(f)
11C13, STAB TRIM SHUTOFF RIGHT
(g)
11G17, CSEU 1R AC
or FLT CONT ELEC 1R AC
(h)
11G18, CSEU 1R DC
or FLT CONT ELEC 1R DC
(i)
11G27, CSEU 2R AC
or FLT CONT ELEC 2R AC
(j)
11G28, CSEU 2R DC
or FLT CONT ELEC 2R DC
S 014-006
(5)
Remove the access panel from the right side of the control stand.
D.
Remove the Standby Switch (Fig. 401)
S 034-007
(1)
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