(b)
11E16, MODE CONT PNL LEFT
(c)
11E34, MODE CONT PNL RIGHT
(d)
GUN 001-050, 052-999;
11S4, MAINT CONT DSPL
(e)
GUN 051;
11S6, MAINT CONT DSPL
(f)
11S15, AIR/GND SYS 1
(g)
11S19, AIR/GND SYS 2
(h)
11S23, POS SYS 2
S 742-028
(2) Do MCDP Ground Test 08-SERVO ELEV (Ref 22-00-02).
(a) Make sure MCDP failure messages do not show during test 08 SERVO ELEV.
S 212-026
(3) Examine the system for leaks and fix them as necessary.
E. Put the Airplane Back to Its Usual Condition.
S 412-025
(1)
Close the access panel 313AL.
S 862-031
(2)
Set the MCDP to off.
S 862-030
(3)
Remove the pressure from the left, center and right hydraulic systems if it is not necessary (Ref 29-11-00).
(4)
Remove electrical power if it is not necessary (Ref 24-22-00).
S 862-029
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
22-12-02
ALL ú ú 02 Page 207 ú Jun 20/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
ELEVATOR CONTROL FORCE TRANSDUCER - REMOVAL/INSTALLATION
________________________________________________________
1. General_______
A. Each control column has an elevator control force transducer on the crank and arm assembly under the flight compartment. The transducers are accessed through the access panels 113AL and 119BL (Ref 6-41-00). The removal/installation procedures are the same for both transducers.
TASK 22-12-03-004-001
2. Remove the Elevator Control Force Transducer (Fig. 401)____________________________________________
A. Equipment
(1) Rig Pin E/ST-6 (Ref 20-10-24)
B. References
(1)
06-41-00/201, Fuselage (Major Zones 100 and 200) Access Doors and Panels
(2)
20-10-24/201, Rig Pins
(3)
24-22-00/201, Electrical Power - Control
(4)
34-11-00/201, Pitot - Static System
C. Access
(1)
Location Zones
113 Area Forward of NLG Wheel Well
119 Main Equipment Center
(2)
Access Panels 113AL Flight/Landing Gear/Engine Control Components 119BL Main Equipment Center
D. Prepare to Remove the Elevator Control Force Transducer
S 864-002
(1)
Supply electrical power (Ref 24-22-00).
S 864-003
(2)
Set the L, C, and R FLT CONTROL SHUTOFF switches on the right side panel, P61, to the OFF position and attach DO-NOT-OPERATE tags:
(3)
Set the two F/D switches on the MCP to the OFF position.
S 864-005
(4)
Open these circuit breakers on the overhead circuit breaker panel, P11, and attach DO-NOT-CLOSE tags:
S 864-004
(a) 11E17, FLT CONT COMPUTER POWER LEFT
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH CONTROL ú
22-12-03
WHEEL STEERING ú ú 03 Page 401 ú Dec 20/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
CAPTAIN'S CONTROL COLUMN
113BL
FORWARD
ACCESS DOOR
FWD
RIG PIN
E/ST-6 HOLE
A-A
A
SEEC
A ELEVATOR TRANSDUCER SEE A ELEVATOR TRANSDUCER SEE A
Elevator Control Force Transducer Figure 401 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH CONTROL ú
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WHEEL STEERING ú ú 03 Page 402 ú Dec 20/96
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