(2)
Access Panel
313AL Control Bay Access Door
E. Install the Autopilot Pitch Control Servo
S 834-012
(1)
Install the rig pin E/ST 7 (Ref 20-10-24).
(2)
Remove the caps from the hydraulic lines and servo hydraulic ports.
(3)
Connect the hydraulic lines to the servo and tighten them by hand.
S 034-013
S 434-014
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
22-12-01
ALL ú ú 01 Page 405 ú Sep 20/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
S 434-015
(4)
Use the bolts (1) and washers (2) to install the servo (3).
S 434-016
(5)
Tighten the hydraulic lines.
S 434-017
(6)
Use the bolt (4), washer (5), and nut (6) to connect the rod assembly (7) to the servo output crank.
S 434-018
(7)
Connect the electrical connector.
S 094-047
(8)
Remove the rig pin E/ST 7 if it is not necessary to replace the control rod.
S 824-068
(9)
Adjust the servo with the Maintenance Control Display Panel (MCDP) or Model 101A Phase Synchronous Voltmeter if it is not necessary to replace the control rod.
TASK 22-12-01-904-019
4. Replace the Control Rod
_______________________
A. Equipment
(1) Rig Pin E/ST 7 - P/N B20003-21 from set
B20003-XX (Ref 20-10-24)
B. Parts
~.............................................................................. | MM | | IPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 401 | 3 | Servo Assembly | 27-31-53| 01 | 112 | | | 4 | Bolt | | | 95 | | | 5 | Washer | | | 97 | | | 6 | Nut | | | 99 | | | 7 | Rod Assembly | | | 101 | 2......…........…...................................…..........…......…........1
C. Reference
(1) 20-10-24/201, Rig Pins
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
22-12-01
ALL ú ú 01 Page 406 ú Sep 20/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
D. Access
(1)
Location Zone
313 Stabilizer Center Section Compartment (Left)
(2)
Access Panel
313AL Control Bay Access Door
E. Replace the Control Rod
S 834-020
(1)
Install the rig pin E/ST 7.
S 034-021
(2)
Remove the bolt (4), washer (5) and nut (6) to disconnect the rod assembly (7) from the servo (3).
S 034-022
(3)
Remove the bolt, washer and nut to disconnect the rod assembly (7) from the aft quadrant.
S 214-023
(4)
Make sure the correct length of the control rod assembly (7) is
15.30 inches from the bolt center to bolt center.
NOTE: The correct length is used to decrease the amount of
____
adjustment.
S 434-024
(5)
Use the bolt, the washer and the nut to connect the end of the rod assembly (7) to the aft quadrant.
S 094-048
(6)
Remove the rig pin E/ST 7.
S 824-025
(7)
Adjust the servo with the Maintenance Control Display Panel (MCDP) or the Model 101A Phase Synchronous Voltmeter.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
22-12-01
ALL ú ú 01 Page 407 ú Mar 20/92
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址:757 AMM 飞机维护手册 自动飞行 AUTOFLIGHT 1(141)