757
MAINTENANCE MANUAL
S 864-009
(8) Open these circuit breakers on the P11 panel and attach DO-NOT-CLOSE tags:
(a)
11C12, STAB TRIM SHUTOFF LEFT
(b)
11C13, STAB TRIM SHUTOFF RIGHT
(c)
11H17, FLT CONT SHUTOFF TAIL LEFT
(d)
11H18, FLT CONT SHUTOFF TAIL CENTER
(e)
11H28, FLT CONT SHUTOFF TAIL RIGHT
S 864-067
WARNING: MAKE SURE PERSONNEL STAY A MINIMUM OF 6 FEET AWAY FROM THE
_______ VERTICAL STABILIZER WHEN THE HF SYSTEM TRANSMITS. RF ENERGY FROM THE HF COMMUNICATION ANTENNA CAN CAUSE INJURIES TO PERSONNEL.
(9) Make sure the HF system does not transmit.
(a) Open these circuit breakers (if installed) on the overhead circuit breaker panel, P11, and attach DO-NOT-CLOSE tags: 1) 11G8, HF COMM LEFT 2) 11G34, HF COMM RIGHT
S 014-010
(10) Open the service access panel, 324BL (AMM 06-42-00/201).
D. Procedure
S 034-011
(1)
Remove the electrical connector from the yaw damper servo.
S 034-012
(2)
Remove the hydraulic lines from the yaw damper servo and seal the lines with a cap.
S 394-013
(3)
Seal the hydraulic ports on the yaw damper servo with caps.
S 034-014
(4)
Remove bolt (1), washer (2) and nut (3) to disconnect the servo (5) output from the torque tube and link assembly (4).
S 034-015
(5)
Hold the yaw damper servo (5) in position and remove mounting bolts
(6) and washers (7).
(6)
Remove the servo (5) from the vertical stabilizer rear spar.
S 024-016
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22-21-02
ALL ú ú 02 Page 404 ú Jan 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
TASK 22-21-02-424-017
3. Install Yaw Damper Servo
________________________
A. Consumable Materials
(1) C00308 Compound, Corrosion Prevention
MIL-C-11796
B. Parts
~............................................................................... | AMM | | AIPC | .................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................. | 401 | 1 | Bolt | 22-21-02 | 01 | 20 | | | 2 | Washer | | | 30 | | | 3 | Nut | | | 40 | | | 4 | Tube and Link Assy - Torque | 27-21-17 | 01 | 125 | | | 5 | Yaw Damper Servo | 22-21-02 | 01 | 10 | | | 6 | Bolt | | | 25 | | | 7 | Washer | | | 35 | | | 8 | Union | | | 95 | | | 9 | Packing | | | 100 | | | 10 | Filter | | | 105 | | | 11 | Union | | | 110 | | | 12 | Packing | | | 115 | 2.......…........…...................................…...........….....…........1
C. References
(1)
AMM 06-42-00/201, Empennage (Major Zone 300) Access Doors and Panels.
(2)
AMM 20-30-03/201, Finishing Materials
(3)
AMM 24-22-00/201, Electrical Power - Control
(4)
AMM 27-21-00/501, Rudder and Rudder Trim Control System
(5)
AMM 27-61-00/201, Spoiler/Speedbrake Control System
(6)
AMM 29-11-00/201, Pressurize/Depressurize Main Hydraulic System
(7)
AMM 31-41-00/501, Engine Indication and Crew Alerting System
(8)
AMM 32-09-02/201, Air/Ground Relays
(9)
AMM 33-16-00/501, Master Dim and Test
(10)
AMM 34-12-00/501, Air Data Computing System
(11)
AMM 34-21-00/501, Inertial Reference System
D. Access
(1)
Location Zones 211/212 Flight Compartment 324 Vertical Stabilizer - Rear Spar to Trailing Edge
(2)
Access Panel
324BL Vertical Stabilizer - Trailing Edge
E. Procedure
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22-21-02 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 2(62)
