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A 747-400 MAINTENANCE MANUAL
A 747-400 MAINTENANCE MANUAL CHAPTER 55 - STABILIZERS TABLE OF CONTENTS _________________ Chapter Section Subject_______ Subject ____ Effectivity _______ Page ___________ STABILIZERS 55-00-00 ___________ Description and Operation 1 ALL General 1 HORIZONTAL STABILIZER 55-10-00 _____________________ Description and Operation 1 ALL General 1 Doors and Access Openings 3 Structure - Stabilizer 1 BONDING JUMPER - HORIZONTAL 55-10-04
STABILIZER Inspection/Check 601 ALL LEADING EDGE - HORIZONTAL 55-10-01 STABILIZER Removal/Installation 401 ALL SEAL (FORWARD) - HORIZONTAL 55-10-03 STABILIZER-TO-FUSELAGE Removal/Installation 401 ALL TIP - HORIZONTAL STABILIZER 55-10-02 Removal/Installation 401 ALL FITTINGS 55-17-00 PIVOT FITTINGS - HORIZONTAL 55-17-51 STABILIZER Removal/Installation 401 ALL
ELEVATORS 55-20-00 _________ Description and Operation 1 ALL General 1 Structure 1
VERTICAL STABILIZER (FIN) 55-30-00 _________________________ Description and Operation 1 ALL General 1 Doors and Access Openings 3 Structure - Fin 1 DORSAL FIN - VERTICAL STABILIZER 55-30-03
Removal/Installation 401 ALL 55-CONTENTS GUN Page 1 Feb 18/02 BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. A 747-400 MAINTENANCE MANUAL CHAPTER 55 - STABILIZERS TABLE OF CONTENTS _________________ Chapter Section Subject_______ Subject ____ Effectivity _______ Page ___________ LEADING EDGE - VERTICAL 55-30-01 STABILIZER (FIN) Removal/Installation 401 ALL Approved Repairs 801 ALL PANEL - EMPENNAGE ACCESS 55-30-10 Removal/Installation 401 ALL TIP - VERTICAL STABILIZER (FIN) 55-30-02 Removal/Installation 401 ALL VERTICAL STABILIZER TIP 55-31-00 LIGHTNING DIVERTER STRIPS 55-31-02 Removal/Installation 401 ALL
RUDDER 55-40-00 ______ Description and Operation 1 ALL General 1 Structure 1
ATTACH FITTINGS 55-50-00 _______________ Description and Operation 1 ALL General 1 Elevator 1 Fin 1 Horizontal Stabilizer 1 Rudder 1
55-CONTENTS GUN Page 2 Feb 18/02 BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. A 747-400 MAINTENANCE MANUAL STABILIZERS - DESCRIPTION AND OPERATION _______________________________________ 1. General (Fig. 1)_______ A. The stabilizers are aerodynamic control structures in the tail or empennage section of the airplane. They consist of a vertical stabilizer (fin), dorsal fin, rudder, horizontal stabilizer and elevators. The vertical stabilizer is a structure composed of a leading edge, auxiliary, front and rear spar. It has a combination of aluminum honeycomb panels and rib and machined skin, stiffener and rib construction. The dorsal fin (fairing) is constructed of machined aluminum skin and ribs. It fairs the vertical stabilizer to the fuselage. The upper and lower rudders are made of fiberglass honeycomb sandwich construction with supporting ribs strengthened with front and rear spars. The rudders are hinged to the vertical fin. The horizontal stabilizers are constructed similarly to the vertical stabilizer as are elevators of similar construction to rudders. The elevators are hinged to the horizontal stabilizer. B. The vertical stabilizer (fin) is stationary, but rudders hinged to the fin move left and right to provide directional control for the aircraft. The horizontal stabilizer moves up and down to provide pitch trim control The elevators also move up and down to provide pitch control. EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú 55-00-00 ALL ú ú 01 Page 1 ú Jun 10/88 BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. A 747-400 MAINTENANCE MANUAL
DORSAL FIN (FAIRING) Stabilizers Figure 1
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：747-400 AMM 飞机维护手册 安定门 STABILIZERS
