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A 747-400 MAINTENANCE MANUAL ?China Southern Airlines ?~........................................................................................................ | PAGE DATE CODE | PAGE DATE CODE | PAGE DATE CODE || | | || | | ||CHAPTER 08 TAB | | || | | ||LEVELING AND WEIGHING | | || | | || | | ||8-CONTENTS | | || 1 FEB 18/02 GUN | | || 2 BLANK | | || | | ||08-00-00 | | || 201 JUN 18/01 01 | | || 202 JUN 18/01 01 | | || 203 JUN 18/01 02 | | || 204 FEB 15/99 03 | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | || | | |2..................................…..................................…..................................1 ?R = REVISED, A = ADDED OR D = DELETED CHAPTER 08 F = FOLDOUT PAGE EFFECTIVE PAGES E1 PAGE 1 FEB 18/02 LAST PAGE D633U101-E1
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. A 747-400 MAINTENANCE MANUAL ?CHAPTER 08 - LEVELING AND WEIGHING ?TABLE OF CONTENTS_________________ ?Subject_______? Chapter SectionSubject_______? Page____? Effectivity___________ ?LEVELING AND WEIGHING_____________________ Maintenance Practices? 08-00-00 201? ALL
?8-CONTENTS ?GUN Page 1 Feb 18/02 BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. A 747-400 MAINTENANCE MANUAL ?LEVELING AND WEIGHING - MAINTENANCE PRACTICES _____________________________________________ ?1. ?General _______ ?A. ?This procedure contains two tasks. ?(1) ? The first task is to use the leveling scale and a plumb bob for the primary leveling and weighing of the airplane.
?(2) ? The second task is to use the inclinometers for the secondary leveling of the airplane.
?B. ?The airplane has two types of leveling indicators in the wheel well of the right body landing gear. It has a plumb bob scale and the lateral and longitudinal inclinometers (Fig. 201). You use these leveling devices when you make the airplane level for general maintenance. Do not use the inclinometers to make the airplane level if you will weigh the airplane. ?C. ?When you must accurately level the airplane to make sure the airplane is aligned and other critical equipment installations, refer to SRM 51-50-01, Alignment Check Procedures in the Structural Repair Manual. ?D. ?To weigh the airplane, refer to the airplane Weight and Balance Control and Loading Manual (D043U400). ?TASK 08-00-00-862-001 ?2. ?Primary Leveling and Weighing _____________________________ ?A. ?Standard Tools and Equipment ?(1) ?Plumb Bob and Suitable Cord ?B. ?References ?(1) ? AMM 07-11-01/201, Jacking Airplane
?(2) ? AMM 09-11-00/201, Towing
?(3) ? AMM 12-15-03/301, Wing Landing Gear Shock Strut
?(4) ? AMM 12-15-04/301, Body Landing Gear Shock Strut
?(5) ? AMM 12-15-05/301, Nose Landing Gear Shock Strut
?C. ?Make the Airplane Level with a Plumb Bob (Fig. 201) ?S 862-002 ?(1) ? Park the airplane in as level a position that is possible (AMM 09-11-00/201).
?(2) ? Make the airplane level.
?(a) ?Hang a plumb bob to the fitting in the wheel well of the right body landing gear. ?NOTE: The bracket for the plumb bob fitting is attached to the ____ airplane structure directly above the leveling scale. ?EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú ?08-00-00 ?ALL ?ú ú 01 Page 201 ú Jun 18/01 BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. A 747-400 MAINTENANCE MANUAL
Level Airplane Using Inclinometer Or Plumb Bob Figure 201 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú ?08-00-00 ?ALL ?ú ú 01 Page 202 ú Jun 18/01 www.aero.cn 航空翻譯 www.aviation.cn 本文鏈接地址：747-400 AMM 飛機維護手冊 LEVELING AND WEIGHING
