20-30-01
ALL ú ú 01A Page 204 ú Oct 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
CLEANERS AND POLISHES - MAINTENANCE PRACTICES
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1. General_______
A. The following is a list of cleaners and polishes that could be required during regular maintenance of the airplane. Listing is by material and grouped according to type and/or use. Acceptable vendors and/or material specification and/or Boeing process specifications are included as an aid in obtaining the required material.
B. The specific usage and/or alternatives of any material are controlled by the applicable maintenance procedure. This listing provides a convenient list of materials listed in the maintenance procedures and does not provide authorization for material substitution. Refer to the applicable maintenance procedure for the proper material to be used.
C. Materials other than those listed can be tested using the procedures in Boeing document D6-17487, Certification Testing of Aircraft Maintenenace Materials, to verify that any substitute material will not be injurious to airplane surfaces when used as specified by the maufacturer.
D. Solvent Alternatives
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(1) Because of new environmental protection regulations, alternatives to some solvents are now necessary. To make it easy to find applicable solvent, there are now new tables of solvent selections in the Aircraft Maintenance Manual, (AMM), and the Standard Overhaul Practices Manual, (SOPM). Refer to Subjects 20-30-80 and on for these tables which give selections fo solvents along with their material bulk code and related specifications.
Table 1 shows a list of tables of solvent selections, by the type of procedure and the surface to be cleaned, which you will find in Subjects 20-30-80 and on:
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20-30-02
ALL ú ú 01 Page 201 ú Feb 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
~................................................................. | TABLE 1 | ................................................................... | | | | BAC | | ATA | Table Description |Series|Specification| ................................................................... |20-30-80/201 |General Cleaning of Metal | 80 |BAC 5750 | ................................................................... |20-30-81/201 |General Cleaning of All | 81 |BAC 5750 | | |Organic Coatings | | | ................................................................... |20-30-82/201 |General Cleaning of Solvent | 82 |BAC 5750 | | |Resistant Organic Coatings | | | ................................................................... |20-30-83/201 |General Cleaning of | 83 |BAC 5750 | | |Composites | | | ................................................................... |20-30-84/201 |Final Cleaning of Metal | 84 |BAC 5750 | | |Prior to Painting | | | ...................................................................
|20-30-85/201 |Final Cleaning of All | 85 |BAC 5750 |
| |Organic Coatings Prior to | | |
| |Painting | | |
................................................................... |20-30-86/201 |Final Cleaning of Solvent | 86 |BAC 5750 | | |Resistant Organic Coatings | | | | |Prior to Painting | | | ................................................................... |20-30-87/201 |Final Cleaning of Composites| 87 |BAC 5750 | | |Prior to Painting | | | ................................................................... |20-30-88/201 |Final Cleaning of Metal | 88 |BAC 5750 | | |Prior to Non-Structural | | | | |Bonding | | | ................................................................... |20-30-89/201 |Final Cleaning of All | 89 |BAC 5750 | | |Organic Coatings Prior to | | | | |Non-Structural Bonding | | | ................................................................... |20-30-90/201 |Final Cleaning of Solvent | 90 |BAC 5750 | | |Resistant Coatings Prior to | | | | |Non-Structural Bonding | | | ................................................................... |20-30-91/201 |Final Cleaning of Composites| 91 |BAC 5750 | | |Prior to Non-Structural | | | | |Bonding | | | ................................................................... |20-30-92/201 |Final Cleaning Prior to | 92 |BAC 5000 | | |General Sealing | | | 中国航空网 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 STANDARD PRACTICES - AIRFRAME(106)
