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    SAE AS 4262B-2012 Aircraft Ground Air Conditioning Service Connection《飞机地面空调服务连接》.pdf

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    SAE AS 4262B-2012 Aircraft Ground Air Conditioning Service Connection《飞机地面空调服务连接》.pdf

    1、_ SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising there

    2、from, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2017 SAE International All rights reserved. No part of this p

    3、ublication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-497

    4、0 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/standards.sae.org/AS4262B AEROSPACE STANDARD AS4262 REV. B Issued 1991-02 Revised 2012-12 Reaffirmed 2017-10 Supe

    5、rseding AS4262A Aircraft Ground Air Conditioning Service Connection RATIONALE AS4262B has been reaffirmed to comply with the SAE Five-Year Review policy. 1. SCOPE This SAE Aerospace Standard (AS) defines interface configurations for the ground air conditioning service connection on commercial transp

    6、ort aircraft. In addition, it defines the clearances required to accommodate the connection of ground air conditioning hose couplings. Two types of service connections are included. The Type A connection (Figure 1) is a slotted ring with integral locking pads and is comparable to the MS33562 connect

    7、ion. The Type B connection (Figure 2) is a flanged tube with external locking lugs (Figure 3). The Type B connection has the same interface dimensional requirements as the Type A connection. 1.1 Purpose The purpose of this document is to establish uniform interface configurations on commercial trans

    8、port aircraft for the ground air conditioning (conditioned air) service connection. Consideration is also given to the durability, maintainability, and repairability of the connection. 2. REFERENCES The following publications form a part of this document to the extent specified herein. The latest is

    9、sue of SAE publications shall apply. The applicable issue of other publications shall be the issue in effect on the date of the purchase order. In the event of conflict between the text of this document and references cited herein, the text of this document takes precedence. Nothing in this document

    10、, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 2.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org. ARP4084

    11、 Aircraft Ground Service Connections Locations and Type FIGURE 1 - AIRCRAFT CONNECTION - TYPE A SAE INTERNATIONAL AS4262B Page 2 of 7_ FIGURE 2 - AIRCRAFT CONNECTION - TYPE B SAE INTERNATIONAL AS4262B Page 3 of 7_ FIGURE 3 - EXAMPLE OF TYPE B CONNECTION LOCKING LUG SAE INTERNATIONAL AS4262B Page 4 o

    12、f 7_ 2.2 ISO International standards Available from American Iron and Steel Institute, 1140 Connecticut Avenue, NW, Suite 705, Washington, DC 20036, Tel: 202-452-7100, www.steel.org or International Organization for Standardization, 1, rue de Varembe, Case postale 56, CH-1211 Geneva 20, Switzerland,

    13、 Tel: +41-22-749-01-11, www.iso.org, or any of the national standardization institutes. ISO 1034 Aircraft - Ground air-conditioning connections 2.3 U.S. Government Publications Available from the Document Automation and Production Service (DAPS), Building 4/D, 700 Robbins Avenue, Philadelphia, PA 19

    14、111-5094, Tel: 215-697-6257, http:/assist.daps.dla.mil/quicksearch/. MS33562 U.S. Military Standard, (ASG) Connection, Aircraft Ground Air Conditioning, 8 Inch, Minimum Requirements (corresponding to type A connection) 2.4 Definitions For the purpose of this specification, the following terminology

    15、shall apply: 2.4.1 GROUND AIR CONDITIONING SERVICE CONNECTION The fitting on the aircraft that accommodates the attachment of a conditioned air hose from an external supply source. It will hereafter be known as the service connection or connection. 2.4.2 GROUND AIR CONDITIONING SUPPLY HOSE COUPLING

    16、The terminal fitting on the ground air conditioning supply hose. It will hereafter be known as the hose coupling or coupling. 3. EFFECTIVITY This document is applicable to new aircraft designs. Airlines are also encouraged to consider this standard when modifying or repairing existing aircraft confi

    17、gurations. The minimum essential criteria are identified by the use of the key word “shall“. Recommended criteria are identified by the key word “should“ and while not mandatory, are considered to be of primary importance in providing serviceable, economical, and practical ground air conditioning co

    18、nnections. Deviation from the recommended criteria should occur only after careful consideration, extensive testing, and thorough service evaluation have shown alternate methods to be satisfactory. 4. REQUIREMENTS 4.1 Interface Configuration The interfacing surface and locking features of the aircra

    19、ft service connection shall dimensionally comply with either Figures 1, or 2, and 3 of this specification. The Type A flange permits use of slot filling coupler design known as a bayonet claw type coupler. The Type B is the Type A interface with the addition of external locking lugs. 4.2 Hose Coupli

    20、ng Clearances Clearance requirements to accommodate ground equipment hose couplings that will interface with the air conditioning service connection specified herein are defined in Figure 4 of this specification. SAE INTERNATIONAL AS4262B Page 5 of 7_ FIGURE 4 - AIR CONDITIONING HOSE COUPLING CLEARA

    21、NCE REQUIREMENTS SAE INTERNATIONAL AS4262B Page 6 of 7_ 4.3 Material The Type A connection shall be fabricated of high strength stainless steel sheet with a minimum thickness of 0.071 in (1.80 mm). The locking surface pads shall also be fabricated of stainless steel. The Type B connection shall be f

    22、abricated from high strength aluminum or stainless steel. The locking lugs for the Type B connection shall be fabricated from stainless steel and attached with two or more 0.188 in (5 mm) diameter fasteners. 4.4 Repairability/Replaceability The service connection should be attached to the aircraft a

    23、ir conditioning ducting and/or aircraft structure in such a manner as to be repairable or replaceable in one man-hour or less when required due to wear or damage. The locking devices for flanges type A and type B shall be replaceable. 4.5 Accessibility The service connection should be located in the

    24、 airplanes in compliance with ARP4084. It shall be located within the airplane as near to the outer skin/surface as possible. 4.6 Access Door(s) When applicable, a hinged door shall be incorporated in the surface of the airplane to provide access to the connection. It shall be configured to allow cl

    25、ear access to the 10 in (254 mm) diameter clearance cylinder of Figure 4. The hinged door shall swing a minimum of 105 from the closed to the open position and shall be independent of the connection. Access doors shall be maintained open by a Hold Open device. The Hold Open device shall not interfer

    26、e with the space envelope for the coupling and handles as defined in Figure 4. 4.7 Grids/Screens Any grid/screen installed in the connector to prevent from Foreign Objects Debris to enter the aircraft shall not interfere with the space envelope for the coupling as defined in Figure 4. 4.8 Sensors An

    27、y sensors (e.g., pressure sensors) installed in the connector to monitor some parameters during the aircraft air conditioning operation shall not interfere with the space envelope for the coupling as defined in Figure 4. 5. NOTES 5.1 A change bar (l) located in the left margin is for the convenience

    28、 of the user in locating areas where technical revisions, not editorial changes, have been made to the previous issue of this document. An (R) symbol to the left of the document title indicates a complete revision of the document, including technical revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only. PREPARED BY SAE SUBCOMMITTEE AGE-2C, VEHICLE MAINTENANCE AND AIRCRAFT SERVICING OF COMMITTEE AGE-2, AIR CARGO AND AIRCRAFT GROUND EQUIPMENT AND SYSTEMS SAE INTERNATIONAL AS4262B Page 7 of 7_


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