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1、STD.ISO 8925-ENGL 1989 q853903 0734087 985 m I NTE R NATI ONAL STANDARD IS0 8925 First edition AMENDMENT 1 1989-1 1-1 5 1997-05-1 5 Earth-moving machinery - Diagnostic ports AMENDMENT 1 Engins de terrassement - Orifices de contrle Amendement 1 This material is reproduced from IS0 documents under Int
2、ernational Organization for Standardization (SO) Copyright License number IHSIICCI1996. Not for resale. No part of these IS0 documents may be reproduced in any form, electronic retrieval system or otherwise, except as allowed in the copyright law of the country of use, or with the prior written cons
3、ent of IS0 (Case postale 56,1211 Geneva 20, Switzerland, Fax +41 22 734 10 79), IHS or the IS0 Licensors members. Reference number IS0 8925:1989/Amd.l :I 997(E) Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545
4、001 Not for Resale, 04/26/2007 19:45:24 MDTNo reproduction or networking permitted without license from IHS -,-,- STD-IS0 8725-ENGL 1787 W 4853703 0734088 818 W IS0 8925: 1989/Amd. 1 : 1997(E) Foreword IS0 (the International Organization for Standardization) is a worldwide federation of national sta
5、ndards bodies (IS0 member bodies). The work of preparing International Standards is normally carried out through IS0 technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International or
6、ganizations, governmental and non-governmental, in liaison with ISO, also take part in the work. IS0 collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are
7、 circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 YO of the member bodies casting a vote. Amendment 1 to International Standard IS0 8925: 1989 was prepared by Technical Committee ISO/TC 127, Earth-moving machinery. 8 IS01997 All ri
8、ghts reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. International Organization for Standardization Case post
9、ale 56 CH-1 21 1 Genve 20 Switzerland Internet centraliso.ch X.400 c=ch; a=400net; p=iso; o=isocs; s=central Printed in Switzerland II Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/
10、2007 19:45:24 MDTNo reproduction or networking permitted without license from IHS -,-,- IS0 - STD-IS0 8725-ENGL 1989 W 4a51903 CI7L4089 754 IS0 8925:1989/Amd.l:1997(EI Earth-moving machinery - Diagnostic ports AMENDMENT I Page I, 3 . 7 Replace subclause 3.1 with the following and delete the footnote
11、 at the bottom of page 1). The port size for measuring temperature and pressure, and to obtain fluid samples shall be M10 X 1,25, M14 X 1,5, M16 X 1,5 or PT 1/8. However, an M14 X 1,5 port in accordance with IS0 6149 attached to a tube of 8 mm outside diameter shall be most preferable. 1 Copyright I
12、nternational Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 19:45:24 MDTNo reproduction or networking permitted without license from IHS -,-,- STD-IS0 8725-ENGL 1789 Li851903 07LLi090 Li7b M IS0 8925:1
13、989/Amd.l:1997(E) ICs 53.100 Descriptors: earth-moving equipment, Ruid circuits. ports (openings), dimensions Price based on 1 page Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/200
14、7 19:45:24 MDTNo reproduction or networking permitted without license from IHS -,-,- INTER NATIONAL STANDARD IS0 8925 First edition 1989-1 1-15 Earth-moving machinery - Diagnostic ports Engins de terrassement - Orifices de contrle Reference number IS0 8925 : 1989 (E) Copyright International Organiza
15、tion for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 19:45:24 MDTNo reproduction or networking permitted without license from IHS -,-,- 8925-89 IS0 8925 : 1989 Foreword - 1 4853903 0079683 I- E) IS0 (the Internation
16、al Organization for Standardization) is a worldwide federation of national standards bodies (IS0 member bodies). The work of preparing International Standards is normally carried out through IS0 technical committees. Each member body interested in a subject for which a technical committee has been e
17、stablished has the right to be represented on that committee. International organizations, govern- mental and non-governmental, in liaison with ISO, also take part in the work. IS0 collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standa
18、rdization. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the IS0 Council. They are approved in accordance with IS0 procedures requiring at least 75 % approval by the member bodi
19、es voting. International Standard IS0 8925 was prepared by Technical Committee ISO/TC 127, Earth-moving machinery. o IS0 1989 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, wi
20、thout permission in writing from the publisher. International organization for Standardization Case postale 56 o CH-I21 1 Genve 20 o Switzerland Printed in Switzerland Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/
21、9972545001 Not for Resale, 04/26/2007 19:45:24 MDTNo reproduction or networking permitted without license from IHS -,-,- e- 3g-0- INTERNATIONAL STANDARD IS0 8925 : 1989 (E) Earth-moving machinery - Diagnostic ports 1 Scope This International Standard defines the sizes, types and ac- cessibility of d
22、iagnostic ports for use in measuring fluid temperature, pressure and flow, and to obtain fluid samples. It also sets out the requirements for accessibility to the port. It applies to earth-moving machinery as defined in IS0 6165, and gives general guidelines for diagnostic port use. 2 Normative refe
23、rences The following standards contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this International S
24、tandard are encour- aged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of IEC and IS0 maintain registers of currently valid International Standards. IS0 2860 : 1983, Earth-moving machinery - Minimum access dimensions. IS0 4510-1 : 1987,
25、 Earth-moving machinery - Service tools - Part 1 : Common maintenance and adjustment tools. IS0 6149 1980, Fluid power systems and components - Metric ports - Dimensions and design. IS0 6165 : 1987, Earth-moving machinery - Basic types - Vocabular y. 3 Size and type of port 3.1 The port size for mea
26、suring temperature and pressure, and to obtain fluid samples shall be an MI4 x 1.5” port, in accord- ance with IS0 6149, attached to a tube of 8 mm outside diameter. Temperature, pressure and sampling ports 3.2 Flow measurement ports Flow measurement ports shall be adequate for the flow to be measur
27、ed. Generally, sizes below 25 mm tube should be as specified in 3.1 and sizes equal to and above 25 mm should have either threaded or flanged port faces. 4 Application guidelines 4.1 Number and location of diagnostic ports The number and location of diagnostic port checking points shall be determine
28、d by the manufacturer and shall be commen- surate with the complexity of the system being checked and cost effectiveness. The preferred location of diagnostic ports is in the component; however, they should be readily and safely accessible which might often require them to be located in a connecting
29、 line. The ports should be so located in the fluid stream as to minimize any conditions which could cause inaccuracies in readings : for fluid sampling, the ports should be located in a turbulent flow section of the system. The ports shall be fitted with devices to prevent loss of fluid during conne
30、cting and disconnecting of diagnostic measuring instruments. The ports shall also be located so that the fluid is not contaminated from the surface of the machine when con- necting the measuring instruments or during fluid sampling. 4.2 Accessibility 4.2.1 Test ports shall be accessible with common
31、tools, limited to those specified in IS0 4510-1, without the removal of any component other than sealing caps, access panels and/or plates. 4.2.2 A free access area of 75 mm radius around the centre- line of the port and 200 mm from the port surface shall be pro- vided. Access to the port shall be a
32、s specified in IS0 2860. 1) M14 x 1.5 = 9/16-18 UNF-2 B 1 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 19:45:24 MDTNo reproduction or networking permitted without license from
33、 IHS -,-,- 8925-89 1 4 8 5 3 9 0 3 0 0 7 9 b 8 5 - IS0 8925 : 1989 (E) UDC 621.878/.879 Descriptors : earth moving equipment, fluid circuits, ports (openings), dimensions. Price based on 1 page Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 19:45:24 MDTNo reproduction or networking permitted without license from IHS -,-,-