1、BSI Standards PublicationBS ISO 6550-3:2013Incorporating corrigendum August 2015BS ISO 6550-3:2013Road vehicles Sheath-type glow-plugs with conicalseating and their cylinder headhousingPart 3: M10 glow-plugsBS ISO 6550-3:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implement
2、ation of ISO 6550-3:2013. Together with BS ISO 17747-1:2015, BS ISO 17747-2:2015 and BS ISO 17747-3:2015, it supersedes BS ISO 6550-3:2009 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee MCE/22, Engines for road vehicles.A list of organizations represe
3、nted on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2015. Published by BSI Standards Limited 2015ISBN 978 0 580
4、 90561 2ICS 43.060.50Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 October 2013.Amendments/corrigenda issued since publicationDate Text affected31 August 20
5、15 Supersession information correctedBS ISO 6550-3:2013 ISO 2013Road vehicles Sheath-type glow-plugs with conical seating and their cylinder head housing Part 3: M10 glow-plugsVhicules routiers Bougies de prchauffage fourreau et sige conique et leur logement dans la culasse Partie 3: Bougies M10INTE
6、RNATIONAL STANDARDISO6550-3Fourth edition2013-11-01Reference numberISO 6550-3:2013(E)BS ISO 6550-3:2013ISO 6550-3:2013(E)ii ISO 2013 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2013All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized othe
7、rwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeC
8、ase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandBS ISO 6550-3:2013ISO 6550-3:2013(E) ISO 2013 All rights reserved iiiContents PageForeword iv1 Scope . 12 Normative references 13 Dimensions and tolerances . 13.1
9、Glow-plugs 13.2 Cylinder head housing 33.3 Threads 44 Installation tightening torque 5Annex A (normative) Pin terminal dimensions 7Annex B (normative) Alternative pin terminals . 8BS ISO 6550-3:2013ISO 6550-3:2013(E)ForewordISO (the International Organization for Standardization) is a worldwide fede
10、ration of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO 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 commi
11、ttee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and
12、 those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part
13、 2 (see www.iso.org/directives). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of th
14、e document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents). Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific ter
15、ms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary informationThe committee responsible for this document is ISO/TC 22, Road vehicles, Subcommi
16、ttee SC 1, Ignition equipment.This fourth edition cancels and replaces the third edition (ISO 6550-3:2009), which has been technically revised.ISO 6550 consists of the following parts, under the general title Road vehicles Sheath-type glow-plugs with conical seating and their cylinder head housing:
17、Part 1: M14 1,25 glow-plugs Part 2: M12 1,25 glow-plugs Part 3: M10 glow-plugs Part 4: M8 1 glow-plugsiv ISO 2013 All rights reservedBS ISO 6550-3:2013INTERNATIONAL STANDARD ISO 6550-3:2013(E)Road vehicles Sheath-type glow-plugs with conical seating and their cylinder head housing Part 3: M10 glow-p
18、lugs1 ScopeThis part of ISO 6550 specifies the main characteristics of M10 sheath-type glow-plugs with conical seating and their cylinder head housing, for use with diesel (compression-ignition) engines.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in
19、 this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 68-1, ISO general purpose screw threads Basic profile Part 1: Metric screw thre
20、adsISO 261, ISO general purpose metric screw threads General planISO 965-1, ISO general purpose metric screw threads Tolerances Part 1: Principles and basic dataISO 965-3, ISO general purpose metric screw threads Tolerances Part 3: Deviations for constructional screw threadsISO 1101, Geometrical pro
21、duct specifications (GPS) Geometrical tolerancing Tolerances of form, orientation, location and run-outISO 8092-1, Road vehicles Connections for on-board electrical wiring harnesses Part 1: Tabs for single-pole connections Dimensions and specific requirementsISO 8092-4, Road vehicles Connections for
22、 on-board electrical wiring harnesses Part 4: Pins for single- and multi-pole connections Dimensions and specific requirements3 Dimensions and tolerances3.1 Glow-plugsSheath-type glow-plug dimensions and tolerances shall be as given in Figure 1 and Table 1. ISO 2013 All rights reserved 1BS ISO 6550-
23、3:2013ISO 6550-3:2013(E)Dimensions in millimetresa) With threaded terminal (types A1 to A6 and C1 to C3)b) With blade terminalb(types B1 and B2) c) With pin terminalb(types B3 and B4)d) With pin terminalb(type C4)e) With reduced tip end diameter at sheathed glow elementbf) with cone end diameterb2 I
24、SO 2013 All rights reservedBS ISO 6550-3:2013ISO 6550-3:2013(E)Key1 tab ISO 8092-1, size 6,3 x 0,82 pin in accordance with Annex A3 pin ISO 8092-4, size 4aMajor diameter, in accordance with ISO 1101.bFor other dimensions see Figure 1 a).NOTE See Table 1 for dimensions.Figure 1 M10 sheath-type glow-p
25、lugsTable 1 Glow-plugs dimensionsDimensions in millimetresType Terminal Thread Hexagon Body Glow tubed1l1s E K d2d3ref.t1l2l3d40,2d50 -0,2l4l5t2A1M4M10 1,25-6g 22,012,0 h 13 13,3 4,0 1232 8,2020,7,0 0,21001+35,0 15,0 -20,0 1- 0,7A2 25,0 1A3 30,0 1A42001+45,0 1 20,0 1A5 25,0 1A6 30,0 1B1bladeM10 1-6g
26、 10,09,6 h 14 10,7 7,0 932 8,30,13 6,4 0,187,0 0,25 20,0 0,255,0 -28,5 0,5- 0,7B29,1 0,25 25,9 0,25 27,0 0,5B3pinaB4 7,0 0,25 26,7 0,25 28,5 0,5C1M4M10 1-6g 10,010,0 h 13 11,0 7,0 632 8,5020,7,0 0,2 11,5 33,0 5,0-25,0 0,5- 0,7C2 4,0 5,00,4C3 - 30,0 0,5 0,7C4pin ISO 8092-4, size 44,0 25,0 0,50,4aSee
27、Annex A.3.2 Cylinder head housingThe dimensions and tolerances of the cylinder head housing for sheath-type glow-plugs shall be as given in Figure 2 and Table 2. ISO 2013 All rights reserved 3BS ISO 6550-3:2013ISO 6550-3:2013(E)Dimensions in millimetresKeyaPitch diameter in accordance with ISO 965-1
28、 or ISO 965-3.NOTE See Table 2 for dimensions.Figure 2 Cylinder head housing for M10 glow-plugsTable 2 Housing dimensionsDimensions in millimetresGlow-plug typeD16H 1D2D3ref.D4aEL2 10L3A1 to A3M10 1,25 120 8,7 7,0 6,5 239,0 31,0A4 to A6 19,0 41,0B1 and B4M10 1 90 8,8 6,4 5,5 205,0 17,0B2 and B3 7,0
29、23,0C1 to C4 M10 1 60 8,8 7,0 6,5 21 10,0 31,0aThe determination of the exact dimension (above the minimum) is to be agreed between glow-plug and engine manufacturers. The clearance between the probe and the cylinder head shall be kept to a minimum.3.3 Threads3.3.1 GeneralThe threads of M10 glow-plu
30、gs and the corresponding tapped holes in cylinder heads shall be in accordance with ISO 68-1, ISO 261, ISO 965-1, and ISO 965-3.The thread M10 1,25 - 6g shall be used for glow-plugs of type A (but see 3.3.2). The thread in the corresponding tapped holes in the cylinder heads shall be M10 1,25 - 6H.T
31、he thread M10 1 - 6g shall be used for glow-plugs of types B and C (but see 3.3.3). The thread in the corresponding tapped holes in the cylinder heads shall be M10 1 - 6H.4 ISO 2013 All rights reservedBS ISO 6550-3:2013ISO 6550-3:2013(E)3.3.2 Dimensions limits of thread M10 1,25Dimension limits of t
32、hread M10 1,25 - 6g are given in Table 3. For existing designs, tolerance class 6e is also permitted. New designs shall be to class 6g.Table 3 Dimension limits M10 1,25Dimensions in millimetresDimensions Plug thread (on finished plug)6gTapped hole in cylinder head6HMajor diametermax. 9,972 not speci
33、fiedmin. 9,760 10,000Pitch diametermax. 9,160 9,348min. 9,042 9,188Minor diametermax. 8,439 8,912min. 8,251a8,647aWith a root radius 0,125 mm (0,1P).3.3.3 Dimensions limits of thread M10 1Dimension limits of thread M10 1 - 6g are given in Table 4. For existing designs, tolerance class 6e is also per
34、mitted. New designs shall be to class 6g.Table 4 Dimension limits M10 1Dimensions in millimetresDimensions Plug thread (on finished plug)6gTapped hole in cylinder head6HMajor diametermax. 9,974 not specifiedmin. 9,794 10,000Pitch diametermax. 9,324 9,500min. 9,212 9,350Minor diametermax. 8,747 9,153
35、min. 8,563a8,917aWith a root radius 0,100 mm (0,1P).4 Installation tightening torqueThe installation tightening torque shall be as given in Table 5. The values apply to new sheath-type glow-plugs without lubricant on the threads. If threads are lubricated, the torque shall be reduced by approximatel
36、y one-third to avoid overstressing. ISO 2013 All rights reserved 5BS ISO 6550-3:2013ISO 6550-3:2013(E)Table 5 Tightening torqueGlow-plug typeTightening torqueNmThread M10aThread M4bA10 to 200,8 to 1,5B -C 10 to 15 2,5aThe engine manufacturers can specify a different torque for the first installation
37、.bDiffering specifications apply to the admissible tightening torque depending on the nut used.6 ISO 2013 All rights reservedBS ISO 6550-3:2013ISO 6550-3:2013(E)Annex A (normative) Pin terminal dimensionsThe dimensions of the pin used as the terminal with glow-plug types B3 and B4 shall be as shown
38、in Figure A.1.Dimensions in millimetresFigure A.1 Pin terminal dimensions ISO 2013 All rights reserved 7BS ISO 6550-3:2013ISO 6550-3:2013(E)Annex B (normative) Alternative pin terminalsThe dimensions of alternative pin terminals for all types of M10 glow-plugs shall be as shown in Figure B.1 or B.2.
39、Dimensions in millimetresKey1 hexagon 10,0 h13aThe surface in this area is free of undercut.Figure B.1 Dimensions of alternative terminal Model A8 ISO 2013 All rights reservedBS ISO 6550-3:2013ISO 6550-3:2013(E)Dimensions in millimetresKeyaEffective dimension for diameter 4 0,08 and Rz4.Figure B.2 D
40、imensions of alternative terminal Model B ISO 2013 All rights reserved 9BS ISO 6550-3:2013ISO 6550-3:2013(E) ISO 2013 All rights reservedICS 43.060.50Price based on 9 pagesThis page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-relate
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