इल क ट र तनक एव इल क ट क ट रकल स घटक व उपस क क मलए

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1 र त य म नक ब य म नक भवन, 9 बह द र ह जफर म गर, नई ददल ल (उपभ क म मल, ख द य ए व स वरजतनक पव रण म त र लय, भ र सरक र( Manak Bhavan, 9 Bahadur Shah Zafar Marg, New Delhi BUREAU OF INDIAN STANDARDS व बस इट Website : (Ministry of Consumer Affairs, Food & Public Distribution, Govt. of India) TeleFax द रभ ष Phone , ईम ल litd@bis.gov.in, jambholkar@bis.org.in व य प क पर च लन मस द प रल ख प र क षण स ज ञ पन तकन क सममतत : एलआईट ड 02 स दर भ ददन क एलआईट ड 02/ट ज ल ई 2018 प न व ल क न म: 1) इल क ट र तनक एव इल क ट क ट रकल स घटक व उपस क क मलए तनर भ ण यत ववषय सममतत, एलआईट ड 02 क सर सदस य 2) इल क ट र तनक एव स चन प र द य ग क ववर पर षद क प रध न सदस य 3) र गच खन व ल अन य मह दय(य ) क पय स लग नक म स लग न प रÏल êख क अवल कन कर : प रल ख स. षरक प रल ख एलआईट ड 02 (12882) आइस (भ ग 3/अन भ ग 14) / आइईस : 2004 क पय इन मस द क अवल कन कर और अपन सम मत य, यह ब ह ए कक यदद यह भ र य म नक प रक श ह अमल करन म आप क व यवस य म क य कद न ईय आ सक ह, भ ज सम मततय र जन क अ ततम ततग : 11 मसतम ब 2018 यदद क ई सम मत प र प नह ह य सम मत सम प दक य प रक त क ह ह क पय यथ अन न त म ह उपर क मस द क शलए आपक अन म दन म न ल न क अन म द थ पप, यदद आपक सम मत क प रक त कन क ह यदद च यरम न पवषय सशमत द व र ऐस रहन व त ह इस आग क आवश यक क रव ई क शलए च यरम न पवषय सशमत क प स पर म र ह य पवषय सशमत क प स अवल क थर करक अन न त म ककय ज एग. यह मस द आईईस म नक क अन स र सब द ध ह थ इस पत र क स थ स लग न नह ह आईईस म नक क ब द मस द पर पवच र थर अवल कन ककय ज ए. यदद क ई सम मत प र प ह क पय अध हस क षर क उपररशलखख प पर स लग न फ म ट म ई- म ल द व र भ ज द. तनर भ ण यत प रब धन भ ग 3 अन प रय ग म गरदश रक अन भ ग 14 रखरख व और रखरख व समथरन [तनम नशलखख भ र य म नक क स थ न पर/Superseding : 1) IS 9692 (Part 8/Sec 1): 1988 ; 2) IS 9692 (Part 8/Sec 2): 1988 ; 3) IS 9692 (Part 8/Sec 3): 1988 and 4) IS 9692 (Part 8/Sec 4: 1988] ICS ; यदद क ई सम मत य क ऊपर तनशमर ह क पय अध हस क षर क तनम नशलखख प पर स लग न फ म ट म भ ज द धतयव द, भवद य, -sd- (र न गगर) प रम ख (इल क र तनक व आई ट ) ई म ल:litd@bis.org.in स लग नक : उपर क

2 WIDE CIRULATION र त य म नक ब य (उपभ क म मल, ख द य ए व स वरजतनक पव रण म त र लय, भ र सरक र( BUREAU OF INDIAN STANDARDS म नक भवन, 9 बह द र ह जफर म गर, नई ददल ल Manak Bhavan, 9 Bahadur Shah Zafar Marg, New Delhi व बस इट Website : (Ministry of Consumer Affairs, Food & Public Distribution, Govt. of India) TeleFax द रभ ष Phone , ईम ल litd@bis.gov.in, jambholkar@bis.org.in TECHNICAL COMMITTEE: LITD 02 ADDRESSED TO: DOCUMENT DESPATCH ADVICE REF DATE LITD 02/ T July All members of Reliability of Electronic and Electrical components and Equipment Sectional Committee, LITD All Principal Members of Electronics and Information Technology Department, LITDC 3. All others interested Dear Sir(s), Please find draft Indian Standards given below: Document No. Doc. No LITD 02 (12882) IS (Part 3/Sec 14) /IEC : 2004 Title Dependability Management Part 3 Application guide Section 14 Maintenance and maintenance support [Superseding 1) IS 9692 (Part 8/Sec 1): 1988 ; 2) IS 9692 (Part 8/Sec 2): 1988 ; 3) IS 9692 (Part 8/Sec 3): 1988 and 4) IS 9692 (Part 8/Sec 4: 1988] ICS ; Kindly examine the draft standards and forward your comments stating any difficulties which you are likely to experience in your business or profession, if this is finally adopted as National Standards. Last Date for comments: 11 September 2018 Comments, if any, may please made in the format indicated and mailed to the undersigned at above address. In case no comments are received or comments received are of editorial nature, you may kindly permit us to presume your approval for the above document as finalized. However, in case of comments of technical in nature are received then it may be finalized either in consultation with the Chairman, Sectional Committee or referred to the Sectional committee for further necessary action if so desired by the Chairman, Sectional Committee. Thanking you, Yours faithfully, -sd- (Reena Garg) Scientist F & Head (Electronics & IT) litd@bis.org.in Telefax:

3 FORMAT FOR COMMENTS Date Document No Doc: LITD 02 ( 12882) S.No. Name of the Organization Clause/ Sub clause Paragraph/ Figure/Table Type of Comment (General/ Technical/ Editorial Comments Proposed Change

4 Doc: LITD 02 (12882) IS (Part 3/Sec 14) /IEC : 2004 BUREAU OF INDIAN STANDARDS DRAFT FOR COMMENTS ONLY (Not to be reproduced without the permission of BIS or used as a STANDARD) Draft Indian Standard Dependability Management Part 3 Application guide Section 14 Maintenance and maintenance support [Superseding 1) IS 9692 (Part 8/Sec 1): 1988 ; 2) IS 9692 (Part 8/Sec 2): 1988 ; 3) IS 9692 (Part 8/Sec 3): 1988 and 4) IS 9692 (Part 8/Sec 4: 1988] Last date of receipt of comments: 11 th September 2018 Reliability of Electronic and Electrical Components and Equipment, LITD 02 NATIONAL FOREWORD This draft Indian Standard which is identical with IEC : 2004 DEPENDABILITY MANAGEMENT Part 3-14: Application guide Maintenance and maintenance support' issued by the International Electrotechnical Commission (IEC) may be adopted by the Bureau of Indian Standards on the recommendations of the Reliability of Electronic and Electrical Components and Equipment Sectional Committee and approval of the Electronics and Information Technology Division Council. Indian Standards (1) IS 9692 (Part 8/Sec 1): 1988, (2) IS 9692 (Part 8/Sec 2): 1988 ; (3) IS 9692 (Part 8/Sec 3): 1988 and (4) IS 9692 (Part 8/Sec 4: 1988 were based IEC Dot 56 (Central Office) 132 Draft IEC Publication 706 : Guide on maintainability of equipment Part 8 : Maintenance and maintenance support planning. The draft IEC 706 was later published as IEC The IEC was withdrawn and replaced by IEC The superseding of above mentioned Indian Standards has been undertaken to align it with latest version of IEC : 2004 and on publication of this draft Standard, all the above four Indian Standards will be withdrawn. The text of IEC Standard has been approved as suitable for publication as an Indian Standard without deviations. Certain conventions and terminologies are, however, not identical to those used in Indian Standards. Attention is particularly drawn to the following:

5 a) Wherever the words International Standard appear referring to this standard, they should be read as Indian Standard, and b) Comma (,) has been used as a decimal marker while in Indian Standards, the current practice is to use a point (.) as the decimal marker. In this draft adopted standard, reference appears to certain International Standards for which Indian Standards also exist. The corresponding Indian Standards which are to be substituted in their respective places are listed below along with their degree of equivalence for the editions indicated: International Standards Corresponding Indian Standard Degree of Equivalence IEC :2003 Dependability management Part 1 Dependability management systems IEC Dependability management Part 3 Application guide Section 2 Collection of dependability data from the field IEC Dependability management Part 3: Application guide Section 3: Life cycle costing IEC Dependability management Part 3-10: Application guide Maintainability IEC Dependability management Part 3-11: Application guide Reliability centred maintenance IEC Guide on maintainability of equipment Part 3 Sections Six and Seven Verification and collection, analysis and presentation of data Doc. No. LITD 02 (15883) Dependability management Part 1 Dependability management systems IS (Part 3/Sec 2) : 2018 Dependability management Part 3 Application guide Section 2 Collection of dependability data from the field IS : 2004 Dependability management - Application guide - Life cycle costing IS : Part 3 : Sec 10 : 2018 Dependability Management Part 3 Application Guide Section 10 Maintainability IS 15474(Part 3/Sec 11) :2014 Dependability management Part 3 Application guide Section 11 Reliability centred maintenance LTD 2 ( ) : 2018 Guide on maintainability of equipment Part 3 Sections Six and Seven Verification and collection, analysis and presentation of data IEC : 2014 IEC : 2004 Technically Equivalent with IEC : 1996 IEC : 2001 IEC : 2009 IEC : 2006

6 IEC Guide on maintainability of equipment Part 5 Section 4: Diagnostic testing IEC Analysis techniques for system reliability Procedure for failure mode and effects analysis (FMEA) LTD 2 ( ) : 2018 Maintainability of equipment Part 5 Testability and diagnostic testing IS ( Part 2) : 2012 Analysis Techniques for System Reliability Part 2 Procedure for Failure Mode and Effects Analysis (FMEA) (First Revision) IEC : 2007 IEC 60812: 2006 The technical committee has reviewed the provisions of the following International Standards referred in this adopted standard and has decided that they are acceptable for use in conjunction with this standard: International Standard IEC :2004 IEC IEC IEC Title Dependability management Part 2 Guidelines for dependability Management Dependability management Part 3-12 Application guide Integrated logistic support Fault tree analysis (FTA) Goodness-of-fit tests, confidence intervals and lower confidence limits for Weibull distributed data For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated, expressing the result of a test or analysis, shall be rounded off in accordance with IS 2:1960 Rules for rounding off numerical values (revised). The number of significant places retained in the rounded off value should be the same as that of the specified value in this standard. Scope of IS (Part 3/Sec 14) /IEC : 2004 is as follows: This part of IEC describes a framework for maintenance and maintenance support and the various minimal common practices that should be undertaken. The purpose of this standard is to outline, in a generic manner, management, processes and techniques related to maintenance and maintenance support that are necessary to achieve adequate dependability to meet the operational needs of the customer. NOTE 1 Maintenance and maintenance support are a major element of dependability as described in IEC and IEC

7 In some cases, regulatory and other mandatory requirements need to be considered. Maintenance and maintenance support requirements and obligations may therefore need to be specified in a contract, which cites this standard. This standard is intended for use by a wide range of suppliers, maintenance support organizations and users and can be applied to all items. This standard is applicable to items, which include all types of products, equipment and systems (hardware and associated software). Most of these require a certain level of maintenance to ensure that their required functionality, dependability, capability, economic, safety and regulatory requirements are achieved. NOTE 2 For consistency, this standard will use the term item as defined in 3.1.5, except where the context requires otherwise. NOTE The Technical content of this document has not been enclosed as these are identical with the corresponding IEC Standard. For details please refer IEC : 2004or kindly contact. Head Electronics & IT Department Bureau of Indian Standards 9, B.S. Zafar Marg, New Delhi hlitd@bis.gov.in litd@bis.gov.in Telefax: