BRITISH STANDARD AUTOMOBILE SERIES BS AU 211 1987 ISO 8719 1986 Specification for Dimensions of four hole flanges for gear driven air compressors for commercial vehicles and buses [ISO title Commercia[.]
Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 01 : 57: 59 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BRITISH STANDARD AUTOMOBILE SERIES BS AU 21 :1 987 ISO 871 9:1 986 Specification for Dimensions of four-hole flanges for gear-driven air compressors for commercial vehicles and buses [ISO title: Commercial vehicles and buses — Four-hole flanges for gear-driven air compressors] UD C 62 1 4/ : 62 – 82 2 : 62 – 643 41 Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 01 : 57: 59 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 211:1987 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Automobile Standards Committee (AUE/- ) to Technical Committee AUE/1 3, upon which the following bodies were represented: Department of Transport (Highways) Freight Transport Association Institute of Road Transport Engineers (Incorporated) London Regional Transport Ministry of Defence National Bus Company Road Haulage Association Ltd Society of Motor Manufacturers and Traders Limited This British Standard, having been prepared under the direction of the Automobile Standards Committee, was published under the authority of the Board of BSI and comes into effect on Amendments issued since publication 30 January 987 © BSI 02- 2000 The following BSI references relate to the work on this standard: Committee reference AUE/1 Draft for comment 84/78525 DC ISBN 580 15686 Amd No Date of issue Comments Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 01 : 57: 59 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 211:1987 Contents Page Committees responsib le © BSI 02 - 000 Inside front cover National foreword ii Scope and field of application D imensions and tolerances O ther specifications Figure — Four- hole flange configuration Figure — D imensions and location of lubricating oil inlet connection Figure — Location of lubricating oil outlet outside the centring shoulder Table 1 Table 2 i Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 01 : 57: 59 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 1 : 987 National fore word This British Standard has been prepared under the direction of the Automobile Standards Committee and is identical with ISO 871 9: 986 “Commercial vehicles and buses — Four-hole flanges for gear-driven air compressors ”, published by the International Organization for Standardization (ISO) Te rmino lo gy and conve ntio ns The text of the International Standard has been approved as suitable for publication as a British Standard without deviation Some terminology and certain conventions are not identical with those used in British Standards; attention is drawn especially to the following The comma has been used as a decimal marker In British Standards it is current practice to use a full point on the baseline as the decimal marker Wherever the words “International Standard” appear, referring to this standard, they should be read as “British Standard” NOTE Te xtual e rro r When adopting the text of the International Standard, the textual error given below was discovered It has been marked in the text and has been reported to ISO in a proposal to amend the text of the International Standard Clause should be numbered as clause and clause should be numbered as clause A British Standard does not purport to include all the necessary provisions of a contract Users of British Standards are responsible for their correct application C omp liance with a British S tand ard d oe s no t of itse lf confe r immunity from le gal ob ligatio ns S ummary of p age s This document comprises a front cover, an inside front cover, pages i and ii, pages to and a back cover This standard has been updated (see copyright date) and may have had amendments incorporated This will be indicated in the amendment table on the inside front cover ii © BSI 02- 2000 Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 01 : 57: 59 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 21 :1 987 Scope and field of application This International Standard specifies nominal dimensions and tolerances of four- hole flanges for gear- driven air compressors; it also specifies the locations of lubricating oil inlet and outlet connections This International Standard applies to flanges of gear- driven compressors mounted on reciprocating internal combustion engines for commercial vehicles and buses 1) Dimensions and tolerances 3.1 Dimensions of the four-hole flange The flange configuration shall be contained within the area of dimensions P, W, H, A, B and r (see Figure and Table ) Figure — Four-hole flange configuration Table Dimensions in millimetres d h8 00 1) ± 0, ± 0, ± 0, ± 0, P D max + 0, 50 63 11 L M 00 N 70 O 48 W H max max 32 48 A 80 B 15 r E max + 46 See national foreword © BSI 02- 2000 Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 01 : 57: 59 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 1 : 987 D ime nsions and locations of lub ricating o il inle t conne ction The choice between the two possible locations (1 or 2) of the lubricating oil inlet connection shall be decided by mutual agreement between supplier and user (see Figure and Table 2) Figure — D ime nsions e nd lo catio n of lub ricating o il inle t conne ction Tab le Dimensions in millimetres Lo catio n F G S T V Y ± 0, ± 0, ± 0, ± 0, + 0, — — 56 30 47 38 — — Location of lub ricating o il o utle t conne ction There are two possible locations for the discharge of the lubricant; both possibilities may be provided at the compressor a) Outlet within the centring shoulder In this case, assembly is possible up to 80 ° of rotation around the horizontal axis of the crankshaft on either side NOTE As this type of compressor can always be mounted to replace the one defined in b) , this alternative is recommended for the future b) Outlet outside the centring shoulder In this case the area where the hole shall be located is defined by establishing two diameter values and the widest angle given in Figure NOTE In this case, the minimum outside radius value (smallest) and the maximum inside radius value (largest) that are set by the engine manufacturer shall rule © BSI 02- 2000 Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 01 : 57: 59 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 211:1987 Figure — Location of lubricating oil outlet outside the centring shoulder Other specifications D imensions and requirements not given in this International Standard are left to the discretion of the manufacturer © BSI 02 - 000 Li cen sed Copy: Lon d on Sou th Ban k U n i versi ty, Lon d on Sou th Ban k U n i versi ty, Sat Dec 09 01 : 57: 59 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 211:1987 ISO 8719:1986 BSI — British Standards Institution BS I is the indep endent national b ody res p ons ib le for p rep aring Britis h S tandards It p res ents the UK view on s tandards in E urop e and at the international level It is incorp orated b y Royal C harter Revisions Britis h S tandards are up dated b y amendment or revis ion Us ers of Britis h S tandards should make s ure that they p oss es s the latest amendments or editions It is the constant aim of BS I to imp rove the quality of our p roducts and services We would b e grateful if anyone finding an inaccuracy or amb iguity while us ing this Britis h S tandard would inform the S ecretary of the technical committee res p ons ib le, the identity of which can b e found on the inside front cover Tel: 02 89 96 90 00 Fax: 02 89 96 40 BS I offers memb ers an individual up dating s ervice called PLUS which ens ures that s ub s crib ers automatically receive the lates t editions of s tandards Buying standards O rders for all BS I, international and foreign s tandards p ub lications s hould b e addres s ed to C us tomer S ervices Tel: 899 00 Fax: 899 7001 In res p ons e to orders for international standards , it is BS I p olicy to sup p ly the BS I imp lementation of thos e that have b een p ub lis hed as Britis h S tandards, unless otherwis e requested Information on standards BS I p rovides a wide range of information on national, E urop ean and international standards through its Lib rary and its Technical H elp to E xp orters S ervice Various BS I electronic information s ervices are also availab le which give details on all its p roducts and s ervices C ontact the Information C entre Tel: 02 89 96 71 1 Fax: 02 89 96 048 S ub s crib ing memb ers of BS I are kep t up to date with s tandards develop ments and receive sub s tantial discounts on the p urchase p rice of s tandards For details of thes e and other b enefits contact Memb ership Adminis tration Tel: 02 89 96 70 02 Fax: 02 89 96 00 Copyright C op yright s ub s is ts in all BS I p ub lications BS I als o holds the cop yright, in the UK, of the p ub lications of the international s tandardization b odies E xcep t as p ermitted under the C op yright, D es igns and Patents Act 988 no extract may b e rep roduced, s tored in a retrieval s ystem or transmitted in any form or b y any means – electronic, p hotocop ying, recording or otherwis e – without p rior written p ermis s ion from BS I This does not p reclude the free us e, in the cours e of imp lementing the standard, of necess ary details such as s ymb ols, and size, typ e or grade designations If thes e details are to b e used for any other p urp os e than imp lementation then the p rior written p ermiss ion of BS I must b e ob tained If p ermis sion is granted, the terms may include royalty p ayments or a licensing agreement D etails and advice can b e ob tained from the C op yright Manager BS I 89 C his wick H igh Road London W4 4AL Tel: 02 89 96 70