BRITISH STANDARD AUTOMOBILE SERIES CONFIRMED APRIL 1991 BS AU 190 1983 Specification for Interface dimensions and fixing bolts for the mounting of overrun devices on delta shaped drawbars of trailers[.]
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: 47 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BRITISH STANDARD AUTOMOBILE SERIES CO NFIRMED APRIL 991 Specification for Interface dimensions and fixing bolts for the mounting of overrun devices on delta shaped drawbars of trailers up to 2000 kg UD C 62 01 5: 62 1 - 43 BS AU 190:1983 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: 47 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 190:1983 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Automobile Standards Committee (AUE/- ) to Technical Committee AUE/8 upon which the following bodies were represented: Association of Trailer Manufacturers Caravan Club Chief and Assistant Chief Fire Officers’ Association Department of Industry (Mechanical Engineering) Department of Transport National Caravan Council Limited 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 September 983 © BSI 02- 2000 The following BSI references relate to the work on this standard: Committee reference AUE/8 Draft for comment 82/76439 DC ISBN 580 13399 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: 47 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 190:1983 Contents Page Committees responsib le Inside front cover Foreword ii Scope D efinitions Mounting dimensions Fixing bolts and nuts Figure — Positions of mounting holes in delta shaped drawbar Pub lications referred to © BSI 02 - 000 Inside back cover 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: 47 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 90 : 983 Fore word This British Standard has been prepared under the direction of the Automobile Standards Committee It is intended to ensure interchangeability of overrun devices when they are mounted on delta shaped drawbars of trailers 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 and 2, an inside back cover 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: 47 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 90 : 983 2.2 S cop e ove rrun de vice This Britis h S tandard s p ecifies requirements for interface dimens ions and fixing b olts for the mounting of overrun devices on delta shap ed drawb ars of trailers up to a gros s mass a device that automatically ap p lies the b rakes of a trailer when the sp eed of the towing vehicle decreas es of 0 kg NO TE The titles of the p ub lications referred to in this s tandard are lis ted on the ins ide b ack cover Mounting dime nsions The sizes and disp os ition of mounting holes s hall b e as shown in Figure D e finitions NO TE For the p urp os es of this Britis h S tandard, the O verrun devices are p rovided with s lots to accommodate the two rear fixing b olts , the p os ition of which may vary within the tolerance on the angle s hown in Figure following definitions ap p ly 2.1 Fixing b olts and nuts de lta shap e d draw b ar Four /2 UNI grade S b olts and nuts comp lying twin drawb ars of a trailer whose included angle, where they j oin, is ap p roximately ° with BS 768, or four mm grade 8 b olts and nuts comp lying with BS 692 , shall b e us ed to s ecure the overrun device to the mounting face of the drawb ar The nuts s hall b e secured b y a locking method that will p revent them b ecoming loos e Figure — Positions of mounting ho le s in de lta shap e d d rawb ar © BS I - 00 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: 47 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI blank 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: 47 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 190:1983 Publications referred to BS 768, Unified precision hexagon bolts, screws and nuts (UNC and UNF threads) Normal series BS 692 , ISO metric precision hexagon bolts, screws and nuts © BS I - 00 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: 47 G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 190:1983 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