BRITISH STANDARD AUTOMOBILE SERIES BS AU 245 1992 ISO 8035 1991 Specification for Front towing attachments for commercial road vehicles and buses over 3 5 t L ic e n s e d C o p y L o n d o n S o u th[.]
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 02: 07: G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BRITIS H S TAND ARD AUTO MO BILE S E RIE S BS AU : 992 IS O 80 : 9 S p e cification for Front towing attachme nts for comme rcial road ve hicle s and b use s ove r t 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 02: 07: G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 245:1992 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Automobile Standards Policy Committee (AUE/- ) to Technical Committee AUE/1 5, upon which the following bodies were represented: Association of Trailer Manufacturers Caravan Club Department of Transport Metropolitan Police Motor Industry Research Association National Caravan Council Limited Society of Motor Manufacturers and Traders Limited This British Standard, having been prepared under the direction of the Automobile Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on Amendments issued since publication May 992 © BSI 0- 999 The following BSI references relate to the work on this standard: Committee reference AUE/1 Draft for comment 83/7361 DC ISBN 580 20831 Amd No Date 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 02: 07: G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 245:1992 Contents Page Committees responsib le National foreword ii Scope Normative references D efinitions Location of attachment Shape Strength Testing Requirements List of references © BSI 0- 999 Inside front cover 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 02: 07: G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 245 :1 992 National foreword This British Standard has been prepared under the direction of the Automobile Standards Policy Committee It is identical with ISO 8035: 991 vehicles and b uses ov er 3, t — Fro nt to w ing attachm ents, Com m ercial road published by the International Organization for Standardization (ISO) Cross-references International Standard Corresponding British Standard ISO 1 02: 986 BS AU 220: 988 Sp ecification for dim ensions of 50 m m draw b ar coup lings b etw een com m ercial ro ad v ehicles and trailers (Identical) ISO 5422: 982 BS AU 88: 983 rop es, Sp ecification for ancho rages for to w ing cab les or b ars for road v ehicles (Identical) The Technical Committee has reviewed the provisions of ISO 1 76 and ISO 3833, to which normative reference is made in the text, and has decided that they are acceptable for use in conj unction with this standard 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 Compliance with a British Standard does not of itself confer immunity from legal obligations Summary of pages 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 0- 999 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 02: 07: G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU : 992 3.4 S cop e This International Standard specifies the characteristics required of attachments mounted on anchorage see ISO 5422 the front of commercial road vehicles and buses (as defined in ISO 3833) of maximum total authorized Location of attachment mass over 3, t (ISO- M08) The attachment permits The attachment shall be installed at the front of the the use of ropes, cables or bars, at the choice of the vehicle and shall not proj ect in the horizontal plan manufacturer, allowing the vehicle to be towed, or beyond the exterior contour of the vehicle (body plus otherwise manoeuvred by other vehicles, or to be bumpers) except during towing used for manoeuvring other vehicles It excludes attachments for emergency operations, e g recovery Shape of road vehicles after an accident This International Standard does not apply to special purpose vehicles and standard vehicles used for special applications Normative re fe re nce s 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 subj ect to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the standards 5.1 The shape of the attachment is left to the discretion of the manufacturer, subj ect to the condition that it shall comply with the requirements given in this International Standard It shall permit the attachment of ropes, cables or bars for towing, without the aid of special tools or auxiliary parts It shall permit a displacement of ± 50 ° of arc horizontally and ± ° vertically of the ends of towing devices (steel rope or bar), fixed between the towing and the towed vehicle 5.2 The attachment shall not damage the rope, cable or bar during towing indicated below Members of IEC and ISO maintain Any detachable parts shall be secured so that they registers of currently valid International Standards cannot be lost ISO 1 02: 986, During operation the rope, cable or bar shall not Com m ercial road v ehicles — Mechanical connections b etw een tow ing vehicles and trailers — 50 m m draw b ar co up lings ISO 1 76: 990, Ro ad v ehicles — Mass es — Vocab ulary and codes ISO 3833: 977, ISO 5422: 982, 5.3 The shape should permit the use of the bar as described in ISO 1 02, if the manufacturer agrees to the use of bars for towing the vehicle Ro ad v ehicles — Typ es — Term s S tre ngth and definitions tow ing ro p es, come loose Ro ad v ehicles — Anchorages fo r cab les or b ars The attachment shall be designed to withstand a static force with a value at least: ISO- M08 D e finitions a) For the purposes of this International Standard, the vehicles; following definitions apply 3.1 co mp le te ve hicle ke rb mass see ISO 1 76 (code ISO- M06) b) × g ISO- M06 × g for goods transport commercial for passenger transport commercial vehicles (buses) where 3.2 ISO- M08 and ISO- M06 are as defined in maximum authoriz e d to tal mass and see ISO 1 76 (code ISO- M08) g 3.3 sp e cial p urp ose ve hicle s and sp e cial ap p lications o f stand ard ve hicle s 3.1 3.2 respectively; is the acceleration due to gravity, applied as specified in clause NOTE In the case of vehicles towing trailers and articulated vehicles, the maximum authorized total mass is the one stated in the note of ISO 1 76 for the tractive units see different types in ISO 3833 © BSI 0- 999 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 02: 07: G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU : 992 Te sting Te st conditions The vehicle shall be appropriately immobilized, at maximum authorized total mass or at complete vehicle kerb mass as specified by the vehicle manufacturer, on a firm horizontal surface The vehicle manufacturer is allowed, if he desires, to carry out the test on the body or on the chassis of the vehicle in total or in parts, provided that it is fixed rigidly to the bench with attachment links to the front suspension and provided the parts in the surrounding area of the towing device are in place At the choice of the manufacturer, compliance with the test may also be verified by calculation Re quireme nts After each test carried out as specified in clause the vehicle shall meet the requirements set in and 7, 8 The attachment shall show no deformation liable to affect normal operation Devices mounted in the proximity of the attachments (for example compulsory lighting or Te st p roce d ure 7.2.1 Both tests shall be carried out horizontally in the longitudinal vehicle direction The towing attachment shall be subj ected to two tests: one with a static compressive force and signalling devices, braking and steering systems) shall show no damage preventing normal operation the other one with a static tractive force equal to the force defined in a) or b) These forces shall be applied progressively © BSI 0- 999 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 02: 07: G M T+00: 00 2006, U n trol l ed Copy, (c) BSI List of references See national foreword © BSI 0- 999 BS AU 245:1992 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 02: 07: G M T+00: 00 2006, U n trol l ed Copy, (c) BSI BS AU 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