BRITISH STANDARD AUTOMOBILE SERIES BS AU 154a 1989 (Superseding BS AU 154 1970) Specification for Hydraulic trolley jacks UDC 629 119 621 866 – 82 001 4 004 15 620 1 BS AU 154a 1989 This British Stand[.]
BRITISH STANDARD AUTOMOBILE SERIES BS AU 154a:1989 (Superseding BS AU 154:1 970) Specification for Hydraulic trolley jacks UD C 62 1 : 62 866 – 82 0 04 : 62 BS AU 154a:1989 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Mechanical Handling Standards Committee (MHE/- ) to Technical Committee MHE/1 2, upon which the following bodies were represented: Associated Offices Technical Committee Association of Loading and Elevating Equipment Manufacturers British Ports Federation and the National Association of Ports Employers British Railways Board British Telecommunications plc Construction Plant- Hire Association Department of Health and Social Security Department of Trade and Industry (Mechanical Engineering and Manufacturing Technology Division) (MMT) Electricity Supply Industry in England and Wales Federation of Wire Rope Manufacturers of Great Britain Garage Equipment Association Health and Safety Executive International Powered Access Federation London Regional Transport This British Standard, having been prepared under the direction of the Mechanical Handling and Automobile Standards Committee, was published under the authority of the Board of BSI and comes into effect on 31 January 989 © BSI 02- 2000 First published May 970 First revision January 989 The following BSI references relate to the work on this standard: Committee reference MHE/1 Draft for comment 87/761 36 DC ISBN 580 17093 Amendments issued since publication Amd No Date of issue Comments BS AU 154a:1989 Contents Page Committees responsible Foreword Inside front cover ii Scope Definitions and nomenclature General Performance Corrosion prevention and packaging Marking Documentation Appendix A Overload type test Appendix B Stability type test Appendix C Proof test Appendix D Typical dimensions of types of hydraulic trolley j ack (for information) Figure — Hydraulic trolley j ack Figure — Hydraulic trolley j ack positioned on inclined plane for stability type test Table — Typical dimensions of general purpose and long reach j acks Table — Typical dimensions of light duty j acks Table — Typical dimensions of kerb j acks Table — Typical dimensions of high lift j acks Publications referred to © BSI 02- 2000 Inside back cover i BS AU a: 989 Fore word This British Standard has been prepared under the direction of the Mechanical Handling and Automobile Standards Committee and it supersedes BS AU 54: 970, which is withdrawn BS AU 54: 970, which was the first edition, sought to specify the requirements necessary to ensure that hydraulic trolley j acks are efficient and safe in use, without thereby inhibiting individual design This was achieved by not specifying definite values but instead by allowing a range of values or, in most cases, by quoting a maximum or minimum value only The main features of the previous edition have been retained in this revision However, in addition certain design requirements have been specified and light duty j acks, intended for domestic use, have been included The test requirements have also been changed Appendix A and Appendix B describe type tests for strength and stability, Appendix C describes a proof test to be applied to each j ack and Appendix D gives tables of some typical dimensions of j acks 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 6, 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 BS AU a: 989 S cop e This British Standard specifies requirements for 2.7 cre e p five types of hydraulic trolley j ack that have been the tendency of the raised height of the j ack to be designed for tilting and, in some instances, reduced over a period of time when the lifting head manoeuvring vehicles is subj ect to a load The types and ranges of safe working loads (SWL) are as follows: General a) general purpose: up to and O p e ration including 20 tonnes (see Table ) ; The j ack shall be designed to be used on a firm, level b) long reach: up to and including 20 tonnes surface to lift one end, or one side, or one wheel of a (see Table ); vehicle, so that a stand or stands can be placed c) light duty: up to and including tonnes (see Table 2); d) kerb: up to and including tonnes (see Table 3); e) high lift: up to and including 1 tonnes (see Table 4) NOTE The titles of publications referred to in this standard are listed on the inside back cover under that part of the vehicle NOTE S tre ngth and stab ility 3.2.1 For the purposes of this British Standard, the following definitions apply and the nomenclature shown in Figure has been adopted The j ack shall be designed with a minimum factor of safety of 2.5 based on the ultimate tensile strength of the component parts when supporting the SWL 3.2.2 D e finitions and nome nclature An operator should not work under a vehicle that is supported only by the j ack Each type of trolley j ack shall be tested in accordance with Appendix A and shall show no permanent deformation or failure of any part and shall remain fully stable 3.2.3 Each type of trolley j ack shall be tested in accordance with Appendix B and shall not overturn 2.1 ge ne ral p urp ose j acks j acks intended for commercial operation, including manoeuvring vehicles 2.2 long re ach j acks j acks similar to general purpose j acks with a minimum length of 800 mm during the test and shall show no permanent deformation or failure of any part 3.2.4 Each trolley j ack shall be tested in accordance with Appendix C and shall show no visible creep, no permanent deformation and no failure of any part C omp one nt p arts Each j ack shall comprise a hydraulic pump unit, reservoir and operating mechanism controlling a 2.3 lifting beam and lifting head housed in a chassis light d uty j acks having four or more wheels j acks intended for domestic (i e non- commercial) Whe e ls use They are not intended for manoeuvring vehicles The wheels at the handle end shall be of the castor 2.4 type, except in the case of light duty j acks where ke rb j acks either castors or rigid wheels are acceptable These j acks suitable for easy transportation by virtue of their short length and detachable handle, intended for commercial operation including roadside use They are not intended for manoeuvring vehicles castor wheels where fitted shall swivel on antifriction bearings When a j ack is standing on a flat surface under no load conditions, with three wheels in contact with the surface, the fourth wheel of the j ack shall be within mm of the same surface 2.5 high lift j acks j acks similar to general purpose j acks with a minimum raised height of the lifting head of 91 mm H ydraulic fluid re se rvo ir The hydraulic fluid reservoir shall have sufficient capacity to enable the j ack to raise the lifting head to its raised height 2.6 safe wo rking load the maximum mass that the j ack may raise or lower under particular service conditions © BSI 02- 2000 BS AU a: 989 Manufacture All b earings that require a regular s ervice Where cas tings are us ed they s hall comp ly with BS 00 if of s teel and BS 6681 if of cas t iron In no event s hall p eening or p lugging b e us ed on cas tings or forgings shall b e p rovided with access ib le means of lub rication S afe ty de vice s E ach j ack shall incorp orate a device to p revent Finish lifting an overload and a device to p revent travel All cas t, forged, moulded or welded p arts s hall b e p ast its des ign s troke free of s and, dirt, fins , s cale, flux and other harmful A releas e mechanis m s hall b e p rovided that extraneous materials All external s urfaces s hall b e has a means of p reventing inadvertent retraction free from b urrs, fins and s harp edges and s hall b e when under load thoroughly clean at the time of disp atch NO TE Prevention of inadvertent retraction under load may b e achieved b y a m echanis m requiring an ab norm al effort for its Provisions fo r mainte nance All s crews , p ins , b olts and s imilar p arts s hall op eration, or a catch to lock the releas e mechanis m, or b y requiring a s econdary action b efore the releas e mechanis m can b e op erated have means for p reventing loss of tightnes s or for maintaining adj us tment Figure — H ydraulic trolle y j ack © BS I - 00 BS AU a: 989 The release mechanism shall permit the operator to After suitable cleaning, the j ack shall be treated at control precisely the rate of descent of the j ack least with a primer undercoat and finish coat or an lifting head throughout the full range of movement alternative surface treatment that provides The release mechanism shall be so placed that it can equivalent corrosion protection, except for those be operated without exposing any part of the operator’s body to entrapment between the j ack and the vehicle, and in any case entrapment of the operator’s hands between the vehicle and the raised handle shall be prevented C limatic conditions hydraulic components that need to be protected with suitable grease NOTE Any additional corrosion prevention that is required by the purchaser should be agreed between the manufacturer and the purchaser C orrosion p re ve ntion and p ackaging The j ack shall be designed to work in a temperature Packaging shall be such as to prevent deterioration range from – 20 °C to + 50 ° C during storage 1 D ime nsio ns NOTE The maximum closed height and the minimum raised height shall be measured to the highest part of the lifting head NOTE Typical dimensions for trolley j acks are given in Appendix D Attention is drawn to the relevant Sections of BS 1 33 Marking Each j ack shall be legibly and indelibly marked with the following: a) the number and date of this British Standard, i e BS AU 54a: 989 Pe rformance 1) ; b) the name, trademark or other means of O p e ratio n identification of the manufacturer; Each j ack shall be capable of smooth operation c) the capacity (SWL) in tonnes; under its full capacity load (SWL) throughout its entire range of movement in both lifting and lowering operations by one operator using the controls provided d) an instruction that support stands always be used and that operating instructions be referred to; e) the serial number of the j ack Lifting he ad The lifting head shall remain horizontal throughout the travel of the lifting beam and be free to rotate through 360 ° about a vertical axis D ocume ntation Full operating and maintenance instructions, including safety precautions and a parts list, shall be supplied with each j ack Details of the recommended hydraulic fluid shall be included 1) Marking BS AU 54a: 989 on or in relation to a product represents a manufacturer’s declaration of conformity, i e a claim by or on behalf of the manufacturer that the product meets the requirements of the standard The accuracy of the claim is therefore solely the responsibility of the person making the claim Such a declaration is not to be confused with third party certification of conformity, which may also be desirable © BSI 02- 2000 BS AU 54a:1 989 Appendix A Overload type test c) lower the lifting beam to its position of maximum hydraulic pressure; Position the j ack on a level surface Apply a load equivalent to 25 × SWL to the lifting head and operate the j ack throughout its entire range of movement Appendix B Stability type test d) adj ust the overload device so that it is inoperative; e) apply a load to the lifting head equivalent to 25 × SWL; f) allow to stand for to permit expansion; g) make any necessary adj ustments to ensure Position the j ack on a plane inclined at ° to the horizontal and with the longitudinal axis of the j ack parallel to the ground and at 90 ° to the plane (see Figure 2) Apply a load equivalent to the SWL to the centre of the lifting head when at its maximum height Repeat the test with the j ack that the load is maintained at 25 × SWL; h) observe the j ack for any signs of creep for min; i) unload the j ack and examine for permanent deformation or failure of any part; turned through 80 ° j ) reset the overload device so that it operates Appendix C Proof test beam is horizontal between the SWL and × SWL when the lifting Test each j ack as follows: a) raise the lifting beam to its full designed height, ensuring that sufficient hydraulic fluid is Appendix D Typical dimensions of types of hydraulic trolley j ack (for information) present in the reservoir at all times to prevent ingress of air to the hydraulic pressurizing Table to Table give typical dimensions of types of system; hydraulic trolley j ack b) measure and record the maximum raised height; Figure — Hydraulic trolley j ack positioned on inclined plane for stability type test © BSI 02- 2000 BS AU 54a:1 989 Table — Typical dimensions of general purpose and long reach j acks (in millimetres) Capacity range (SWL) Closed Raised Overall height (max.) height width (max.) (min ) Width at front wheels (max.) Frame height a (max.) Distance between centres of castor wheels (min.) tonnes Up to and including 25 115 61 395 330 65 305 Over 25 up to and including 25 50 61 430 330 65 305 Over 25 up to and including 65 61 460 355 205 305 Over up to and including 1 75 61 51 250 275 355 Over 1 up to and including 20 85 61 560 295 295 380 a This measurement excludes that part of the frame to which the handle is connected Table — Typical dimensions of light duty j acks (in millimetres) Capacity range (SWL) Closed Raised Overall height (max.) height (min.) width (max.) Width at Frame front height a (max.) wheels (max.) Distance between centres of rear wheels Length (min.) (min.) tonnes Up to and including a 45 355 250 205 30 80 550 This measurement excludes that part of the frame to which the handle is connected Table — Typical dimensions of kerb j acks (in millimetres) Capacity range (SWL) Closed Raised Overall height (max.) height (min.) width (max.) Width at front wheels (max.) Frame height a (max.) Distance between centres of castor wheels (min.) tonnes Up to and including 35 500 380 320 65 245 Over up to and including 45 505 380 320 90 245 Over up to and including 65 505 380 320 205 270 Over up to and including 65 530 420 320 205 305 a This measurement excludes that part of the frame to which the handle is connected Table — Typical dimensions of high lift j acks (in millimetres) Capacity range (SWL) Closed Raised Overall height (max.) height (min.) width (max.) Distance between front wheels centres (min.) Frame height a (max.) Distance between centres of castor wheels (min.) tonnes Up to and including 55 91 500 385 225 330 Over up to and including 80 91 500 385 230 330 Over up to and including 82 91 535 405 270 380 Over up to and including 1 82 91 535 41 335 405 a This measurement excludes that part of the frame to which the handle is connected © BSI 02- 2000 blank BS AU 154a:1989 Publications referred to BS 1 3 , Packaging code BS 00 , Sp ecification for steel castings for general engineering p urp oses BS 6681 , Sp ecificatio n for m alleab le cast iro n © BS I - 00 BS AU 154a:1989 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