PALD_2009.pdf

Safety Standard for Portable Automotive Lifting DevicesAN AMERICAN NATIO NAL STANDARDASME PALD-2009(Revision of ASME PALD-2005)Copyright 2010 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.INTENTIONALLY LEFT BLANKCopyright 2010 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.ASME PALD-2009(Revision of ASME PALD-2005)Safety Standardfor PortableAutomotiveLifting DevicesAN AMERICAN NATIONAL STANDARDCopyright 2010 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:May 21,2010The next edition of this Standard is scheduled for publication in 2012.There will be no addendaissued to this edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisStandard.Interpretations are published on the ASME Web site under the Committee Pages athttp:/cstools.asme.org as they are issued.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria for American NationalStandards.The Standards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate.The proposed code or standard was madeavailable forpublic review andcomment thatprovides an opportunityfor additional publicinput from industry,academia,regulatory agencies,and the public-at-large.ASME does not“approve,”“rate,”or“endorse”any item,construction,proprietary device,or activity.ASME does not take any position with respect to the validity of any patent rights asserted in connection with anyitems mentioned in this document,and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent,nor assume any such liability.Users of a code or standard are expresslyadvised that determination of the validity of any such patent rights,and the risk of infringement of such rights,isentirely their own responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted asgovernment or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the establishedASME procedures and policies,which precludes the issuance of interpretations by individuals.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2010 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyright 2010 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.CONTENTSForeword.vCommittee Roster.viPreface.viiSummary of Changes.ixIntroduction.1General Requirements.3Part 1Hydraulic Hand Jacks.5Part 2Transmission Jacks.9Part 3Engine Stands.13Part 4Vehicle Support Stands.16Part 5Emergency Tire Changing Jacks.20Part 6Upright-Type Mobile Lifts.25Part 7Service Jacks.27Part 8Wheel Dollies.32Part 9Shop Cranes.35Part 10Swing-Type Mobile Lifts.38Part 11Scissors-Type Mobile Lifts.40Part 12Auxiliary Stands.42Part 13Automotive Ramps.44Part 14High-Reach Supplementary Stands.48Part 15Forklift Jacks.51Part 16High-Reach Fixed Stands.53Part 17Vehicle Transport Lifts.57Part 18Attachments,Adapters,and Accessories.61Figures1-1Typical Single-Stage Hydraulic Hand Jack.61-2Typical Wheeled Pneumatic/Hydraulic Hand Jack.71-3Typical Pneumatic/Hydraulic Hand Jack.71-4Typical Multiple-Stage Hydraulic Hand Jack.82-1Typical Hydraulic Transmission Jack.102-2Typical Pneumatic/Hydraulic Transmission Jacks.113-1Typical“T”-Style Single-Post Engine Stand.143-2Typical“H”-Style Single-Post Engine Stand.143-3Typical Twin-Post Engine Stand.144-1Typical