ISO/TS TECHNICAL SPECIFICATION 28923 Secondedition 2012-11-01 Agricultural machinery Guards for moving parts of power transmission - Guard opening with tool MaterielagricoleProtecteurs pourélements mobiles de transmissiondepuissance-Protecteura ouvertureavecoutil Reference number ISO/TS28923:2012(E) ISO @IS0 2012 IS0/TS28923:2012(E) COPYRIGHTPROTECTEDDOCUMENT ISO2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in anyform or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either Iso at the addressbeloworIso'smemberbodyinthecountryoftherequester. ISO copyright office Case postale56.CH-1211Geneva 20 Tel. +4122 749 0111 Fax +41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @IS02012-All rights reserved IS0/TS28923:2012(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. .1 2 Normativereferences .1 3 Terms and definitions .1 4 General. .1 5 Requirements .2 5.1 General 2 5.2 Additionalrequirementsforfixedguards .2 5.3 Additional requirements for interlockingmovableguards .2 6 Verification of safety requirements or protective measures .3 7 Informationforuse. .3 7.1 Operator's manual. 3 7.2 Safetysigns 3 AnnexA(informative)Listofsignificanthazards. 4 isn.?Quaarightsreserved iii