ISO INTERNATIONAL STANDARD 4254-12 First edition 2012-06-15 Agricultural machinery Safety - Part 12: Rotary disc and drum mowers and flail mowers Matériel agricole-Sécurite- Partie 12: Faucheuses rotatives a disques, faucheuses rotatives a tambours et faucheuses-broyeuses Reference number ISO 4254-12:2012(E) @ ISO 2012 IHSunder Not for Resale ISO 4254-12:2012(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either Iso at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 . CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ ISO 2012 - All rights reserved Not for Resale ISO 4254-12:2012(E) Contents Page Foreword .iv Introduction. 1 Scope 2 Normative references. .2 3 Terms and definitions 2 4 List of significant hazards ... 3 5 Safety requirements and/or protective measures 5.1 General...... 5.2 Protection against inadvertent contact with the cutting elements . 5.3 Protection against thrown objects that are not part of the machine . 5.4 Protection during handling and transport... 13 5.5 Additional safety requirements for conditioning devices as an attachment or an integral part of the rotary disc or drum mower... 13 5.6 Controls for adjustments..... 19 5.7 Blades... 19 5.8 Overrunning clutch or freewheel device.... 19 5.9 Implement hitch or carrier frame..... 6 Verification of safety requirements and/or protective measures.. 6.1 General. .19 6.2 Thrownobjecttest 19 6.3 Protective skirts test... .20 7 Information for use. .20 7.1 Operator's manual.... 7.2 Marking...... AnnexA (informative) Illustrations of mowers 22 Bibliography .28 CopyrghtIntermatinal Organizaionstandardizllin'ghts reserved ii se from IHS Not for Resale