ISO INTERNATIONAL STANDARD 8334 Second edition 2007-04-15 Forestry machinery Portable chain- saws Determination of balance and maximum holding moment Materiel forestier Scies a chaine portatives Determination de I'équilibre et du moment de sustentation maximal Reference number ISO 8334:2007(E) @ ISO 2007 by IHS under lic itted without license from IHS Not for Resale ISO8334:2007(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The iso Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT @ISO2007 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, 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 [email protected] Web www.iso.org Published in Switzerland @ IS0 2007 - All rights reserved ed by IHS unde I without license from IHS Not for Resale ISO 8334:2007(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through IsO technicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeer non-governmental, in liaison with isO, also take part in the work. isO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 8334 was prepared by Technical Committee ISO/TC 23, Tractors and machinery for agriculture and forestry, Subcommittee Sc 17, Manually portable forest machinery. This second edition cancels and replaces the first edition (IsO 8334:1985), which has been technically revised to cover not only chain-saws for forest service but those for tree service as well. It includes the additiona determination of lateral balance and maximum holding moment. All limits have been removed and are now to be set using the product standards. ii "..".. aadizao No reproductic neworkingmitedwithout licenefrmH Not for Resale INTERNATIONAL STANDARD ISO 8334:2007(E) Forestry machinery Portable chain-saws Determination of balance and maximum holding moment Scope combustion engine hand-held chain-saws. It also provides a test method for determining the maximum holding moment of tree service chain-saws. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. Iso 6531, Machinery for forestry — Porta