BS ISO BRITISH STANDARD 5007:2003 Agricultural wheeled tractors Operator's seat Laboratory measurement of transmitted yibration ICS 13.160; 65.060.10 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards BS ISO 5007:2003 National foreword This British Standard reproduces verbatim IS0 5007:2003 and implements it as the UK national standard. The UK participation in its preparation was entrusted to Technical Committee AGE/6, Agricultural tractors and forestry machinery, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the BSI Catalogue under the section entitled "International Standards Correspondence Index", or by using the"Search" facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This British Standard was This document comprises a front cover, an inside front cover, the ISO title page, published under the authority pages ii to v, a blank page, pages 1 to 14, an inside back cover and a back cover. of the Standards Policy and Strategy Committee on The BSI copyright date displayed in this document indicates when the 5May2003 document was last issued. Amendments issued since publication Amd. No. Date Comments @ BSI 5 May 2003 ISBN0580417468 BS IS0 5007:2003 INTERNATIONAL ISO STANDARD 5007 Second edition 2003-03-15 Agricultural wheeled tractors Operator's seat Laboratory measurement of transmitted vibration Tracteurs agricoles a roues- SiegeduconducteurMesurageen laboratoiredesvibrationstransmises Reference number ISO5007:2003(E) ISO BS IS0 5007:2003 = BSIS0 5007:2003 Contents Page Foreword Introduction 1 Scope 2 Normativereferences 3 Terms and definitions 4 Symbolsandabbreviatedterms. 5 General.... 5.1 Evaluation criteria 5.2 Instrumentationandfrequencyanalysis. 5.3 Safety... Testconditionsandprocedure 6 6.1 General.. 6.2 Simulation of vibration (see ISO 10326-1:1992, Clause 5) 6.3 6.4 Testpersonandpostur 6.5 Input vibration .. 6.6 Toleranceson input vibration (see ISO 10326-1:1992,8.1) 7 Acceptance criteria 7.1 SEAT factor...... 7.2 Damping performance 7.3 Damper adjustment 8 Seat identification 8 9 Test repor Bibliography ii BSIS05007:2003 Foreword ISO (the International Organization for Standardization) is a worldwidefederation of national standards bodies (isO member bodies). The work of preparing International Standards is normally carried out through IsO InternationalElectrotechnicalCommission(lEC)onallmattersofelectrotechnicalstandardization International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. adopted by the technical committees are circulated to the member bodies for voting. Publication as an Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO5007 was prepared byTechnical Committee ISO/TC23,Tractors and machinery for agriculture and forestry,SubcommitteeSC2,Commontests. This second edition cancels and replaces the first edition (isO 5007:1990), which has been technically revised. iv BSIS05007:2003 Introduction The operators of agricultural tractors are often exposed to a low frequency vibration environment, partly suspension seat