BS ISO BRITISH STANDARD 14269-4:1997 Tractors and self-propelled machines for agriculture and forestry Operator enclosure environment - Part 4: Air filter element test method ICS 65.060.01 BSi NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAW BSISO14269-4:1997 National foreword This British Standard reproduces verbatim ISO 14269-4:1997 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 or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled International Standards Correspondence Index", or by using the “Find" facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and i, the ISO title page, page ii, pages 1 to 7 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. This British Standard, having Amendments issued since publication been prepared under the direction of the Engineering Amd. No. Date Comments Sector Board, was published under the authority of the Standards Board and comes intoeffect on 15May1998 CBSI 04-1999 ISBN 0 580 29854 X BS ISO 14269-4:1997 Contents Page National foreword Inside front cover Foreword ii 1 Scope 1 2 Normative references 1 3 Definitions 1 4 Air filter element performance test 1 Annex A (informative) Example of test report form for panel-type air filter 7 Figure 1 Test shroud 3 Figure 2 Test equipment setup 4 Figure 3 Dust feeder 5 Figure 4 Dust injector 6 Table 1 Chemical analysis of test dust 1 Table 2 Particle size distribution by volume 2 Table 3 Particle size distribution by mass 21 BSI 04-1999 i