CAN CSA-M789 3-1997 Agricultural Tractors - Test Procedures - Part 3 Turning and Clearance Diameters.pdf

1、STD-CSA ISO-M787.3-CAN/CSA-FREN 1997 m 18750b8 05810bb 50T = National Standard of Canada CA N/CSA-M789.3-97 (I SO 789-3 : 1 993) I I I International Standard IS0 789-3:1993 (second edition, 1993-08-15) has been adopted without modification as CSA Standard CAN/CSA M789.3-97, which has been approved a

2、s a National Standard of Canada by the Standards Council of Canada ISSN 031 7-5669 February 1997 Agricultural tractors - Test procedures - Part 3: Turning and clearance diameters Tracteurs agricoles - Mthodes dessai - Partie 3: Diamtres de braquage e? de dgagement Reference number IS0 789-311 993(E)

3、 LArroclation canadlrnne de nomallsation (CSA), sous les auspices de laquelle cette Norme nationale a t prpare, a reu ses lettres patentes en 1919 et son accrditaton au sein du Systme de normes nationales par le Conseil canadien des normes en 1973. Association daffiliation libre, sans but lucratif n

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11、x besoins de nos dients, tant lchelle nationale quinternationale. The Canadian Standards Assoclatlon (CSA), under whose auspices this National Standard has been produced, was chartered in 1919 and accredited by the Standards Council of Canada to the National Standards system in 1973. It is a not-for

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19、Etobicoke, Ontario, M9W 1R3 Canada La Conseil canadien des nonne8 est lorganisme de coordination du Systme de normes nationales, une fdration dorganismes indpendants et autonomes qui travailient au dveloppement et lamlioration de la normalisation volontaire dans lintr(Lt national. Les principaux but

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33、 important to note thaf if remains Ihe respnsibflity of the user to judge its suitability for fheir partiwiar purpose. STD-CSA ISO-M789-3-CAN/CSA-FREN 1997 L8750b 0581Ob8 382 Agricultural tractors - Test procedures - Part 3: Turning and clearance diameters CAN/CSA- M789.3- 97 CAN/CSA-M789.3-97 Agrcu

34、ZhrraZ tractors - Test procedures - Part 3: Turning and clearance diameters CSA Preface This is the first edition of CSA Standard CAN/CSA-M789.3, Agricultural tractors - Test procedures - Part 3: Turning and clearance diameters, which is an adoption without modification of the identically titled IS0

35、 (international Organization for Standardization) Standard 789-3:1993 (second edition, 1993-08-1 5), developed by the IS0 Technical Committee iSO/TC 23. Agricultural Machinery under the jurisdiction of the Standards Steering Committee on Occupational Health and Safety, and has been formally approved

36、 by the Technical Committee. A list of the members of these Committees is available upon request. This Standard has been approved as a National Standard of Canada by the Standards Council of Canada. This Standard was reviewed for Canadian adoption by the CSA Technical Committee on February 7997 O Ca

37、nadian Standards Association - 1997. All rights reserved. No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior permission of the publisher. IS0 material is reprinted with permission. Inquiries regarding this National Standard of

38、 Canada should be addressed to Canadian Standards Association, 1 78 Rexdale Boulevard, Etobicoke, Ontario, Canada, M9 W 1 R3. CSA gratefully acknowledges the support of Agricuiture and Agricuiture et Agri-Food Canada Agroalimeniaire Canada February 7 997 - CSA/J I N T E R NAT I O NA L STANDARD IS0 7

39、89-3 Second edition 1993-08-1 5 Agricultural tractors - Test procedures - Part 3: Turning and clearance diameters Tracteurs agricoles - Mthodes dessai - Partie 3: Diamtres de braquage et de dgagement Reference number IS0 789-3: 1993(E) IS0 789-3:1993(E) Foreword IS0 (the International Organization f

40、or Standardization) is a worldwide federation of national standards bodies (IS0 member bodies). The work of preparing International Standards is normally carried out through IS0 technical committees. Each member body interested in a subject for which a technical committee has been established has th

41、e right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. IS0 collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft In

42、ternational 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. International Standard IS0 789-3 was prepared by Technical Committee ISO/TC 23, T

43、ractors and machinery for agriculture and forestry, Sub- Committee SC 2, Common tests. IS0 789 consists of the following parts, under the general title Agricultural tractors - Test procedures: - Part I: Power tests for power rake-off - Part 2: Rear three-poinr linkage lifting capacity - Part 3: Turn

44、ing and clearance diameters - Part 4: Measurement of exhaust smoke - Part 5: Partial power PTO - Non-mechanically transmitted power - Part 6: Centre of gravity - Part 7: Axle power determination - Part 8: Engine air cleaner - Part 9: Power tests for drawbar O IS0 1993 All rights resewed. No part of

45、this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without per- mission in writing from the publisher. Intemational Organization for Standardization Case Postale 56 CH-121 1 Genve 20 Switzerland II - STDOCSA ISO

46、-M787-3-CAN/CSA-FREN 1777 3875068 0583072 777 W IS0 789-3:1993IE) - Part 1 O: Measurement of hydraulic power - Tractor/impkment interface - Pan 17: Steering capability - Wheeled tractors Annex A forms an integral patt of this part of IS0 789. . 111 STDmCSA ISO-M787.3-CAN/CSA-FREN 1797 1875068 058307

47、2 803 INTERNATIONAL STANDARD IS0 789-3:19931E) Agricultural tractors - Test procedures - Part 3: Turning and clearance diameters 1 Scope This part of IS0 789 specifies a method of determin- ing the turning and clearance diameters of wheeled agricultural tractors. It applies to wheeled agricultural t

48、ractors having at least two axles fitted with pneumatic tyres. 2 Definitions For the purposes of this part of IS0 789, the following definitions appiy. 2.1 agricuitural tractor: Self-propelled wheeled machine having at least two axles, particularly de signed to pull, push, carry and operate implemen

49、ts used for agricultural work (including forestry work), which may be provided with a detachable loading platform. 2.2 track (tread) of wheeled tractor: Distance at ground level between two vertical planes passing through the centreline of ground contact of the tyres parallel to the median plane of the tractor with the wheels in the straight ahead position. (See figure 1 .I In th