CAN CSA-M789 11-1997 Agricultural Tractors - Test Procedures - Part 11 Steering Capability of Wheeled Tractors (First Edition).pdf

1、National Standard of Canada CAlV,/CSA-M789. I1 -97 (IS0 789-11:1996) International Standard IS0 789-11:1996 (first edition, 1996-03-01) has been adopted without modification as CSA Standard CAN/CSA M789.11-97, which has been approved as a National Standard of Canada by the Standards Council of Canad

2、a ISSN 031 7-5669 February 1997 Agricultural tractors - Test procedures - Part 11: Steering capability of wheeled tractors Tracteurs agricoies - Methodes d essai - Partie 71: Performances du dispositif de direction des tracteurs a roues Reference number IS0 789-1 1 :1996(E) LAssoclation canadienne d

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10、convisnt a ses besoins particuliers. Although the intended primary application of this Standard is stated in its Scope, it is important to note that it remains the responsibility of the user to judge its suitability for their particular purpose. CAN/CSA-M789. I1 -97 Agricultural troctors - Test proc

11、edures - Part I 1 ; Steering capability of wheeled tractors CAN/CSA-M789.11-97 Agricultural tractors - Test procedures - Part 11: Steering capabizity of wheeled tractors CSA Preface This is the first edition of CSA Standard CAN/CSA-M789.11, Agricultural tractors - Test procedures - Part 7 7: Steerin

12、g capability of wheeled tractors, which is an adoption without modification of the identically titled IS0 (International Organization for Standardization) Standard 789-1 1 :1996 (first edition, 1996-03-01 ), developed by the IS0 Technical Committee ISOITC 23. Agricultural Machinery under the jurisdi

13、ction of the Standards Steering Committee on Occupational Health and Safety, and has been formally approved 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 Ca

14、nada. This Standard was reviewed for Canadian adoption by the CSA Technical Committee on February 7997 0 Canadian 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

15、 of the publisher. IS0 material is reprinted with permission. Inquiries regarding this National Standord of Canada should be addressed to Canadian Standards Association, 7 78 Rexdale Boulevard, tobicoke, Ontario, Canada, M9W lR3. CSA gratefully acknowledges the support of Agriculture and Agricutture

16、 et Agri-Food Canada Agroalirnentaire Canada Coalition canadienns pour la the type and model of tractor; tractor mass and ballast description; tractor drive; tractor tyre sizes and pressures, in kilopascals; steering characteristics; test conditions; data on steering effort, and time to achieve a 12

17、 m turning radius. 2 IS0 789-1 1 :1996(E) Starting position (steering-wheet positioned for driving in a straight Line) Point at which 12 m turning radius is achieved end of test) Figure 1 - Steering course 3 IS0 789-1 1 1996( E) Annex A (normative) Specimen test report A.l Tractor Manufacturers name

18、 and address: Tractor make: . Model: Mass of tractor submitted for test (including ballast): . kg Rear: kg Total: kg Description of ballast: . Front: A.2 Track (tread) setting Nominal mm mm Actual front mm mm Actual rear mm mm A.3 Drive wheels 0 Two wheel 0 Four wheel D Other (describe): A.4 Tyres a

19、nd wheels Tyre size: Singles or duals: Tyre pressure: Front . . . kPa Rear kPa 4 el IS0 IS0 789-11:1996(E) A.5 Steering equipment 0 Ackermann steer front axle 0 Articulated Special equipment: Type of steering 3 Manual 0 Assisted Servo 0 Other (describe): . A.6 Test surface Paved 0 Compacted soil A.7

20、 Steering effort and time to achieve 12 m turning radius at 10 km/h Tractor state Steering effort N Time S With engine running lei: turn: right turn: Simulated tractor energy source failure left turn: right turn: Comments: . . Measured by: Test location: . Test date: 5 Proposition de rnodiflcution N

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37、ss Activities in the Standards field cover a number The Vice President 5 tan dards D evelo pm en t Canadian Standards Association 178 Rexdale Boulevard Etobicoke, Ontario MPW 7 R3 IS0 789-1 1 :1996(E) ICs 65.060.1 0 Descriptors: agricultural machinery, agricultural tractors, tests, performance tests, determtnatlon, steering pedorrnance Organisme sans but lucratif du secteur prive A not-for-profit private sector organization Et obicoke, 0 n tario Canada M9W 7R3 7 78, boulevard Rexdole 178 Rexdale Boulevard (4 t 6) 747-4000 Bureaux rggionaux a Regional offices in Vancouver, Edmonton, Mon tr&/