Article 1. . . . . . . . . ....
Article 2. . . . . . . . . ....
Article 3. . . . . . . . . ....
Article 4. . . . . . . . . ....
Article 5. . . . . . . . . ....
Article 6. . . . . . . . . ....
Article 7. . . . . . . . . ....
Article 8. . . . . . . . . ....
Article 9. . . . . . . . . ....
Article 10. . . . . . . . . ....
Article 11. . . . . . . . . ....
Article 12. . . . . . . . . ....
ANNEX IDEFINITIONS
1.Driver's seat
2.Seat surface
3.Backrest
4.Lateral seat supports
4.1.Seat armrests
5.Seat reference point (S)
6.Depth of the seat surface
7.Width of the seat surface
8.Load adjustment range
9.Suspension travel
10.Vibration
11.Vibration acceleration (a)
12.Rms value of the acceleration (aeff)
13.Spectral power density (Ø)
13.Weighted vibration acceleration (aw)
14.Vibration ratio
15.Vibration class
16.Category A tractor
16.1.. . . . . . . . . ....
16.2.. . . . . . . . . ....
18.Reference tractor
18.1.. . . . . . . . . ....
18.2.. . . . . . . . . ....
17.Category B tractor
18.Seats of the same type
18.1.. . . . . . . . . ....
18.2.. . . . . . . . . ....
18.3.. . . . . . . . . ....
18.4.. . . . . . . . . ....
ANNEX IICONSTRUCTION AND TESTING REQUIREMENTS — EEC COMPONENT TYPE-APPROVAL AND MARKING REQUIREMENTS
1.GENERAL REQUIREMENTS
1.1.. . . . . . . . . ....
1.2.. . . . . . . . . ....
1.3.. . . . . . . . . ....
1.3.1.. . . . . . . . . ....
1.4.. . . . . . . . . ....
1.5.. . . . . . . . . ....
1.6.. . . . . . . . . ....
1.6.1.. . . . . . . . . ....
1.6.2.. . . . . . . . . ....
1.6.3.. . . . . . . . . ....
1.7.. . . . . . . . . ....
1.7.1.. . . . . . . . . ....
1.7.2.. . . . . . . . . ....
1.7.3.. . . . . . . . . ....
1.7.4.. . . . . . . . . ....
1.8.. . . . . . . . . ....
1.9.. . . . . . . . . ....
1.10.. . . . . . . . . ....
1.11.. . . . . . . . . ....
1.12.. . . . . . . . . ....
2.SPECIAL REQUIREMENTS
2.1.Seat surface dimensions
2.1.1.. . . . . . . . . ....
2.1.2.. . . . . . . . . ....
2.1.3.. . . . . . . . . ....
2.2.Position and inclination of the backrest
2.2.1.. . . . . . . . . ....
2.2.2.. . . . . . . . . ....
2.3.Inclination of the seat surface
2.3.1.. . . . . . . . . ....
2.4.Seat adjustment (see figure below)
2.4.1.. . . . . . . . . ....
2.4.2.. . . . . . . . . ....
2.5.Seat tests
2.5.1.Determination of the suspension characteristics and the range of adjustment...
2.5.1.1.. . . . . . . . . ....
2.5.1.2.. . . . . . . . . ....
2.5.1.3.. . . . . . . . . ....
2.5.1.4.. . . . . . . . . ....
2.5.1.4.1.. . . . . . . . . ....
2.5.1.4.2.. . . . . . . . . ....
2.5.1.4.3.. . . . . . . . . ....
2.5.1.4.4.. . . . . . . . . ....
2.5.1.5.. . . . . . . . . ....
2.5.1.6.. . . . . . . . . ....
2.5.1.7.. . . . . . . . . ....
2.5.2.Determination of lateral stability
2.5.2.1.. . . . . . . . . ....
2.5.2.2.. . . . . . . . . ....
2.5.2.3.. . . . . . . . . ....
2.5.3.Determination of the vertical vibration characteristics
2.5.3.1.Testing on the test stand
2.5.3.1.1.. . . . . . . . . ....
2.5.3.1.2.. . . . . . . . . ....
2.5.3.1.3.. . . . . . . . . ....
2.5.3.2.Testing on a standard roadway
2.5.3.2.1.. . . . . . . . . ....
2.5.3.2.2.. . . . . . . . . ....
2.5.3.2.3.. . . . . . . . . ....
2.5.3.2.4.. . . . . . . . . ....
2.5.3.2.5.. . . . . . . . . ....
2.5.3.2.6.. . . . . . . . . ....
2.5.3.2.7.. . . . . . . . . ....
2.5.3.3.Specifications for tests on roadway and test stand
2.5.3.3.1.. . . . . . . . . ....
2.5.3.3.2.. . . . . . . . . ....
2.5.3.3.3.. . . . . . . . . ....
2.5.3.3.4.. . . . . . . . . ....
2.5.3.3.5.. . . . . . . . . ....
2.5.3.3.5.1.. . . . . . . . . ....
2.5.3.3.5.2.. . . . . . . . . ....
2.5.3.3.5.3.. . . . . . . . . ....
2.5.3.3.6.. . . . . . . . . ....
2.5.3.3.7.. . . . . . . . . ....
2.5.3.3.7.1.. . . . . . . . . ....
2.5.3.3.7.2.. . . . . . . . . ....
2.5.3.3.7.3.. . . . . . . . . ....
2.5.4.Vibration test for tractor seats in accordance with their intended...
2.5.4.1.. . . . . . . . . ....
2.5.4.2.. . . . . . . . . ....
2.5.4.3.. . . . . . . . . ....
2.5.5.Procedure used for determining the weighted vibration acceleration of seats...
2.5.5.1.. . . . . . . . . ....
2.5.5.2.. . . . . . . . . ....
2.5.5.1.. . . . . . . . . ....
2.5.5.2.. . . . . . . . . ....
2.5.6.Procedure used for determining the weighted vibration acceleration of seats...
2.5.6.1.. . . . . . . . . ....
2.5.6.2.. . . . . . . . . ....
2.5.6.3.. . . . . . . . . ....
2.5.6.4.. . . . . . . . . ....
2.5.7.Test for determining the damping characteristics in the resonance range...
2.5.7.1.. . . . . . . . . ....
2.5.7.2.. . . . . . . . . ....
2.5.7.3.. . . . . . . . . ....
2.5.7.4.. . . . . . . . . ....
2.5.7.5.. . . . . . . . . ....
3.EEC COMPONENT TYPE-APPROVAL AND MARKING REQUIREMENTS
3.1.Conditions necessary for EEC component type-approval of a seat
3.1.1.. . . . . . . . . ....
3.1.2.. . . . . . . . . ....
3.1.3.. . . . . . . . . ....
3.1.4.. . . . . . . . . ....
3.2.Application for EEC component type-approval
3.2.1.. . . . . . . . . ....
3.2.2.. . . . . . . . . ....
3.2.2.1.. . . . . . . . . ....
3.2.2.2.. . . . . . . . . ....
3.2.2.3.. . . . . . . . . ....
3.2.2.4.. . . . . . . . . ....
3.3.Inscriptions
3.3.1.. . . . . . . . . ....
3.3.2.. . . . . . . . . ....
3.4.EEC component type-approval
3.4.1.. . . . . . . . . ....
3.4.2.. . . . . . . . . ....
3.5.Marking
3.5.1.. . . . . . . . . ....
3.5.2.. . . . . . . . . ....
3.5.2.1.. . . . . . . . . ....
3.5.2.2.. . . . . . . . . ....
3.5.2.3.. . . . . . . . . ....
3.5.3.. . . . . . . . . ....
3.5.4.. . . . . . . . . ....
3.5.5.. . . . . . . . . ....
Appendix 1Method of determining the seat reference point (S)
1.DEFINITION OF THE REFERENCE POINT (S)
2.DEVICE FOR DETERMINING THE SEAT REFERENCE POINT (S)
3.METHOD OF DETERMINING THE SEAT REFERENCE POINT (S)
Appendix 2Determination of the characteristic curves of the suspension system and the load adjustment range (Item 2.5.1)
Appendix 3Test on standard roadway
Table of elevation ordinates in relation to a basic level...
Appendix 4
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. . . . . . . . . ....
Appendix 5a
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. . . . . . . . . ....
Appendix 5b
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. . . . . . . . . ....
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Appendix 6Test stand (Item 2.5.3.1); example of construction (dimensions in mm)
Appendix 7Travel of the vibration test stand (2.5.3.1)
. . . . . . . . . ....
Appendix 7Characteristic of the filter of the vibration measuring instrument (2.5.3.3.5)
Appendix 9
Spectral power density of the vertical vibration acceleration at the...
Spectral power density Φ (f)Approximate function for the spectral power density of the vertical...
Appendix 10
Spectral power density of the vertical vibration acceleration at the...
Spectral power density Φ (f)Approximate function for the spectral power density of the vertical...
Appendix 8Example of an EEC component type-approval mark (3.5)
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. . . . . . . . . ....
ANNEX IIIMODEL EEC COMPONENT TYPE-APPROVAL CERTIFICATE
. . . . . . . . . ....
ANNEX IVDRIVER'S SEAT INSTALLATION REQUIREMENTS FOR EEC TYPE-APPROVAL OF A TRACTOR
1.. . . . . . . . . ....
1.1.. . . . . . . . . ....
1.1.1.. . . . . . . . . ....
1.1.2.. . . . . . . . . ....
1.1.3.. . . . . . . . . ....
1.1.4.. . . . . . . . . ....
1.1.5.. . . . . . . . . ....
1.1.6.. . . . . . . . . ....
2.. . . . . . . . . ....
2.1.. . . . . . . . . ....
2.2.. . . . . . . . . ....
2.3.. . . . . . . . . ....
3.. . . . . . . . . ....
4.. . . . . . . . . ....
ANNEX VANNEX TO THE EEC TYPE-APPROVAL CERTIFICATE FOR A TRACTOR WITH REGARD TO THE DRIVER'S SEAT
. . . . . . . . . ....

Council Directive

of 25 July 1978

on the approximation of the laws of the Member States relating to the driver's seat on wheeled agricultural or forestry tractors

(78/764/EEC) (repealed)

F1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .