Commission Delegated Regulation (EU) No 1322/2014 of 19 September 2014 supplementing and amending Regulation (EU) No 167/2013 of the European Parliament and of the Council with regard to vehicle construction and general requirements for the approval of agricultural and forestry vehicles Text with EEA relevance

• 3.6.2.7. Specimens are to be longitudinal and taken from flat stock, tubular or structural sections before forming or welding for use in the protective structure. Specimens from tubular or structural sections are to be taken from the middle of the side of greatest dimension and shall not include welds.

• 3.6.2.8. Alternatively, these requirements can be verified by applying the test object impact if all structural members are at, or below, – 18 °C.

Table 10.2

Impact Energy - Minimum Charpy V-Notch impact energy requirements for protective structure material at specimen temperatures of – 20 °C and – 30 °C

Specimen size	Energy at	Energy at
	– 30 °C	– 20 °C
mm	J	J [^E0017]
10 × 10 [^E0016]	11	27,5
10 × 9	10	25
10 × 8	9,5	24
10 × 7,5 [^E0016]	9,5	24
10 × 7	9	22,5
10 × 6,7	8,5	21
10 × 6	8	20
10 × 5 [^E0016]	7,5	19
10 × 4	7	17,5
10 × 3,5	6	15
10 × 3	6	15
10 × 2,5 [^E0016]	5,5	14

Indicates preferred size. Specimen size shall be no less than largest preferred size that the material permits.

The energy requirement at – 20 °C is 2,5 times the value specified for – 30 °C. Other factors affect impact energy strength, i.e. direction of rolling, yield strength, grain orientation and welding. These factors shall be considered when selecting and using steel.

Figure 10.1

Impact point referred to the clearance zone

Image omitted; see official source

Figure 10.2

Drop test impact points referred to the DLV

Image omitted; see official source

Figure 10.3

Minimum FOPS test configuration

Protective structure rigidly attached to the test bench at its normal mounting location

Image omitted; see official source

Figure 10.4

FOPS test configurations when attached to the vehicle chassis

Figure 10.4a By mountings attachments Image omitted; see official source	Figure 10.4b By suspension components Image omitted; see official source

Explanatory notes to Annex XI

• ⁽¹⁾ Unless otherwise stated, the text of the requirements and the numbering set out in Point C are identical with the text and numbering of the OECD standard Code for the official testing of falling object protective structures on agricultural and forestry tractors, OECD standard Code 10, Edition 2017 of February 2017.

ANNEX XII

Requirements applying to passenger seats

1. Requirements

• 1.1.Passenger seats, if provided, shall comply with the requirements laid down in EN 15694:2009 and with the requirements of point 2.4 of Annex XIV.

• 1.2.A vehicle equipped with a straddle seat and handlebars, and with an unladen mass, in running order excluding the mass of the driver, of less than 400 kg, and designed to carry a passenger shall meet the technical requirements for ATV Type II vehicle passenger seats in EN 15997:2011, as an alternative to EN 15694:2009.

ANNEX XIII

Requirements applying to the driver’s exposure to noise level

1. General requirements

1.1.   Unit of measurement

Noise level LA shall be measured in dB with A-weighting, expressed as dB(A).

1.2.   Noise level limits

Agricultural and forestry wheeled and track-laying tractors shall have a level driver’s exposure to noise level within the following limits:

90 dB(A) in accordance with test method 1 as set out in section 2,

or

86 dB(A) in accordance with test method 2 as set out in section 3.

1.3.   Measuring apparatus

A precision quality sound level meter shall be used meeting the requirements of the International Electrotechnical Commission Standards IEC 61672-1:2013 Electroacoustics - Sound level meters - Part 1: Specifications. Measurement shall be carried out with a frequency weighting network in conformity with curve A and set to give slow response as is described in the IEC publication.

• 1.3.1. The equipment shall be calibrated frequently and, if possible, before each measuring session.

• 1.3.2. An adequate technical description of measuring equipment shall be given in the test report.

• 1.3.3. In the case of variable readings, the average of the maximum values shall be taken.

2. Test method 1

2.1.   Conditions of measurement

Measurements shall be made under the following conditions:

• 2.1.1. the tractor must be unladen, i.e. without optional accessories, but must include coolant, lubricant, full fuel tank, tools and driver. The latter may not wear any abnormally thick clothing, scarf or hat. There may be no object on the tractor likely to distort the noise level;

• 2.1.2. the tyres must be inflated to the pressure recommended by the tractor manufacturer, the engine, transmission and drive axles must be at normal running temperature and radiator blinds when fitted must be kept open during measurements;

• 2.1.3. if it is liable to affect the noise level, extra equipment powered by the engine or self-powered such as windscreen wipers, warm air fan or power take-off, may not be in operation when measurements are being made; parts which normally operate at the same time as the engine, such as the engine cooling fan, must be in operation when measurements are being made;

• 2.1.4. the test area must be in an open and sufficiently silent location; it may take the form, for instance, of an open space of 50-metre radius, having a central part with a radius of at least 20 m which is practically level, or of a level section having a solid track with as flat a surface and as few gullies as possible. The track must be as clean and dry as possible (e.g. free of gravel, leaves, snow, etc.). Slopes and irregularities are acceptable only if the variations in noise level caused by them lie within the error tolerances of the measuring equipment

• 2.1.5. the surface of the track must be such as not to cause excessive tyre noise;

• 2.1.6. the weather must be fine and dry with little or no wind. The driver-perceived ambient noise level due to the wind or other sources of noise must be at least 10 dB(A) below the noise level of the tractor;

• 2.1.7. if a vehicle is used for measurements, it must be towed or driven at a sufficient distance from the tractor to avoid all interference. During measurements no object interfering with the measurements or reflective surfaces may be located within 20 m of each side of the test track or less than 20 m to the front or rear of the tractor. This condition can be considered fulfilled if the variations in noise level thus caused remain within the error tolerances; if not, the measurements must be discontinued for the duration of the interference;

• 2.1.8. all measurements in a given series must be carried out on the same track.

• 2.1.9. Vehicles of category C with steel tracks shall be tested on a layer of humid sand as specified by paragraph 5.3.2 of ISO 6395:2008.

2.2.   Method of measurement

• 2.2.1.The microphone must be located 250 mm to the side of the centre plane of the seat, the side being that on which the higher noise level is encountered.

• The microphone diaphragm must face forward and the centre of the microphone must be 790 mm above and 150 mm forward of the Seat Reference Point (S) described in Appendix 8 to Annex XIV. Excessive vibration of the microphone must be avoided.

• 2.2.2.The maximum noise level in dB(A) shall be determined as follows:

• 2.2.2.1. all openings (e.g. doors, windows) in tractors having a closed series-produced cab structure must be closed during an initial series of measurements;
• 2.2.2.1.1. during a second series of measurements, they must be left open, provided that, when open, they do not create a road safety hazard, but fold-down or fold-up windscreens must remain closed;

• 2.2.2.2. noise must be measured using slow sound-level meter response at the load corresponding to the maximum noise in the gear giving the forward speed nearest to 7,5 km/h, or 5 km/h for tractors on steel tracks. The governor control lever must be fully open. Starting with no load, the load applied must be increased until the maximum noise level is found. After each increase of load, time must be allowed for the noise level to stabilise before making the measurement;

• 2.2.2.3. noise must be measured using slow sound-level meter response at the load corresponding to the maximum noise in any gear other than that referred to in point 2.2.2.2 in which the noise level recorded is at least 1 dB(A) above that recorded in the gear referred to in point 2.2.2.2. The governor control lever must be fully open. Starting with no load, the load applied must be increased until the maximum noise level is found. After each increase of load, time must be allowed for the noise level to stabilise before making the measurement;

• 2.2.2.4. noise must be measured at the maximum design speed of the unladen tractor.

2.3.   Content of the test report

• 2.3.1.For T category tractors and C category tractors with rubber tracks, the test report shall include noise-level measurements carried out under the following conditions:

• 2.3.1.1. in the gear giving the speed nearest to 7,5 km/h;

• 2.3.1.2. in any gear, if the conditions described in point 2.2.2.3 are fulfilled;

• 2.3.1.3. at maximum design speed.

• 2.3.2.For C category tractors with steel tracks, the test report shall include noise-level measurements carried out under the following conditions:

• 2.3.2.1. in the gear giving the speed nearest to 5 km/h;

• 2.3.2.2. at standstill of the tractor.

2.4.   Assessment criteria

• 2.4.1.For T category tractors and C category tractors with rubber tracks, The measurements described in points 2.2.2.1, 2.2.2.2, 2.2.2.3 and 2.2.2.4 may not exceed the values laid down in point 1.2.

• 2.4.2.For C category tractors with steel tracks, the measurement described in point 2.3.2.2 may not exceed the values laid down in point 1.2. The measurements described in points 2.3.2.1 and 2.3.2.2 shall be included in the test report.

3. Test method 2

3.1.   Conditions of measurement

Measurements shall be made under the following conditions:

• 3.1.1. the tractor must be unladen, i.e. without optional accessories, but must include coolant, lubricant; full fuel tank, tools and driver. The latter may not wear any abnormally thick clothing, scarf or hat. There may be no object on the tractor likely to distort the noise level;

• 3.1.2. the tyres must be inflated to the pressure recommended by the tractor manufacturer, the engine, transmission and drive axles must be at normal running temperature and, if the engine has cooling louvres, these must remain completely open;

• 3.1.3. if it is liable to affect the noise level, extra equipment powered by the engine or self-powered such as windscreen wipers, warm air fan or power take-off, for example, may not be in operation when measurements are being made; parts which normally operate at the same time as the engine, such as the engine cooling fan, for example, must be in operation when measurements are being made. At the discretion of the manufacturer, an additional optional noise measurement may be made with the engine stopped and auxiliaries such as ventilating fans, defrosters and other electrical facilities working at maximum settings;

• 3.1.4. the test area must be in an open and sufficiently silent location: it may take the form, for instance, of an open space of 50-metre radius, having a central part with a radius of at least 20 m which is practically level, or of a level section having a solid track with as flat a surface and as few gullies as possible. The track must be as clean and dry as possible (e.g. free of gravel, leaves, snow, etc.). Slopes and irregularities are acceptable only if the variations in noise level caused by them lie within the error tolerances of the measuring equipment;

• 3.1.5. the surface of the track must be such as not to cause excessive tyre noise;

• 3.1.6. the weather must be fine and dry with little or no wind. The driver-perceived ambient noise level due to the wind or other sources of noise must be at least 10 dB(A) below the noise level of the tractor;

• 3.1.7. if a vehicle is used for measurements, it must be towed or driven at a sufficient distance from the tractor to avoid all interference. During measurements no object interfering with the measurements or reflective surfaces may be located within 20 m of each side of the test track or less than 20 m to the front or rear of the tractor. This condition can be considered fulfilled if the variations in noise level thus caused remain within the error tolerances; if not, the measurements must be discontinued for the duration of the interference;

• 3.1.8. all measurements in a given series must be carried out on the same track.

• 3.1.9. Vehicles of category C with steel tracks shall be tested on a layer of humid sand as specified by paragraph 5.3.2 of ISO 6395:2008.

3.2.   Method of measurement

• 3.2.1.The microphone must be located 250 mm to the side of the central plane of the seat, the side being that on which the higher noise level is encountered.

• The microphone diaphragm must face forward and the centre of the microphone must be 790 mm above and 150 mm forward of the Seat Reference Point (S) described in Appendix 8 to Annex XIV. Excessive vibration of the microphone must be avoided.

• 3.2.2.Noise level shall be determined as follows

• 3.2.2.1. the tractor must travel along the section at the same test speed at least three times for at least 10 seconds;

• 3.2.2.2. all openings (e.g. doors, windows) in tractors having a closed series-produced cab structure must be closed during an initial series of measurements;
• 3.2.2.2.1. during a second series of measurements they must be left open, provided that when open they do not create a road safety hazard, but fold-down or fold-up windscreens must remain closed;
• 3.2.2.2.2. during the optional third series of measurements the engine shall be stopped and auxiliaries such as ventilating fans, defrosters and other electrical facilities shall be working at maximum settings;

• 3.2.2.3. noise must be measured at the maximum rpm using slow sound-level meter response i.e. in the gear giving the speed nearest to 7,5 km/h at the rated rpm. The tractor must be unladen when measurements are being made

3.3.   Content of the test report

For C category tractors on steel tracks, the test report shall include noise-level measurements carried out under the following conditions:

• 3.3.1. in the gear giving the speed nearest to 5 km/h;

• 3.3.2. at standstill of the tractor.

3.4.   Assessment criteria

• 3.4.1.For T category tractors and C category tractors with rubber tracks, the measurements described in points 3.2.2.2 and 3.2.2.3 may not exceed the values laid down in Point 1.2.

• 3.4.2.For C category tractors with steel tracks, the measurement described in point 3.3.2 may not exceed the values laid down in Point 1.2. The measurements described in points 3.3.1 and 3.3.2 shall be included in the test report.

ANNEX XIV

Requirements applying to the driving seat

LIST OF APPENDICES

Appendix Number	Appendix title
1	Determination of the characteristics curves of the suspension system and the load adjustment range (point 3.5.1)
2	Test on standard roadway Table of elevation ordinates in relation to a basic level defining the surface of each strip of the roadway (point 3.5.3.2.1)
3	Set-value signals for the test-stand inspection of the driver’s seat on Category A (Class I) tractors (point 3.5.3.1.1)
4a	Set-value signals for the test-stand inspection of the driver’s seat on Category A (Class II) tractors (point 3.5.3.1.1)
4b	Set-value signals for the test-stand testing of drivers’ seats for category A tractors in class III (point 3.5.3.1.1)
5	Test stand (point 3.5.3.1); example of construction (dimensions in mm)
6	Characteristic of the filter of the vibration measuring instrument (point 2.5.3.3.5)
7	Driver’s seat installation requirements for EU type-approval of a tractor
8	Method for determining the seat reference point (S)

1. Definitions

For the purpose of this Annex the following definitions shall apply:

• 1.1. ‘Seat surface’ means the almost horizontal area of the seat which supports the driver when seated.

• 1.2. ‘Lateral seat supports’ means the devices or forms of the seat surface which prevent the driver from sliding sideways.

• 1.3. ‘Seat armrests’ means the devices on either side of the seat which support the driver’s arms when he is seated.

• 1.4. ‘Depth of the seat surface’ means the horizontal distance between the Seat Reference Point (S) and the front edge of the seat surface.

• 1.5. ‘Width of the seat surface’ means the horizontal distance between the outside edges of the seat surface measured in a plane perpendicular to the median plane of the seat.

• 1.6. ‘Load adjustment range’ means the range between the two loads corresponding to the mean positions in the suspension system curves plotted for the heaviest and lightest driver.

• 1.7. ‘Suspension travel’ means the vertical distance between the highest position and the position at a given moment of a point situated on the seat surface 200 mm in front of the Seat Reference Point (S) in the median longitudinal plane.

• 1.8. ‘Vibration’ means the vertical movement up and down of the driver’s seat.

• 1.9. ‘Vibration acceleration (a)’ means the second differential of the vibration displacement with respect to time.

• 1.10. ‘Rms value of the acceleration (aeff)’ means the square root of the mean square of the accelerations.

• 1.11. ‘Weighted vibration acceleration (aw)’ means the weighted vibration acceleration determined with the help of a weighting filter in accordance with point 3.5.3.3.5.2. awS = rms value of the weighted seat vibration acceleration measured during a bench test or a standard roadway test; awB = rms value of the weighted vibration acceleration measured at the seat attachment during a bench test; awB = reference rms value of the weighted vibration acceleration measured at the seat attachment; awS = corrected rms value of the weighted seat vibration acceleration measured during a bench test; awF* = rms value of the weighted vibration acceleration measured at the seat attachment during a standard roadway test.

• 1.12. ‘Vibration ratio’ means the ratio of the weighted vibration acceleration measured on the driver’s seat to that measured at the seat attachment in accordance with point 3.5.3.3.2.

• 1.13. ‘Vibration class’ means the class or group of tractors which show the same vibration characteristics.

• 1.14. ‘Category A tractor’ means a tractor which can be assigned to a given vibration class by reason of similar design features. The characteristics of these tractors are as follows: number of axles: two having wheels or rubber tracks on at least one axle suspension: unsuspended rear axle Category A tractors shall be divided up into three classes: Class I tractors having an unladen mass of up to 3 600 kg;

Class II tractors having an unladen mass of 3 600 — 6 500 kg; Class III tractors having an unladen mass of more than 6 500 kg.

• 1.15. ‘Category B tractor’ means a tractor which cannot be assigned to a vibration class in Category A.

- 1.16. ‘Seats of the same type’ means seats which do not differ in any essential respects; the only aspects in which the seats may differ being as follows:

• — dimensions;
• — position and inclination of the backrest;
• — inclination of the seat surface;
• — longitudinal and vertical adjustment of the seat.

• 2.1.The driver’s seat must be designed to ensure a comfortable position for the driver when controlling and manoeuvring the tractor, and to afford him the utmost protection as regards health and safety.

• 2.2.The seat must be adjustable in the longitudinal direction and in the height without the use of a tool.

• 2.3.The seat must be designed to reduce shocks and vibration. It must therefore be well sprung, have good vibration absorption and provide adequate support at the rear and sides.

• The lateral support is considered adequate if the seat is designed to prevent the driver’s body from slipping sideways.

• 2.3.1.The seat must be suitable for persons of different mass. Any adjustment necessary in order to comply with this requirement must be carried out without the use of tools.

• 2.4.The seat surface, the backrest, the lateral supports and, where fitted, the removable, folding or fixed armrests, must be padded and the coating material must be washable.

• 2.5.The Seat Reference Point (S) must be calculated in the manner specified in Appendix 8.

• 2.6.Save as otherwise provided, the measurements and tolerances must comply with the following requirements:

• 2.6.1. the measurements given must be expressed in whole units, if necessary rounded off to the nearest whole number of units;

• 2.6.2. the instruments used for making measurements must enable the measured value to be rounded off to the nearest whole unit and must be accurate within the following tolerance limits:
• — for length measurements: ± 0,5 %,
• — for angle measurements: ± 1°,
• — for determination of the mass of the tractor: ± 20 kg,
• — for measurement of tyre pressure: ± 0,1 bar;

• 2.6.3. for all data relating to dimensions, a tolerance of ± 5 % is allowed.

• 2.7.The seat must undergo the following tests, carried out on the same seat and in the order indicated below:

• 2.7.1. determination of the suspension characteristics and the range of adjustment to the driver’s mass;

• 2.7.2. determination of lateral stability;

• 2.7.3. Determination of vertical vibration characteristics.

• 2.7.4. Determination of the damping characteristics in the resonance range.

• 2.8.If the seat is manufactured so that it can revolve about a vertical axis, then tests are carried out with the seat facing the forward position, locked in a position parallel with the median longitudinal plane of the tractor.

• 2.9.The seat undergoing the above tests must possess the same characteristics with respect to construction and fittings as the seats in series production.

• 2.10.Before the tests are carried out, the seat must have been run in by the manufacturer.

• 2.11.A test report, which confirms that the seat has completed all the specified tests without damage and which includes details of the seat vibration characteristics, must be prepared by the test laboratory.

• 2.12.Seats tested for Class I tractors are suitable only for tractors of that class, whereas seats tested for Class II tractors are suitable for Class I or Class II tractors and seats tested for class III tractors are suitable for class II and III tractors.

• 2.13.A vehicle equipped with a straddle seat and handlebars is deemed to comply with the requirements of points 2.2 to 2.7 where the straddle seat allows the operator to adjust his position on the seat so that he can effectively operate the control devices and where the vehicle passes the vibration test on the standard roadway as defined in point 3.5.3.

- 2.14.As an alternative to the provisions of point 3.5, for vehicles of category C with steel tracks, the vibrations transmitted to the driver may be measured according to the specifications of paragraph 5.3.2 of ISO 6395:2008 with the unladen vehicle travelling over a layer of humid sand at a constant speed of 5 km/h (± 0,5 km/h) and with the engine at rated speed. The measurement shall be done following specifications of point 3.5.3.3.

3. Special requirements

3.1.   Seat surface dimensions

• 3.1.1. The depth of the seat surface, measured parallel to and at a distance of 150 mm from the median longitudinal plane of the seat, must be 400 ± 50 mm (see figure 1).

• 3.1.2. The width of the seat surface, measured perpendicular to the median plane of the seat, 150 mm in front of the Seat Reference Point (S) and at not more than 80 mm above that point, must be at least 450 mm (see figure 1).

- 3.1.3. The depth and width of the surface of seats intended for tractors in which the minimum rear-wheel track width does not exceed 1 150 mm may be reduced to not less than 300 and 400 mm respectively if the design of the tractor prevents compliance with the requirements of points 3.1.1 and 3.1.2.

3.2.   Position and inclination of the backrest

• 3.2.1. The upper edge of the backrest of the seat must be at least 260 mm above the Seat Reference Point (S) (see figure 1).

- 3.2.2. The backrest must have an inclination of 10 ± 5° (see figure 1).

3.3.   Inclination of the seat surface

- 3.3.1. The inclination towards the rear (see angle α in figure 1) of the surface of the loaded cushion must be 3 to 12° in relation to the horizontal, measured with the loading device in accordance with Appendix 8.

3.4.   Seat adjustment (see figure 1)

• 3.4.1. The seat must be adjustable in the longitudinal direction over a minimum distance of:

• — 150 mm for tractors with a minimum rear-wheel track width of more than 1 150 mm,

• — 60 mm for tractors with a minimum rear-wheel track width of 1 150 mm or less.

• 3.4.2. The seat must be adjustable in the vertical direction over a minimum distance of:

• — 60 mm for tractors with a minimum rear-wheel track width of more than 1 150 mm,

• — 30 mm for tractors with a minimum rear-wheel track width of 1 150 mm or less.

- 3.4.3. As an alternative to the requirements set out in points 3.4.1 and 3.4.2, vehicles not equipped with an adjustable seat shall be equipped with a steering column and pedal(s) adjustable in the longitudinal and vertical directions over the minimum distances set out in points 3.4.1. to 3.4.2.

Figure 1

Special requirements of the driver’s seat

Image omitted; see official source

3.5.   Seat tests

• 3.5.1. Determination of the suspension characteristics and the range of adjustment to the driver’s mass.

• 3.5.1.1. The suspension characteristics are determined by a static test. The range of adjustment to the driver’s mass is calculated from the suspension characteristics. These calculations are not necessary in the case of seats that cannot be manually adjusted to the driver’s mass.

• 3.5.1.2. The seat is mounted on a test stand or on a tractor and a load applied to it, either directly or by means of a special device; this load must not differ by more than 5 N from the nominal load. The measuring error for the suspension travel shall not exceed ± 1 mm. The load must be applied in accordance with the procedure laid down in the Appendix 8.

• 3.5.1.3. A complete characteristic curve representing the deflection of the suspension system must be plotted from zero load to maximum load, and back to zero. The load graduations at which the suspension travel is measured must not exceed 100 N; at least eight measurement points must be plotted at approximately equal intervals in the suspension travel. The point taken as the maximum load should be either that at which no further suspension travel can be measured, or a load of 1 500 N. After each application or removal of the load, the suspension travel must be measured 200 mm in front of the Seat Reference Point (S) in the median longitudinal plane of the seat surface. After application or removal of the load, the seat must be allowed to return to its at-rest position.

• 3.5.1.4. In the case of seats with a mass adjustment scale, the characteristic curves representing the deflection of the suspension system are plotted at mass adjustments for drivers having a mass of 50 and 120 kg. In the case of seats without a mass adjustment scale and with adjustment stops, measurements are taken at the lowest and the highest mass adjustment. In the case of seats without a mass adjustment scale or adjustment stops, the adjustment must be so selected that:

• 3.5.1.4.1. for the lower mass adjustment limit, the seat just returns to the top of the suspension travel when the load is removed, and

• 3.5.1.4.2. for the upper mass adjustment limit, the load of 1 500 N depresses the seat to the lowest limit of the suspension travel.

• 3.5.1.5. The mean position of the suspension system is the position which the seat assumes when it is depressed by half the full travel of the suspension system.

• 3.5.1.6. Since the characteristic curves of the suspension system are generally hysteresis loops, the load must be determined by drawing a centre line through the loop (see definition of point 1.6. and sections A and B of Appendix 1).

• 3.5.1.7. To determine the limits of the adjustment range as a function of the driver’s mass, the vertical forces determined in accordance with point 3.5.1.6 for points A and B (see Appendix 1) must be multiplied by the scale factor 0,13 kg/N.

• 3.5.2. Determination of lateral stability

• 3.5.2.1. The seat must be set for the upper limit of the weight adjustment and connected to the test stand or to the tractor in such a way that its base plate rests on a rigid plate (test stand) not smaller than the base plate itself.

• 3.5.2.2. A test load of 1 000 N is applied to the surface or cushion of the seat. The point of application must lie 200 mm in front of the Seat Reference Point (S) and alternately on the two sides 150 mm from the plane of symmetry through the seat.

• 3.5.2.3. During application of the load, the variation in the lateral angle of inclination of the seat surface is measured in the end settings for horizontal and vertical seat adjustment. The permanent deformation close to the point of application of the load is not to be taken into consideration.

• 3.5.3. Determination of the vertical vibration characteristics

The seat vibration is determined by tests on a test stand and/or a standard roadway depending on whether the seat is intended for a class (or classes) of Category A tractor or for a Category B tractor.

3.5.3.1.   Testing on the test stand

• 3.5.3.1.1. The test stand must simulate the vertical vibrations at the point of attachment of the driver’s seat. The vibrations are generated by means of an electro-hydraulic device. The set values to be used are either those specified in Appendices 3, 4a and 4b for the class of tractor in question or the double-integrated acceleration signals recorded at the seat attachment of a Category B tractor moving at a speed of 12 ± 0,5 km/h on a standard roadway as defined in point 3.5.3.2.1. To generate the vibrations, an uninterrupted double run of the set values must be used.

The transition from the end of the sequence of acceleration signals recorded on the standard roadway in the first run to the start of the second run must be smooth and jolt-free. The measurements must not be made during the first run of the set values or of the acceleration signals. More values than the 700 laid down in Appendices 3 and 4a and 4b may be used if these values were calculated, for example, with a cubic Spline function from the original 700 values.

• 3.5.3.1.2. Besides an attachment for the test seat, the platform must contain a steering wheel and footrest. Its configuration must be as shown in Appendix 5.

• 3.5.3.1.3. The test stand must have a high degree of flexural and torsional rigidity and its bearings and guides must have no more than the technically necessary clearance. If the platform is carried on an oscillating arm, the dimension R must be not less than 2 000 mm (see Appendix 5). The magnitude of the vibration ratio at frequencies between 0,5 and 5,0 Hz shall be within the range 1,00 ± 0,05, measured at intervals not exceeding 0,5 Hz. The phase shift shall not vary by more than 20° throughout the same frequency range.

3.5.3.2.   Testing on a standard roadway

• 3.5.3.2.1. The roadway consists of two parallel strips spaced according to the wheel track of the tractor. Both strips must be made of a rigid material, such as wood or concrete, and be formed either of blocks set in a base structure or of a continuous smooth surface. The longitudinal profile of each track strip is defined by the ordinates of elevation in relation to a base level; these ordinates are shown in the tables in Appendix 2. With regard to the roadway, the elevation is defined at intervals of 16 cm along each strip.

The roadway must be firmly set in the ground and the distance between the strips must deviate only slightly over its entire length; the tractor’s wheels must be fully supported at all times. Where the strips are formed of blocks, these must be 6 to 8 cm thick, with a distance of 16 cm between the centres of the blocks. The length of the standard roadway shall be 100 m.

The measurements must begin as soon as the axis of the rear axle of the tractor is perpendicular to point D = 0 on the roadway, and end as soon as the axis of the front axle of the tractor is perpendicular to point D = 100 of the test roadway (see the table in Appendix 2).

• 3.5.3.2.2. Measurements shall be taken at a speed of 12 ± 0,5 km/h.

The prescribed speed must be maintained without the use of brakes. The vibrations must be measured on the seat and at the point where the seat is attached to the tractor, with a light and a heavy driver.

The speed of 12 km/h must be reached after a run-up track has been traversed. The surface of this run-up track must be flat and must join the standard roadway without any change in level.

• 3.5.3.2.3. The seat must be set for the driver’s mass in accordance with the manufacturer’s instructions

• 3.5.3.2.4. The tractor must be fitted with a protective frame and/or cab unless of a type for which this equipment is not required. It must not carry any ancillary equipment. Moreover, there must be no ballast on the wheels or framework, and no fluid in the tyres.

• 3.5.3.2.5. The tyres used during the test must have the standard dimensions and ply-rating, as specified in the manufacturer’s instructions. The depth of the tread must not be less than 65 % of the depth of a new tread.

• 3.5.3.2.6. The side-walls of the tyres must not be damaged. The pressure of the tyre must correspond to the arithmetical mean of the reference pressures recommended by the tyre manufacturer. The wheel track must correspond to that used under normal working conditions for the tractor model on which the seat is fitted.

• 3.5.3.2.7. The measurements at the point of seat attachment and on the seat itself shall be made during the same run.

For measuring and recording the vibrations, an accelerometer, a measuring amplifier and a magnetic tape recorder, electronic system for data acquisition or direct-reading vibration meter shall be used. The specifications laid down in points 3.5.3.3.2 to 3.5.3.3.6 shall apply to those instruments.

3.5.3.3.   Specifications for tests on roadway and test stand

3.5.3.3.1.   Driver’s mass

The tests must be carried out with two drivers: one with a total mass of 59 ± 1 kg, of which not more than 5 kg may be carried in a weighting belt around the body; the other with a mass of 98 ± 5 kg with a maximum mass of 8 kg in the weighting belt.

3.5.3.3.2.   Position of the accelerometer

To measure the vibrations transmitted to the driver, an accelerometer is fixed on a flat plate with a diameter of 250 ± 50 mm, the central part of which must be rigid up to a diameter of 75 mm and must include a rigid device to protect the accelerometer. This plate must be placed in the middle of the seat surface between the seat and the driver and have a non-slip surface.

To measure the vibrations at the seat attachment, an accelerometer must be fixed near to this attachment at a point not more than 100 mm from the median longitudinal plane of the tractor and not outside the vertical projection of the seat surface on the tractor.

3.5.3.3.3.   Measurement of vibration acceleration

The accelerometer and the associated amplifying and transmitting equipment must respond to vibrations with an r.m.s. value of 0,05 m/s², and be capable of measuring vibrations with an r.m.s. value of 5 m/s² and a crest factor (ratio of peak to r.m.s. value) of 3 without distortion and with a maximum error of ± 2,5 % over the range 1 to 80 Hz.

3.5.3.3.4.   Magnetic tape recorder or electronic data acquisition system

If a tape recorder or electronic system for data acquisition is used, it must have a maximum reproduction error of ± 3,5 % in a frequency range of 1 to 80 Hz, including change of tape speed during replay for analysis.

3.5.3.3.5.   Vibration meter

• 3.5.3.3.5.1.Vibrations of more than 10 Hz may be disregarded. It is therefore permissible to connect upstream of the measuring instrument a low-pass filter with a cut-out frequency of about 10 Hz and an attenuation of 12 dB per octave.

• 3.5.3.3.5.2.This instrument must incorporate an electronic weighting filter between the sensor and the integrator device. The filter must correspond to the curve shown in Appendix 6 and the margin of error must be ± 0,5 dB in the 2 to 4 Hz frequency band and ± 2 dB for the other frequencies.

• 3.5.3.3.5.3.The electronic measuring device must be capable of indicating either:

• — the integral (I) of the square of the weighted vibration acceleration (aw) for a test time Image omitted; see official source

• — or the square root of that integral

• — or directly the r.m.s. value of the weighted vibration acceleration Image omitted; see official source

• The inaccuracy of the entire system for measuring the rms value of the acceleration must not exceed ± 5 % of the measured value.

3.5.3.3.6.   Calibration

All instruments must be regularly calibrated.

3.5.3.3.7.   Evaluation of vibration tests

• 3.5.3.3.7.1.During each test, the weighted vibration acceleration for the whole test time must be determined with the vibration meter specified in point 3.5.3.3.5.

• 3.5.3.3.7.2.The test report must give the arithmetic mean value of the rms values of the weighted seat vibration acceleration (awS) for both the light driver and the heavy driver. The test report must also give the ratio of the arithmetic mean of the rms values of the weighted vibration acceleration measured on the seat (awS) to the arithmetic mean of the rms values of the weighted vibration acceleration measured at the seat attachment (awB). This ratio shall be given to two decimal places.

• 3.5.3.3.7.3.The ambient temperature during the vibration test must be measured and shown in the report.

• 3.5.4. Vibration test for tractor seats in accordance with their intended use

• 3.5.4.1. A seat intended for use on a class (or classes) of Category A tractors must be tested on a vibration stand using the appropriate set value signals.

• 3.5.4.2. A seat intended for use on a type of Category B tractor must be tested on a standard roadway with a tractor of that type. However, a simulation test may also be carried out using a set value signal corresponding to the acceleration curve which was determined during the standard roadway test with the type of tractor for which the seat is intended.

• 3.5.4.3. A seat intended for use only on a particular type of Category A tractor may also be tested in accordance with the requirements of 3.5.4.2. In this case, component type-approval will be granted only for the type of tractor for which the test seat is intended.

• 3.5.5. Procedure used for determining the weighted vibration acceleration of seats intended for Category A tractors

• 3.5.5.1. The test on the vibration test stand shall be carried out in accordance with point 3.5.3.1. the value awB actually occurring at the seat attachment during measurement must be determined. In the case of deviations from the reference value:

a*wB =	2,05 m/s2 for class I, category A tractors.
a*wB =	1,5 m/s2 for class II, category A tractors.
a*wB =	1,3 m/s2 for class III, category A tractors.

The acceleration awS measured at the driver’s seat must be corrected in accordance with the following equation:

Image omitted; see official source

• 3.5.5.2. For each of the two drivers provided for in point 3.5.3.3.1, the weighted acceleration of the vibratory movement shall be measured at the seat for 28 seconds in the case of classes I and III, and for 31 seconds in the case of class II. The measurement must begin at the set value signal corresponding to t = 0 seconds and end at the set value signal corresponding to t = 28 or 31 seconds (see table in Appendices 3, 4a and 4b). At least two test runs must be carried out. The measured values must not deviate from the arithmetical mean by more than ± 5 %. Each complete set point sequence must be reproduced in 28 or 31 ± 0,5 s.

• 3.5.6. Procedure used for determining the weighted vibration acceleration of seats intended for Category B tractors

• 3.5.6.1. In accordance with the requirements of points 3.5.4.2, the seat vibration tests are not applicable to a class of tractors, but only to each tractor type for which the seat is intended.

• 3.5.6.2. The standard roadway test must be carried out in accordance with the requirements of points 3.5.3.2 and 3.5.3.3. The vibration acceleration measured on the driver’s seat (awS) need not be corrected. At least two test runs must be carried out on the standard roadway. The measured values must not deviate from the arithmetic mean by more than ± 10 %.

• 3.5.6.3. If a bench test is conducted, it must be carried out in association with a standard roadway test pursuant to the requirements of points 3.5.3.1 and 3.5.3.3.

• 3.5.6.4. The vibration test stand shall be adjusted in such a way that the rms value of the weighted vibration acceleration recorded at the seat attachment (awB) deviates by less than ± 5 % from the rms value of the weighted vibration acceleration at the seat attachment recorded on the standard roadway (a*wF).

In the event of deviations from the value (awF*) measured at the seat attachment during the test run, the weighted vibration acceleration recorded at the driver’s seat during the test on the test stand must be corrected as follows:

Image omitted; see official source

Each of the tests on the test stand must be carried out twice. The measured values must not deviate from the arithmetic mean by more than ± 5 %.

• 3.5.7. Test for determining the damping characteristics in the resonance range

• 3.5.7.1. This test is carried out on the test stand as specified in point 3.5.3.1. However, account must be taken of the following:

• 3.5.7.2. Instead of the set values specified in the second paragraph of point 3.5.3.1.1 (see Appendices 3, 4a and 4b), sinusoidal oscillations of ± 15 mm amplitude with a frequency of 0,5 to 2 Hz are generated. The frequency range is to be run through with a constant rate of frequency change in not less than 60 seconds or at intervals no greater than 0,05 Hz with increasing frequency, and in an identical manner with decreasing frequency. During this measurement, it is permissible to filter the signals emitted by the accelerometers through a bandpass filter with cut-off frequencies of 0,5 and 2,0 Hz.

• 3.5.7.3. The seat is to be loaded with a ballast of 40 kg in the first test and with a mass of 80 kg in the second test; the ballast is to be applied on the device illustrated in Figure 1 of Appendix 8, with the same line of action of the force as when determining the Seat Reference Point (S).

• 3.5.7.4. The ratio of the rms values of the vibration acceleration on the seat surface awS to those at the seat attachment awB:

Image omitted; see official source

is to be determined in the frequency range from 0,5 to 2,0 Hz at intervals no greater than 0,05 Hz.

- 3.5.7.5. The ratio measured must be given in the test report to two decimal places.

To be granted EU component type-approval, a seat shall, in addition to fulfilling the requirements set out in sections 2 and 3, satisfy the following conditions:

• (a) the range of adjustment as a function of the driver's mass extends from at least 50 to 120 kg;

• (b) the change in the angle of inclination measured during the lateral stability test does not exceed 5^o;

• (c) neither of the two values set in point 3.5.3.3.7.2 exceed 1,25 m/s²;

- (d) the ratio referred to in points 3.5.7.4 and 3.5.7.5 does not exceed the value of 2.

Appendix 1

Determination of the characteristics curves of the suspension system and the load adjustment range (point 3.5.1)

Image omitted; see official source

Appendix 2

Test on standard roadway

Table of elevation ordinates in relation to a basic level defining the surface of each strip of the roadway (point 3.5.3.2.1)

D	=	distance from the beginning of the standard roadway (in metres)
---	---	---
L	=	ordinate of the left-hand strip (mm)
---	---	---
R	=	ordinate of the right-hand strip (mm)

| D | L | R |

| --- | --- | --- | | 0 | 115 | 140 | | 0·16 | 110 | 125 | | 0·32 | 110 | 140 | | 0·48 | 115 | 135 | | 0·64 | 120 | 135 | | 0·80 | 120 | 125 | | 0·96 | 125 | 135 | | 1·12 | 120 | 125 | | 1·28 | 120 | 115 | | 1·44 | 115 | 110 | | 1·60 | 110 | 100 | | 1·76 | 110 | 110 | | 1·92 | 110 | 110 | | 2·08 | 115 | 115 | | 2·24 | 110 | 110 | | 2·40 | 100 | 110 | | 2·56 | 100 | 100 | | 2·72 | 95 | 110 | | 2·88 | 95 | 95 | | 3·04 | 90 | 95 | | 3·20 | 90 | 100 | | 3·36 | 85 | 100 | | 3·52 | 90 | 100 | | 3·68 | 90 | 115 | | 3·84 | 95 | 110 | | 4·00 | 90 | 110 | | 4·16 | 90 | 95 | | 4·32 | 95 | 100 | | 4·48 | 100 | 100 | | 4·64 | 100 | 90 | | 4·90 | 90 | 90 | | 4·96 | 90 | 90 | | 5·12 | 95 | 90 | | 5·28 | 95 | 70 | | 5·44 | 95 | 65 | | 5·60 | 90 | 50 | | 5·76 | 95 | 50 | | 5·92 | 85 | 50 | | 6·08 | 85 | 55 | | 6·24 | 75 | 55 | | 6·40 | 75 | 55 | | 6·56 | 70 | 65 | | 6·72 | 75 | 75 | | 6·88 | 65 | 75 | | 7·04 | 65 | 85 | | 7·20 | 65 | 90 | | 7·36 | 75 | 95 | | 7·52 | 75 | 100 | | 7·68 | 95 | 95 | | 7·84 | 115 | 110 | | 8·00 | 115 | 100 | | 8·16 | 125 | 110 | | 8·32 | 110 | 100 | | 8·48 | 110 | 100 | | 8·64 | 110 | 95 | | 8·80 | 110 | 95 | | 8·96 | 110 | 95 | | 9·12 | 110 | 100 | | 9·28 | 125 | 90 | | 9·44 | 120 | 100 | | 9·60 | 135 | 95 | | 9·76 | 120 | 95 | | 9·92 | 120 | 95 | | 10·08 | 120 | 95 | | 10·24 | 115 | 85 | | 10·40 | 115 | 90 | | 10·56 | 115 | 85 | | 10·72 | 115 | 90 | | 10·88 | 120 | 90 | | 11·04 | 110 | 75 | | 11·20 | 110 | 75 | | 11·36 | 100 | 85 | | 11·52 | 110 | 85 | | 11·68 | 95 | 90 | | 11·84 | 95 | 90 | | 12·00 | 95 | 85 | | 12·16 | 100 | 95 | | 12·32 | 100 | 90 | | 12·48 | 95 | 85 | | 12·64 | 95 | 85 | | 12·80 | 95 | 90 | | 12·96 | 85 | 90 | | 13·12 | 85 | 85 | | 13·28 | 75 | 90 | | 13·44 | 75 | 95 | | 13·60 | 75 | 90 | | 13·76 | 70 | 75 | | 13·92 | 70 | 90 | | 14·08 | 70 | 100 | | 14·24 | 70 | 110 | | 14·40 | 65 | 95 | | 14·56 | 65 | 100 | | 14·72 | 65 | 90 | | 14·88 | 65 | 90 | | 15·04 | 65 | 85 | | 15·20 | 55 | 85 | | 15·36 | 65 | 85 | | 15·52 | 65 | 85 | | 15·68 | 55 | 75 | | 15·84 | 55 | 85 | | 16·00 | 65 | 75 | | 16·16 | 55 | 85 | | 16·32 | 50 | 75 | | 16·48 | 55 | 75 | | 16·64 | 65 | 75 | | 16·80 | 65 | 75 | | 16·96 | 65 | 85 | | 17·12 | 65 | 70 | | 17·28 | 65 | 65 | | 17·44 | 65 | 75 | | 17·60 | 65 | 75 | | 17·76 | 50 | 75 | | 17·92 | 55 | 85 | | 18·08 | 55 | 85 | | 18·24 | 65 | 85 | | 18·40 | 70 | 75 | | 18·56 | 75 | 75 | | 18·72 | 95 | 75 | | 18·88 | 90 | 75 | | 19·04 | 90 | 70 | | 19·20 | 95 | 70 | | 19·36 | 85 | 70 | | 19·52 | 85 | 75 | | 19·68 | 75 | 85 | | 19·84 | 85 | 85 | | 20·00 | 75 | 90 | | 20·16 | 85 | 85 | | 20·32 | 75 | 70 | | 20·48 | 70 | 75 | | 20·64 | 65 | 75 | | 20·80 | 70 | 75 | | 20·96 | 65 | 75 | | 21·12 | 70 | 75 | | 21·28 | 70 | 85 | | 21·44 | 70 | 85 | | 21·60 | 70 | 90 | | 21·76 | 75 | 95 | | 21·92 | 75 | 95 | | 22·08 | 75 | 90 | | 22·24 | 85 | 90 | | 22·40 | 85 | 95 | | 22·58 | 90 | 85 | | 22·72 | 90 | 85 | | 22·88 | 95 | 85 | | 23·04 | 95 | 85 | | 23·20 | 100 | 85 | | 23·36 | 100 | 75 | | 23·52 | 110 | 85 | | 23·68 | 110 | 85 | | 23·84 | 110 | 85 | | 24·00 | 100 | 75 | | 24·16 | 100 | 75 | | 24·32 | 95 | 70 | | 24·48 | 100 | 70 | | 24·64 | 100 | 70 | | 24·80 | 115 | 75 | | 24·96 | 110 | 75 | | 25·12 | 110 | 85 | | 25·28 | 100 | 75 | | 25·44 | 110 | 95 | | 25·60 | 100 | 95 | | 25·76 | 115 | 100 | | 25·92 | 115 | 100 | | 26·08 | 110 | 95 | | 26·24 | 115 | 95 | | 26·40 | 110 | 95 | | 26·56 | 100 | 95 | | 26·72 | 100 | 95 | | 26·88 | 100 | 100 | | 27·04 | 100 | 95 | | 27·20 | 100 | 95 | | 27·36 | 110 | 90 | | 27·52 | 115 | 90 | | 27·68 | 115 | 85 | | 27·84 | 110 | 90 | | 28·00 | 110 | 85 | | 28·16 | 110 | 85 | | 28·32 | 100 | 85 | | 28·48 | 100 | 90 | | 28·64 | 90 | 85 | | 28·80 | 90 | 75 | | 28·96 | 75 | 90 | | 29·12 | 75 | 75 | | 29·28 | 75 | 75 | | 29·44 | 70 | 75 | | 29·60 | 75 | 75 | | 29·76 | 75 | 85 | | 29·92 | 85 | 75 | | 30·08 | 75 | 75 | | 30·24 | 85 | 75 | | 30·40 | 75 | 75 | | 30·56 | 70 | 75 | | 30·72 | 75 | 75 | | 30·88 | 85 | 75 | | 31·04 | 90 | 75 | | 31·20 | 90 | 85 | | 31·36 | 100 | 75 | | 31·52 | 100 | 75 | | 31·68 | 120 | 85 | | 31·84 | 115 | 75 | | 32·00 | 120 | 85 | | 32·16 | 120 | 85 | | 32·32 | 135 | 90 | | 32·48 | 145 | 95 | | 32·64 | 160 | 95 | | 32·80 | 165 | 90 | | 32·96 | 155 | 90 | | 33·12 | 145 | 90 | | 33·28 | 140 | 95 | | 33·44 | 140 | 85 | | 33·60 | 140 | 85 | | 33·76 | 125 | 75 | | 33·92 | 125 | 75 | | 34·08 | 115 | 85 | | 34·24 | 120 | 75 | | 34·40 | 125 | 75 | | 34·56 | 115 | 85 | | 34·72 | 115 | 75 | | 34·88 | 115 | 90 | | 35·04 | 115 | 100 | | 35·20 | 120 | 100 | | 35·36 | 120 | 100 | | 35·52 | 135 | 95 | | 35·68 | 135 | 95 | | 35·84 | 135 | 95 | | 36·00 | 135 | 90 | | 36·16 | 120 | 75 | | 36·32 | 115 | 75 | | 36·48 | 110 | 70 | | 36·64 | 100 | 65 | | 36·80 | 110 | 55 | | 36·96 | 115 | 55 | | 37·12 | 100 | 50 | | 37·28 | 115 | 50 | | 37·44 | 110 | 50 | | 37·60 | 100 | 65 | | 37·76 | 90 | 55 | | 37·92 | 95 | 55 | | 38·08 | 90 | 35 | | 38·24 | 90 | 35 | | 38·40 | 110 | 35 | | 38·56 | 100 | 35 | | 38·72 | 115 | 35 | | 38·88 | 100 | 35 | | 39·04 | 100 | 35 | | 39·20 | 110 | 30 | | 39·36 | 110 | 45 | | 39·52 | 110 | 50 | | 39·68 | 100 | 55 | | 39·84 | 110 | 50 | | 40·00 | 90 | 55 | | 40·16 | 85 | 55 | | 40·32 | 90 | 65 | | 40·48 | 90 | 65 | | 40·64 | 90 | 70 | | 40·80 | 95 | 75 | | 40·96 | 95 | 75 | | 41·12 | 95 | 75 | | 41·28 | 90 | 90 | | 41·44 | 90 | 95 | | 41·60 | 85 | 95 | | 41·76 | 85 | 100 | | 41·92 | 90 | 100 | | 42·08 | 90 | 95 | | 42·24 | 85 | 100 | | 42·40 | 85 | 110 | | 42·56 | 95 | 110 | | 42·72 | 95 | 115 | | 42·88 | 95 | 115 | | 43·04 | 100 | 100 | | 43·20 | 100 | 95 | | 43·36 | 100 | 95 | | 43·52 | 100 | 90 | | 43·68 | 110 | 95 | | 43·84 | 100 | 100 | | 44·00 | 110 | 90 | | 44·16 | 100 | 85 | | 44·32 | 110 | 90 | | 44·48 | 110 | 85 | | 44·64 | 100 | 85 | | 44·80 | 100 | 90 | | 44·96 | 95 | 90 | | 45·12 | 90 | 95 | | 45·28 | 90 | 100 | | 45·44 | 95 | 100 | | 45·60 | 90 | 90 | | 45·76 | 85 | 90 | | 45·92 | 75 | 90 | | 46·08 | 85 | 90 | | 46·24 | 75 | 90 | | 46·40 | 75 | 90 | | 46·54 | 75 | 90 | | 46·72 | 85 | 90 | | 46·88 | 85 | 85 | | 47·04 | 90 | 85 | | 47·20 | 75 | 85 | | 47·36 | 65 | 75 | | 47·52 | 70 | 70 | | 47·68 | 70 | 75 | | 47·84 | 70 | 75 | | 48·00 | 75 | 85 | | 48·16 | 90 | 95 | | 48·32 | 95 | 95 | | 48·48 | 100 | 120 | | 48·64 | 110 | 100 | | 48·30 | 115 | 100 | | 48·96 | 115 | 115 | | 49·12 | 120 | 115 | | 49·28 | 120 | 110 | | 49·44 | 115 | 95 | | 49·60 | 115 | 90 | | 49·76 | 115 | 90 | | 49·92 | 110 | 95 | | 50·08 | 110 | 100 | | 50·24 | 100 | 110 | | 50·40 | 100 | 120 | | 50·56 | 95 | 120 | | 50·72 | 95 | 115 | | 50·88 | 95 | 120 | | 51·04 | 95 | 120 | | 51·20 | 90 | 135 | | 51·36 | 95 | 125 | | 51·52 | 95 | 120 | | 51·68 | 100 | 120 | | 51·84 | 100 | 120 | | 52·00 | 100 | 120 | | 52·16 | 100 | 125 | | 52·32 | 110 | 125 | | 52·48 | 110 | 125 | | 52·64 | 100 | 125 | | 52·80 | 100 | 120 | | 52·96 | 100 | 120 | | 53·12 | 110 | 115 | | 53·28 | 100 | 110 | | 53·44 | 110 | 110 | | 53·60 | 95 | 110 | | 53·76 | 95 | 110 | | 53·92 | 100 | 110 | | 54·08 | 95 | 100 | | 54·24 | 100 | 100 | | 54·40 | 100 | 100 | | 54·56 | 100 | 100 | | 54·72 | 95 | 100 | | 54·88 | 100 | 100 | | 55·04 | 100 | 115 | | 55·20 | 110 | 115 | | 55·36 | 100 | 110 | | 55·52 | 110 | 100 | | 55·68 | 100 | 110 | | 55·84 | 100 | 110 | | 56·00 | 100 | 110 | | 56·16 | 95 | 115 | | 56·32 | 90 | 110 | | 56·48 | 95 | 110 | | 56·64 | 95 | 110 | | 56·80 | 90 | 100 | | 56·96 | 100 | 100 | | 57·12 | 100 | 95 | | 57·28 | 95 | 100 | | 57·44 | 100 | 100 | | 57·60 | 95 | 115 | | 57·76 | 85 | 110 | | 57·92 | 90 | 115 | | 58·08 | 90 | 110 | | 58·24 | 90 | 100 | | 58·40 | 85 | 95 | | 58·56 | 90 | 95 | | 58·72 | 85 | 90 | | 58·88 | 90 | 90 | | 59·04 | 90 | 95 | | 59·20 | 90 | 115 | | 59·36 | 90 | 115 | | 59·52 | 90 | 115 | | 59·68 | 85 | 110 | | 59·84 | 75 | 110 | | 60·00 | 90 | 115 | | 60·16 | 90 | 120 | | 60·32 | 90 | 120 | | 60·48 | 90 | 120 | | 60·64 | 95 | 120 | | 60·80 | 95 | 120 | | 60·96 | 90 | 120 | | 61·12 | 90 | 115 | | 61·28 | 95 | 110 | | 61·44 | 95 | 110 | | 61·60 | 100 | 100 | | 61·76 | 110 | 100 | | 61·92 | 100 | 100 | | 62·08 | 100 | 100 | | 62·24 | 95 | 100 | | 62·40 | 95 | 100 | | 62·56 | 95 | 100 | | 62·72 | 90 | 100 | | 62·88 | 90 | 100 | | 63·04 | 90 | 100 | | 63·20 | 90 | 90 | | 63·36 | 90 | 90 | | 63·52 | 85 | 90 | | 63·68 | 85 | 90 | | 63·84 | 75 | 85 | | 64·00 | 75 | 85 | | 64·16 | 75 | 75 | | 64·32 | 75 | 75 | | 64·48 | 70 | 75 | | 64·64 | 70 | 70 | | 64·80 | 70 | 55 | | 64·96 | 70 | 45 | | 65·12 | 65 | 55 | | 65·28 | 65 | 55 | | 65·44 | 65 | 65 | | 65·60 | 55 | 70 | | 65·76 | 55 | 75 | | 65·92 | 55 | 75 | | 66·08 | 55 | 75 | | 66·24 | 55 | 85 | | 66·46 | 55 | 85 | | 66·56 | 65 | 90 | | 66·72 | 70 | 90 | | 66·88 | 70 | 110 | | 67·04 | 65 | 100 | | 67·20 | 55 | 100 | | 67·36 | 65 | 100 | | 67·52 | 50 | 100 | | 67·68 | 50 | 85 | | 67·84 | 50 | 90 | | 68·00 | 50 | 100 | | 68·16 | 55 | 100 | | 68·32 | 55 | 95 | | 68·48 | 65 | 90 | | 68·64 | 50 | 85 | | 68·80 | 50 | 70 | | 68·96 | 50 | 70 | | 69·12 | 50 | 65 | | 69·28 | 50 | 55 | | 69·44 | 45 | 50 | | 69·60 | 35 | 50 | | 69·76 | 35 | 55 | | 69·92 | 35 | 65 | | 70·08 | 35 | 65 | | 70·24 | 35 | 65 | | 70·40 | 35 | 55 | | 70·58 | 45 | 55 | | 70·72 | 50 | 55 | | 70·88 | 50 | 50 | | 71·04 | 50 | 45 | | 71·20 | 50 | 45 | | 71·36 | 50 | 50 | | 71·52 | 45 | 45 | | 71·68 | 45 | 55 | | 71·84 | 55 | 65 | | 72·00 | 55 | 65 | | 72·16 | 70 | 65 | | 72·32 | 70 | 75 | | 72·48 | 75 | 85 | | 72·64 | 75 | 85 | | 72·80 | 75 | 90 | | 72·96 | 85 | 95 | | 73·12 | 90 | 100 | | 73·28 | 90 | 110 | | 73·44 | 90 | 115 | | 73·60 | 90 | 120 | | 73·76 | 90 | 115 | | 73·92 | 90 | 115 | | 74·08 | 110 | 115 | | 74·24 | 100 | 100 | | 74·40 | 100 | 110 | | 74·56 | 100 | 110 | | 74·72 | 95 | 115 | | 74·88 | 95 | 120 | | 75·04 | 95 | 125 | | 75·20 | 95 | 135 | | 75·36 | 100 | 135 | | 75·52 | 100 | 140 | | 75·68 | 100 | 140 | | 75·84 | 100 | 140 | | 76·00 | 110 | 135 | | 76·16 | 100 | 125 | | 76·32 | 100 | 125 | | 76·48 | 100 | 125 | | 76·64 | 110 | 125 | | 76·80 | 115 | 125 | | 76·96 | 120 | 125 | | 77·12 | 120 | 125 | | 77·28 | 120 | 135 | | 77·44 | 110 | 125 | | 77·60 | 100 | 125 | | 77·76 | 120 | 135 | | 77·92 | 120 | 125 | | 78·03 | 120 | 125 | | 78·24 | 115 | 125 | | 78·40 | 115 | 120 | | 78·56 | 115 | 120 | | 78·72 | 110 | 120 | | 78·88 | 100 | 120 | | 79·04 | 100 | 120 | | 79·20 | 95 | 120 | | 79·36 | 95 | 120 | | 79·52 | 95 | 125 | | 79·68 | 95 | 125 | | 79·84 | 100 | 120 | | 80·00 | 95 | 125 | | 80·16 | 95 | 125 | | 80·32 | 95 | 125 | | 80·48 | 100 | 120 | | 80·64 | 100 | 125 | | 80·80 | 100 | 125 | | 80·96 | 110 | 125 | | 81·12 | 115 | 135 | | 81·28 | 110 | 140 | | 81·44 | 115 | 140 | | 81·60 | 110 | 140 | | 81·76 | 115 | 140 | | 81·92 | 110 | 140 | | 82·08 | 110 | 140 | | 82·24 | 110 | 135 | | 82·40 | 110 | 135 | | 82·56 | 100 | 125 | | 87·72 | 110 | 125 | | 82·88 | 110 | 125 | | 83·04 | 100 | 125 | | 83·20 | 100 | 120 | | 83·36 | 100 | 125 | | 83·52 | 100 | 120 | | 83·68 | 100 | 135 | | 83·84 | 95 | 140 | | 84·00 | 100 | 135 | | 84·16 | 110 | 140 | | 84·32 | 110 | 140 | | 84·48 | 110 | 140 | | 84·64 | 110 | 140 | | 84·80 | 120 | 155 | | 84·96 | 115 | 145 | | 85·12 | 115 | 155 | | 85·28 | 120 | 160 | | 85·44 | 120 | 165 | | 85·60 | 120 | 160 | | 85·76 | 125 | 165 | | 85·92 | 135 | 160 | | 86·08 | 135 | 160 | | 86·24 | 125 | 155 | | 86·40 | 125 | 155 | | 86·56 | 120 | 145 | | 86·72 | 120 | 145 | | 86·98 | 110 | 140 | | 87·04 | 110 | 140 | | 87·20 | 110 | 140 | | 87·36 | 110 | 140 | | 87·52 | 110 | 140 | | 87·68 | 100 | 135 | | 87·84 | 100 | 135 | | 88·00 | 100 | 135 | | 88·16 | 100 | 125 | | 88·32 | 110 | 120 | | 88·48 | 115 | 120 | | 88·64 | 110 | 120 | | 88·80 | 110 | 125 | | 88·96 | 100 | 125 | | 89·12 | 100 | 125 | | 89·28 | 95 | 125 | | 89·44 | 95 | 125 | | 89·60 | 100 | 120 | | 89·76 | 100 | 135 | | 89·92 | 110 | 140 | | 90·08 | 110 | 135 | | 90·24 | 110 | 140 | | 90·40 | 100 | 145 | | 90·56 | 100 | 155 | | 90·72 | 110 | 155 | | 90·88 | 110 | 155 | | 91·04 | 100 | 155 | | 91·20 | 110 | 155 | | 91·36 | 110 | 160 | | 91·52 | 115 | 160 | | 91·68 | 110 | 155 | | 91·84 | 115 | 155 | | 92·00 | 115 | 140 | | 92·16 | 115 | 155 | | 92·32 | 120 | 155 | | 92·48 | 125 | 145 | | 92·64 | 125 | 155 | | 92·80 | 125 | 155 | | 92·96 | 120 | 155 | | 93·12 | 120 | 145 | | 93·28 | 120 | 145 | | 93·44 | 115 | 145 | | 93·60 | 120 | 145 | | 93·76 | 115 | 140 | | 93·92 | 115 | 140 | | 94·08 | 115 | 140 | | 94·24 | 115 | 140 | | 94·40 | 115 | 140 | | 94·56 | 115 | 140 | | 94·72 | 115 | 135 | | 94·88 | 115 | 135 | | 95·04 | 110 | 135 | | 95·20 | 110 | 135 | | 95·36 | 110 | 135 | | 95·52 | 115 | 135 | | 95·68 | 100 | 140 | | 95·84 | 95 | 135 | | 96·00 | 100 | 125 | | 96·16 | 95 | 125 | | 96·32 | 95 | 125 | | 96·48 | 95 | 125 | | 96·64 | 110 | 125 | | 96·80 | 95 | 120 | | 96·96 | 95 | 120 | | 97·12 | 95 | 120 | | 97·28 | 95 | 110 | | 97·44 | 100 | 115 | | 97·60 | 110 | 120 | | 97·76 | 110 | 115 | | 97·92 | 100 | 115 | | 98·08 | 95 | 115 | | 98·24 | 100 | 115 | | 98·40 | 95 | 115 | | 98·52 | 100 | 115 | | 98·72 | 100 | 110 | | 98·88 | 110 | 100 | | 99·04 | 95 | 95 | | 99·20 | 90 | 100 | | 99·36 | 90 | 100 | | 93·52 | 75 | 110 | | 99·68 | 75 | 115 | | 99·84 | 75 | 115 | | 100·00 | 75 | 110 |

Appendix 3

Set-value signals for the test-stand inspection of the driver’s seat on Category A (Class I) tractors (point 3.5.3.1.1)

PS	=	set point
---	---	---
a	=	amplitude of the required value signal in 10–4 m,
---	---	---
t	=	measurement time in seconds

When the sequence of signals is repeated in the table for 701 points, points 700 and 0 coincide in time at an amplitude of a = 0:

| PS No | a 10^–4 m | t s |