1975L0322 — EN — 30.10.1997 — 002.001 — 1
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►B COUNCIL DIRECTIVE
of 20May 1975
on the approximation of the laws of the Member States relating to the suppression of radio
interference produced by spark-ignition engines fitted to wheeled agricultural or forestry tractors
(75/322/EEC)
(OJ L 147, 9.6.1975, p. 28)
Amended by:
Official Journal
No page date
►M1Council Directive 82/890/EEC of17 December 1982 L 378 45 31.12.1982
►M2Directive 97/54/EC ofthe European Parliament and ofthe Council of23
September 1997 L 277 24 10.10.1997
Corrected by:
►C1Corrigendum, OJ L 226, 18.8.1976, p. 16 (75/322/EEC)
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COUNCIL DIRECTIVE
of 20May 1975
on the approximation of the laws of the Member States relating to
the suppression of radio interference produced by spark-ignition
engines fitted to wheeled agricultural or forestry tractors
(75/322/EEC)
THE COUNCIL OF THE EUROPEAN COMMUNITIES,
Having regard to the Treaty establishing the European Economic
Community, and in particular Article 100 thereof;
Having regard to the proposal from the Commission;Having regard to the Opinion ofthe European Parliament (
1);
Having regard to the Opinion ofthe Economic and Social Committee (2);
Whereas the technical requirements with which tractors must comply
pursuant to national laws relate, inter alia , to the suppression ofradio
interference;
Whereas these requirements differ from one Member State to another;
whereas it is therefore necessary that all Member States adopt the samerequirements either in addition to or in place oftheir existing rules, inparticular to allow the EEC type approval procedure which was thesubject ofCouncil Directive 74/150/EEC (
3) of4 March 1974 on the
approximation ofthe laws ofthe Member States relating to the type
approval ofwheeled agricultural or f orestry tractors to be applied inrespect ofeach type oftractor,
HAS ADOPTED THIS DIRECTIVE:
Article 1
1. ‘Agricultural or forestry tractor’ means any motor vehicle fitted
with wheels or ►C1endless tracks ◄and having at least two axles,
the main function of which lies in its tractive power and which is
specially designed to tow, push, carry or power certain tools, machineryor trailers intended for agricultural or forestry use. It may be equipped tocarry a load and passengers.
2. This Directive shall apply only to tractors defined in paragraph 1
which are equipped with pneumatic tyres and have at least two axles anda maximum design speed ofbetween 6 and ►
M240 km/h ◄.
Article 2
No Member State may refuse to grant EEC type approval or national
type approval ofa tractor on grounds relating to the radio interf erenceproduced by the spark-ignition system ofits propulsion engine ifsuchtractors are fitted with interference suppression equipment meeting therequirements ofthe Annexes.
Article 3
No Member State may refuse the registration or prohibit the sale, entry
into service or use ofa tractor on grounds relating to the radiointerference produced by the spark-ignition system of its propulsionengine if such tractors are fitted with interference suppression equipmentmeeting the requirements ofthe Annexes.1975L0322 — EN — 30.10.1997 — 002.001 — 2
(1) OJ No C 160, 18. 12. 1969, p. 29.
(2) OJ No C 48, 16. 4. 1969, p. 21.
(3) OJ No L 84, 28. 3. 1974, p. 10.▼M1
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Article 4
A Member State which has granted type approval shall take the
necessary measures to be informed of any modification of a part or
characteristic referred to in 2.2 — Annex I. The competent authorities of
that State shall determine whether fresh tests should be carried out onthe modified type of the tractor and a fresh report drawn up. Where suchtests reveal failure to comply with the requirements of this Directive, themodification shall not be approved.
Article 5
The amendments necessary for adapting the requirements of the
Annexes to technical progress shall be adopted in accordance with theprocedure laid down in Article 13 ofDirective 74/150/EEC.
Article 6
1. Member States shall bring into force the provisions necessary in
order to comply with this Directive within 18 months ofits notif ication
and shall forthwith inform the Commission thereof.
2. Member States shall ensure that the texts ofthe main provisions of
national law which they adopt in the field covered by this Directive arecommunicated to the Commission.
Article 7
This Directive is addressed to the Member States.1975L0322 — EN — 30.10.1997 — 002.001 — 3
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ANNEX I (1)
DEFINITIONS, APPLICATION FOR EEC TYPE APPROVAL, MARK-
INGS, EEC TYPE APPROVAL, SPECIFICATIONS, TESTS,
CONFORMITY OF PRODUCTION
(1.)
2. DEFINITIONS
For the purposes ofthis Directive,
(2.1.)
2.2. ‘Tractor type as regards radio interference suppression’ means tractors
which do not differ in such essential respects as:
2.2.1. The shapes and constituent materials ofthe part ofthe body f orming the
engine compartment and the part ofthe passenger compartment nearest
to it.
2.2.2. The type ofengine (whether two- or f our-stroke, number and capacity of
cylinders, number ofcarburettors, arrangement ofvalves, maximum
power and corresponding r.p.m.).
2.2.3 The position or model ofthe ignition circuit components (coil,
distributor, sparking plugs, screening, etc.).
2.2.4. The position ofmetal components housed in the engine compartment
(e.g. heating appliances, spare wheel, air filter, etc.).
2.3. ‘Limitation ofradio interf erence’ means a reduction ofradio
interference in the sound-broadcasting and television frequency bands
to a level such that there is no appreciable interference with the
functioning of receivers not carried on the vehicle itself; this condition is
fulfilled if the level of interference remains below the limits laid down
in 6.2.2 below;
2.4. ‘Radio interference suppression equipment’ means a complete set of
components necessary for limiting radio interference from the ignition
system ofa tractor. Radio interf erence suppression equipment also
includes earthing strips and screening components incorporated
specially for radio interference suppression;
2.5. ‘Suppression equipment of different types’ means sets of equipment
which differ in such essential respects as:
2.5.1. That their components bear different trade names or marks.
2.5.2. That the ‘high-frequency’ characteristics of a component are different or
their components differ in shape or size.
2.5.3. That the operating principles of at least one component are different.
2.5.4. That their components are assembled differently.2.6. ‘Suppression equipment component’ means one ofthe individual
constituent parts ofthe suppression equipment.
3. APPLICATION FOR EEC TYPE APPROVAL
3.1. The application for EEC type approval of a tractor type with regard to
radio interference suppression shall be submitted by the vehicle
manufacturer or by his authorized representative.
3.2. It shall be accompanied by the following documents in triplicate and by
the following particulars:
3.2.1. A description ofthe tractor type with regard to the items mentioned in
2.2 above, accompanied by an exploded view or a photograph ofthe
engine compartment. The numbers and/or symbols identifying the
engine type and the tractor type shall be shown.
3.2.2. A list ofthe components, duly identif ied, constituting the radio
interference suppression equipment.1975L0322 — EN — 30.10.1997 — 002.001 — 4
(1) The text ofthe Annexes corresponds to that ofCouncil Directive 72/245/EEC of20 June
1972 on the approximation ofthe laws ofthe Member States relating to the suppressionof radio interference produced by spark-ignition engines fitted to motor vehicles (OJ No
L 152, 6. 7. 1972, p. 15).
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3.2.3. Detailed drawings ofeach component to enable it to be easily located
and identified.
3.2.4. Particulars ofthe nominal value ofthe direct-current resistances, and, in
the case ofresistive ignition cables, oftheir nominal resistance per
metre.
3.3. In addition, the application for EEC type approval shall be accompanied
by a sample ofthe radio interf erence suppression equipment.
3.4. A vehicle representative ofthe tractor type to be approved shall be
submitted to the technical service responsible for the type approval tests.
4. MARKINGS
4.1. The radio interference suppression equipment components shall bear:4.1.1. The trade name or mark ofthe manuf acturers ofthe equipment and its
components.
4.1.2. The trade description given by the manufacturer.4.2. The markings shall be repeated on the radio interference suppression
cables at intervals ofnot more than twelve centimetres.
4.3. These markings shall be clearly legible and indelible.
5. TYPE APPROVAL
(5.1.)(5.2.)5.3. A form conforming to the model in Annex IV shall be attached to the
EEC type approval certificate.
(5.4.)(5.5.)(5.6.)
6. SPECIFICATIONS6.1.General specifications
The components ofthe radio interf erence suppression equipment shall
be so designed, constructed and fitted as to enable the tractor, in normal
conditions ofuse, to comply with the requirements ofthis Directive.
6.2.Specifications concerning radio interference
6.2.1.Method of measurement
The interfering radiation set up by the tractor type submitted for
approval shall be measured by the method described in Annex II.
6.2.2.Reference limits
6.2.2.1. The radiation limits based on quasi-peak measurements shall be 50 µV/
m in the 40-75 MHz frequency band and 50-120 µ/Vm in the 75-250
MHz frequency band, this limit increasing linearly with frequencies
above 75 MHz.
6.2.2.2. Ifmeasurements are made with peak measuring equipment, the
readings, expressed in µ/Vm, shall be divided by 10.
6.2.3. On the tractor type submitted for approval in respect of radio
interference suppression, the measured values shall be not less than 20
per cent below the reference limits.
7. TESTS
Compliance with the requirements ofsection 6 above shall be checked
in accordance with the method shown in Annex II.
(8.)
9. CONFORMITY OF PRODUCTION
(9.1.)1975L0322 — EN — 30.10.1997 — 002.001 — 5
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9.2. When the conformity of a tractor taken from the series is being verified,
production shall be deemed to conform to the requirements of this
Directive ifthe levels measured do not exceed by more than 25 % the
limits prescribed in 6.2.2.
9.3. Ifat least one ofthe levels measured on the tractor taken f rom the series
exceeds the limits prescribed in 6.2.2. by more than 25 %, the
manufacturer may request that measurements be made on a sample of at
least six tractors taken from the series. The results for each frequency
band shall be interpreted by the statistical method shown in Annex III.
(10.)
(11.)1975L0322 — EN — 30.10.1997 — 002.001 — 6
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ANNEX II
METHOD OF MEASUREMENT OF RADIO INTERFERENCE
PRODUCED BY HIGH-VOLTAGE IGNITION SYSTEMS
1. MEASURING APPARATUS
The measuring equipment shall comply with the requirements of
Publication No 2 (first edition, 1961) of the International Special Committee
on Radio Interference (CISPR) or with the specifications applicable to peak
type measuring apparatus given in CISPR Publication No 5 (first edition,
1967).Note:Where the available equipment does not fully meet all the
CISPR specifications, discrepancies must be clearly stated.
2. EXPRESSION OF RESULTS
The results ofmeasurements must be expressed in µV/m for 120 kHz
bandwidth. For statistical purposes, the logarithmic unit dB ( µV/m) shall be
used. If for certain frequencies the actual bandwidth B (expressed in kHz) of
the measuring apparatus differs slightly from 120 kHz, the readings taken
should be converted to 120 kHz bandwidth through multiplication by a
factor120
B.
3. MEASURING SITE
The measuring site shall be a level area free from appreciable wave-
reflecting surfaces within an ellipse having a major axis of 20 m and a
minor axis of17·3 m. The antenna and the centre ofthe engine must be
located on the major axis ofthe ellipse, the plane ofsymmetry ofthe tractor
being parallel to the minor axis. The antenna and the point ofintersection of
the side ofthe engine nearest to the antenna with the major axis must each
be located at a focal point of the ellipse. The measuring set, or the test hut or
vehicle in which the set is located, may be within the ellipse but
horizontally not closer than 3 m to the antenna, in a direction opposite to the
tractor being measured. Furthermore, the absence ofany extraneous or
signal which could materially affect the measurement must be ensured; a
check is therefore made, with the engine stopped, before and after taking the
measurements, which can be considered satisfactory only if the readings areat least 10 dB above the highest obtained at the pre- and post-measurement
checks.
4. TRACTOR
4.1. Only the ancillary electrical equipment necessary for the running of the
engine shall be operating.
4.2. The engine shall be at its normal operating temperature. During each
measurement, the engine shall be operated as follows:
Number ofcylindersMethod ofmeasurement
Peak Quasi-peak
One Above idling 2 500 r.p.m.
More than one Above idling 1 500 r.p.m.
4.3. Measurements shall not be made while rain is falling on the vehicle or
within 10 minutes after rain has stopped.
5. ANTENNA
5.1.Height
The centre ofthe dipole shall be 3 m above the ground.
5.2.Distance of measurement
The horizontal distance from the antenna to the nearest metal part of the
tractor shall be 10 m.1975L0322 — EN — 30.10.1997 — 002.001 — 7
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5.3.Antenna location relative to tractor
The antenna shall be placed successively on the left- and right-hand sides of
the tractor at two positions ofmeasurement, with the aerial parallel to the
plane ofsymmetry ofthe tractor and in line with the engine. (See Appendix
to this Annex).
5.4.Antenna position
At each ofthe measuring points, readings shall be taken with the dipole in a
horizontal and in a vertical position. (See Appendix to this Annex).
5.5.Readings
The maximum off our readings shall be taken as the characteristic reading at
the frequency at which the measurements were made.
6. FREQUENCIES
Measurements shall be made within the 40 to 250 MHz range. A tractor is
considered as very likely to meet the required suppression limits over the
whole frequency range if it meets them at the following six frequencies: 45,
65, 90, 150, 180 and 220 (± 5 MHz). (The 5 MHz tolerance for the six
frequencies chosen should make it possible to avoid interference from
transmissions operating on the nominal frequencies).1975L0322 — EN — 30.10.1997 — 002.001 — 8
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Appendix
ANTENNA DIRECTION RELATIVE TO TRACTOR
Example
Plan
Dipole antenna in position to measure horizontal component ofthe radiation
Elevation
Dipole antenna in position to measure horizontal component ofthe radiation1975L0322 — EN — 30.10.1997 — 002.001 — 9
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ANNEX III
STATISTICAL METHOD OF CHECKING RADIO INTERFERENCE
SUPPRESSION
In order to ensure with an 80 % probability that 80 % ofthe vehicles conf orm to a
specified limit L, the following condition must be satisfied:
/C22xxþkSn/C20L
where
/C22xx = arithmetic mean ofthe results on n tractors
k = statistical factor which depends on n as shown in the following table:
n = 6 7 8 9 10 11 12
k = 1·42 1·35 1·30 1·27 1·24 1·21 1·20
Sn= standard deviation ofresults on n tractors
Sn2=Pðx/C0/C22xxÞ2=ðn/C01Þ
x = individual resultL = specified limit
S
n,x ,/C22xxand L expressed in dB ( µV/m).
If a first sample of n tractors does not meet the specification, a second sample of n
tractors shall be tested and the overall results assessed as coming from a sample
of2n tractors.1975L0322 — EN — 30.10.1997 — 002.001 — 10
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ANNEX IV
1975L0322 — EN — 30.10.1997 — 002.001 — 11