1979L0622 — EN — 01.05.2004 — 007.001 — 1
This document is meant purely as a documentation tool and the institutions do not assume any liability for its contents
►B COUNCILDIRECTIVE
of25June1979
ontheapproximationofthelawsoftheMember Statesrelating totheroll-over protection struc-
turesofwheeledagricultural orforestrytractors (statictesting)
(79/622/EEC)
(OJ L 179, 17.7.1979, p. 1)
Amended by:
Official Journal
No page date
►M1Commission Directive 82/953/EEC of 15 December 1982 L 386 31 31.12.1982
►M2Council Directive 87/354/EEC of 25 June 1987 L 192 43 11.7.1987
►M3Commission Directive 88/413/EEC of 22 June 1988 L 200 32 26.7.1988
►M4Commission Directive 1999/40/EC of 6 May 1999 L 124 11 18.5.1999
Amended by:
►A1Act of Accession of Spain and Portugal L 302 23 15.11.1985
►A2Act of Accession of Austria, Sweden and Finland C 241 21 29.8.1994
(adapted by Council Decision 95/1/EC, Euratom, ECSC) L 1 1 1.1.1995
►A3Act concerning the conditions of accession of the Czech Republic, the
Republic of Estonia, the Republic of Cyprus, the Republic of Latvia,the Republic of Lithuania, the Republic of Hungary, the Republic of
Malta, the Republic of Poland, the Republic of Slovenia and the Slovak
Republic and the adjustments to the Treaties on which the EuropeanUnion isfoundedL 236 33 23.9.2003
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COUNCILDIRECTIVE
of25June1979
on the approximationof the lawsofthe Member States relating to
the roll-over protection structures of wheeled agricultural or
forestrytractors(statictesting)
(79/622/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 of the European Parliament (
1),
Having regard to the opinion of the Economic and Social
Committee (2),
Whereasthe technical requirementswith which tractorsmus t comply
pursuant to national laws relate inter alia to roll-over protection struc-
turesand to their attachment to the tractor;
Whereasthos e requirementsdiffer from one Member State to another;
whereas it is therefore necessary that all Member States adopt the samerequirementseither in addition to or in place of their exis ting rulesin
order, in particular, to allow the EEC type-approval procedure which
wasthe s ubject of Council Directive 74/150/EEC of 4 March 1974 onthe approximation of the lawsof the Member Statesrelating to thetype-approval of wheeled agricultural or forestry tractors (
3) to be intro-
duced in respect of each type of tractor;
Whereasa harmonized component type-approval procedure for roll-
over protection structures and their attachment to the tractor makes itpossible for each Member State to check compliance with the commonconstruction and testing requirements and to inform the other MemberStatesof itsfindingsby s ending them copiesof the component type-
approval certificate completed for each type of roll-over protection
structure and its attachment to the tractor; whereas the placing of anEEC component type-approval mark on all structures manufactured inconformity with the approved type obviatesany need for technicalchecks on those structures in the other Member States;
Whereascommon requirementsconcerning other elementsand charac-
teristics of the roll-over protection structure, in particular thoseconcerning the dimensions, doors, safety glass, devices to preventcontinuous rolling if the tractor overturns, and protection of passengers,will be laid down at a later date;
Whereasthe harmonized requirementsare intended principally to
ensure safety on the road and at work throughout the Community;whereas for this reason it is necessary to introduce the obligation fortractorscovered by thisDirective to be fitted with roll-over protectionstructures; whereas until a date to be determined, the tractors referred
to in Council Directive 77/536/EEC of 28 June 1977 on the approxima-
tion of the lawsof the Member Statesrelating to the roll-overprotection structures of wheeled agricultural or forestry tractors (
4)
should be able to be fitted with roll-over protection structurescomplying either with Directive 77/536/EEC or with thisDirective;
Whereasthe approximation of the national lawsrelating to tractors
entailsreciprocal recognition by Member Statesof the checkscarriedout by each of them on the basis of the common requirements,1979L0622 — EN — 01.05.2004 — 007.001 — 2
(1) OJ No C 296, 11. 12. 1978, p. 69.
(2) OJ No C 128, 21. 5. 1979, p. 18.
(3) OJ No L 84, 28. 3. 1974, p. 10.
(4) OJ No L 220, 29. 8. 1977, p. 1.
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HAS ADOPTED THIS DIRECTIVE:
Article 1
1. Each Member State shall grant EEC component type-approval for
any type of roll-over protection structure and its tractor attachmentwhich satisfies the construction and testing requirements laid down inAnnexesI to V.
2. A Member State which hasgranted EEC component type-
approval shall take the measures required to verify, in so far as isnecessary and if need be in cooperation with the competent authoritiesin the other Member States, that production models conform to theapproved type. Such verification shall be limited to spot checks.
Article 2
Member States shall, for each type of roll-over protection structure and
its tractor attachment which they approve pursuant to Article 1, issue tothe manufacturer of the tractor or of the roll-over protection structure,
or to hisauthorized repres entative, an EEC component type-approval
mark conforming to the model shown in Annex VI.
Member States shall take all appropriate measures to prevent the use of
marks liable to create confusion between roll-over protection structures
which have been component type-approved pursuant to Article 1 and
other devices.
Article 3
1. No Member State may prohibit the placing on the market of roll-
over protection structures or their tractor attachments on grounds
relating to their construction if they bear the EEC component type-approval mark.
2. Nevertheless, a Member State may prohibit the placing on the
market of roll-over protection structures bearing the EEC component
type-approval mark which consistently fail to conform to the approvedtype.
That State shall forthwith inform the other Member States and the
Commission of the measures taken, specifying the reasons for its deci-
sion.
Article 4
The competent authoritiesof each Member State s hall within one
month send to the competent authorities of the other Member States
copiesof the component type-approval certificates , an example ofwhich isgiven in Annex VII, completed for each type of roll-overprotection structure which they approve or refuse to approve.
Article 5
1. If the Member State which hasgranted EEC component type-
approval findsthat a number of roll-over protection s tructuresand theirtractor attachmentsbearing the s ame EEC component type-approvalmark do not conform to the type which it hasapproved, it s hall takethe necessary measures to ensure that production models conform to
the approved type. The competent authorities of that State shall advise
those of the other Member States of the measures taken which may, ifnecessary, where there is serious and repeated failure to conform,extend to withdrawal of EEC component type-approval. The saidauthorities shall take the same measures if they are informed by the
competent authoritiesof another Member State of s uch failure to
conform.
2. The competent authoritiesof the Member Statess hall within one
month inform each other of any withdrawal of EEC component type-approval and of the reasons for any such measure.1979L0622 — EN — 01.05.2004 — 007.001 — 3
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Article 6
Any decision taken pursuant to the provisions adopted in implementa-
tion of thisDirective to refus e or withdraw component type-approval
for roll-over protection structures and their tractor attachments, or to
prohibit their placing on the market or their use, shall set out in detailthe reasons on which it is based. Such decision shall be notified to theparty concerned, who shall at the same time be informed of the reme-diesavailable to him under the lawsin force in the Member Statesandof the time limits allowed for the exercise of such remedies.
Article 7
No Member State may refuse to grant EEC type-approval or national
type-approval in respect of a tractor on grounds relating to the roll-
over protection structure or its tractor attachment if these bear the
EEC component type-approval mark and if the requirementslaiddown in Annex VIII have been satisfied.
Article 8
No Member State may refuse or prohibit the sale, registration, entry
into service or use of any tractor on grounds relating to the roll-overprotection structure and its tractor attachment if these bear the EECcomponent type-approval mark and if the requirementslaid down in
Annex VIII have been met.
Article 9
ThisDirective s hall apply to tractorsasdefined in Article 1 of Direc-
tive 74/150/EEC having the following characteristics:
— clearance beneath the rear axle of not more than 1 000mm,
— fixed or minimum adjustable track width of one of the driving axles
of 1 150 mm or more,
— possibility of being fitted with a multipoint coupling device for
detachable toolsand a draw bar,
— mass of 800 kg or more, corresponding to the unladen weight of the
tractor asdefined in s ection 2.4 of Annex I to Directive 74/150/EEC, including the roll-over protection structure fitted in compli-ance with this Directive and tyres of the largest size recommended
by the manufacturer.
Article 10
For the purposes of EEC type-approval, any tractor to which Article 9
refers must be fitted with a roll-over protection structure which satisfies
the requirementslaid down in AnnexesI to IV.
However, the tractorsdefined in Article 9 of Directive 77/536/EEC
may, for the purposes of EEC type-approval, be fitted with a roll-overprotection structure which satisfies the requirements laid down inAnnexesI to IV to that Directive.
Article 11
Any amendments necessary to adapt the requirements of the Annexes
to this Directive to take account of technical progress shall be adopted
in accordance with the procedure laid down in Article 13 of Directive
74/150/EEC.
Article 12
1. Member States shall bring into force the provisions necessary in
order to comply with thisDirective within 18 monthsof itsnotificationand shall forthwith inform the Commission thereof.
2. Member States shall ensure that the texts of the main provisions
of national law which they adopt in the field covered by thisDirectiveare communicated to the Commission.1979L0622 — EN — 01.05.2004 — 007.001 — 4
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Article 13
This Directive is addressed to the Member States.1979L0622 — EN — 01.05.2004 — 007.001 — 5
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LISTOFANNEXES
Annex I: Conditionsfor EEC component type-approval
Annex II: Conditions for testing the strength of the protection struc-
turesand of their attachment to tractors
Annex III: Test procedures
Annex IV: FiguresAnnex V: Test report model
Annex VI: Marks
Annex VII: Model of EEC component type-approval certificateAnnex VIII: Conditionsfor EEC type-approval
Annex IX: Annex to the EEC type-approval certificate for a tractor
with regard to the strength of the protection structures and
of their attachment to the tractor (static tests).1979L0622 — EN — 01.05.2004 — 007.001 — 6
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ANNEX I
CONDITIONSFOREECCOMPONENTTYPE-APPROVAL
1. DEFINITION
1.1. ‘Roll-over protection structure’ (safety cab or frame), hereinafter called
‘protection structure’, means the structure on a tractor the essential
purpose of which is to avoid or limit risks to the driver resulting from
roll-over of the tractor during normal use.
1.2. The structures mentioned in 1.1 are characterized by the fact that during
the tests prescribed in Annexes II and III they ensure an unobstructed
space inside them large enough to protect the driver.
2. GENERAL REQUIREMENTS
2.1. Every protection structure and its attachment to a tractor must be so
designed and constructed as to fulfil the essential purpose laid down in
section 1.
2.2. Thiscondition iscons idered to be fulfilled if the requirementsof
AnnexesII and III are complied with.
3. APPLICATION FOR EEC COMPONENT TYPE-APPROVAL
3.1. The application for EEC component type-approval with regard to the
strength of a protection structure and the strength of its attachment to a
tractor shall be submitted by the tractor manufacturer or by the manufac-
turer of the protection structure or by his authorized representatives.
3.2. The application for EEC component type-approval shall be accompanied
by the undermentioned documentsin triplicate and by the following parti-
culars:
— general arrangement drawing either to a scale marked on the drawing
or giving the main dimensions of the protection structure. This
drawing must in particular show details of the mounting components,
— photographs from side and rear showing mounting details,
— brief description of the protection structure including type of
construction, details of mounting on the tractor and, where necessary,
details of cladding, means of access and escape, details of interior
padding and featuresto prevent continuousrolling and detailsof
heating and ventilation,
— details of materials used in structural parts including attaching
bracketsand fixing bolts(s ee Annex V).
3.3. A tractor representative of the tractor type for which the protection struc-
ture to be approved is intended shall be submitted to the technical service
responsible for conducting the component type-approval tests. This
tractor shall be fitted with the protection structure.
3.4. The holder of EEC component type-approval may request its extension to
other tractor types. The competent authority which has granted the
original EEC component type-approval shall grant the extension if the
approved protection structure and the type(s) of tractor for which the
extension is requested comply with the following conditions:
— the mass of the unballasted tractor, as defined in section 1.3 of Annex
II, does not exceed by more than 5 % the reference mass used in the
test,
— the method of attachment and the tractor'scomponentsto which the
attachmentsare made are identical,
— any componentss uch asmudguardsand bonnet cowlswhich may
provide support for the protection structure are identical,
— the position and critical dimensions of the seat in the protection struc-
ture and the relative positions of the protection structure and the
tractor shall be such that the zone of clearance would have remained
within the protection of the deflected structure throughout all tests.
4. MARKINGS
4.1. Every protection structure conforming to the approved type shall bear the
following markings:
4.1.1. the trade mark or name;
4.1.2. a component type-approval mark conforming to the model in Annex VI;1979L0622 — EN — 01.05.2004 — 007.001 — 7
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4.1.3. serial number of the protection structure;
4.1.4. Make and type(s) of tractor(s) for which the protection structure is
intended.
4.2. All these particulars must appear on a small plate.
4.3. These markings must be visible, legible and indelible.1979L0622 — EN — 01.05.2004 — 007.001 — 8
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ANNEX II
CONDITIONSFORTESTINGTHESTRENGTHOFTHEPROTECTION
STRUCTURESANDOFTHEIRATTACHMENTTOTRACTORS
1. GENERAL REQUIREMENTS
1.1.Testpurposes
Tests made using special rigs are intended to simulate such loads as
are imposed on a protection structure, when the tractor overturns.
These tests, described in Annex III, enable observations to be made
on the strength of the protection structure and any brackets attaching
it to the tractor and any parts of the tractor which transmit the test
force.
1.2.Preparationfortest
1.2.1. The protection structure must conform to the series production speci-
fications. It shall be attached in accordance with the manufacturer's
declared method of attachment to one of the tractorsfor which it is
designed. A complete tractor is not required for the test; however,
the protection structure and parts of the tractor on which it is attached
for the tests shall represent an operating installation, hereinafter
referred to as ‘the assembly’.
1.2.2. The assembly shall be secured to the bedplate so that the members
connecting the assembly and the bedplate do not deflect significantly
in relation to the protection structure under loading. The method of
attachment of the assembly to the bedplate must not of itself modify
the strength of the assembly.
1.2.3. The assembly must be supported and secured or modified so that all
the test energy is absorbed by the protection structure and its attach-
ment to the rigid componentsof the tractor.
1.2.3.1. To comply with the requirementsof 1.2.3, the modification s hall lock
any tractor ride suspension system so as to ensure that it does not
absorb any of the test energy.
1.2.4. For the tests the tractor must be fitted with all structural components
of the series production which may influence the strength of the
protection structure or which may be necessary for the strength test.
Componentswhich may create a hazard in the zone of clearance mus t
also be fitted so that they may be examined to see whether the
requirementsof s ection 4 have been fulfilled.
All components that the driver could himself remove shall be
removed for the tests. If it is possible to keep the doors and windows
open or to remove them when the tractor is in use, they must be kept
open or removed during the tests, so as not to increase the strengh of
the roll-over protection structure. If, in this position, they constitute a
danger for the driver should the tractor roll over, the test report must
refer to thisfact.
1.3.Tractormass
The reference mass mt, used in the formulae (see Annex III) to calcu-
late the energies and the crushing force, shall be at least that defined
in section 2.4 of Annex I to Council Directive 74/150/EEC (i.e.
excluding optional accessories but including coolant, oils, fuel, tools
and driver) plus the protection structure and less 75 kg.
Not included are optional front or rear weights, tyre ballast, mounted
implements, mounted equipment or any specialized components.
2. APPARATUS AND EQUIPMENT2.1.Horizontal loadingtests(sideandlongitudinal)
2.1.1. Material, equipment and tie-down meansadequate to ens ure that the
assembly is firmly fixed to the bedplate, independently of tyres if
present.1979L0622 — EN — 01.05.2004 — 007.001 — 9
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2.1.2. Meansof applying a horizontal force on the protection s tructure by a
stiff beam as shown in Figures 1 and 2 of Annex IV.
2.1.2.1. The stiff beam shall have a vertical face dimension of 150 mm.2.1.2.2. Provision must be made so that the load can be uniformly distributed
normal to the direction of loading and along a beam having a length
of one of the exact multiplesof 50 between 250 and 700 mm.
2.1.2.3. The edges of the beam in contact with the protection structure shall
be curved with a maximum radiusof 50 mm.
2.1.2.4. Universal joints — or the equivalent — shall be incorporated to
ensure that the loading device does not constrain the structure in rota-
tion or translation in any direction other than the direction of loading.
2.1.2.5. Where the horizontal length of the protection structure to which the
load is to be applied does not constitute a straight line normal to the
direction of application of the load, the space shall be packed so as to
distribute the load over this length.
2.1.3. Equipment for measuring as far as is technically possible the energy
absorbed by the protection structure and the rigid parts of the tractor
to which it isattached, for example by meas uring the force applied
along itsdirection of application and the corres ponding deflectionrelative to a point on the tractor chassis.
2.1.4. Meansfor proving that the zone of clearance hasnot been entered
during the test. A rig according to figures 6a, 6b and 6c of Annex
IV can be used.
2.2.Crushingtests(rearandfront)
2.2.1. Material, equipment and tie-down meansadequate to ens ure that the
tractor isfirmly fixed to the bedplate, independently of tyres .
2.2.2. Means for applying a vertical force on the protection structure, such
as shown in figure 3 of Annex IV, including a stiff crushing beam
with a width of 250 mm.
2.2.3. Equipment for measuring the total vertical force applied.
2.2.4. Meansfor proving that the zone of clearance hasnot been entered
during the test. A rig according to figures 6a, 6b and 6c of Annex
IV can be used.
2.3.Measurementtolerances
2.3.1. Dimensions: ± 3 mm.2.3.2. Deflection: ± 3 mm.2.3.3. Tractor mass: ± 20 kg.
2.3.4. Loadsand forces : ± 2 %.
2.3.5. Direction of loading: deviation from horizontal and vertical directions
specified in Annex III:
— at start of test, under zero load: ± 2º,
— during test, under load: 10º above and 20º below the horizontal.
These variations should be kept to a minimum.
3. TESTS3.1.Generalrequirements
3.1.1. Sequence of tests
3.1.1.1. The sequence of tests shall be as follows:
3.1.1.1.1. Longitudinal loading (Annex III, 1.2)
For tractors with at least 50 % of the mass as defined in section 1.3
on the rear wheelsthe longitudinal loading s hall be applied from the
rear (case 1). For other tractors the longitudinal loading shall be
applied from the front (case 2).
3.1.1.1.2. First crushing test
The first crushing test shall be applied at the same end of
the protection structure as the longitudinal loading, i. e.:
— at the rear in case 1 (Annex III, 1.5),1979L0622 — EN — 01.05.2004 — 007.001 — 10
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— at the front in case 2 (Annex III, 1.6),
3.1.1.1.3. Loading from the side (Annex III, 1.3)
3.1.1.1.4. Second crushing test
The second crushing test shall be applied at the opposite
end of the protection structure to the longitudinal loading,
i.e.:
— at the front in case 1 (Annex III, 1.6),
— at the rear in case 2 (Annex III, 1.5).
3.1.1.1.5. Second longitudinal loading (Annex III, 1.7)
A second longitudinal loading shall be applied to tractors fitted with a
protection structure designed to be tilted when the direction of appli-
cation of the longitudinal loading (see section 3.1.1.1.1) would not
have tilted the protection structure.
3.1.1.2. If, during the test, any part of the restraining equipment breaks or
moves, the test shall be re-started.
3.1.1.3. No repairs or adjustments to the tractor or protection structure may be
carried out during the tests.
3.1.2. Wheel track width
The wheels shall be removed or set at a track width setting which
ensures that no interference can occur with the protection structure
during the tests.
3.1.3. Removal of non-hazard creating components
All componentsof the tractor and protection s tructure which, as
complete units, constitute protection for the driver — including
weather protection — shall be supplied complete on a tractor for
inspection.
The protection structure to be tested need not be fitted with front, side
or rear windows of safety glass or similar material and any detachable
panels, fittings and accessories which have no function of structural
strength and which cannot create a hazard in the event of overturning.
3.1.4. Instrumentation
The protection structure shall be instrumented with the necessary
equipment to obtain the data required to draw the force-deflection
diagram (see figure 4 of Annex IV). Total and permanent protection
structure deflection shall be measured and noted for each stage of the
test (see figure 5 of Annex IV).
3.1.5. Direction of loading
In the case of a tractor whose seat is not on the median plane of the
tractor and/or non-symmetrical strength of the structure, the side
loading will be on the side most likely to lead to infringement of the
zone of clearance during the tests (see also Annex III, 1.3).
4. ACCEPTANCE CONDITIONS
4.1. A protection structure submitted for EEC component type-approval
shall be considered as having satisfied the strength requirements if
after the tests it fulfils the following conditions:
4.1.1. No part of the zone of clearance asdes cribed in Item 3.2 of Annex III
hasbeen entered by, or hasbeen outs ide the protection of, the protec-
tion structure during the tests specified in Items 1.2, 1.3, 1.5, 1.6 and,
where appropriate, 1.7 of Annex III.
If an overload test has been carried out, the force applied when the
specified energy is absorbed shall be greater than 0·8 of the maximum
force occuring during both the main test and the overload test
concerned (see figures 4b and 4c of Annex IV).
4.1.►M12◄.During the tests the protection structure must not impose any
constraint on the seat structure.1979L0622 — EN — 01.05.2004 — 007.001 — 11
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4.1.3. At the point when the required energy level isattained in each of the
specified horizontal loading tests, the force shall exceed 0·8 Fmax.
4.2. In addition there shall be no other feature presenting a particular
hazard to the driver e.g. insufficient padding inside the roof or
anywhere else where the driver's head may strike.
5. TEST REPORT
5.1. The test report shall be attached to the EEC component type-approval
certificate referred to in Annex VII. The presentation of the report
shall be as shown in Annex V. It shall include:
5.1.1. A general description of the protection structure's shape and construc-
tion (see Annex V for the obligatory dimensions), including the
provisions for normal entry, exit and escape; the provisions for
heating and ventilation system, and other accessories where these are
available and where they could affect the zone of clearance or might
create a hazard.
5.1.2. Details of any special features such as devices to prevent the contin-
uousrolling of the tractor.
5.1.3. A brief description of any interior padding.
5.1.4. A statement of the type of windscreen and glazing fitted and of any
EEC or other approval marking incorporated.
5.2. If EEC component type-approval isbeing extended for other tractor
types, the report must include the exact reference of the report of the
original EEC component type-approval aswell asprecis e indications
regarding the requirementslaid down in s ection 3.4 of Annex I.
5.3. The report must identify clearly the tractor type (make, type and
commercial description, etc.) used for testing and the types for which
the protection structure is intended.
6. SYMBOLS
mt= reference tractor mass (kg), as defined in section 1.3.
D = deflection (mm) of structure at the point of and in line with
the load application.
D′= deflection (mm) of structure for the calculated energy
required.
F = static load force (N) (newtons).
Fmax= maximum static load force occurring during loading, (N)
with the exception of the overload.
F′= force for the calculated energy required.
F-D = force/deflection curve.
Eis= energy input to be absorbed during side loading (J)
(joules).
Eil1= energy input to be absorbed during longitudinal loading (J).
Eil 2= energy input to be absorbed during application of the
second longitudinal load (J).
Fr= applied force at rear in the crushing test (N).
Ff= applied force at front in the crushing test (N).1979L0622 — EN — 01.05.2004 — 007.001 — 12
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ANNEX III
TESTPROCEDURE
1. HORIZONTAL LOADING AND CRUSHING TESTS
1.1.Generalprovisionsforhorizontalloadingtests
1.1.1. The loads applied to the protection structure shall be distributed by
means of a stiff beam, complying with the specifications laid down in
section 2.1.2 of Annex II, located normal to the direction of load appli-
cation; the stiff beam may be equipped with a means of preventing its
being displaced sideways. The rate of deflection under loading shall not
be greater than 5 mm/s. As the load is applied, F and D shall be
recorded simultaneously at deflection increments of 15 mm or less, to
ensure accuracy. Once the initial application has commenced, the load
shall not be reduced until the test has been completed; but it is
permitted to cease increasing the load if desired, e.g. to record measure-
ments.
1.1.2. If the s tructural member to which the load isto be applied iscurved,
the specifications laid down in section 2.1.2.5 of Annex II must be
complied with. The application of a load must, however, comply with
the requirements of section 1.1.1 above and section 2.1.2 of Annex II.
1.1.3. If no structural cross member exists at the point of application, a substi-
tute test beam which does not add strength to the structure may be
utilized for the test procedure.
1.1.4. The structure shall be inspected visually when the load is removed after
each loading test has been completed. If cracks or tears have occurred
during loading, the overload test specified in 1.4 below shall be carried
out before proceeding to the next loading in the sequence given in
section 3.1.1.1 of Annex II.
1.2.Longitudinalloading(seeFigure2ofAnnexIV)
Load application shall be horizontal and parallel to the vertical median
plane of the tractor.
For tractors with at least 50 % of their mass, as defined in Item 1.3 of
Annex II, on the rear wheels, the longitudinal rear load and the lateral
load shall be applied on different sides of the median longitudinal plane
of the protection structure. For tractors with at least 50 % of their mass
on the front wheels, the longitudinal front load shall be on the same
side of the median longitudinal plane of the protection structure as the
lateral load.
It shall be applied to the uppermost transverse structural member of the
protection structure (i.e. the part which would be likely to strike the
ground first in an overturning incident).
The point of application of the load shall be located one-sixth of the
width of the top of the protection structure inwards from the outside
corner. The width of the protection structure shall be taken as the
distance between two lines parallel to the vertical median plane of the
tractor touching the outside extremities of the protection structure in the
horizontal plane touching the top of the uppermost transverse structural
members.
The length of the beam shall be not less than one-third of the width of
the protection structure (as previously described) and not more than 49
mm greater than thisminimum.
The longitudinal loading isapplied from the rear or front, asdefined in
Item 3.1.1.1 of Annex II.
The test shall be stopped whenever:
(a) the strain energy absorbed by the protection structure is equal to or
greater than the required energy input Eil 1(where Eil 1= 1·4 mt);
(b) the structure infringes the zone of clearance or leaves the zone of
clearance unprotected.1979L0622 — EN — 01.05.2004 — 007.001 — 13
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1.3.Loadingfromtheside(seeFigure1ofAnnexIV)
The loading shall be applied horizontally at 90º to the vertical median
plane of the tractor. It shall be applied to the upper extremity of the
protection structure at a point 300 mm forward of the seat reference
point with the seat in its rearmost position as defined in section 2.3.1
below. If the protection structure has any projection on the side which
would be certain to contact the ground first during a sideways overturn,
the loading shall be applied at that point. ►M4In the case of a tractor
with a reversible position, the load shall be applied to the upper extre-
mity of the roll-over protection structure half-way between the two seat
reference points. ◄
The beam s hall be aslong aspracticable, but no more than 700 mm in
length.
Stop the test whenever:
(a) the strain energy absorbed by the protection structure is equal to or
greater than the required energy input Eis(where Eis= 1·75 mt); or
(b) the structure infringes the zone of clearance or leaves the zone of
clearance unprotected.
1.4.Overloadtest(seeFigs.4a,4band4cinAnnexIV)
1.4.1. The overload test must be carried out if the force decreases by more
than 3 % during the last 5 % of the deflection achieved, where the
energy required is absorbed by the structure (see Fig. 4b).
1.4.2. The overload test involves the gradual increase of the horizontal load
by incrementsof 5 % of the initial energy requirement up to a
maximum of 20 % of energy added (see figure 4c).
1.4.2.1. The overload test is satisfactory if, after each increase by 5, 10 or 15 %
in the energy required, the force decreases by less than 3 % for a 5 %
increment and remainsmore than 0·8 Fmax.
1.4.2.2. The overload test is satisfactory if, after the structure has absorbed 20 %
of the added energy, the force exceeds0·8 Fmax.
1.4.2.3. Additional cracksor tearsand/or entry into or lack of protection of the
zone of clearance due to elastic deformation are permitted during the
overload test. However, after the removal of the load, the structure shall
not enter the zone of clearance, which shall be completely protected.
1.5.Crushingattherear
The beam shall be positioned over the rear uppermost structural
members and the resultant of crushing forces shall be located in the
vertical longitudinal reference plane. A force Fr=2 0mtshall be
applied.
Where the rear part of the protection structure roof will not sustain the
full crushing force, the force shall be applied until the roof is deflected
to coincide with the plane joining the upper part of the protection struc-
ture with that part of the rear of the tractor capable of supporting the
vehicle's mass when overturned. The force shall then be removed, and
the tractor or loading force repositioned so that the beam is over that
point of the protection structure which would then support the tractor
when completely overturned. The force Frshall then be applied.
The force Frshall be applied for a minimum of five seconds following
the cessation of the visually detectable deflection.
Stop the test if the structure infringes the zone of clearance or leaves
the zone of clearance unprotected.
1.6.Crushingatthefront
The beam shall be positioned across the front uppermost structural
members and the resultant of crushing forces shall be located in the
vertical longitudinal reference plane. A force Ff=2 0mtshall be
applied.
Where the front part of the protection structure roof will not sustain the
full crushing force, the force shall be applied until the roof is deflected
to coincide with the plane joining the upper part of the protection struc-
ture with that part of the front of the tractor capable of supporting the1979L0622 — EN — 01.05.2004 — 007.001 — 14
▼M3
▼M1
▼B
▼B
vehicle's mass when overturned. The force shall then be removed, and
the tractor or loading force repositioned so that the beam is over that
point of the protection structure which would then support the tractor
when completely overturned. The force Ffshall then be applied.
The force Ffshall be applied for a minimum of five seconds following
the cessation of the visually detectable deflection.
Stop the test if the structure infriges the zone of clearance or leaves the
zone of clearance unprotected.
1.7.Secondlongitudinalloading
Load application shall be horizontal parallel to the vertical median
plane of the tractor.
The second longitudinal loading is applied from the rear or front as
defined in section 3.1.1.1 of Annex II.
It shall be applied in the opposite direction to and at the corner furthest
from the longitudinal loading in section 1.2.
It shall be applied to the uppermost transverse structural member of the
protection structure (i.e. that part which would be likely to strike the
ground in an overturning incident).
The point of application of the load shall be located one sixth of the
width of the top of the protection structure inwards from the outside
corner. The width of the protection structure shall be taken as the
distance between two lines parallel to the vertical median plane of the
tractor touching the outside extremities of the protection structure in the
horizontal plane touching the top of the uppermost transverse structural
members.
The length of the beam shall be not less than one third of the width of
the protection structure (as previously described) and not more than 49
mm more than thisminimum.
Stop the test whenever:
(a) the strain energy absorbed by the structure is equal to or greater
than the required energy input Eil2(where Eil2= 0·35 mt); or
(b) the structure infringes the zone of clearance or leaves the zone of
clearance unprotected.
2. ZONE OF CLEARANCE
2.1. The zone of clearance isillus trated in figure 6 of Annex IV and is
defined in relation to a vertical reference plane generally longitudinal
to the tractor and passing through a seat reference point, described in
section 2.3, and the centre of the steering wheel. The reference plane
shall be assumed to move horizontally with the seat and steering wheel
during application of the load but to remain perpendicular to the floor
of the tractor or of the protection structure if this is resiliently mounted.
Where the steering wheel is adjustable, its position should be that for
normal seated driving.
2.2. The boundaries of the zone shall be taken as:2.2.1. vertical planes250 mm on either s ide of the reference plane extending
upwardsfrom the s eat reference point for 300 mm;
2.2.2. parallel planesextending from the upper edge of plane 2.2.1 to a
maximum height of 900 mm above the seat reference point and inclined
in such a way that the upper edge of the plane on the side from which
the s ide loading isapplied isat leas t 100 mm from the reference plane;
2.2.3. a horizontal plane 900 mm above the seat reference point;2.2.4. an inclined plane perpendicular to the reference plane and including a
point 900 mm directly above the seat reference point and the rearmost
point of the seat backrest;
2.2.5. a surface, if necessary curved, with a series of straight lines perpendi-
cular to the reference plane extending downwardsfrom the rearmos t
point of the seat in contact with the seat backrest throughout its length;
2.2.6. a curvilinear surface, perpendicular to the reference plane, with a radius
of 120 mm tangential to planes2.2.3 and 2.2.4;1979L0622 — EN — 01.05.2004 — 007.001 — 15
▼B
2.2.7. a curvilinear surface, perpendicular to the reference plane, having a
radiusof 900 mm extending forward for 400 mm from and tangential
to plane 2.2.3 at a point 150 mm forward of the seat reference point;
2.2.8. an inclined plane perpendicular to the reference plane, joining surface
2.2.7 at its forward edge and passing 40 mm from the steering wheel.
In the case of a high steering wheel position this plane is replaced by a
tangent plane to the surface 2.2.7;
2.2.9. a vertical plane, perpendicular to the reference plane, 40 mm forward of
the steering wheel;
2.2.10. a horizontal plane through the seat reference point;
2.2.11. in the case of a tractor with a reversible driving position, the clearance
shall be a combination of the two clearances determined for the two
positions of the steering wheel and seat;
2.2.12. in the case of a tractor which can be fitted with optional seats, the tests
shall be based on the combined seat-reference-point clearance for all
available seat options. The roll-over protection structure must not enter
the combined clearance around the various seat reference points;
2.2.13. where a new seat option is proposed after the test has taken place, a
calculation ismade to determine whether the clearance around the new
seat reference point is located entirely within the clearance previously
established. If this is not the case, a new test is required.
2.3.Seatlocationandseatreference point
2.3.1. For the purpose of defining the zone of clearance in section 2.1 the seat
shall be at the rearmost point of any horizontal adjustment range. It
shall be set at the highest point of the vertical adjustment range where
this is independent of adjustment of its horizontal position.
The reference point shall be established using the apparatus illustrated
in figures7 and 8 of Annex IV to s imulate loading by a human occu-
pant. The apparatus shall consist of a seat pan board and backrest
boards. The lower backrest board shall be jointed in the region of the
ischium humps (A) and loin (B), the joint (B) being adjustable in
height.
2.3.2. The reference point isdefined asthe point in the median longitudinal
plane of the seat where the tangential plane of the lower backrest and
a horizontal plane intersect. This horizontal plane cuts the lower surface
of the seat pan board 150 mm in front of the abovementioned tangent.
2.3.3. Where a seat incorporates a free sprung suspension travel, whether or
not this can be adjusted for the weight of the driver, the seat shall be
set at the mid-point of this travel.
The apparatus shall be positioned on the seat. It shall then be loaded
with a force of 550 N at a point 50 mm in front of joint (A), and the
two parts of the backrest board shall be lightly pressed tangentially
against the backrest.
2.3.4. If it is not possible to determine definite tangents to each area of the
backrest (below and above lumbar region) the following should be
done:
2.3.4.1. where no definite tangent to the lower area is possible, the lower part of
the backrest board is pressed against the backrest vertically;
2.3.4.2. where no definite tangent to the upper area is possible, the joint (B) is
fixed at a height which is230 mm above the s eat reference point, if the
lower part of the backrest board is vertical. Then the two parts of the
backrest board are lightly pressed against the backrest.
3. CONTROLS AND MEASUREMENTS TO BE MADE
3.►M11◄.Zoneofclearance
During each test the protection structure shall be examined to see
whether any part of the protection structure has entered a zone of clear-
ance round the driving seat as defined in section 2.1. In addition, the
protection structure shall be examined to determine whether any part1979L0622 — EN — 01.05.2004 — 007.001 — 16
▼M4
▼B
▼M1
▼B
▼B
of the zone of clearance is outside the protection of the protection struc-
ture. For this purpose, it shall be considered to be outside the protection
of the protection structure if any part of it would have come into
contact with flat ground if the tractor had overturned towardsthe direc-
tion from which the loading wasapplied. For thispurpos e, the tyre and
track setting shall be assumed to be the smallest specified by the manu-
facturer.
3.►M12◄.Finalpermanentdeflection
After the tests, the final permanent deflection of the protection structure
shall be recorded. For this purpose, before the start of the test, the posi-
tion of the main protection structure members in relation to the seat
reference point shall be recorded.1979L0622 — EN — 01.05.2004 — 007.001 — 17
▼B
ANNEX IV
FIGURES
Figure 1: Point of application of lateral load
Figure 2: Point of application of longitudinal rear load
Figure 3: Example of an arrangement for crushing testFigure 4a: Force/deflection curve — overload test not necessary
Figure 4b: Force/deflection curve — overload test necessary
Figure 4c: Force/deflection curve — overload test to be continuedFigure 5: Illustration of the terms permanent, elastic and total deflec-
tion
Figure 6a: Side view of zone of clearanceFigure 6b: Front/rear view of zone of clearance
Figure 6c: Isometric view
Figure 7: Apparatusfor determination of s eat reference pointFigure 8: Method of determining seat reference point1979L0622 — EN — 01.05.2004 — 007.001 — 18
▼M1
▼B
►M1◄
►M1◄1979L0622 — EN — 01.05.2004 — 007.001 — 19
▼B
Figure 3
Exampleofanarrangementforcrushingtest1979L0622 — EN — 01.05.2004 — 007.001 — 20
▼M1
1. Point of reference aF ′= 0·95 D ′.
1.1. The overload test is not necessary since aF ′< 1·03 F ′.
Figure 4a
Force/deflection curve—overloadtestnotnecessary1979L0622 — EN — 01.05.2004 — 007.001 — 21
▼M1
1. Reference point aF ′= 0·95 D ′.
1.1. The overload test is necessary since aF ′> 1·03 F ′.
1.2. The overload test is satisfactory since bF ′> 0·97 F ′and bF′> 0·8 Fmax.
Figure 4b
Force/deflection curve—overloadtestnecessary1979L0622 — EN — 01.05.2004 — 007.001 — 22
▼M1
1. Reference point aF ′= 0·95 D ′.
1.1. The overload test is necessary since aF ′> 1·03 F ′.
1.2.►M3If bF′isles sthan 0,97 F ′, the overload test must be carried out. ◄
1.3. Since cF ′< 0·97 bF ′the overload test must be continued.
1.4. Since dF ′< 0·97 cF ′the overload test must be continued.
1.5. The overload test is satisfactory since eF ′> 0·8 Fmax.
NB:If at any time F dropsbelow 0·8 Fmax, the structure is rejected.
Figure 4c
Force/deflection curve—overloadtesttobecontinued1979L0622 — EN — 01.05.2004 — 007.001 — 23
▼B
Figure 5
Illustrationofthetermspermanent,elasticandtotaldeflection1979L0622 — EN — 01.05.2004 — 007.001 — 24
▼B
Figure 6a
Sideviewofzoneclearance
Figure 6b
Front/rear viewofzoneofclearance
Figure 6c
Isometricview1979L0622 — EN — 01.05.2004 — 007.001 — 25
Figure 7
Apparatusfordeterminationofseatreference point
Figure 8
Methodofdeterminingseatreference point▼B1979L0622 — EN — 01.05.2004 — 007.001 — 26
▼B
ANNEX V
MODEL
REPORT RELATING TO THE EEC COMPONENT TYPE-APPROVAL TEST OF A
PROTECTION STRUCTURE (SAFETY FRAME OR CAB) WITH REGARDTO ITS
STRENGTH AS WELL AS TO THE STRENGTH OF ITS ATTACHMENT TO THE
TRACTOR
(Statictesting)
1979L0622 — EN — 01.05.2004 — 007.001 — 27
▼B
1979L0622 — EN — 01.05.2004 — 007.001 — 28
▼B
1979L0622 — EN — 01.05.2004 — 007.001 — 29
▼B
1979L0622 — EN — 01.05.2004 — 007.001 — 30
▼B
ANNEX VI
MARKS
The EEC component type-approval mark shall consist of a rectangle
surrounding the lowercase letter ‘e’ followed by the distinguishing letter(s) or
number of the Member State which hasgranted the component type-approval:
1 for Germany
2 for France3 for Italy4 for the Netherlands
6 for Belgium
9 for Spain
11 for the United Kingdom
13 for Luxembourg
DK for Denmark
EL for Greece
IRL for Ireland
P for Portugal
12 for Austria
17 for Finland
5 for Sweden
8 for the Czech Republic
29 for Estonia
CY for Cyprus
32 for Latvia
36 for Lithuania
7 for Hungary
MT for Malta
20 for Poland26 for Slovenia27 for Slovakia
It must also include in the vicinity of the rectangle the EEC component type-
approval number which corresponds to the number of the EEC component
type-approval certificate issued with regard to the strength of the type of protec-
tion structure and its attachment to the tractor.1979L0622 — EN — 01.05.2004 — 007.001 — 31
▼A1
▼M2
▼A1
▼A2
▼A3
▼B
▼B
ExampleofanEECcomponenttype-approvalmark
The EEC component type-approval mark shall be supplemented by an additional
symbol ‘S’
The protection structure bearing the EEC component type-approval mark shown
above isa s tructure for which EEC component type-approval wasgranted in
Germany (e 1) under the number 1471.1979L0622 — EN — 01.05.2004 — 007.001 — 32
▼B
ANNEX VII
MODEL
EECCOMPONENTTYPE-APPROVALCERTIFICATE
1979L0622 — EN — 01.05.2004 — 007.001 — 33
▼B
ANNEX VIII
CONDITIONSFOREECTYPE-APPROVAL
1. The application for EEC type-approval of a tractor, with regard to the
strength of a protection structure and the strength of its attachment to the
tractor, shall be submitted by the tractor manufacturer or by his authorized
representative.
2. A tractor representative of the tractor type to be approved, on which a
protection structure and its attachment, duly approved, are mounted, shall
be submitted to the technical services responsible for conducting the type-
approval tests.
3. The technical service responsible for conducting the type-approval tests
shall check whether the approved type of protection structure is intended
to be mounted on the type of tractor for which the type-approval is
requested. In particular, it shall ascertain that the attachment of the protec-
tion structure corresponds to that which was tested when the EEC
component type-approval wasgranted.
4. The holder of the EEC type-approval may ask for its extension for other
types of protection structures.
5. The competent authorities shall grant such extension on the following
conditions:
5.1. the new type of protection structure and its tractor attachment have
received EEC component type-approval;
5.2. it is designed to be mounted on the type of tractor for which the extension
of the EEC type-approval isreques ted;
5.3. the attachment of the protection structure to the tractor corresponds to that
which wastes ted when EEC component type-approval wasgranted.
6. A certificate, of which a model is shown in Annex IX, shall be annexed to
the EEC type-approval certificate for each type-approval or type-approval
extension which has been granted or refused.
7. If the application for EEC type-approval for a type of tractor isintroduced
at the same time as the request for EEC component type-approval for a
type of protection structure intended to be mounted on the type of tractor
for which EEC type-approval isreques ted, the checkslaid down in 2 and 3
will not be made1979L0622 — EN — 01.05.2004 — 007.001 — 34
▼B
ANNEX IX
MODEL
1979L0622 — EN — 01.05.2004 — 007.001 — 35