1978L0933 — EN — 21.12.1982 — 001.001 — 1
This document is meant purely as a documentation tool and the institutions do not assume any liability for its contents
►B COUNCIL DIRECTIVE
of 17October 197 8
on the approximation of the laws of the Member States relating to the installation of lighting and
light-signalling devices on wheeled agricultural and forestry tractors
(78/933/EEC)
(OJ L 325, 20.11.1978, p. 16)
Amended by:
Official Journal
No page date
►M1Council Directive 82/890/EEC of 17 December 1982 L 378 45 31.12.1982
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COUNCIL DIRECTIVE
of 17October 197 8
on the approximation of the laws of the Member States relating to
the installation of lighting and light-signalling devices on wheeled
agricultural and forestry tractors
(78/933/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),
Whereas the technical requirements which tractors must satisfy pursuant
to national laws relate inter alia to the installation of lighting and
light-signalling devices;
Whereas those 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 of their existing rules inorder, in particular, to allow the EEC type-approval procedure, whichwas the subject of Council Directive 74/150/EEC of 4 March 1974 onthe approximation of the laws of the Member States relating to thetype-approval of wheeled agricultural or forestry tractors (
3), to be
applied in respect of each type of tractor;
Whereas the common requirements for the construction of lighting and
light-signalling devices will be the subject of further special Directives;
Whereas the approximation of the laws of Member States relating to
tractors entails mutual recognition by the Member States of the checkscarried out by each of them on the basis of the common requirements;whereas, if the system is to function properly, these requirements mustbe applied by all Member States from the same date,
HAS ADOPTED THIS DIRECTIVE:
Article 1
1. ‘Agricultural or forestry tractor' means any motor vehicle, fitted
with wheels or endless tracks, having at least two axles, the mainfunction of which lies in its tractive power and which is speciallydesigned to tow, push, carry or power certain tools, machinery ortrailers intended for agricultural or forestry use. It may be equipped tocarry a load and passengers.
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M1
2. This Directive shall apply only to tractors defined in paragraph Iwhich are equipped with pneumatic tyres and have at least two axlesand a maximum design speed of between 6 and 30 km/h.
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Article 2
No Member State may refuse to grant EEC type-approval or national
type-approval of a tractor on grounds relating to the installation oflighting and light-signalling devices, whether mandatory or optional,
(1) OJ No C 5, 8. 1. 1975, p. 54.
(2) OJ No C 47, 27. 2. 1975, p. 43.
(3) OJ No L 84, 28. 3. 1974, p. 10.
1978L0933 — EN — 21.12.1982 — 001.001 — 3
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listed in 1.5.7 to 1.5.21 of Annex I if these are installed in accordance
with the requirements set out in that Annex.
Article 3
No Member State may refuse the registration or prohibit the sale, entry
into service or use of any tractor on grounds relating to the installationof lighting and light-signalling devices, whether mandatory or optional,listed in 1.5.7 to 1.5.21 of Annex I if they are installed in accordancewith the requirements set out in that Annex.
Article 4
A Member State which has granted EEC type-approval shall take the
necessary measures to ensure that it is informed of any modification toany of the parts or characteristics referred to in 1.1 of Annex I. Thecompetent authorities of that Member State shall determine whetherfurther tests should be carried out on the modified tractor type and afresh report drawn up. Where such tests reveal failure to comply withthe requirements of this Directive, the modification shall not beapproved.
Article 5
Any amendments necessary to adjust the requirements of the Annexes
to take account of technical progress shall be adopted in accordancewith the procedure laid down in Article 13 of Council Directive 74/150/EEC.
Article 6
From the date of implementation of this Directive, Council Directive
75/323/EEC of 20 May 1975 on the approximation of the laws of theMember States relating to the power connection fitted on wheeledagricultural or forestry tractors for lighting and light-signalling deviceson tools, machinery or trailers intended for agriculture or forestry (
1)
shall cease to apply.
Article 7
1. Member States shall bring into force the laws, regulations and
administrative provisions necessary in order to comply with thisDirective within 18 months of its notification and shall forthwith informthe Commission thereof.
2. Member States shall communicate to the Commission the text of
the provisions of national law which they adopt in the field covered bythis Directive.
Article 8
This Directive is addressed to the Member States.
(1) OJ No L 147, 9. 6. 1975, p. 38.
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ANNEX I
INSTALLATION OF LIGHTING AND LIGHT-SIGNALLING DEVICES1. DEFINITIONS1.1. Tractor type with regard to the installation of lighting and light-
signalling devices
‘Tractor type with regard to the installation of lighting and light-
signalling devices'means tractors which do not differ in such essentialrespects as:
1.1.1. the dimensions and exterior shape of the tractor;1.1.2. the number and positioning of the devices.
The following are likewise considered not to be tractors of a different
type: tractors which differ within the meaning of 1.1.1 and 1.1.2above, but not in such a way as to entail a change in the type,number, positioning and geometric visibility of the lamps prescribedfor the tractor type in question, and tractors on which optional lampsare fitted or are absent.
1.2. Transverse plane
‘Transverse plane'means a vertical plane perpendicular to the median
longitudinal plane of the tractor.
1.3 Unladen tractor
‘Unladen tractor'means the tractor in running order, as defined in 2.4
of Annex I, model information document, to Directive 74/150/EEC.
1.4. Laden tractor
‘Laden tractor'means the tractor loaded to its technically permissible
maximum weight, as stated by the manufacturer, who shall also fixthe distribution of this weight between the axles.
1.5. Lamp
‘Lamp'means a device designed to illuminate the road (headlamp) or
to emit a light signal. Rear registration-plate lamps and reflex reflec-tors shall likewise be regarded as lamps.
1.5.1. Equivalent lamps
‘Equivalent lamps'means lamps having the same function and author-
ized in the country in which the tractor is registered; such lamps mayhave different characteristics from those installed on the tractor whenit is approved, on condition that they satisfy the requirements of thisAnnex.
1.5.2. Independent lamps
‘Independent lamps' means lamps having separate lenses, separate
light sources, and separate lamp bodies.
1.5.3. Grouped lamps
‘Grouped lamps' means devices having separate lenses and separate
light sources, but acommon la mp body.
1.5.4. Combined lamps
‘Combined lamps' means devices having separate lenses but a
common light source and a common lamp body.
1.5.5. Reciprocally incorporated lamps
‘Reciprocally incorporated lamps'means devices having separate light
sources (or asingle light source opera ting under different conditions),totally or partially common lenses and a common lamp body.
1.5.6. Concealable illuminating lamp
‘Concealable illuminating lamp' means a headlamp capable of being
partly or completely hidden when not in use. This result may beachieved by means of a movable cover, by displacement of theheadlamp or by any other suitable means. The term ‘retractable' is
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used more particularly to describe a concealable lamp the displace-
ment of which enables it to be inserted within the bodywork.
1.5.6.1. Variable-position lamps
‘Variable position lamps'means lamps installed on the tractor which
can move in relation to it and whose lenses cannot be concealed.
1.5.7. Main-beam headlamp
‘Main-beam headlamp' means the lamp used to illuminate the road
over a long distance ahead of the tractor.
1.5.8. Dipped-beam headlamp
‘Dipped-beam headlamp'means the lamp used to illuminate the road
ahead of the tractor without causing undue dazzle or discomfort tooncoming drivers and other road-users.
1.5.9. Front fog-lamp
‘Front fog-lamp'means the lamp used to improve the illumination of
the road in case of fog, snowfall, rainstorms or dust clouds.
1.5.10. Reversing lamp
‘Reversing lamp' means the lamp used to illuminate the road to the
rear of the tractor and to warn other road-users that the tractor isreversing or about to reverse.
1.5.11. Direction-indicator lamp
‘Direction-indicator lamp' means the lamp used to indicate to other
road-users that the driver intends to change direction to the right or tothe left.
1.5.12. Hazard-warning signal
‘Hazard-warning signal'means the device permitting the simultaneous
operation of all of a tractor’s direction indicator lamps to draw atten-tion to the fact that the tractor temporarily constitutes a special dangerto other road-users.
1.5.13. Stop lamp
‘Stop lamp'means the lamp used to indicate to other road-users to the
rear of the tractor that the latter’s driver is applying the service brake.
1.5.14. Rear registration-plate lamp
‘Rear registration-plate lamp'means the device used to illuminate the
space intended to accommodate the rear registration plate; it mayconsist of different optical elements.
1.5.15. Front position (side) lamp
‘Front position (side) lamp' means the lamp used to indicate the
presence and the width of the tractor when the latter is viewed fromthe front.
1.5.16. Rear position (side) lamp
‘Rear position (side) lamp' means the lamp used to indicate the
presence and the width of the tractor when the latter is viewed fromthe rear.
1.5.17. Rear fog-lamp
‘Rear fog-lamp' means the lamp used to render the tractor more
readily visible from the rear in dense fog.
1.5.18. Parking lamp
‘Parking lamp'means the lamp used to draw attention to the presence
of a stationary tractor, without a trailer, in a built-up area. In suchcircumstances it replaces the front and rear position (side) lamps.
1.5.19. End-outline marker lamp
‘End-outline marker lamp'means the lamps fitted to the extreme outer
edge as close as possible to the top of the tractor and intended clearlyto indicate the tractor’s overall width. This signal is intended, forcertain tractors, to complement the tractor’s front and rear position(side) lamps by drawing particular attention to its bulk.
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1.5.20. Reflex reflector
‘Reflex reflector' means a device used to indicate the presence of a
tractor by the reflection of light emanating from a light source notconnected to the tractor, the observer being situated near the source.
For the purposes of this Directive the following are not considered as
reflex reflectors:
— retro-reflecting number plates,
— other plates and retro-reflecting signals which must be used to
comply with a Member State’s specifications for use as regardscertain categories of vehicles or certain methods of operation.
1.5.21. Work lamp
‘Work lamp' means a device for illuminating a working area or
process.
1.6. Illuminating surface of a lamp
1.6.1. Illuminating surface of a lighting device
‘Illuminating surface of a lighting device'(1.5.7 to 1.5.10) means the
orthogonal projection of the full aperture of the reflector in a trans-verse plane. If the lamp glass (or glasses) extend(s) over part only ofthe full aperture of the reflector, then the projection of that part onlyis taken into account. In the case of a dipped-beam headlamp, theilluminating surface is limited on the side of the cut-off by theapparent projection of the line of the cut-off on to the lens. If thereflector and glass are adjustable, the mean adjustment should beused.
1.6.2. Illuminating surface of a signalling lamp other than a reflex reflector
‘Illuminating surface of a signalling lamp other than a reflex reflector'
(1.5.11 to 1.5.19) means the orthogonal projection of the lamp in aplane perpendicular to its axis of reference and in contact with theexterior light-emitting surface of the lamp, this projection beingbounded by the edges of screens situated in this plane, each allowingonly 98 % of the total luminous intensity of the light to persist in thedirection of the axis of reference. To determine the lower, upper andlateral limits of the illuminating surface, only screens with horizontalor vertical edges shall be used.
1.6.3. Illuminating surface of a reflex reflector
‘Illuminating surface of a reflex reflector' (1.5.20) means the ortho-
gonal projection of the reflecting surface of the reflex reflector in aplane perpendicular to its axis of reference and bounded by planestouching the outer edges of the light projection surface of the reflexreflector and parallel to this axis. To determine the lower, upper andlateral limits of the illuminating surface, only vertical and horizontalplanes shall be used.
1.6.4. Exterior light-emitting surfaces
‘Exterior light-emitting surfaces', for a defined direction of observa-
tion, means the orthogonal projection of the surface of light emissionin a plane perpendicular to the direction of observation (see drawingin Appendix 1).
1.7. Axis of reference
‘Axis of reference' means the characteristic axis of the light signal
determined by the manufacturer of the lamp for use as the direction ofreference (H = 0 °,V=0 °) for photometric measurements and when
fitting the lamp on the tractor.
1.8. Centre of reference
‘Centre of reference' means the intersection of the axis of reference
with the exterior light-emitting surface, specified by the manufacturerof the lamp.
1.9. Angles of geometric visibility
‘Angles of geometric visibility'means the angles which determine the
field of the minimum solid angle in which the exterior light-emittingsurface of the lamp must be visible. That field of the solid angle isdetermined by the segments of asphere of which the centre coincideswith the centre of reference of the lamp and the equator is parallel
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with the ground. These segments are determined in relation to the axis
of reference. The horizontal angles βcorrespond to the longtitude and
the vertical angles αto the latitude. There must be no obstacle on the
inside of the angles of geometric visibility to the propagation of lightfrom any part of the exterior light-emitting surface of the lamp.
This shall not apply to any obstacles existing at the time when the
lamp is approved if approval is required.
1.10. Extreme outer edge
‘Extreme outer edge' on either side of the tractor means the plane
parallel with the median longitudinal plane of the tractor and coin-ciding with its lateral outer edge, disregarding the projection:
1.10.1. of tyres near their point of contact with the ground and connections
for tyre-pressure gauges;
1.10.2. of any anti-skid devices which may be mounted on the wheels;1.10.3. of rear-view mirrors;1.10.4. of side direction indicator lamps, end-outline marker lamps, front and
rear position (side) lamps and parking lamps,
1.10.5. of customs seals affixed to the tractor and devices for securing and
protecting such seals.
1.11. Overall width
‘Overall width' means the distance between the two vertical planes
defined in 1.10 above.
1.12. A single lamp
‘A single lamp' means any combination of two or more lamps,
whether identical or not, having the same function and colour, if itcomprises devices, the projection of whose aggregate light-emittingsurfaces in a given transverse plane occupies 60 % or more of thearea of the smallest rectangle circumscribing the projections of thelight-emitting surfaces of the aforementioned lamps, provided thatsuch combination is, where approval is required, approved as a singlelamp.
This possible combination does not apply to main-beam headlamps,
dipped-beam headlamps and front fog lamps.
1.13. Two lamps or an even number of lamps
‘Two lamps'or ‘an even number of lamps'means a single light-emit-
ting surface in the shape of a band, if placed symmetrically in relationto the median longitudinal plane of the tractor and extending on bothsides to within not less than 400 mm of the extreme outer edge of thetractor, and being not less than 800 mm long. The illumination ofsuch a surface shall be provided by not less than two light sourcesplaced as close as possible to its ends. The light-emitting surface maybe constituted by a number of juxtaposed elements on condition thatthe projections of the several individual light-emitting surfaces in thesame transverse plane occupy not less than 60 % of the area of thesmallest rectangle circumscribing the projections of those individuallight-emitting surfaces.
1.14. Distance between two lamps
‘Distance between two lamps' which face in the same direction,
means the distance between the orthogonal projections in a planeperpendicular to the direction in question of the outlines of the twoilluminating surfaces as defined according to the case mentioned in1.6.
1.15. Optional lamp
‘Optional lamp' means a lamp the presence of which is left to the
discretion of the manufacturer.
1.16. Operational tell-tale
‘Operational tell-tale'means a tell-tale showing whether a device that
has been actuated is operating correctly or not.
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1.17. Circuit-closed tell-tale
‘Circuit-closed tell-tale' means a tell-tale showing that a device has
been switched on but not showing whether it is operating correctly ornot
2. APPLICATION FOR EEC TYPE-APPROVAL
2.1. The application for EEC approval of a tractor type with regard to the
installation of its lighting and light-signalling devices shall besubmitted by the tractor manufacturer or his representative.
2.2. It shall be accompanied by the following documents in triplicate, and
by the following particulars:
2.2.1 a description of the tractor type as regards the particulars referred to
in 1.1;
2.2.2. a list of devices prescribed by the manufacturer for the lighting and
light-signalling assembly. The list may include several types of devicefor each operation. Each type must be duly identified (for examplecomponent type-approval mark, name and address of manufacturer,etc.). The list may also include the following additional particulars inrespect of each operation: ‘or equivalent devices';
2.2.3. layout drawing of the lighting and light-signalling equipment as a
whole, showing the position of the various lamps of the tractor;
2.2.4. layout drawing(s) for each individual lamp showing the illuminating
surfaces as defined in 1.6.
2.3. An unladen tractor fitted with lighting and light-signalling equipment
as described in 2.2.2 and representative of the tractor type to beapproved, must be submitted to the technical authority conductingapproval tests.
2.4. The document provided for in Annex II shall be attached to the
type-approval document.
3. GENERAL SPECIFICATIONS
3.1. The lighting and light-signalling devices must be so fitted that under
normal conditions of use, and notwithstanding any vibration to whichthey may be subjected, they retain the characteristics laid down in thisAnnex and enable the tractor to comply with the requirements of thisAnnex. In particular, it shall not be possible for the adjustment of thelamps to be inadvertently disturbed.
3.1.1. Tractors must be equipped with electrical connectors to enable a
detachable light-signalling system to be used. In particular tractorsmust be fitted with the permanently connected socket outlet recom-mended in standard ISO R 1724 (Electrical connections for vehicleswith 6 or 12 volt electrical systems applying more specifically toprivate motor cars and lightweight trailers or caravans) (first edition,April 1970) or ISO R 1185 (Electrical connections between towingand towed vehicles having 24 volt electrical systems used for inter-national commercial transport purposes) (first edition, March 1970).In the case of standard ISO R 1185, the function of contact 2 shall berestricted to the rear position (side) lamp and to the end-outlinemarker lamp on the left-hand side.
3.2. The illuminating lamps described in 1.5.7, 1.5.8 and 1.5.9 must be so
fitted that a correct setting of their alignment can easily be performed.
3.3. For all light-signalling devices, the reference axis of the lamp when
fitted to the tractor must be parallel with the bearing plane of thetractor on the road and with the longitudinal plane of the tractor. Ineach direction a tolerance of ± 3 °shall be allowed. In addition, any
specific instructions as regards fitting laid down by the manufacturermust be complied with.
3.4. In the absence of specific instructions, the height and alignment of the
lamps shall be checked with the unladen tractor placed on a flat,horizontal surface.
3.5. In the absence of specific requirements, lamps constituting a pair
shall:
3.5.1. be fitted to the tractor symmetrically in relation to the median longitu-
dinal plane;
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3.5.2. be symmetrical to one another in relation to the median longitudinal
plane;
3.5.3. satisfy the same colorimetric characteristics;3.5.4. have substantially identical photometric characteristics.3.6. On tractors whose external shape is asymmetrical, the requirements of
3.5.1 and 3.5.2 shall be satisfied as far as possible. These require-ments shall be regarded as having been met if the distance of the twolamps from the median longitudinal plane and from the bearing planeon the ground is the same
3.7. Lamps having different functions may be independent or be grouped,
combined or reciprocally incorporated in one device, provided thateach such lamp complies with the requirements applicable to it.
3.8. The maximum height above ground shall be measured from the
highest point and the minimum height from the lowest point of theilluminating surface.
3.9. In the absence of specific requirements no lamps other than direction
indicator lamps and the hazard warning signal may emit a flashinglight.
3.10. No red light shall be visible towards the front and no white light other
than that from the reversing lamp or work lamps shall be visibletowards the rear.
This requirement is considered to have been met if:
3.10.1. for the visibility of ared light towa rds the front: there is no direct
visibility of ared light if viewed by a n observer moving within zone 1in a transverse plane situated 25 m in front of the tractor (seeAppendix 2, Figure 1);
3.10.2. for the visibility of a white light towards the rear: there is no direct
visibility of awhite light if viewed by a n observer moving withinzone 2 in a transverse plane situated 25 m behind the tractor (seeAppendix 2, Figure 2).
3.10.3. Zones 1 and 2, as seen by the observer, are limited in their respective
planes as follows:
3.10.3.1. as regards height, by two horizontal planes which ar e1man d2 ·2m
respectively above the ground;
3.10.3.2. as regards width, by two vertical planes which make an angle of 15 °
towards the front and rear respectively, and towards the outside byreference to the median plane of the tractor, passing through the point(or points) of contact of vertical planes which are parallel with themedian longitudinal plane of the tractor, and limiting the overallwidth of the tractor when on wide track.
If there are several points of contact, the one furthest towards the
front shall be selected for zone 1 and the one furthest towards the rearshall be selected for zone 2.
3.11. The electrical connections must be such that the front and rear posi-
tion (side) lamps, the end-outline marker lamps if they exist, and therear registration plate lamp can only be switched on and off simulta-neously.
3.12. The electrical connections must be such that the main-beam and
dipped-beam headlamps, and the front and rear fog lamps cannot beswitched on unless the lamps referred to in 3.11 are also switched on.This requirement shall not apply, however, to main-beam or dipped-beam headlamps when their luminous warnings consist of the inter-mittent lighting up at short intervals of the dipped-beam headlamps orthe intermittent lighting up of the main-beam headlamps or thealternate lighting up at short intervals of the dipped-beam and main-beam headlamps.
3.13. The colours of the light emitted by the lamps or reflectors are as
follows:
— main-beam headlamp: white or selective yellow,
— dipped-beam headlamp: white or selective yellow,— front fog-lamp: white or yellow,— reversing lamp: white,— direction indicator lamp: amber,— hazard-warning signal: amber,
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— stop lamp: red,
— rear registration-plate lamp: white,— front position (side) lamp: white; selective yellow is permitted if
the front position (side) lamp is a selective yellow headlamp,
— rear position (side) lamp: red,— rear fog-lamp: red,— parking lamp: white in front, red at the rear, amber if incorporated
in the side direction indicator lamps,
— work lamp: no specifications,— end-outline marker lamp: white in front, red at the rear,— rear reflex reflector, non-triangular: red.
However, as long as all the requirements necessary for obtaining EEC
vehicle type-approval do not apply, the choice of the colour of thelight emitted by main-beam and dipped-beam headlamps and frontfog-lamps shall be left to the Member States
3.14. The function of the circuit-closed tell-tales may be fulfilled by opera-
tional tell-tales.
3.15. Concealable lamps
3.15.1. The concealment of lamps shall be prohibited, with the exception of
main-beam headlamps, dipped-beam headlamps and front fog-lamps,which may be concealed when not in use.
3.15.2. An illuminating device in the position of use shall remain in that
position if the malfunction referred to in 3.15.2.1 occurs alone or inconjunction with one of the malfunctions described in 3.15.2.2.
3.15.2.1. The absence of power for manipulating the lamp.3.15.2.2. A break, impedance, or short-circuit to earth in the electrical circuit,
defects in the hydraulic or pneumatic leads, Bowden cables, solenoidsor other components controlling or transmitting the energy intended toactivate the concealment device.
3.15.3. In the event of adefect in the concea lment control, aconcea led
lighting device shall be capable of being moved into the position ofuse without the aid of tools.
3.15.4. It must be possible to move illuminating devices into the position of
use and to switch them on by means of a single control, withoutexcluding the possibility of moving them into the position of usewithout switching them on. However, in the case of grouped-main-beam and dipped-beam headlamps, the control referred to above isrequired only to activate the dipped-beam headlamps.
3.15.5. It must not be possible deliberately, from the driver’s seat, to stop the
movement of switched-on headlamps before they reach the position ofuse. If there is a danger of dazzling other road users by the movementof headlamps, they may light up only when they have reached theirfinal position.
3.15.6. At temperatures of − 30 to + 50 °C an illuminating device must be
capable of reaching the fully-open position within three seconds ofinitial operation of the control.
3.16. Variable position lamps
3.16.1. In the case of tractors having a track width of 1 150mm or less, the
position of the direction indicator lamps, the front and rear position(side) lamps and the stop lamps may be varied, provided that:
3.16.1.1. these lamps remain visible even when their position is altered;3.16.1.2. these lamps may be locked in the position required by traffic condi-
tions. Locking must be automatic.
4. INDIVIDUAL SPECIFICATIONS4.1. Main-beam headlamp
4.1.1. Presence
Optional.
4.1.2. Number
Two or four.
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4.1.3. Arrangement
No individual specifications.
4.1.4. Position
4.1.4.1. Width:
The outer edges of the illuminating surface must in no case be closer
to the extreme outer edge of the tractor than the outer edges of theilluminating surface of the dipped-beam headlamps.
4.1.4.2. Height:
No individual specifications.
4.1.4.3. Length:
As near to the front of the tractor as possible; however, the light
emitted must not in any circumstances cause discomfort to the drivereither directly, or indirectly through the rearview mirrors and/or otherreflecting surfaces of the tractor.
4.1.5. Geometric visibility
The visibility of the illuminating surface, including its visibility in
areas which do not appear to be illuminated in the direction ofobservation considered, must be ensured within a divergent spacedefined by generating lines based on the perimeter of the illuminatingsurface and forming an angle of not less than 5 °with the axis of
reference of the headlamp.
4.1.6. Alignment
Towards the front.Apart from the devices necessary to maintain correct adjustment, and
when there are two pairs of main-beam headlamps, one pairconsisting of headlamps functioning as main-beam only, may swivel,according to the angle of lock of the steering, about an axis very nearthe vertical.
4.1.7. May be ‘grouped'
with the dipped-beam headlamp and the other front lamps.
4.1.8. May not be ‘combined'
with any other lamp.
4.1.9. May be ‘reciprocally incorporated'
4.1.9.1. with the dipped-beam headlamp, unless the main-beam headlamp
swivels according to the angle of lock of the steering;
4.1.9.2. with the front position (side) lamp;4.1.9.3. with the front fog-lamp;4.1.9.4. with the parking lamp.4.1.10. Electrical connections
4.1.10.1 The main-beam headlamps may be switched on either simultaneously
or in pairs. For changing over from the dipped to the main beam atleast one pair of main beams must be switched on. For changing overfrom the main to the dipped beam all main-beam headlamps must beswitched off simultaneously.
4.1.10.2. The dipped beams may remain switched on at the same time as the
main beams
4.1.11. Circuit-closed tell-tale
Mandatory.
4.1.12. Other requirements
4.1.12.1. The aggregate maximum intensity of the main beams which can be
switched on simultaneously must not exceed 225 000 cd.
4.1.12.2. This maximum intensity shall be obtained by adding together the
individual maximum intensities measured at the time of componenttype-approval and shown on the relevant approval certificates.
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4.2. Dipped-beam headlamps
4.2.1. Presence
Mandatory.
4.2.2. Number
Two
4.2.3. Arrangement
No individual specifications.
4.2.4. Position
4.2.4.1. Width:
No individual specifications.
4.2.4.2. Height above the ground:4.2.4.2.1. if only two dipped-beam headlamps are fitted:
— minimum 500 mm,
— maximum 1 200 mm.
This distance may be increased to 1 500 mm, if the height of 1 200
mm cannot be observed due to the design, taking account of theconditions of use of the tractor and its working equipment;
4.2.4.2.2. in the case of tractors equipped for the fitting of portable devices at
the front, two dipped-beam headlamps in addition to the lampsmentioned in 4.2.4.2.1 shall be allowed at a height not exceeding2 800 mm if:
— the electrical connections are such that two pairs of dipped-beam
headlamps cannot be switched on at the same time,
— the additional dipped-beam headlamps are reciprocally incor-
porated or grouped with additional front position (side) lamps.
4.2.4.3. Length:
As near to the front of the tractor as possible; however, the light
emitted must not in any circumstances cause discomfort to the drivereither directly or indirectly through the rearview mirrors and/or otherreflecting surfaces of the tractor.
4.2.5. Geometric visibility
Defined by angels αand βas specified in 1.9:
α=1 5 °upwards and 10 °downwards,
β=4 5 °outwards and 5 °inwards.
Within this field, almost the whole of the light-emitting surface of the
light must be visible.
The presence of panels or other items of equipment near the lamp
must not give rise to secondary effects causing discomfort to otherroad users.
4.2.6. Alignment
4.2.6.1. The alignment of the dipped-beam headlamps must not vary
according to the angle of lock of the steering.
4.2.6.2. If the height of the dipped-beam headlamps is equal to or greater than
500 mm and equal to or less than 1 200mm, it must be possible tolower the dipped beam by between 0 ·5an d4% ;
4.2.6.3. If the height of the dipped-beam headlamps is greater than 1 200 but
not greater than 1 500mm, the limit o f4%l ai d down in 4.2.6.2 shall
be increased to 6 %; the dipped-beam headlamps referred to in4.2.4.2.2 must be aligned in such a way that, measured at 15 m fromthe lamp, the horizontal line separating the lit zone from the unlitzone is situated at a height equivalent to only half the distancebetween the ground and the centre of the lamp.
1978L0933 — EN — 21.12.1982 — 001.001 — 13
▼B
4.2.7. May be ‘grouped'
with the main-beam headlamp and the other front lamps.
4.2.8. May not be ‘combined'
with any other lamp
4.2.9. May be ‘reciprocally incorporated'
4.2.9.1. with the main-beam headlamp, unless the latter swivels according to
the angle of lock of the steering;
4.2.9.2. with the other front lamps.4.2.10. Electrical connections
The control for changing over to the dipped beam must switch off all
main-beam headlamps simultaneously.
The dipped beams may remain switched on at the same time as the
main beams.
4.2.11. Circuit-closed tell-tale
Optional
4.2.12. Other requirements
The requirements of 3.5.2 shall not apply to dipped beam headlamps.
4.3. Front fog-lamp
4.3.1. Presence
4.3.2. Number
Two
4.3.3. Arrangement
No individual specifications.
4.3.4. Position
4.3.4.1. Width:
No individual specifications.
4.3.4.2. Height:
Not less than 250 mm above the ground.No point on the illuminating surface must be higher than the highest
point on the illuminating surface of the dipped-beam headlamp.
4.3.4.3. Length:
As near to the front of the tractor as possible; however, the light
emitted must not in any circumstances cause discomfort to the drivereither directly or indirectly through the rearview mirrors and/or otherreflecting surfaces of the tractor.
4.3.5. Geometric visibility
Defined by angles αand βas specified in 1.9:
α=5 °upwards and downwards,
β=4 5 °outwards and 5 °inwards.
4.3.6. Alignment
The alignment of the front fog-lamps must not vary according to the
angle of lock of the steering.
They must be directed forwards without causing undue dazzle or
discomfort to oncoming drivers and other road users.
1978L0933 — EN — 21.12.1982 — 001.001 — 14
▼B
4.3.7. May be ‘grouped'
with other front lamps.
4.3.8. May not be ‘combined'
with other front lamps.
4.3.9. May be ‘reciprocally incorporated'
4.3.9.1. with main-beam headlamps which do not swivel according to the
angle of lock of the steering when there are four headlamps;
4.3.9.2. with the front position (side) lamps;4.3.9.3. with the parking lamp4.3.10. Electrical connections
It must be possible to switch the fog-lamp on and off independently
of the main-beam or dipped-beam headlamps and vice versa.
4.3.11. Circuit-closed tell-tale
Optional.
4.4. Reversing lamps
4.4.1. Presence
Optional.
4.4.2. Number
One or two.
4.4.3. Arrangement
No individual specifications.
4.4.4. Position
4.4.4.1. Width:
No individual specifications.
4.4.4.2. Height:
Not less than 250 mm and not more than 1 200 mm above the ground.
4.4.3. Length:
At the back of the tractor.
4.4.5. Geometric visibility
Defined by angles αand βas specified in 1.9:
α=1 5 °upwards and 5 °downwards,
β=4 5 °to right and left if there is only one lamp,
β=4 5 °outwards and 30 °inwards if there are two.
4.4.6. Alignment
Rearwards
4.4.7. May be ‘grouped'
with any other rear lamp.
4.4.8. May not be ‘combined'
with other lamps.
4.4.9. May not be ‘reciprocally incorporated'
with other lamps.
4.4.10. Electrical connections
It can only light up if the reverse gear is engaged and if the device
which controls the starting or stopping of the engine is in such aposition that operation of the engine is possible.
It must not light up or remain lit up if either of the above conditions is
not satisfied.
1978L0933 — EN — 21.12.1982 — 001.001 — 15
▼B
4.4.11. Tell-tale
Optional.
4.5. Direction-indicator lamp
4.5.1. Presence (see Appendix 3) .
Mandatory. Types of indicators fall into categories (1, 2 and 5) the
assembly of which on one tractor constitutes an arrangement (A to D).
Arrangement A shall be allowed only on tractors whose overall length
does not exceed 4 ·60 m and in the case of which the distance between
the outer edges of the illuminating surfaces is not more than 1 ·60 m.
Arrangements B, C and D shall apply to all tractors.
4.5.2. Number
The number of devices shall be such that they can emit signals which
correspond to one of the arrangements referred to in 4.5.3.
4.5.3. Arrangement (see Appendix 3) .
A — Two front direction indicator lamps (category 1),
— Two rear direction indicator lamps (category 2).
These lamps may be independent, grouped or combined.
B — Two front direction indicator lamps (category 1).
— Two repeating side direction indicator lamps (category 5),— Two rear direction indicator lamps (category 2).
The front and repeating side lamps may be independent, grouped, or
combined.
C — Two front, direction indicator lamps (category 1),
— Two rear direction indicator lamps (category 2),— Two repeating side indicator lamps (category 5).
D — Two front direction-indicator lamps (category 1).
— Two rear direction-indicator lamps (category 2).
4.5.4. Position
4.5.4.1. Width:
The edge of the illuminating surface furthest from the median longitu-
dinal plane of the tractor must not be more than 400 mm from theextreme outer edge of the tractor.
The distance between the inner edges of the two illuminating surfaces
shall be not less than 500 mm.
Where the vertical distance between the rear direction-indicator lamp
and the corresponding rear position (side) lamp is not more than 300mm, the distance between the extreme outer edge of the tractor andthe outer edge of the rear direction-indicator lamp must not exceed bymore than 50 mm the distance between the extreme outer edge of thetractor and the outer edge of the corresponding rear position (side)lamp.
For front direction-indicator lamps the illuminating surface must be
not less than 40 mm from the illuminating surface of the dipped-beamheadlamps or front fog-lamps, if any. A smaller distance is permittedif the luminous intensity in the reference axis of the direction-indi-cator lamp is equal to at least 400 cd.
4.5.4.2. Height:
Above the ground:
— not less than 500 mm for direction-indicator lamps in category 5,
— not less than 400 mm for direction-indicator lamps in categories 1
and 2,
— not more than 1 900 mm for all categories.
If the structure of the tractor makes it impossible to keep to this
maximum figure, the highest point on the illuminating surface may beat 2 300 mm for direction-indicator lamps in category 5, for those incategories 1 and 2 of arrangement A and for those in category 1 ofarrangement B; it may be at 2 100 mm for those in categories 1 and 2of the other arrangements.
1978L0933 — EN — 21.12.1982 — 001.001 — 16
▼B
4.5.4.3. Length:
The distance between the centre of reference of the illuminating
surface of the side direction-indicator lamp (arrangements B and C)and the transverse plane which marks the forward boundary of thetractor’s overall length shall not exceed 1 800 mm. If the structure ofthe tractor makes it impossible to comply with the minimum angles ofvisibility, this distance may be increased to 2 600 mm.
4.5.5. Geometric visibility
Horizontal angle (see Appendix 3).
Vertical angle15°above and below the horizontal. The vertical angle below the
horizontal may be reduced to 10 °in the case of side repeating
direction-indicator lamps of arrangements B and C if their height isless than 1 500 mm. The same applies in the case of directionindicator lamps in category 1 of arrangements B and D.
4.5.6. Alignment
If individual specifications for installation are laid down by the manu-
facturer they must be observed.
4.5.7. May be ‘grouped'
with one or more lamps, which may not be concealed.
4.5.8. May not be ‘combined'
with another lamp, save in accordance with the arrangements referred
to in 4.5.3.
4.5.9. May be ‘reciprocally incorporated'
with a parking lamp only, but solely in the case of direction-indicator
lamps in category 5.
4.5.10. Electrical connections
Direction-indicator lamps shall switch on independently of the other
lamps. All direction-indicator lamps on one side of a tractor shall beswitched on and off by means of one control and must flash in phase.
4.5.11. Operational tell-tale
Mandatory for all direction indicator lamps not directly visible to the
driver. It may be optical or auditory or both.
If it is optical, it shall be a flashing light which, in the event of the
malfunction of any of the direction indicator lamps other than therepeating side direction-indicator lamps, is either extinguished, orremains alight without flashing, or shows a marked change offrequency. If it is entirely auditory, it shall be clearly audible andshall show a marked change of frequency in the event of anymalfunction.
If a tractor is equipped to draw a trailer, it must be equipped with a
special optical operational tell-tale for the direction-indicator lampson the trailer unless the tell-tale of the drawing vehicle allows thefailure of any one of the direction-indicator lamps on the tractorcombination thus formed to be detected.
4.5.12. Other requirements
The light shall be a flashing light flashing 90 ± 30 times per minute.Operation of the light-signal control shall be followed within not
more than one second by the appearance of the light and within notmore than one and one-half seconds by its first extinction.
If a tractor is authorized to draw a trailer, the control of the direction-
indicator lamps on the tractor shall also operate the indicator lamps ofthe trailer.
In the event of failure, other than a short-circuit, of one direction-indi-
cator lamp, the others must continue to flash but the frequency underthis condition may be different from that specified.
4.6. Hazard-warning signal
4.6.1. Presence
Mandatory.
1978L0933 — EN — 21.12.1982 — 001.001 — 17
▼B
4.6.2. Number
4.6.3. Arrangement
4.6.4. Position
4.6.4.1. Width4.6.4.2. Height4.6.4.3. LengthAs specified inthe corresponding
4.6.5. Geometric visibilityheadings of 4.5.
4.6.6. Alignment
4.6.7. May/may not be ‘grouped'
4.6.8. May/may not be ‘combined'
4.6.9. May/may not be ‘reciprocally incorporated'
4.6.10. Electrical connectionsThe signal shall be operated by means of a separate control enablingall the direction-indicator lamps to function in phase.
4.6.11. Circuit-closed tell-taleMandatory. Flashing warning light, which can operate in conjunctionwith the tell-tale(s) specified in 4.5.11.
4.6.12. Other requirementsAs specified in 4.5.12. If a tractor is equipped to draw a trailer thehazard-warning signal control must be also capable of bringing thedirection-indicator lamps on the trailer into action. The hazard-warning signal must be able to function even if the device whichstarts or stops the engine is in a position which makes it impossible tostart the engine.
4.7. Stop lamps
4.7.1. PresenceOptional.
4.7.2. NumberTwo
4.7.3. ArrangementNo individual specifications.
4.7.4. Position
4.7.4.1. Width:
Not less than 500 mm apart. This distance may be reduced to 400 mmif the overall width of the vehicle is less than 1 400 mm.
4.7.4.2. Height:
Above the ground: not less than 400 mm, not more than 1 900 mm or2 100 mm if the shape of the bodywork makes it impossible to keepto 1 900 mm.
4.7.4.3. Length:
At rear of tractor.
4.7.5. Geometric visibilityHorizontal angle45°outwards and inwards.
Vertical angle15°above and below the horizontal. The vertical angle below the
horizontal may be reduced to 10 °in the case of lamps less than 1 500
mm above the ground; to 5 °in the case of lamps less than 750 mm
above the ground.
1978L0933 — EN — 21.12.1982 — 001.001 — 18
▼B
4.7.6. AlignmentTowards the rear of the tractor.
4.7.7. May be ‘grouped'with one or more other rear lamps.
4.7.8. May not be ‘combined'with another lamp.
4.7.9. May be ‘reciprocally incorporated'with the rear position (side) lamp or the parking lamp.
4.7.10. Electrical connectionsmust light up when the service brake is applied.
4.7.11. Operational tell-taleOptional. If it exists, it should be a non-flashing warning light whichcomes on in the event of the malfunctioning of the stop lamps.
4.7.12. Other requirementsThe luminous intensity of the stop lamps must be markedly greaterthan that of the rear position (side) lamps.
4.8. Rear registration plate lamp
4.8.1. PresenceMandatory.
4.8.2. Number
4.8.3. Arrangement
4.8.4. Position
4.8.4.1. WidthSuch that the device is capable of
4.8.4.2. Heightilluminating the space for the regis-tration plate.
4.8.4.3. Length4.8.5. Geometric visibility
4.8.6. Alignment
4.8.7. May be ‘grouped'with one or more rear lamps.
4.8.8. May be ‘combined'with the rear position (side) lamps.
4.8.9. May not be ‘reciprocally incorporated'with another lamp.
4.8.10. Electrical connectionsThe device must light up only at the same time as the rear position(side) lamps.
4.8.11. Circuit-closed tell-taleOptional. If it exists, its function should be performed by the tell-talerequired for the front and rear position (side) lamps.
4.9. Front position (side) lamps
4.9.1. PresenceMandatory.
4.9.2. NumberTwo or four (see 4.2.4.2.2).
4.9.3. ArrangementNo individual specifications
4.9.4. Position
4.9.4.1. Width:
1978L0933 — EN — 21.12.1982 — 001.001 — 19
▼B
The point on the illuminating surface which is farthest from the
tractor’s median longitudinal plane must not be more than 400 mmfrom the extreme outer edge of the tractor.
The clearance between the respective inner edges of the two illumi-
nating surfaces must not be less than 500 mm.
4.9.4.2. Height:
Above the ground: not less than 400 mm, not more than 1 900 mm or
not more then 2 100 mm if the shape of the bodywork makes itimpossible to keep within the 1 900 prescribed above.
4.9.4.3. Length:
No specifications provided that the lamps are aligned forwards and
the angles of geometrical visibility specified in 4.9.5 are compliedwith.
4.9.5. Geometric visibility
Horizontal angleFor the two front position (side) lamps: 10 °inwards and 80 °
outwards. However, the angle of 10 °inward may be reduced to 5 °if
the shape of the bodywork makes it impossible to keep to 10 °For
tractors with an overall width not exceeding 1 400 mm this angle maybe reduced to 3 °if the shape of the bodywork makes it impossible to
keep to 10 °.
Vertical angle15°above and below the horizontal. The vertical angle below the
horizontal may be reduced to 10 °if the height of the lamp above the
ground is less than 1 500 mm, and to 5 °if this height is less than 750
mm.
4.9.6. Alignment
Towards the front.
4.9.7. May be ‘grouped'
with any other front lamp.
4.9.8. May not be ‘combined'
with any other lamps.
4.9.9. May be ‘reciprocally incorporated'
with any other front lamp.
4.9.10. Electrical connections
No individual specifications.
4.9.11. Tell-tale
Mandatory. This tell-tale shall be non-flashing. It shall not be required
if the instrument panel lighting can only be turned on simultaneouslywith the front position (side) lamps.
4.10. Rear position (side) lamps
4.10.1. Presence
Mandatory.
4.10.2. Number
Two.
4.10.3. Arrangement
No individual specifications.
4.10.4. Position
4.10.4.1. Width:
The point on the illuminating surface which is farthest from the
tractor’s median longitudinal plane must not be more than 400 mmfrom the extreme outer edge of the tractor.
1978L0933 — EN — 21.12.1982 — 001.001 — 20
▼B
The distance between the inner edges of the two illuminating surfaces
shall be not less than 500 mm. This distance may be reduced to 400mm where the overall width of the tractor is less than 1 400 mm.
4.10.4.2. Height:
Above the ground: not less than 400 mm, not more than 1 900 mm, or
not more than 2 100 mm if the shape of the bodywork makes itimpossible to keep within 1 900 mm.
4.10.4.3. Length:
At rear of tractor.
4.10.5. Geometric visibility
Horizontal angleFor the two rear position (side) lamps:
— either 45 °inwards and 80 °outwards,
—o r8 0 °inwards and 45 °outwards.
Vertical angle15°above and below the horizontal. The angle below the horizontal
may be reduced to 10 °if the height of the lamp above the ground is
less than 1 500 mm, and to 5 °if this height is less than 750 mm.
4.10.6. Alignment
Towards the rear.
4.10.7. May be ‘grouped'
with any other rear lamp.
4.10.8. May be ‘combined'
with the rear registration-plate lamp.
4.10.9. May be ‘reciprocally incorporated'
with the stop lamp, the rear fog-lamp or the parking lamp.
4.10.10. Electrical connections
No individual specifications.
4.10.11. Circuit-closed tell-tale
Mandatory. It must be combined with that of the front position (side)
lamps.
4.11. Rear fog lamp
4.11.1. Presence
Optional.
4.11.2. Number
One or two.
4.11.3. Arrangement
This must satisfy the conditions of geometric visibility.
4.11.4. Position
4.11.4.1. Width:
If there is only one rear fog lamp, it must be on the opposite side of
the median longitudinal plane of the tractor to the direction of trafficprescribed in the country of registration.
In all cases the distance between the rear fog-lamp and the stop lamp
must be greater than 100 mm.
4.11.4.2. Height:
Above the ground: not less than 400 mm, not more than 1 900 mm, or
not more than 2 100 mm if the shape of the bodywork makes itimpossible to keep within 1 900 mm.
1978L0933 — EN — 21.12.1982 — 001.001 — 21
▼B
4.11.4.3. Length:
At rear of tractor.
4.11.5. Geometric visibility
Horizontal angle25°inwards and outwards.
Vertical angle5°above and below the horizontal.
4.11.6. Alignment
Towards the rear.
4.11.7. May be ‘grouped'
with any other rear lamps.
4.11.8. May not be ‘combined'
with other lamps.
4.11.9. May be ‘reciprocally incorporated'
with rear position (side) lamps or the parking lamp.
4.11.10. Electrical connections
Must be such that the rear fog lamp can light up only when the
dipped-beam headlamps or the front fog-lamps are in use.
If there are front fog-lamps, it must be possible to extinguish the rear
fog-lamp independently of the front fog-lamps.
4.11.11 Circuit-closed tell tale
Mandatory. An independent, fixed-intensity warning light.
4.12. Parking lamp
4.12.1. Presence
Optional.
4.12.2. Number
Dependent upon the arrangement.
4.12.3. Arrangement
— either two front lamps and two rear lamps,
— or one lamp on each side.
4.12.4. Position
4.12.4.1. Width:
The point on the illuminating surface which is farthest from the
median longitudinal plane of the tractor must not be more than 400mm from the extreme outer edge of the tractor. Furthermore, in thecase of a pair of lamps, the lamps must be on the sides of the tractor.
4.12.4.2. Height:
Above the ground: not less than 400 mm, not more than 1 900 mm or
not more than 2 100 mm if the shape of the bodywork makes itimpossible to keep within 1 900 mm.
4.12.4.3. Length:
No individual specifications.
4.12.5. Geometric visibility
Horizontal angle45°outwards, towards, the front and towards the rear.
Vertical angle15°above and below the horizontal. The vertical angle below the
horizontal may be reduced to 10 °if the height of the lamp above the
ground is less than 1 500 mm; and to 5 °if this height is less than 750
mm.
1978L0933 — EN — 21.12.1982 — 001.001 — 22
▼B
4.12.6. AlignmentSuch that the lamps meet the conditions concerning visibility towardsthe front and towards the rear.
4.12.7. May be ‘grouped'with any other lamp.
4.12.8. May not be ‘combined'with other lamps.
4.12.9. May be ‘reciprocally incorporated'— at the front: with the position (side) lamps, the dipped-beam
headlamps, the main-beam headlamps and the front fog-lamps,
— at the rear: with the position (side) lamps, the stop lamps and the
rear fog-lamps.
— with the direction indicator lamps in category 5.
4.12.10. Electrical connectionsThe connections must allow the parking lamp(s) on the same side ofthe tractor to be lit independently of any other lamps.
4.12.11. Tell-taleOptional. If there is one, it must not be possible to confuse it with thetell-tale for the position (side) lamps.
4.12.12. Other requirementsThe function of this lamp may also be performed by simultaneouslyswitching on the front and rear position (side) lamps on the same sideof the tractor.
4.13. End-outline marker lamp
4.13.1. PresenceOptional on tractors exceeding 2 ·10 m in width.
Prohibited on all other tractors.
4.13.2. NumberTwo visible from the front and two visible from the rear.
4.13.3. ArrangementNo individual specifications.
4.13.4. Position
4.13.4.1. Width:
As close as possible to the extreme outer edge of the tractor.
4.13.4.2. Height:
At the maximum height compatible with the requirements relating tothe position as regards width and to the symmetry of the lamps.
4.13.4.3. Length:
No individual specifications.
4.13.5. Geometric visibilityHorizontal angle80°outwards.
Vertical angle5°above and 20 °below the horizontal.
4.13.6. AlignmentSuch that the lamps meet the visibility requirements towards the frontand towards the rear.
4.13.7. May not be ‘grouped'
4.13.8. May not be ‘combined'with other lamps, exceptfor the case referred to in
4.13.9. May not be ‘reciprocally incorporated'4.2.4.2.2.
4.13.10. Electrical connectionsNo individual specifications.
4.13.11. Tell-taleOptional.
1978L0933 — EN — 21.12.1982 — 001.001 — 23
▼B
4.13.12. Other requirements
Subject to all the other conditions being met, the lamp visible from
the front and the lamp visible from the rear, on the same side of thetractor, may be combined in one device.
The position of an end-outline marker lamp in relation to the corre-
sponding position (side) lamp shall be such that the distance betweenthe projections on a transverse vertical plane of the points nearest tothe illuminating surfaces of the two lamps considered is not less than200 mm.
4.14. Rear reflex reflector, non triangular
4.14.1. Presence
Mandatory.
4.14.2. Number
Two or four (see 4.14.5.2.).
4.14.3. Arrangement
No individual specifications.
4.14.4. Position
4.14.4.1. Width:
The point on the illuminating surface which is farthest from the
tractor’s median longitudinal plane must be not more than 400 mmfrom the extreme outer edge of the tractor.
The distance between the interior edges of the reflex reflectors shall
be 600 mm minimum. This distance may be reduced to 400 mm if theoverall width of the tractor is less than 1 300 mm.
4.14.4.2. Height:
Above the ground: not less than 400 mm and not more than 900 mm.
The upper limit may be increased to 1 200 mm if it is not possible tokeep within the height of 900 mm without having to use fixingdevices liable to be easily damaged or bent.
4.14.4.3. Length:
No individual specifications.
4.14.5. Geometric visibility
4.14.5.1. Horizontal angle
30°inwards and outwards.
Vertical angle15°above and below the horizontal. The vertical angle below the
horizontal may be reduced to 5 °if the height of the lamp is less than
750 mm.
4.14.5.2. If it is impossible to observe the above position and visibility require-
ments, four reflex reflectors may be fitted in accordance with thefollowing installation specifications:
4.14.5.2.1 Two reflex reflectors must keep within the maximum height of 900
mm above the ground, observe a distance between the interior edgesof at least 400 mm and have a vertical angle of visibility above thehorizontal of 15 °.
4.14.5.2.2. The other two shall keep within a maximum height of 2 100 mm
above the ground and shall be bound by the requirements of 4.14.4.1and 4.14.5.1.
4.14.6. Alignment
Towards the rear.
4.14.7. May be ‘grouped'
with any other lamp.
4.14.8. Other requirements
The illuminating surface of the reflex reflector may have parts in
common with that of any other rear lamp.
1978L0933 — EN — 21.12.1982 — 001.001 — 24
▼B
4.15. Work lamp
4.15.1. PresenceOptional
4.15.2. NumberNo individual specifications.
4.15.3. Arrangement
4.15.4. Position
4.15.4.1. Width4.15.4.2. HeightNo individual specifica-
4.15.4.3. Lengthtions.
4.15.5. Geometric visibility
4.15.6. Alignment
4.15.7. May not be ‘grouped'
4.15.8 May not be ‘combined' with another lamp.
4.15.9. May not be ‘reciprocally incorporated'
4.15.10 Electrical connectionsThis lamp must be illuminated independently of all other lamps inview of the fact that it does not illuminate the road or act as asignalling device on the road.
4.15.11. Tell-taleOptional.
5. CONFORMITY OF PRODUCTION5.1. Every series-produced tractor shall conform to the tractor type which
received type-approval as regards the installation of lighting andlight-signalling devices and their characteristics as specified by thisDirective.
1978L0933 — EN — 21.12.1982 — 001.001 — 25
▼B
Appendix 1

1978L0933 — EN — 21.12.1982 — 001.001 — 26
▼B
Appendix 2

1978L0933 — EN — 21.12.1982 — 001.001 — 27
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Appendix 3
DIRECTION-INDICATOR LAMP: GEOMETRICAL VISIBILITY

1978L0933 — EN — 21.12.1982 — 001.001 — 28
▼B
ANNEX II
MODEL

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