EN ISO 4254-12:2012

Agricultural machinery - Safety - Part 12: Rotary disc and drum mowers and flail mowers (ISO 4254-12:2012)

ISO 4254-12:2012, where used with ISO 4254-1, specifies the safety requirements and their verification for the design and construction of rotary disc mowers, rotary drum mowers, as used for forage crop harvesting in agriculture only, and flail mowers with a horizontal axis for use in agriculture only, that are mounted, semi-mounted, trailed or self-propelled. It describes methods for the elimination or reduction of hazards arising from the intended use and reasonably foreseeable misuse of these machines by one person (the operator) in the course of normal operation and service. In addition, it specifies the type of information on safe working practices to be provided by the manufacturer.
Flail mowers with a horizontal axis that can be opened at the rear only for maintenance reasons are included.
ISO 4254-12:2012 is also applicable to mowers equipped with a conditioning device and only to mowers intended to work at ground level.
ISO 4254-12:2012, taken together with ISO 4254-1, deals with all the significant hazards, hazardous situations and events (with the exception of noise and vibrations) relevant to rotary disc mowers, rotary drum mowers and flail mowers, when they are used as intended and under the conditions of misuse that are reasonably foreseeable by the manufacturer.
It is not applicable to flail mowers that have the rear part which can be opened for particular field use operations, mowers with an articulated arm, mowers with one or more vertical axes designed for mulching, pedestrian-controlled motor mowers, lawn mowers, inter-row mowing units and machines specifically designed for highway and road maintenance.

Landmaschinen - Sicherheit - Teil 12: Kreiselmähwerke und Schlegelmäher (ISO 4254-12:2012)

Dieser Teil von ISO 4254, sofern gemeinsam mit ISO 4254-1 angewendet, legt die sicherheitstechnischen Anforderungen und deren Überprüfung hinsichtlich der Gestaltung und konstruktiven Ausführung von Scheiben  und Trommelmähwerke (Kreiselmähwerke) für die Ernte von Futterpflanzen und für Schlegelmäher mit horizontaler Achse, die nur in der Landwirtschaft zum Einsatz kommen, die nur in der Landwirtschaft zum Einsatz kommen und die angebaut, aufgesattelt, gezogen oder selbstfahrend sind, fest. Sie beschreibt Maßnahmen zur Vermeidung oder Verminderung von Gefährdungen, die sich aus der bestimmungsgemäßen Verwendung und der vernünftigerweise vorhersehbaren Fehlanwendung dieser Maschinen im Rahmen des normalen Betriebes und der Wartung durch eine Person (Bedienungsperson) ergeben. Außerdem legt sie die Art von Informationen über sichere Arbeitsbedingungen fest, die vom Hersteller zur Verfügung zu stellen sind.
Enthalten sind Schlegelmäher mit horizontaler Achse, die lediglich zu Wartungszwecken auf der Rückseite geöffnet werden können.
Dieser Teil von ISO 4254 gilt auch für Mähwerke, die mit einer Aufbereitungseinrichtung ausgestattet sind.
Dieser Teil von ISO 4254 gilt nur für Mähwerke, die in Bodennähe arbeiten; Beispiele dafür sind A.1 zu entnehmen.
Wenn sich Anforderungen dieses Teils von ISO 4254 von denen unterscheiden, die in ISO 4254-1 festgelegt sind, haben die Anforderungen dieses Teils von ISO 4254 Vorrang gegenüber den Anforderungen von ISO 4254-1 für Maschinen, die nach den Anforderungen dieses Teils von ISO 4254 konzipiert und gebaut worden sind.
Dieser Teil von ISO 4254 zusammen mit ISO 4254 1 angewendet behandelt alle signifikanten Gefährdungen (wie in Tabelle 1 aufgelistet), Gefährdungssituationen und –ereignisse (mit der Ausnahme von Geräuschen und Schwingungen), die für Kreiselmähwerke und Schlegelmäher relevant sind, wenn sie bestimmungsgemäß und unter den Bedingungen der Fehlanwendung, die vom Hersteller vernünftigerweise vorhersehbar sind, angewendet werden (siehe Abschnitt 4).
Sie gilt nicht für (siehe Beispiele in A.2)
-   Schlegelmähwerke, deren hinterer Teil für bestimmte Feldarbeiten geöffnet werden kann;
-   Mähwerke mit Gelenkarm;
-   Mähwerke mit einer oder mehreren vertikalen Achsen, die zum Mulchen vorgesehen sind;
-   mitgängergeführte Motormäher;
-   Rasenmäher;
-   Zwischenreihenmäher;
-   Maschinen, die speziell für den Straßenbetriebsdienst ausgelegt sind.
Dieser Teil von ISO 4254 behandelt nicht Umweltgefährdungen, Straßenverkehrssicherheit und Gefährdungen im Zusammenhang mit bewegten Teilen der Kraftübertragung. Er behandelt nicht Gefährdungen hinsichtlich Wartung oder Reparaturen, die von professionellem Servicepersonal durchzuführen sind.
ANMERKUNG   Besondere Anforderungen in Bezug auf Straßenverkehrsvorschriften werden in diesem Teil von ISO 4254 nicht berücksichtigt.
Dieser Teil von ISO 4254 gilt nicht für Maschinen, die vor dem Datum der Veröffentlichung dieses Dokuments hergestellt wurden.

Matériel agricole - Sécurité - Partie 12: Faucheuses rotatives à disques, faucheuses rotatives à tambours et faucheuses-broyeuses (ISO 4254-12:2012)

L'ISO 4254-12:2012, destinée à être utilisée conjointement avec l'ISO 4254-1, spécifie les exigences de sécurité et leur vérification pour la conception et la construction de faucheuses rotatives à disques et de faucheuses rotatives à tambours, uniquement utilisées en agriculture pour la récolte de fourrage, ainsi que de faucheuses-broyeuses à axe horizontal pour l'agriculture, portées, semi-portées, traînées ou automotrices. Elle décrit des méthodes pour l'élimination ou la réduction de phénomènes dangereux inhérents à l'utilisation normale et à la mauvaise utilisation raisonnablement prévisible de ces machines par une personne (l'opérateur) durant le fonctionnement normal et l'entretien. En outre, elle spécifie le type d'informations que le fabricant doit donner sur les pratiques d'utilisation sûre.
Les faucheuses-broyeuses à axe horizontal pouvant être ouvertes à l'arrière uniquement pour la maintenance sont incluses dans le domaine d'application.
L'ISO 4254-12:2012, est également applicable aux faucheuses équipées d'un dispositif de conditionnement de fourrage et exclusivement applicable aux faucheuses destinées à travailler au niveau du sol.
L'ISO 4254-12:2012, utilisée conjointement avec l'ISO 4254-1, traite tous les phénomènes dangereux, situations et événements dangereux significatifs (à l'exception du bruit et des vibrations) inhérents à ces machines agricoles lorsqu'elles sont utilisées normalement et lorsqu'elles font l'objet d'un mauvais usage raisonnablement prévisible par le fabricant.
L'ISO 4254-12:2012 n'est pas applicable aux faucheuses-broyeuses à axe horizontal pouvant être ouvertes à l'arrière pour des usages particuliers dans les champs, aux faucheuses à bras articulés, aux faucheuses à un ou plusieurs axes verticaux, destinées au broyage, aux motofaucheuses à conducteur à pied, aux tondeuses à gazon, aux faucheuses interlignes, ni aux machines spécialement conçues pour l'entretien des autoroutes et des routes.

Kmetijski stroji - Varnost - 12. del: Rotacijske kosilnice in mulčerji (ISO 4254-12:2012)

Ta del standarda ISO 4254, ki se uporablja skupaj s standardom ISO/FDIS 4254-1:2004, določa varnostne zahteve in njihovo preverjanje za projektiranje ter konstrukcijo rotacijskih kosilnic in mulčerjev z eno ali več vertikalnimi osmi ali horizontalno osjo, nošenih, polnošenih, vlečnih ali z lastnim pogonom. Ta dokument določa tudi vrste informacij o varnih delovnih praksah (vključno z ostalimi tveganji), ki jih mora zagotoviti proizvajalec.

General Information

• Status: Published
• Publication Date: 14-Jun-2012
• Withdrawal Date: 30-Dec-2012
• ICS: 65.060.50 - Harvesting equipment
• Technical Committee: CEN/TC 144 - Tractors and machinery for agriculture and forestry
• Drafting Committee: CEN/TC 144 - Tractors and machinery for agriculture and forestry
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 15-Jun-2012
• Due Date: 07-Oct-2008
• Completion Date: 15-Jun-2012
• Directive: 2006/42/EC - Directive 2006/42/EC of the European Parliament and of the Council of 17 May 2006 on machinery, and amending Directive 95/16/EC (recast)
• Directive: 98/37/EC - Machinery
• Mandate: M/079 - Mandate to CEN and CENELEC for standardization in the field of machines
• Mandate: M/396 - Mandate to CEN and Cenelec for standardisation in the field of machinery
• Ref Project: SIST EN ISO 4254-12:2012 - Agricultural machinery - Safety - Part 12: Rotary mowers and flail-mowers (ISO 4254-12:2012)

Relations

• Replaces: EN 745:1999+A1:2009 - Agricultural machinery - Rotary mowers and flail-mowers - Safety
• Effective Date: 27-Jun-2012
• Amended By: EN ISO 4254-12:2012/A1:2017 - Agricultural machinery - Safety - Part 12: Rotary disc and drum mowers and flail mowers (ISO 4254-12:2012/Amd 1:2017)
• Effective Date: 24-Jun-2015
• Revised: EN 745:1999 - Agricultural machinery - Rotary mowers and flail-mowers - Safety
• Effective Date: 22-Dec-2008

Standards Content (Sample)

SLOVENSKI STANDARD
01-september-2012
1DGRPHãþD
SIST EN 745:1999+A1:2009
.PHWLMVNLVWURML9DUQRVWGHO5RWDFLMVNHNRVLOQLFHLQPXOþHUML,62

Agricultural machinery - Safety - Part 12: Rotary mowers and flail-mowers (ISO 4254-
12:2012)
Landmaschinen - Sicherheit - Teil 12: Kreiselmähwerke und Schlegelmäher (ISO 4254-
12:2012)
Matériel agricole - Sécurité - Partie 12: Faucheuses rotatives et faucheuses broyeuses
(ISO 4254-12:2012)
Ta slovenski standard je istoveten z: EN ISO 4254-12:2012
ICS:
65.060.50 Oprema za spravilo pridelkov Harvesting equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN ISO 4254-12
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2012
ICS 65.060.50 Supersedes EN 745:1999+A1:2009
English Version
Agricultural machinery - Safety - Part 12: Rotary disc and drum
mowers and flail mowers (ISO 4254-12:2012)
Matériel agricole - Sécurité - Partie 12: Faucheuses Landmaschinen - Sicherheit - Teil 12: Kreiselmähwerke
rotatives à disques, faucheuses rotatives à tambours et und Schlegelmäher (ISO 4254-12:2012)
faucheuses-broyeuses (ISO 4254-12:2012)
This European Standard was approved by CEN on 23 June 2012.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same
status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2012 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 4254-12:2012: E
worldwide for CEN national Members.

Contents Page
Foreword .3
Annex ZA (informative) Relationship between this European Standard and the Essential
Requirements of EU Directive 2006/42/EC .4

Foreword
This document (EN ISO 4254-12:2012) has been prepared by Technical Committee ISO/TC 23 "Tractors and
machinery for agriculture and forestry" in collaboration with Technical Committee CEN/TC 144 “Tractors and
machinery for agriculture and forestry” the secretariat of which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an identical
text or by endorsement, at the latest by December 2012, and conflicting national standards shall be withdrawn
at the latest by December 2012.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 745:1999+A1:2009.
It is intended to be used together with EN ISO 4254-1:2009 "Agricultural machinery - Safety - Part 1: General
requirements (ISO 4254-1:2008)" and EN 15811:2009 "Agricultural machinery - Guards for moving parts of
power transmission - Guard opening with tool (ISO/TS 28923:2007 modified)".
This second edition cancels and replaces the first edition (EN 745:1999+A1:2009), which has been technically
revised.
The following major changes were introduced:
 requirements related to the scope and an enlargement to include rotary disc mowers, rotary drum mowers
and flail mowers with a horizontal axis;
 requirements related to the protection against inadvertent contact with the cutting elements, with new and
additional test criteria;
 requirements related to thrown object tests, with inclusion of two new parts to a revised standard
(ISO 17101), have been introduced with increased criteria for rotary and flail mower machines.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association, and supports essential requirements of EU Directive(s).
For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland, Turkey and the United Kingdom.
Endorsement notice
The text of ISO 4254-12:2012 has been approved by CEN as a EN ISO 4254-12:2012 without any
modification.
Annex ZA
(informative)
Relationship between this European Standard and the Essential
Requirements of EU Directive 2006/42/EC
This European Standard has been prepared under a mandate given to CEN by the European Commission
and the European Free Trade Association to provide a means of conforming to Essential Requirements of the
New Approach Directive 2006/42/EC on machinery.
Once this standard is cited in the Official Journal of the European Union under that Directive and has been
implemented as a national standard in at least one Member State, compliance with the normative clauses of
this standard confers, within the limits of the scope of this standard, a presumption of conformity with the
relevant Essential Requirements, except Essential Requirement(s) for all machines: 1.1.7, 1.2.1, 1.3.2,
1.3.8.1, 1.4.2.1 (2nd paragraph), 1.7.4.2 u), 3.3.1, and additionally for self-propelled machines: 1.1.4, 1.1.8,
1.5.5, 1.5.9, 3.3.2, 3.3.3, 3.4.3, 3.6.3.1 of that Directive and associated EFTA regulations.
WARNING Other requirements and other EU Directives may be applicable to the product(s) falling
within the scope of this standard.

INTERNATIONAL ISO
STANDARD 4254-12
First edition
2012-06-15
Agricultural machinery — Safety —
Part 12:
Rotary disc and drum mowers and flail
mowers
Matériel agricole — Sécurité —
Partie 12: Faucheuses rotatives à disques, faucheuses rotatives à
tambours et faucheuses-broyeuses

Reference number
ISO 4254-12:2012(E)
©
ISO 2012
ISO 4254-12:2012(E)
©  ISO 2012
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means,
electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or
ISO's member body in the country of the requester.
ISO copyright office
Case postale 56  CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail [e-mail]
Web www.iso.org
Published in Switzerland
ii © ISO 2012 – All rights reserved

ISO 4254-12:2012(E)
Contents Page
Foreword . iv
Introduction . v
1  Scope . 1
2  Normative references . 2
3  Terms and definitions . 2
4  List of significant hazards . 3
5  Safety requirements and/or protective measures . 5
5.1  General . 5
5.2  Protection against inadvertent contact with the cutting elements . 5
5.3  Protection against thrown objects that are not part of the machine . 13
5.4  Protection during handling and transport . 13
5.5  Additional safety requirements for conditioning devices as an attachment or an integral
part of the rotary disc or drum mower . 13
5.6  Controls for adjustments . 19
5.7  Blades . 19
5.8  Overrunning clutch or freewheel device . 19
5.9  Implement hitch or carrier frame . 19
6  Verification of safety requirements and/or protective measures . 19
6.1  General . 19
6.2  Thrown object test . 19
6.3  Protective skirts test . 20
7  Information for use . 20
7.1  Operator's manual . 20
7.2  Marking . 21
Annex A (informative) Illustrations of mowers . 22
Bibliography . 28

ISO 4254-12:2012(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 4254-12 was prepared by Technical Committee ISO/TC 23, Tractors and machinery for agriculture and
forestry, Subcommittee SC 7, Equipment for harvesting and conservation.
ISO 4254 consists of the following parts, under the general title Agricultural machinery — Safety:
1)
 Part 1: General requirements
 Part 5: Power-driven soil-working machines
 Part 6: Sprayers and liquid fertilizer distributors
 Part 7: Combine harvesters, forage harvesters and cotton harvesters
 Part 8: Solid fertilizer distributors
 Part 9: Seed drills
 Part 10: Rotary tedders and rakes
 Part 11: Pick-up balers
 Part 12: Rotary disc and drum mowers and flail mowers
2)
 Part 13: Large rotary mowers
The following part is under preparation:
 Part 14: Mounted, semi-mounted and trailed bale wrappers
Part 2, Anhydrous ammonia applicators, has been withdrawn; Part 3, Tractors, has been cancelled and is
replaced by ISO 26322 (all parts), Tractors for agriculture and forestry — Safety; and Part 4, Forestry
winches, has been cancelled and replaced by ISO 194
...