SIST EN ISO 8437-1:2021
(Main)Snow throwers - Safety requirements and test procedures - Part 1: Terminology and common tests (ISO 8437-1:2019)
Snow throwers - Safety requirements and test procedures - Part 1: Terminology and common tests (ISO 8437-1:2019)
This part of ISO 8437 defines terms and definitions and common test methods applicable to powered walk-behind
and ride-on snow throwers. It is not intended to apply to hand-held snow throwers nor to airport, highway, agricultural or other types of snow removal machines and equipment.
This standard deals with significant hazards, hazardous situations and events relevant to snow throwers used as intended and under the conditions reasonably foreseen by the manufacturer.
Schneefräsen - Sicherheitsanforderungen und Prüfverfahren - Teil 1: Begriffe und allgemeine Prüfverfahren (ISO 8437-1:2019)
Dieser Teil der ISO 8437 definiert die Begriffe und üblichen Prüfverfahren, die auf mitgängergesteuerte Schneefräsen, sowie Schneefräsen mit aufsitzendem Maschinenführer, betrieben von Verbrennungsmotoren, anwendbar sind.
Diese Europäische Norm behandelt die für Schneefräsen zutreffenden signifikanten Gefährdungen, Gefährdungssituationen und -ereignisse, bei denen die Maschine bestimmungsgemäß genutzt wird und unter Bedingungen der fehlerhaften Nutzung, die vom Hersteller vernünftigerweise vorhersehbar sind.
Diese Internationale Norm gilt nicht für:
elektrisch betriebene und batteriebetriebene Schneefräsen
tragbare Schneefräsen
Schneeräummaschinen und Geräte für Flughäfen oder Autobahnen
Maschinen zur Verwendung in explosionsgefährdeten Bereichen
Diese Internationale Norm behandelt keine Gefährdungen in Bezug auf:
Batteriestromkreise, die 42 V überschreiten;
Stromnetzen, die mit dem Anwurfmotor verbunden werden
Erdungsschaltkreise des Magnetzünders;
Arbeitsumgebungen;
die elektromagnetische Verträglichkeit
Diese Internationale Norm gilt nur für Maschinen, die nach dem Datum der Veröffentlichung dieser Norm hergestellt wurden.
Chasse-neige - Exigences de sécurité et essais - Partie 1: Terminologie et essais communs (ISO 8437-1:2019)
Le présent document définit les termes, les définitions et les méthodes d'essai communes qui s'appliquent aux chasse-neige à moteur à combustion à conducteur à pied et à conducteur porté. Il est destiné à être utilisé avec l'ISO 8437‑2, l'ISO 8437‑3 et l'ISO 8437‑4 afin de se conformer pleinement aux exigences et mettre en œuvre tous les moyens de vérification pour les chasse-neige à conducteur à pied et à conducteur porté.
La série ISO 8437 traite des phénomènes dangereux, des situations dangereuses et des événements dangereux significatifs applicables aux chasse-neige lorsqu'ils sont utilisés comme prévu et dans des conditions raisonnablement prévisibles par le fabricant.
Elle ne s'applique pas:
— aux chasse-neige électriques et à batterie;
— aux chasse-neige portatifs;
— aux machines et au matériel de déneigement pour aéroports ou autoroutes;
— aux machines destinées à être utilisées dans des atmosphères explosibles.
Elle ne traite pas des phénomènes dangereux associés:
— aux circuits de batterie dépassant 42 V;
— aux démarreurs raccordés à l'alimentation secteur;
— aux circuits de mise à la masse de la magnéto;
— à l'environnement de travail;
— à la compatibilité électromagnétique.
La série ISO 8437 ne s'applique pas aux machines fabriquées avant sa date de publication.
Snežne freze - Varnostne zahteve in preskusni postopki - 1. del: Terminologija in splošni preskusi (ISO 8437-1:2019)
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN ISO 8437-1:2021
01-junij-2021
Snežne freze - Varnostne zahteve in preskusni postopki - 1. del: Terminologija in
splošni preskusi (ISO 8437-1:2019)
Snow throwers - Safety requirements and test procedures - Part 1: Terminology and
common tests (ISO 8437-1:2019)
Schneefräsen - Sicherheitsanforderungen und Prüfverfahren - Teil 1: Begriffe und
allgemeine Prüfverfahren (ISO 8437-1:2019)
Chasse-neige - Exigences de sécurité et essais - Partie 1: Terminologie et essais
communs (ISO 8437-1:2019)
Ta slovenski standard je istoveten z: EN ISO 8437-1:2021
ICS:
43.160 Vozila za posebne namene Special purpose vehicles
SIST EN ISO 8437-1:2021 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN ISO 8437-1:2021
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SIST EN ISO 8437-1:2021
EN ISO 8437-1
EUROPEAN STANDARD
NORME EUROPÉENNE
April 2021
EUROPÄISCHE NORM
ICS 43.160
English Version
Snow throwers - Safety requirements and test procedures
- Part 1: Terminology and common tests (ISO 8437-
1:2019)
Chasse-neige - Exigences de sécurité et essais - Partie Schneefräsen - Sicherheitsanforderungen und
1: Terminologie et essais communs (ISO 8437-1:2019) Prüfverfahren - Teil 1: Begriffe und allgemeine
Prüfverfahren (ISO 8437-1:2019)
This European Standard was approved by CEN on 8 February 2019.
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, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 8437-1:2021 E
worldwide for CEN national Members.
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SIST EN ISO 8437-1:2021
EN ISO 8437-1:2021 (E)
Contents Page
European foreword . 3
2
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SIST EN ISO 8437-1:2021
EN ISO 8437-1:2021 (E)
European foreword
This document (EN ISO 8437-1:2021) 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 October 2021, and conflicting national standards shall
be withdrawn at the latest by October 2021.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
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, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO 8437-1:2019 has been approved by CEN as EN ISO 8437-1:2021 without any
modification.
3
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SIST EN ISO 8437-1:2021
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SIST EN ISO 8437-1:2021
INTERNATIONAL ISO
STANDARD 8437-1
First edition
2019-07
Snow throwers — Safety requirements
and test procedures —
Part 1:
Terminology and common tests
Chasse-neige — Exigences de sécurité et essais —
Partie 1: Terminologie et essais communs
Reference number
ISO 8437-1:2019(E)
©
ISO 2019
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SIST EN ISO 8437-1:2021
ISO 8437-1:2019(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2019
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved
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SIST EN ISO 8437-1:2021
ISO 8437-1:2019(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
3.1 General . 2
3.2 Snow thrower configurations. 3
4 Common test methods . 4
4.1 General . 4
4.2 Structural integrity of non-metallic snow discharge chutes and deflectors . 4
4.2.1 Test procedure . 4
4.2.2 Test acceptance . 4
4.3 Hot surfaces . 4
4.3.1 Requirement . 4
4.3.2 Verification . 4
4.4 Fuel . 8
4.4.1 Fuel tank overfill test . 8
4.4.2 Fuel line axial pull test . 8
5 Requirements for markings, warnings and labels . 9
5.1 Markings . 9
5.2 Warnings . 9
5.3 Label durability requirements.10
Annex A (informative) Examples of machines covered by this document .11
Bibliography .14
© ISO 2019 – All rights reserved iii
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SIST EN ISO 8437-1:2021
ISO 8437-1:2019(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.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/directives).
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. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following
URL: www .iso .org/iso/foreword .html.
This document was prepared by Technical Committee ISO/TC 23, Tractors and machinery for agriculture
and forestry, Subcommittee SC 13, Powered lawn and garden equipment.
This first edition of ISO 8437-1, together with ISO 8437-2, ISO 8437-3 and ISO 8437-4, cancels and
replaces ISO 8437:1989, which has been technically revised. It also incorporates the Amendment
ISO 8437:1989/Amd.1:1997.
A list of all parts in the ISO 8437 series can be found on the ISO website.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www .iso .org/members .html.
iv © ISO 2019 – All rights reserved
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SIST EN ISO 8437-1:2021
ISO 8437-1:2019(E)
Introduction
The structure of safety standards in the field of machinery is as follows.
a) Type-A standards (basic standards) give basic concepts, principles for design and general aspects
that can be applied to machinery.
b) Type-B standards (generic safety standards) deal with one or more safety aspects or safeguards
that can be used across a wide range of machinery:
1) type-B1 standards on particular safety aspects (e.g. safety distances, surface temperature,
noise);
2) type-B2 standards on safeguards (e.g. two-handed controls, interlocking devices, pressure
sensitive devices, guards).
c) Type-C standards (machinery safety standards) deal with detailed safety requirements for a
particular machine or group of machines.
This document is a type-C standard as stated in ISO 12100.
This document is of relevance, in particular, for the following stakeholder groups representing the
market players with regard to machinery safety:
— machine manufacturers (small, medium and large enterprises);
— health and safety bodies (regulators, accident prevention organizations, market surveillance, etc.).
Others can be affected by the level of machinery safety achieved with the means of the document by the
above-mentioned stakeholder groups:
— machine users/employers (small, medium and large enterprises);
— machine users/employees (e.g. trade unions, organizations for people with special needs);
— service providers, e.g. for maintenance (small, medium and large enterprises);
— consumers (in case of machinery intended for use by consumers).
The above-mentioned stakeholder groups have been given the possibility to participate at the drafting
process of this document.
The machinery concerned and the extent to which hazards, hazardous situations or hazardous events
are covered are indicated in the Scope of this document.
When provisions of this type-C standard are different from those which are stated in type-A or type-B
standards, the provisions of this type-C standard shall take precedence over the provisions of the other
standards for machines that have been designed and built according to the provisions of this type-C
standard.
© ISO 2019 – All rights reserved v
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SIST EN ISO 8437-1:2021
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SIST EN ISO 8437-1:2021
INTERNATIONAL STANDARD ISO 8437-1:2019(E)
Snow throwers — Safety requirements and test
procedures —
Part 1:
Terminology and common tests
1 Scope
This document defines terms and definitions and common test methods applicable to combustion
engine powered pedestrian-controlled and ride-on snow throwers. It is intended to be used with
ISO 8437-2, ISO 8437-3 and ISO 8437-4 to achieve the full requirements and means of verification for
pedestrian-controlled and ride-on snow throwers.
The ISO 8437 series deals with significant hazards, hazardous situations and events relevant to snow
throwers used as intended and under the conditions reasonably foreseeable by the manufacturer.
It does not apply to the following:
— electrically powered and battery powered snow throwers;
— hand-held snow throwers;
— airport or highway snow removal machines and equipment;
— machines intended for use in potentially explosive atmospheres.
It does not deal with hazards related to the following:
— battery circuits exceeding 42 V;
— mains connected starti
...
SLOVENSKI STANDARD
oSIST prEN ISO 8437-1:2016
01-junij-2016
Snežne freze - Varnostne zahteve in preskusni postopki - 1. del: Terminologija in
splošni preskusi (ISO/DIS 8437-1:2016)
Snow throwers - Safety requirements and test procedures - Part 1: Terminology and
common tests (ISO/DIS 8437-1:2016)
Schneefräsen - Sicherheitsanforderungen und Prüfverfahren - Teil 1: Begriffe und
allgemeine Prüfverfahren (ISO/DIS 8437-1:2016)
Chasse-neige - Exigences de sécurité et essais - Partie 1: Terminologie et essais
communs (ISO/DIS 8437-1:2016)
Ta slovenski standard je istoveten z: prEN ISO 8437-1
ICS:
43.160 Vozila za posebne namene Special purpose vehicles
oSIST prEN ISO 8437-1:2016 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
---------------------- Page: 1 ----------------------
oSIST prEN ISO 8437-1:2016
---------------------- Page: 2 ----------------------
oSIST prEN ISO 8437-1:2016
DRAFT INTERNATIONAL STANDARD
ISO/DIS 8437-1
ISO/TC 23/SC 13 Secretariat: ANSI
Voting begins on: Voting terminates on:
2016-04-07 2016-07-06
Snowthrowers — Safety requirements and test
procedures —
Part 1:
Terminology and common tests
Chasse-neige — Exigences de sécurité et essais —
Partie 1: Terminologie et essais communs
ICS: 43.160
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
To expedite distribution, this document is circulated as received from the
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
committee secretariat. ISO Central Secretariat work of editing and text
TECHNOLOGICAL, COMMERCIAL AND
composition will be undertaken at publication stage.
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 8437-1:2016(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
©
PROVIDE SUPPORTING DOCUMENTATION. ISO 2016
---------------------- Page: 3 ----------------------
oSIST prEN ISO 8437-1:2016
ISO/DIS 8437-1:2016(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2016, Published in Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of
the requester.
ISO copyright office
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2016 – All rights reserved
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oSIST prEN ISO 8437-1:2016
ISO/DIS 8437-1:2016(E)
Contents
Foreword. 3
Introduction . 3
1 Scope . 5
2 Normative references. 5
3 Terms and definitions . 6
4 Common test methods. 8
Annex A (normative) .14
Annex B (informative) Examples of machines covered by this standard.16
Bibliography .19
2 © ISO 2016 – All rights reserved
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oSIST prEN ISO 8437-1:2016
ISO/DIS 8437-1:2016(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.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2. www.iso.org/directives
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. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received. www.iso.org/patents
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the meaning of ISO specific terms and expressions related to conformity
assessment, as well as information about ISO's adherence to the WTO principles in the Technical
Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information
ISO 8437 was prepared by Technical Committee ISO/TC 23, Tractors and Machinery for Agriculture and
Forestry, Subcommittee SC 13, Lawn and Garden Equipment.
ISO 8437 consists of the following parts under the general title Snow thrower – Safety requirements
and test procedures:
Part 1: Terminology and common tests
Part 2: Pedestrian controlled snow throwers
Part 3: Ride-on snow throwers
Part 4: National and regional provisions
Introduction
The structure of safety standards in the field of machinery is as follows:
© ISO 2016 – All rights reserved 3
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oSIST prEN ISO 8437-1:2016
ISO/DIS 8437-1:2016(E)
a) Type-A standards (basic standards) give basic concepts, principles for design, and general aspects
that can be applied to machinery;
b) Type-B standards (generic safety standards) deal with one or more safety aspects or safeguards that
can be used across a wide range of machinery:
type-B1 standards on particular safety aspects (e.g. safety distances, surface temperature,
noise);
type-B2 standards on safeguards (e.g. two-handed controls, interlocking devices, pressure
sensitive devices, guards);
c) Type-C standards (machinery safety standards) deal with detailed safety requirements for a
particular machine or group of machines.
This international standard is a type-C standard as stated in ISO 12100.
When provisions of this type-C standard are different from those which are stated in type-A or type-B
standards, the provisions of this type-C standard shall take precedence over the provisions of the other
standards for machines that have been designed and built according to the provisions of this type-C
standard.
4 © ISO 2016 – All rights reserved
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oSIST prEN ISO 8437-1:2016
ISO/DIS 8437-1:2016(E)
Snow throwers – Safety requirements and test procedures – Part 1:
Terminology and common tests
1 Scope
This part of ISO 8437 defines terms and definitions and common test methods applicable to combustion
engine powered walk-behind and ride-on snow throwers.
This standard deals with significant hazards, hazardous situations and events relevant to snow
throwers used as intended and under the conditions reasonably foreseen by the manufacturer.
This international standard does not apply to:
electrically powered and battery powered snow throwers
hand-held snow throwers
airport or highway snow removal machines and equipment
machines intended for use in potentially explosive atmospheres
This international standard does not deal with hazards related to:
battery circuits exceeding 42 V;
mains connected starting motor
magneto grounding circuits;
working environment;
electromagnetic compatibility
This international standard is not applicable to machines which are manufactured before the date of its
publication.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
ISO 3767 – 1 1995 Tractors, machinery for agriculture and forestry, powered lawn and
garden equipment -- Symbols for operator controls and other displays --
Part 1: Common symbols
ISO 3767 – 3 1995 Tractors, machinery for agriculture and forestry, powered lawn and
garden equipment -- Symbols for operator controls and other displays --
Part 3: Symbols for powered lawn and garden equipment
ISO 3864 - 1 2011 Graphical symbols -- Safety colours and safety signs -- Part 1: Design
principles for safety signs in workplaces and public areas
ISO 5673 - 1 2005 Agricultural tractors and machinery -- Power take-off drive shafts and
power-input connection -- Part 1: General manufacturing and safety
requirements
ISO 8437 - 2 201x Snow throwers – Safety requirements and test procedures – Part 2
© ISO 2016 – All rights reserved 5
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oSIST prEN ISO 8437-1:2016
ISO/DIS 8437-1:2016(E)
Pedestrian controlled snow throwers
ISO 8437 - 3 201x Snow throwers – Safety requirements and test procedures – Part 3 Ride-
on snow throwers
ISO 8437 - 4 201x Snow throwers – Safety requirements and test procedures – Part 4
Information on national and regional provisions
ISO 11684 1995 Tractors, machinery for agriculture and forestry, powered lawn and
garden equipment – Safety signs and hazard pictorials – General
principles
Safety of machinery – General principles of design – risk assessment and
ISO 12100 2010
risk reduction
ISO 13857 2008 Safety of machinery -- Safety distances to prevent hazard zones being
reached by upper and lower limbs
3 Terms and definitions
3.1
barrier
vertical plane determined by an obstruction, such as a handle or steering wheel, that restrains the
operator (see Figures 2(a) and 2(b) of ISO 8437-2)
3.2
braking distance
distance travelled between the point of the first application of the brake control and the point at which
the machine comes to rest.
3.3
clutch
device used for engaging or disengaging the load from the power source
3.4
collector
auger or similar device used to gather snow
3.5
collector housing
structure, framework, or integral shields that limit access to, and egress of, material from the collector
3.6
hazard zone
three-dimensional space that might be hazardous for a person to occupy (see Figures 2(a) and 2(b) of
ISO 8437-2 and Figure 2 of ISO 8437-3).
Note to entry: The hazard zone moves with the discharge chute and does not include the space behind the
discharge chute that is guarded by the discharge chute.
3.7
6 © ISO 2016 – All rights reserved
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oSIST prEN ISO 8437-1:2016
ISO/DIS 8437-1:2016(E)
impeller
power-driven device that transfers energy to discharge the snow
Note to entry: When the collecting function of a device is combined with the impelling function, this device will be called an
“impeller”.
3.8
impeller housing
structure, framework, or integral shield that limits access to, and egress of, material from the impeller
3.9
normal operation
use of the machine which is reasonably foreseeable and which is consistent with such activities as
starting, stopping, fuelling, and connecting to (or disconnecting from) a power source, and mounting
and dismounting of ride-on tractors
3.10
operator presence control
(OPC)
control designed so that it will automatically interrupt power to a drive when the operator’s actuating
force is removed
3.11
reject ring
cover having the shape of a ring or disk which is attached to a rotating body (e.g. sidewards of
collector/impeller) to provide protection against drawing-in or trapping
3.12
service
...
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