IEC 60745-2-13:2006

Hand-held motor-operated electric tools - Safety - Part 2-13: Particular requirements for chain saws

Applies to chain saws for cutting wood and designed for use by one person. This standard does not cover chain saws designed for use in conjunction with a guide-plate and riving knife or in any other way such as with a support or as a stationary or transportable machine. Does not apply to chain saws for tree service as defined in ISO 11681-2, pole cutters and pruners.

Outils électroportatifs à moteur - Sécurité - Partie 2-13: Règles particulières pour les scies à chaîne

S'applique aux scies à chaîne destinées à couper du bois et conçues pour être utilisées par une seule personne. Cette norme ne s'applique pas aux scies à chaîne conçues pour être utilisées conjointement avec un guide-chaîne et un couteau diviseur ou de toute autre manière telle qu'avec un support ou comme une machine fixe ou transportable. Ne s'applique pas aux scies à chaîne pour l'élagage des arbres comme défini dans l'ISO 11681-2, les scies à perche et les perches élagueuses.

General Information

• Status: Published
• Publication Date: 19-Mar-2006
• ICS: 25.140.20 - Electric tools
• ICS: 65.060.80 - Forestry equipment
• Technical Committee: TC 116 - Safety of motor-operated electric tools
• Drafting Committee: MT 3 - TC 116/MT 3
• Current Stage: PPUB - Publication issued
• Start Date: 15-May-2006
• Completion Date: 20-Mar-2006

Relations

• Amended By: IEC 60745-2-13:2006/AMD1:2009 - Amendment 1 - Hand-held motor-operated electric tools - Safety - Part 2-13: Particular requirements for chain saws
• Effective Date: 05-Sep-2023

Overview

IEC 60745-2-13:2006 is an international standard published by the International Electrotechnical Commission (IEC) that specifies safety requirements for hand-held motor-operated electric tools, specifically focusing on chain saws used for cutting wood by a single operator. This standard excludes chain saws designed for use with guide-plates and riving knives, as well as chain saws used in tree service, pole cutters, and pruners covered under ISO 11681-2.

As a particular part of the IEC 60745 series, this document complements the general safety requirements outlined in IEC 60745-1, tailoring additional rules and tests specific to chain saws. It addresses mechanical, electrical, and operational safety aspects to minimize hazards related to these powerful tools.

Key Topics

• Scope and Classification
  The standard applies exclusively to hand-held electric chain saws designed for wood cutting by one person. It clearly excludes stationary, transportable machines, and specialized forestry tools such as pole cutters.

• Markings and Instructions
  Detailed requirements for safety warnings, labeling, and user instructions ensure operators receive clear guidance on safe use, maintenance, and hazard awareness.

• Mechanical Hazards and Protection
  Measures include protection against contact with moving parts, chain brake performance, hand guards, chain catchers, spiked bumpers, and systems to reduce kickback risks. It also covers ergonomic handle design and balance considerations to enhance operator safety.

• Electrical Safety
  The document defines parameters for insulation, protection against live parts, leakage current limits, overload protection, and resistance to moisture, heat, and mechanical stresses. It sets the foundation for reliable electrical operation under typical and abnormal conditions.

• Durability and Mechanical Strength
  Testing procedures for endurance, mechanical strength of handles and guards, and resistance to damage ensure the chainsaws maintain safety integrity throughout their service life.

• Additional Safety Features
  Requirements for the chain tension mechanism, automatic oilers, and run-down time after switching off are specified to reduce operational risks.

Applications

• Professional Woodcutting
  Manufacturers and safety engineers use IEC 60745-2-13 to design and assess chainsaws intended for manual woodcutting tasks, ensuring compliance with international safety benchmarks.

• Consumer Safety Compliance
  Regulators and certification bodies rely on this standard to verify chainsaw safety before market approval, protecting end users from electrical and mechanical hazards.

• Product Development and Testing
  The detailed mechanical and electrical test conditions help manufacturers optimize chainsaw reliability and operator safety, facilitating innovation within standardized safety limits.

• Training and Instruction Material
  The annexes offer guidance on proper felling, limbing, and cross-cutting techniques, aiding in the development of user manuals and training programs aligned with safety best practices.

Related Standards

• IEC 60745-1: Hand-held Motor-operated Electric Tools – Safety – Part 1: General Requirements
  Provides foundational safety requirements applicable to all hand-held motor-operated electric tools, including electrical and mechanical hazard controls.

• ISO 11681-2: Forestry Equipment – Chain Saws for Tree Service
  Specifies safety rules for professional forestry tools like pole cutters and pruners, which are beyond the scope of IEC 60745-2-13.

• National and Regional Standards
  Many countries adopt IEC 60745-2-13 as a basis for their national regulation of chain saw safety, sometimes incorporating additional requirements.

• Battery Tool Safety Standards (Annex K & L)
  Covers battery-powered chain saws and those with mains-connected battery packs, supplementing the electrical safety evaluation for cordless tools.

---

By adhering to IEC 60745-2-13:2006, manufacturers and users of electric chain saws significantly reduce risks of mechanical injury and electrical hazards, promoting safer operation and enhanced product reliability. This standard remains essential for compliance in diverse markets and underpins global efforts toward safer hand-held electric tools.

Standards Content (Sample)

NORME CEI
INTERNATIONALE
IEC
60745-2-13
INTERNATIONAL
Deuxième édition
STANDARD
Second edition
2006-03
Outils électroportatifs à moteur –
Sécurité –
Partie 2-13:
Règles particulières pour les scies à chaîne

Hand-held motor-operated electric tools –
Safety –
Part 2-13:
Particular requirements for chain saws

Numéro de référence
Reference number
CEI/IEC 60745-2-13:2006
Numérotation des publications Publication numbering
Depuis le 1er janvier 1997, les publications de la CEI As from 1 January 1997 all IEC publications are
sont numérotées à partir de 60000. Ainsi, la CEI 34-1 issued with a designation in the 60000 series. For
devient la CEI 60034-1. example, IEC 34-1 is now referred to as IEC 60034-1.
Editions consolidées Consolidated editions
Les versions consolidées de certaines publications de la The IEC is now publishing consolidated versions of its
CEI incorporant les amendements sont disponibles. Par publications. For example, edition numbers 1.0, 1.1
exemple, les numéros d’édition 1.0, 1.1 et 1.2 indiquent and 1.2 refer, respectively, to the base publication,
respectivement la publication de base, la publication de the base publication incorporating amendment 1 and
base incorporant l’amendement 1, et la publication de the base publication incorporating amendments 1
base incorporant les amendements 1 et 2. and 2.
Informations supplémentaires Further information on IEC publications
sur les publications de la CEI
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constamment revu par la CEI afin qu'il reflète l'état under constant review by the IEC, thus ensuring that
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nibles dans le Catalogue des publications de la CEI available in the IEC Catalogue of publications
(voir ci-dessous) en plus des nouvelles éditions, (see below) in addition to new editions, amendments
amendements et corrigenda. Des informations sur les and corrigenda. Information on the subjects under
sujets à l’étude et l’avancement des travaux entrepris consideration and work in progress undertaken by the
par le comité d’études qui a élaboré cette publication, technical committee which has prepared this
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NORME CEI
INTERNATIONALE
IEC
60745-2-13
INTERNATIONAL
Deuxième édition
STANDARD
Second edition
2006-03
Outils électroportatifs à moteur –
Sécurité –
Partie 2-13:
Règles particulières pour les scies à chaîne

Hand-held motor-operated electric tools –
Safety –
Part 2-13:
Particular requirements for chain saws

 IEC 2006 Droits de reproduction réservés  Copyright - all rights reserved
Aucune partie de cette publication ne peut être reproduite ni No part of this publication may be reproduced or utilized in any
utilisée sous quelque forme que ce soit et par aucun procédé, form or by any means, electronic or mechanical, including
électronique ou mécanique, y compris la photocopie et les photocopying and microfilm, without permission in writing from
microfilms, sans l'accord écrit de l'éditeur. the publisher.
International Electrotechnical Commission, 3, rue de Varembé, PO Box 131, CH-1211 Geneva 20, Switzerland
Telephone: [phone] Telefax: [phone] E-mail: [e-mail] Web: www.iec.ch
CODE PRIX
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PRICE CODE
Commission Electrotechnique Internationale
International Electrotechnical Commission
МеждународнаяЭлектротехническаяКомиссия
Pour prix, voir catalogue en vigueur
For price, see current catalogue

– 2 – 60745-2-13  CEI:2006
SOMMAIRE
AVANT-PROPOS .6
1 Domaine d’application.12
2 Références normatives .12
3 Termes et définitions .14
4 Exigences générales.16
5 Conditions générales d’essais.16
6 Vacant.16
7 Classification .16
8 Marquages et instructions .18
9 Protection contre l’accès aux parties actives .22
10 Démarrage .22
11 Puissance et courant .22
12 Echauffements.22
13 Courant de fuite.24
14 Résistance à l’humidité .24
15 Rigidité électrique .24
16 Protection contre la surcharge des transformateurs et des circuits associés .24
17 Endurance .24
18 Fonctionnement anormal.24
19 Dangers mécaniques .24
20 Résistance mécanique.32
21 Construction .32
22 Conducteurs internes.36
23 Eléments constitutifs.36
24 Raccordement au réseau et câbles souples extérieurs .36
25 Bornes pour conducteurs externes .36
26 Dispositions de la mise à la terre .36
27 Vis et connexions .36
28 Lignes de fuite, distances dans l’air et distances à travers l’isolation .36
29 Résistance à la chaleur, au feu et aux courants de cheminement .36
30 Protection contre la rouille .36
31 Rayonnement, toxicité et dangers analogues.36

Annexes.50
Annexe K (normative) Outils fonctionnant sur batteries et blocs de batteries .50
Annexe L (normative) Outils fonctionnant sur batteries et blocs de batteries équipés
d’une connexion avec le réseau ou avec des sources non isolées.50
Annexe AA (normative) Symboles pour recommandations de sécurité et mises en garde .52
Annexe BB (informative) Instructions concernant les techniques appropriées de
l’abattage, de l’ébranchage et du tronçonnage.54

Bibliographie .64

60745-2-13  IEC:2006 – 3 –
CONTENTS
FOREWORD.7
1 Scope .13
2 Normative references.13
3 Terms and definitions.15
4 General requirements .17
5 General conditions for the tests.17
6 Void.17
7 Classification .17
8 Marking and instructions .19
9 Protection against access to live parts.23
10 Starting.23
11 Input and current .23
12 Heating.23
13 Leakage current.25
14 Moisture resistance.25
15 Electric strength.25
16 Overload protection of transformers and associated circuits .25
17 Endurance .25
18 Abnormal operation.25
19 Mechanical hazards .25
20 Mechanical strength.33
21 Construction .33
22 Internal wiring .37
23 Components .37
24 Supply connection and external flexible cords .37
25 Terminals for external conductors .37
26 Provision for earthing.37
27 Screws and connections .37
28 Creepage distances, clearances and distances through insulation .37
29 Resistance to heat, fire and tracking .37
30 Resistance to rusting .37
31 Radiation, toxicity and similar hazards.37

Annexes.51
Annex K (normative) Battery tools and battery packs .51
Annex L (normative) Battery tools and battery packs provided with mains connection or
non-isolated sources .51
Annex AA (normative) Symbols for safety recommendations and warnings.53
Annex BA (informative) Instructions concerning the proper techniques for basic felling,
limbing, and cross-cutting.55

Bibliography .65

– 4 – 60745-2-13  CEI:2006
Figure 101 – Nomenclature des scies à chaîne.38
Figure 102 – Longueur de coupe .40
Figure 103 – Préhension de la scie à chaîne .40
Figure 104 – Dimensions minimales du protecteur de main tenant la poignée arrière .42
Figure 105 – Sonde d’essai droite .42
Figure 106 – Essai du frein de chaîne.44
Figure 107 – Essai statique pour la force de relâchement .46
Figure 108 – Protecteur d’extrémité de guide-chaîne .46
Figure 109 – Zone de préhension de la poignée.48
Figure 110 – Dispositif d’essai d’impact pour l’isolation de la poignée .48
Figure BB.101 – Description de l’abattage: parcours d’évacuation.58
Figure BB.102 – Description de l’abattage: exécution de l’entaille .58
Figure BB.103 – Ébranchage d’arbre .60
Figure BB.104 – Rondin reposant sur toute sa longueur.60
Figure BB.105 – Rondin reposant sur une seule extrémité .60
Figure BB.106 – Rondin reposant sur ses deux extrémités .62
Figure BB.107 – Tronçonnage d’un rondin .62

60745-2-13  IEC:2006 – 5 –
Figure 101 – Chain saw nomenclature .39
Figure 102 – Cutting length .41
Figure 103 – Holding the chain saw .41
Figure 104 – Minimum rear hand guard dimensions .43
Figure 105 – Straight test probe .43
Figure 106 – Chain brake test.45
Figure 107 – Static test for release force .47
Figure 108 – Bar tip guard.47
Figure 109 – Handle gripping area.49
Figure 110 – Impact text fixture for handle insulation .49
Figure BB.101 – Description of felling: escape routes .59
Figure BB.102 – Description of felling: undercutting .59
Figure BB.103 – Tree limbing .61
Figure BB.104 – Log supported along the entire length .61
Figure BB.105 – Log supported one end .61
Figure BB.106 – Log supported both ends .63
Figure BB.107 – Bucking a log.63

– 6 – 60745-2-13  CEI:2006
COMMISSION ÉLECTROTECHNIQUE INTERNATIONALE
____________
OUTILS ÉLECTROPORTATIFS À MOTEUR –
SÉCURITÉ –
Partie 2-13: Règles particulières pour les scies à chaîne

AVANT-PROPOS
1) La Commission Electrotechnique Internationale (CEI) est une organisation mondiale de normalisation composée
de l'ensemble des comités électrotechniques nationaux (Comités nationaux de la CEI). La CEI a pour objet de
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La Norme internationale CEI 60745-2-13 a été établie par le sous-comité 61F: Sécurité des
outils électroportatifs à moteur, du comité d'études 61 de la CEI: Sécurité des appareils
électrodomestiques et analogues.
Cette deuxième édition annule et remplace la première édition parue en 1989. Cette édition
constitue une révision technique. Les modifications principales comprennent l’Article 8:
Marquages et instructions, introduisant le détail des mises en garde de sécurité, l’Article 19:
Dangers mécaniques, avec des exigences pour les poignées, les protège-mains, la protection
des parties mobiles, l’enrouleur de chaîne, la griffe d’abattage, le frein de chaîne, l’angle de
rebond calculé, le protecteur de chaîne, la tension de la chaîne coupante, la burette à huile,
l’équilibre et le temps d’arrêt du moteur, l’Article 20: Résistance mécanique, avec des
exigences pour les poignées et les protège-mains, l’Article 21: Construction, avec des
exigences pour l’isolation des boutons et des poignées.

60745-2-13  IEC:2006 – 7 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HAND-HELD MOTOR-OPERATED ELECTRIC TOOLS –
SAFETY–
Part 2-13: Particular requirements for chain saws

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
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indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 60745-2-13 has been prepared by subcommittee 61F: Safety of
hand-held motor-operated electric tools, of IEC technical committee 61: Safety of household
and similar electrical appliances.
This second edition cancels and replaces the first edition published in 1989. This edition
constitutes a technical revision. Main changes include Clause 8: Markings and instructions,
introducing detailed safety warnings; Clause 19: Mechanical hazards, with requirements for
handles, hand guards, guarding of moving parts, chain catcher, spiked bumper, chain brake,
computed kickback angle, guide bar cover, saw chain tension, oiler, balance and run down
time; Clause 20: Mechanical strength, with requirements for handles and hand guards; Clause
21: Construction, with requirements for the insulation of knobs and handles.

– 8 – 60745-2-13  CEI:2006
Le texte de cette norme est issu des documents suivants:
FDIS Rapport de vote
61F/625/FDIS 61F/637/RVD
Le rapport de vote indiqué dans le tableau ci-dessus donne toute information sur le vote ayant
abouti à l’approbation de cette norme.
Cette publication a été rédigée selon les Directives ISO/CEI, Partie 2.
Cette partie 2 doit être utilisée conjointement à la dernière édition de la CEI 60745-1, Outils
électroportatifs à moteur – Sécurité – Partie 1: Règles générales, et ses amendements. Elle a
été établie sur la base de la quatrième édition (2006) de cette norme.
NOTE 1 L’expression «Partie 1» utilisée dans la présente norme fait référence à la CEI 60745-1.
La présente partie 2 complète ou modifie les articles correspondants de la CEI 60745-1, de
façon à transformer cette publication en norme CEI: Règles particulières pour les scies à
chaîne.
Lorsqu'un paragraphe particulier de la Partie 1 n'est pas mentionné dans cette partie 2, ce
paragraphe s'applique pour autant qu’il est raisonnable. Lorsque la présente norme spécifie
«addition», «modification» ou «remplacement», le texte correspondant de la Partie 1 doit être
adapté en conséquence.
NOTE 2 Le système de numérotation suivant est utilisé:
– les paragraphes, les points, les tableaux et les figures qui sont numérotés à partir de 101 viennent en
supplément de ceux de la Partie 1;
– les annexes supplémentaires sont appelées AA, BB, etc.
NOTE 3 Dans la présente norme, les caractères d’imprimerie suivants sont utilisés:
– exigences: caractères romains;
– modalités d'essais: caractères italiques;
– notes: petits caractères romains.
La CEI 60745 comprend les parties suivantes, présentées sous le titre général Outils électro-
portatifs à moteur – Sécurité:
Partie 1: Règles générales
Partie 2-1: Règles particulières pour les perceuses
Partie 2-2: Règles particulières pour les visseuses
Partie 2-3: Règles particulières pour les meuleuses, lustreuses et ponceuses du type à
disque
Partie 2-4: Règles particulières pour les ponceuses et lustreuses, autres que du type à
disque
Partie 2-5: Règles particulières pour les scies circulaires
Partie 2-6: Règles particulières pour les marteaux
Partie 2-7: Règles particulières pour les pistolets pour liquides non inflammables
Partie 2-8: Règles particulières pour les cisailles à métaux et les grignoteuses
Partie 2-9: Règles particulières pour les taraudeuses
Partie 2-11: Règles particulières pour les scies alternatives (scies sauteuses et scies
sabres)
Partie 2-12: Règles particulières pour les vibreurs à béton

60745-2-13  IEC:2006 – 9 –
The text of this standard is based on the following documents:
FDIS Report on voting
61F/625/FDIS 61F/637/RVD
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
This part 2 is to be used in conjunction with the latest edition of IEC 60745-1, Hand-held motor-
operated electric tools – Safety – Part 1: General requirements, and its amendments. It was
established on the basis of the fourth edition (2006) of that standard.
NOTE 1 When “Part 1” is mentioned in this standard, it refers to IEC 60745-1.
This part 2 supplements or modifies the corresponding clauses of IEC 60745-1, so as to
convert that publication into the IEC standard: Safety requirements for chain saws.
When a particular subclause of Part 1 is not mentioned in this part 2, that subclause applies as
far as is reasonable. When this standard states “addition”, “modification” or “replacement”, the
relevant text in Part 1 is to be adapted accordingly.
NOTE 2 The following numbering system is used:
– subclauses, items, tables and figures that are numbered starting from 101 are additional to those in Part 1;
– additional annexes are lettered AA, BB, etc.
NOTE 3 In this standard, the following print types are used:
– requirements: in roman type;
– test specifications: in italic type;
– notes: in smaller roman type.
IEC 60745 consists of the following parts, under the general title Hand-held motor-operated
electric tools – Safety:
Part 1: General requirements
Part 2-1: Particular requirements for drills and impact drills
Part 2-2: Particular requirements for screwdrivers and impact wrenches
Part 2-3: Particular requirements for grinders, polishers and disk-type sanders
Part 2-4: Particular requirements for sanders and polishers other than disk type
Part 2-5: Particular requirements for circular saws
Part 2-6: Particular requirements for hammers
Part 2-7: Particular requirements for spray guns for non-flammable liquids
Part 2-8: Particular requirements for shears and nibblers
Part 2-9: Particular requirements for tappers
Part 2-11: Particular requirements for reciprocating saws (jig and sabre saws)
Part 2-12: Particular requirements for concrete vibrators

– 10 – 60745-2-13  CEI:2006
Partie 2-13: Règles particulières pour les scies à chaîne
Partie 2-14: Règles particulières pour les rabots
Partie 2-15: Règles particulières pour les taille-haies
Partie 2-16: Règles particulières pour les agrafeuses
Partie 2-17: Règles particulières pour les défonceuses et les affleureuses
Partie 2-18: Règles particulières pour les outils de cerclage
Partie 2-19: Règles particulières pour les mortaiseuses
Partie 2-20: Règles particulières pour les scies à ruban
Partie 2-21: Règles particulières pour les curettes

Le comité a décidé que le contenu de cette publication ne sera pas modifié avant la date de
maintenance indiquée sur le site web de la CEI sous «http://webstore.iec.ch» dans les données
relatives à la publication recherchée. A cette date, la publication sera
• reconduite;
• supprimée;
• remplacée par une édition révisée, ou
• amendée.
60745-2-13  IEC:2006 – 11 –
Part 2-13: Particular requirements for chain saws
Part 2-14: Particular requirements for planers
Part 2-15: Particular requirements for hedge trimmers
Part 2-16: Particular requirements for tackers
Part 2-17: Particular requirements for routers and trimmers
Part 2-18: Particular requirements for strapping tools
Part 2-19: Particular requirements for jointers
Part 2-20: Particular requirements for band saws
Part 2-21: Particular requirements for drain cleaners

The committee has decided that the contents of this publication will remain unchanged until the
maintenance result date indicated on the IEC web site under "http://webstore.iec.ch" in the data
related to the specific publication. At this date, the publication will be
• reconfirmed;
• withdrawn;
• replaced by a revised edition, or
• amended.
– 12 – 60745-2-13  CEI:2006
OUTILS ÉLECTROPORTATIFS À MOTEUR –
SÉCURITÉ –
Partie 2-13: Règles particulières pour les scies à chaîne

1 Domaine d’application
L’article de la Partie 1 est applicable avec l’exception suivante:
Addition:
Cette norme s’applique aux scies à chaîne destinées à couper du bois et conçues pour être
utilisées par une seule personne. Cette norme ne s’applique pas aux scies à chaîne conçues
pour être utilisées conjointement avec un guide-chaîne et un couteau diviseur ou de toute autre
manière telle qu’avec un support ou comme une machine fixe ou transportable.
Cette norme ne s’applique pas aux scies à chaîne pour l’élagage des arbres comme défini
dans l’ISO 11681-2, les scies à perche et les perches élagueuses.
2 Références normatives
L’article de la Partie 1 est applicable avec l’exception suivante:
Addition:
ISO 3864-3 , Symboles graphiques – Couleurs de sécurité et signaux de sécurité – Partie 3:
Critères de conception des symboles graphiques utilisés dans les signaux de sécurité
ISO 6533:2001, Machines forestières – Protecteur de la main tenant la poignée avant des scies
à chaîne portatives – Dimensions et dégagements
ISO 6534:1992, Scies à chaîne portatives – Protections des mains – Résistance mécanique
ISO 7914:2002, Machines forestières – Scies à chaîne portatives – Dimensions minimales des
poignées et des espaces libres autour des poignées
ISO 7915:1991, Matériel forestier – Scies à chaîne portatives – Détermination de la solidité des
poignées
ISO 8334:1985, Matériel forestier – Scies à chaîne portatives – Détermination de l'équilibre
ISO 9518:1998, Matériel forestier – Scies à chaîne portatives – Essai de rebond
ISO 10726:1992, Scies à chaîne portatives – Enrouleur de chaîne – Dimensions et résistance
mécanique
ISO 11681-2:1998, Matériel forestier – Scies à chaîne portatives – Exigences de sécurité et
essais – Partie 2: Scies à chaîne pour l'élagage des arbres

___________
ISO 3864-3 est actuellement au stade DIS.

60745-2-13  IEC:2006 – 13 –
HAND-HELD MOTOR-OPERATED ELECTRIC TOOLS –
SAFETY
Part 2-13: Particular requirements for chain saws

1 Scope
This clause of Part 1 is applicable, except as follows:
Addition:
This standard applies to chain saws for cutting wood and designed for use by one person. This
standard does not cover chain saws designed for use in conjunction with a guide-plate and
riving knife or in any other way such as with a support or as a stationary or transportable
machine.
This standard does not apply to chain saws for tree service as defined in ISO 11681-2, pole
cutters and pruners.
2 Normative references
This clause of Part 1 is applicable, except as follows:
Addition:
)
ISO 3864-3 , Graphical symbols – Safety colours and safety signs – Part 3: Design criteria for
graphical symbols used in safety signs
ISO 6533:2001, Forestry machinery – Portable chain-saw front hand-guard – Dimensions and
clearances
ISO 6534:1992, Portable chain-saws – Hand-guards – Mechanical strength
ISO 7914:2002, Forestry machinery – Portable chain-saws – Minimum handle clearance and
sizes
ISO 7915:1991, Forestry machinery – Portable chain-saws – Determination of handle strength
ISO 8334:1985, Forestry machinery – Portable chain-saws – Determination of balance
ISO 9518:1998, Forestry machinery – Portable chain-saws – Kickback test
ISO 10726:1992, Portable chain-saws – Chain catcher – Dimensions and mechanical strength
ISO 11681-2:1998, Machinery for forestry – Portable chain-saws – Safety requirements and
testing – Part 2: Chain-saws for tree service
___________
)
ISO 3864-3 is currently at the DIS stage.

– 14 – 60745-2-13  CEI:2006
3 Termes et définitions
L’article de la Partie 1 est applicable avec les exceptions suivantes:
3.101
scie à chaîne
outil conçu pour couper du bois à l’aide d’une chaîne coupante et constitué d’une unité
intégrée de poignées, moteur et accessoire de coupe, conçu pour être soutenu des deux mains
(voir la Figure 101)
3.102
frein de chaîne
dispositif prévu pour arrêter ou verrouiller la chaîne coupante, activé manuellement ou non
manuellement, lorsque le rebond se produit
3.103
protecteur d’extrémité de guide-chaîne
écran qui empêche le contact avec la chaîne coupante à l’extrémité du guide-chaîne, afin de
réduire l’incidence des rebonds
3.104
levier du frein de chaîne
dispositif, généralement le protège-mains avant, utilisé pour activer le frein de chaîne
3.105
enrouleur de chaîne
dispositif prévu pour retenir la chaîne coupante si elle casse ou déraille (voir la Figure 101)
3.106
pignon d’entraînement
roue d’entraînement de chaîne munie de dents
3.107
poignée avant
poignée support située sur ou avant la partie frontale du carter de moteur (voir la Figure 101)
3.108
protège-mains avant
protecteur situé entre la poignée avant et la chaîne coupante afin de protéger la main contre
les blessures si la main venait à glisser de la poignée (voir la Figure 101)
3.109
guide-chaîne
partie qui supporte et guide la chaîne coupante (voir la Figure 101)
3.110
rebond
mouvement rapide de la scie à chaîne vers le haut et/ou l’arrière susceptible de se produire
lorsque, près de l’extrémité du guide-chaîne, la chaîne coupante mobile entre en contact avec
un objet tel qu’un rondin ou une branche
3.111
protège-mains arrière
extension située sur la partie inférieure de la poignée arrière en vue de protéger la main contre
la chaîne coupante si celle-ci casse ou déraille (voir la Figure 101)

60745-2-13  IEC:2006 – 15 –
3 Terms and definitions
This clause of Part 1 is applicable, except as follows:
3.101
chain saw
tool designed to cut wood with a saw chain and consisting of an integrated unit of handles,
motor and cutting attachment, designed to be supported with two hands (see Figure 101)
3.102
chain brake
device for stopping or locking the saw chain activated manually or non-manually when kickback
occurs
3.103
bar tip guard
shield that prevents contact with the saw chain at the tip of the guide bar, for reducing the
incidence of kickbacks
3.104
chain brake lever
device, usually the front hand guard, used to activate the chain brake
3.105
chain catcher
device for restraining the saw chain if it breaks or degrooves (see Figure 101)
3.106
drive sprocket
chain drive wheel with teeth
3.107
front handle
support handle located at or towards the front of the motor housing (see Figure 101)
3.108
front hand guard
guard between the front handle and the saw chain for protecting the hand from injuries if the
hand slips off the handle (see Figure 101)
3.109
guide bar
part that supports and guides the saw chain (see Figure 101)
3.110
kickback
rapid upward and/or backward motion of the chain saw which can occur when the moving saw
chain near the tip of the guide bar contacts an object such as a log or branch
3.111
rear hand guard
extension on the lower part of the rear handle for protecting the hand from the saw chain if it
breaks or degrooves (see Figure 101)

– 16 – 60745-2-13  CEI:2006
3.112
poignée arrière
poignée support située sur le carter ou avant la partie arrière du carter de moteur (voir la
Figure 101)
3.113
chaîne coupante
chaîne, servant d’outil de coupe, constituée de maillon-guide, de couteaux et de maillon-
attache, rassemblés par des rivets (voir la Figure 101)
3.114
griffe d’abattage
dispositif, installé face au point de montage du guide-chaîne, et servant de pivot lorsqu’il est en
contact avec un arbre ou un rondin (voir la Figure 101 et la Figure 102)
3.115
longueur de coupe
distance du pied de la griffe d’abattage, en passant par l’axe du guide-chaîne, jusqu’au bord
extérieur du maillon de coupe, ou sur la partie intérieure de protecteur d’extrémité de guide-
chaîne, en réglant le tendeur de la chaîne à mi-position (voir la Figure 102)
3.116
temps d’arrêt du moteur
temps écoulé entre l’instant où l’interrupteur secteur est relâché et l’arrêt complet de la chaîne
coupante
4 Exigences générales
L’article de la Partie 1 est applicable.
5 Conditions générales d’essais
L’article de la Partie 1 est applicable avec l’exception suivante:
5.2 Addition:
Pour les essais de 19.113, un échantillon supplémentaire peut être fourni.
5.14 Addition:
Pour les essais
...

IEC 60745-2-13 ®
Edition 2.1 2011-04
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Hand-held motor-operated electric tools – Safety –
Part 2-13: Particular requirements for chain saws

Outils électroportatifs à moteur – Sécurité –
Partie 2-13: Règles particulières pour les scies à chaîne

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IEC 60745-2-13 ®
Edition 2.1 2011-04
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Hand-held motor-operated electric tools – Safety –

Part 2-13: Particular requirements for chain saws

Outils électroportatifs à moteur – Sécurité –

Partie 2-13: Règles particulières pour les scies à chaîne

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.140.20; 65.060.80 ISBN 978-2-8891-2419-0

– 2 – 60745-2-13  IEC:2006+A1:2009
CONTENTS
FOREWORD . 4
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 General requirements . 9
5 General conditions for the tests . 9
6 Void. 9
7 Classification . 9
8 Marking and instructions . 10
9 Protection against access to live parts . 12
10 Starting . 12
11 Input and current . 12
12 Heating . 13
13 Leakage current . 13
14 Moisture resistance . 13
15 Electric strength . 13
16 Overload protection of transformers and associated circuits . 13
17 Endurance . 13
18 Abnormal operation . 13
19 Mechanical hazards . 13
20 Mechanical strength . 17
21 Construction . 17
22 Internal wiring . 19
23 Components . 19
24 Supply connection and external flexible cords . 19
25 Terminals for external conductors . 19
26 Provision for earthing . 19
27 Screws and connections . 19
28 Creepage distances, clearances and distances through insulation . 19
29 Resistance to heat, fire and tracking . 19
30 Resistance to rusting . 19
31 Radiation, toxicity and similar hazards . 19

Annexes . 26
Annex K (normative) Battery tools and battery packs . 26
Annex L (normative) Battery tools and battery packs provided with mains connection

or non-isolated sources. 27
Annex AA (normative) Symbols for safety recommendations and warnings . 28
Annex BB (informative) Instructions concerning the proper techniques for basic felling,
limbing, and cross-cutting . 29

60745-2-13  IEC:2006+A1:2009 – 3 –
Bibliography . 34

Figure 101 – Chain saw nomenclature . 20
Figure 102 – Cutting length . 21
Figure 103 – Holding the chain saw . 21
Figure 104 – Minimum rear hand guard dimensions . 22
Figure 105 – Straight test probe . 22
Figure 106 – Chain brake test . 23
Figure 107 – Static test for release force . 24
Figure 108 – Bar tip guard . 24
Figure 109 – Handle gripping area . 25
Figure 110 – Impact text fixture for handle insulation . 25
Figure BB.101 – Description of felling: escape routes . 31
Figure BB.102 – Description of felling: undercutting . 31
Figure BB.103 – Tree limbing. 32
Figure BB.104 – Log supported along the entire length . 32
Figure BB.105 – Log supported one end . 32
Figure BB.106 – Log supported both ends . 33
Figure BB.107 – Bucking a log . 33

– 4 – 60745-2-13  IEC:2006+A1:2009
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HAND-HELD MOTOR-OPERATED ELECTRIC TOOLS –
SAFETY–
Part 2-13: Particular requirements for chain saws
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
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agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
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3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
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4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
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between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
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6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
This consolidated version of the official IEC Standard and its amendment has been prepared
for user convenience.
IEC 60745-2-13 edition 2.1 contains the second edition (2006) [documents 61F/625/FDIS and
61F/637/RVD] and its amendment 1 (2009) [documents 116/17/FDIS and 116/18/RVD].
A vertical line in the margin shows where the base publication has been modified by
amendment 1. Additions and deletions are displayed in red, with deletions being struck
through.
60745-2-13  IEC:2006+A1:2009 – 5 –
International Standard IEC 60745-2-13 has been prepared by subcommittee 61F: Safety of
hand-held motor-operated electric tools, of IEC technical committee 61: Safety of household
and similar electrical appliances.
The amendment modifies the present part 2-13 to ensure its conformity with the fourth edition
(2006) of IEC 60745-1, Hand-held motor-operated electric tools – Safety – Part 1: General
requirements
This edition constitutes a technical revision. Main changes include Clause 8: Markings and
instructions, introducing detailed safety warnings; Clause 19: Mechanical hazards, with
requirements for handles, hand guards, guarding of moving parts, chain catcher, spiked
bumper, chain brake, computed kickback angle, guide bar cover, saw chain tension, oiler,
balance and run down time; Clause 20: Mechanical strength, with requirements for handles
and hand guards; Clause 21: Construction, with requirements for the insulation of knobs and
handles.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
This part 2 is to be used in conjunction with the latest edition of IEC 60745-1, Hand-held
motor-operated electric tools – Safety – Part 1: General requirements, and its amendments. It
was established on the basis of the fourth edition (2006) of that standard.
NOTE 1 When “Part 1” is mentioned in this standard, it refers to IEC 60745-1.
This part 2 supplements or modifies the corresponding clauses of IEC 60745-1, so as to
convert that publication into the IEC standard: Safety requirements for chain saws.
When a particular subclause of Part 1 is not mentioned in this part 2, that subclause applies
as far as is reasonable. When this standard states “addition”, “modification” or “replacement”,
the relevant text in Part 1 is to be adapted accordingly.
NOTE 2 The following numbering system is used:
– subclauses, items, tables and figures that are numbered starting from 101 are additional to those in Part 1;
– additional annexes are lettered AA, BB, etc.
NOTE 3 In this standard, the following print types are used:
– requirements: in roman type;
– test specifications: in italic type;
– notes: in smaller roman type.
IEC 60745 consists of the following parts, under the general title Hand-held motor-operated
electric tools – Safety:
Part 1: General requirements
Part 2-1: Particular requirements for drills and impact drills
Part 2-2: Particular requirements for screwdrivers and impact wrenches
Part 2-3: Particular requirements for grinders, polishers and disk-type sanders
Part 2-4: Particular requirements for sanders and polishers other than disk type
Part 2-5: Particular requirements for circular saws
Part 2-6: Particular requirements for hammers
Part 2-7: Particular requirements for spray guns for non-flammable liquids
Part 2-8: Particular requirements for shears and nibblers
Part 2-9: Particular requirements for tappers
Part 2-11: Particular requirements for reciprocating saws (jig and sabre saws)
Part 2-12: Particular requirements for concrete vibrators

– 6 – 60745-2-13  IEC:2006+A1:2009
Part 2-13: Particular requirements for chain saws
Part 2-14: Particular requirements for planers
Part 2-15: Particular requirements for hedge trimmers
Part 2-16: Particular requirements for tackers
Part 2-17: Particular requirements for routers and trimmers
Part 2-18: Particular requirements for strapping tools
Part 2-19: Particular requirements for jointers
Part 2-20: Particular requirements for band saws
Part 2-21: Particular requirements for drain cleaners

The committee has decided that the contents of the base publication and its amendments will
remain unchanged until the stability date indicated on the IEC web site under
"http://webstore.iec.ch" in the data related to the specific publication. At this date, the
publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
IMPORTANT – The “colour inside” logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct understanding
of its contents. Users should therefore print this publication using a colour printer.

60745-2-13  IEC:2006+A1:2009 – 7 –
HAND-HELD MOTOR-OPERATED ELECTRIC TOOLS –
SAFETY
Part 2-13: Particular requirements for chain saws

1 Scope
This clause of Part 1 is applicable, except as follows:
Addition:
This standard applies to chain saws for cutting wood and designed for use by one person.
This standard does not cover chain saws designed for use in conjunction with a guide-plate
and riving knife or in any other way such as with a support or as a stationary or transportable
machine.
This standard does not apply to chain saws for tree service as defined in ISO 11681-2, pole
cutters and pruners.
2 Normative references
This clause of Part 1 is applicable, except as follows:
Addition:
)
ISO 3864-3 , Graphical symbols – Safety colours and safety signs – Part 3: Design criteria
for graphical symbols used in safety signs
ISO 6533:2001, Forestry machinery – Portable chain-saw front hand-guard – Dimensions and
clearances
ISO 6534:1992, Portable chain-saws – Hand-guards – Mechanical strength
ISO 7914:2002, Forestry machinery – Portable chain-saws – Minimum handle clearance and
sizes
ISO 7915:1991, Forestry machinery – Portable chain-saws – Determination of handle strength
ISO 8334:1985, Forestry machinery – Portable chain-saws – Determination of balance
ISO 9518:1998, Forestry machinery – Portable chain-saws – Kickback test
ISO 10726:1992, Portable chain-saws – Chain catcher – Dimensions and mechanical strength
ISO 11681-2:1998, Machinery for forestry – Portable chain-saws – Safety requirements and
testing – Part 2: Chain-saws for tree service
___________
)
ISO 3864-3 is currently at the DIS stage.

– 8 – 60745-2-13  IEC:2006+A1:2009
3 Terms and definitions
This clause of Part 1 is applicable, except as follows:
3.101
chain saw
tool designed to cut wood with a saw chain and consisting of an integrated unit of handles,
motor and cutting attachment, designed to be supported with two hands (see Figure 101)
3.102
chain brake
device for stopping or locking the saw chain activated manually or non-manually when
kickback occurs
3.103
bar tip guard
shield that prevents contact with the saw chain at the tip of the guide bar, for reducing the
incidence of kickbacks
3.104
chain brake lever
device, usually the front hand guard, used to activate the chain brake
3.105
chain catcher
device for restraining the saw chain if it breaks or degrooves (see Figure 101)
3.106
drive sprocket
chain drive wheel with teeth
3.107
front handle
support handle located at or towards the front of the motor housing (see Figure 101)
3.108
front hand guard
guard between the front handle and the saw chain for protecting the hand from injuries if the
hand slips off the handle (see Figure 101)
3.109
guide bar
part that supports and guides the saw chain (see Figure 101)
3.110
kickback
rapid upward and/or backward motion of the chain saw which can occur when the moving saw
chain near the tip of the guide bar contacts an object such as a log or branch
3.111
rear hand guard
extension on the lower part of the rear handle for protecting the hand from the saw chain if it
breaks or degrooves (see Figure 101)

60745-2-13  IEC:2006+A1:2009 – 9 –
3.112
rear handle
support handle located on the housing or towards the rear of the motor housing (see
Figure 101)
3.113
saw chain
chain, serving as a cutting tool, consisting of drive links, cutters and side links, held together
by rivets (see Figure 101)
3.114
spiked bumper
device, fitted in front of the guide bar mounting point, acting as a pivot when in contact with a
tree or log (see Figure 101 and Figure 102)
3.115
cutting length
distance from the root of the spiked bumper, along the guide bar axis to the outside edge of
the cutting link, or on the inside part of the bar tip guard with the chain tension adjuster set at
mid- position (see Figure 102)
3.116
run down time
elapsed time from the release of the mains switch until the saw chain stops
4 General requirements
This clause of Part 1 is applicable.
5 General conditions for the tests
This clause of Part 1 is applicable, except as follows:
5.2 Addition:
For the tests of 19.113 one additional sample may be provided.
5.14 Addition:
For tests carried out at normal load, the saw chain and the guide bar may be removed and the
drive sprocket of the chain saw loaded by means of a brake.
6 Void
7 Classification
This clause of Part 1 is applicable.

– 10 – 60745-2-13  IEC:2006+A1:2009
8 Marking and instructions
This clause of Part 1 is applicable, except as follows:
8.1 Addition:
Chain saws shall be marked with the following:
– maximum length of the guide bar in mm;
– identification of the direction of rotation of the saw chain by a legible and durable mark.
In addition, chain saws shall be marked with safety recommendations and warnings of the
following substance which shall be written in one of the official languages of the country in
which the tool is to be sold.
2)
–“Wear eye protection” or the sign M004 of ISO 7010 .
3)
–“Wear ear protection” or the sign M003 of ISO 7010 .
For chain saws with a degree of protection of less than IPX4:
– “Do not expose to rain” or the symbol specified in Annex AA.
For mains supplied tools:
– “Remove plug from the mains immediately if the cable is damaged or cut” or the symbol
specified in Annex AA.
If other symbols are used they shall be in accordance with ISO 3864-3.
– maximum length of the guide bar in mm;
– identification of the direction of rotation of the saw chain by a legible and durable mark.
In addition, chain saws shall be marked with safety recommendations and warnings of the
following substance which shall be written in one of the official languages of the country in
which the tool is to be sold:
– “Wear eye protection” or the sign M004 of ISO 7010 or the sign specified in Annex AA;
– “Wear ear protection” or the sign M003 of ISO 7010 or the sign specified in Annex AA.
A combination of symbols, such as eye, ear and head protection, is allowed.
For chain saws with a degree of protection of less than IPX4:
– “Do not expose to rain” or the symbol specified in Annex AA.
For mains supplied tools:
– “Remove plug from the mains immediately if the cable is damaged or cut” or the symbol
specified in Annex AA.
If other symbols are used, they shall be in accordance with ISO 3864-3.
___________
2)
The future safety sign M004 is currently at the DIS stage as ISO 7010:2003/DAmd6.
3)
The future safety sign M003 is currently at the DIS stage as ISO 7010:2003/DAmd5.

60745-2-13  IEC:2006+A1:2009 – 11 –
8.12.1.1 Addition:
Chain saw safety warnings:
• Keep all parts of the body away from the saw chain when the chain saw is operating.
Before you start the chain saw, make sure the saw chain is not contacting anything.
A moment of inattention while operating chain saws may cause entanglement of your
clothing or body with the saw chain.
• Always hold the chain saw with your right hand on the rear handle and your left
hand on the front handle. Holding the chain saw with a reversed hand configuration
increases the risk of personal injury and should never be done.
NOTE For chain saws designed with the guide bar on the left side, the reference to “right hand” and “left
hand” positioning is reversed.
• Hold the power tool by insulated gripping surfaces only, because the saw chain may
contact hidden wiring or its own cord. Saw chains contacting a "live" wire may make
exposed metal parts of the power tool "live" and could give the operator an electric shock.
• Wear safety glasses and hearing protection. Further protective equipment for head,
hands, legs and feet is recommended. Adequate protective clothing will reduce
personal injury by flying debris or accidental contact with the saw chain.
• Do not operate a chain saw in a tree. Operation of a chain saw while up in a tree may
result in personal injury.
• Always keep proper footing and operate the chain saw only when standing on fixed,
secure and level surface. Slippery or unstable surfaces such as ladders may cause a
loss of balance or control of the chain saw.
• When cutting a limb that is under tension be alert for spring back. When the tension
in the wood fibres is released the spring loaded limb may strike the operator and/or throw
the chain saw out of control.
• Use extreme caution when cutting brush and saplings. The slender material may catch
the saw chain and be whipped toward you or pull you off balance.
• Carry the chain saw by the front handle with the chain saw switched off and away
from your body. When transporting or storing the chain saw always fit the guide bar
cover. Proper handling of the chain saw will reduce the likelihood of accidental contact
with the moving saw chain.
• Follow instructions for lubricating, chain tensioning and changing accessories.
Improperly tensioned or lubricated chain may either break or increase the chance for
kickback.
• Keep handles dry, clean, and free from oil and grease. Greasy, oily handles are
slippery causing loss of control.
• Cut wood only. Do not use chain saw for purposes not intended. For example: do
not use chain saw for cutting plastic, masonry or non-wood building materials. Use
of the chain saw for operations different than intended could result in a hazardous
situation.
Causes and operator prevention of kickback:
Kickback may occur when the nose or tip of the guide bar touches an object, or when the
wood closes in and pinches the saw chain in the cut.
Tip contact in some cases may cause a sudden reverse reaction, kicking the guide bar up and
back towards the operator.
Pinching the saw chain along the top of the guide bar may push the guide bar rapidly back
towards the operator.
Either of these reactions may cause you to lose control of the saw which could result in
serious personal injury. Do not rely exclusively upon the safety devices built into your saw.
As a chain saw user, you should take several steps to keep your cutting jobs free from
accident or injury.
– 12 – 60745-2-13  IEC:2006+A1:2009
Kickback is the result of tool misuse and/or incorrect operating procedures or conditions and
can be avoided by taking proper precautions as given below:
• Maintain a firm grip, with thumbs and fingers encircling the chain saw handles, with
both hands on the saw and position your body and arm to allow you to resist
kickback forces. Kickback forces can be controlled by the operator, if proper precautions
are taken. Do not let go of the chain saw.
NOTE A possible illustration for this warning is given in Figure 103.
• Do not overreach and do not cut above shoulder height. This helps prevent
unintended tip contact and enables better control of the chain saw in unexpected
situations.
• Only use replacement bars and chains specified by the manufacturer. Incorrect
replacement bars and chains may cause chain breakage and/or kickback.
• Follow the manufacturer’s sharpening and maintenance instructions for the saw
chain. Decreasing the depth gauge height can lead to increased kickback.
8.12.2 a) Addition:
101) Explanation of the safety devices that the chain saw incorporates as part of the
original equipment and/or other safety devices that are recommended in the
instruction manual
102) Instructions for properly installing and adjusting the guide bar and saw chain
103) An explanation of the safety devices that the chain saw incorporates as part of the
original equipment and/or other safety devices that are recommended in the
instruction manual
8.12.2 b) Addition:
101) Recommendation for the use of a residual current device with a tripping current of
30 mA or less
102) Statement to position the cord so that it will not be caught on branches and the like,
during cutting
103) Recommendation that the first-time user should, as a minimum practice, cutting
logs on a saw-horse or cradle
104) Instructions to explain the proper techniques for making the basic felling, limbing,
and cross-cutting. Examples for the required instructions are given in Annex BB.1
to BB.5
105) If a manual oiler control is provided, instructions regarding its use
9 Protection against access to live parts
This clause of Part 1 is applicable.
10 Starting
This clause of Part 1 is applicable.
11 Input and current
This clause of Part 1 is applicable.

60745-2-13  IEC:2006+A1:2009 – 13 –
12 Heating
This clause of Part 1 is applicable, except as follows:
12.4 Replacement:
The tool is operated at rated input or rated current for 30 min. The temperature rises are
measured at the end of the 30 min.
13 Leakage current
This clause of Part 1 is applicable.
14 Moisture resistance
This clause of Part 1 is applicable.
15 Electric strength
This clause of Part 1 is applicable.
16 Overload protection of transformers and associated circuits
This clause of Part 1 is applicable.
17 Endurance
This clause of Part 1 is applicable, except as follows:
17.2 Addition:
The saw chain is removed for the endurance test.
18 Abnormal operation
This clause of Part 1 is applicable.
19 Mechanical hazards
This clause of Part 1 is applicable, except as follows:
19.1 Addition:
The requirements of this subclause do not apply to those moving parts and guards which are
separately covered by 19.102, 19.103 and 19.104.
19.101 Handles
Chain saws shall be fitted with at least two handles to provide safe control. The gripping
length of the front handle shall be at least 100 mm.
The handle surfaces shall be so designed and shaped that firm grip may be applied.

– 14 – 60745-2-13  IEC:2006+A1:2009
Minimal clearances and sizes of the handles shall be in accordance with ISO 7914.
Compliance is checked by inspection and measurement.
19.102 Front hand guard
A guard shall be fitted in the vicinity of the front handle to protect the operator’s fingers from
injury by contact with the saw chain. The dimensions and clearances of this front hand guard
shall comply with ISO 6533.
Compliance is checked by inspection and measurement.
19.103 Rear hand guard
The hand of the operator shall be protected in case the saw chain breaks or derails.
A hand guard shall be provided along the length of the bottom of the rear handle. This guard
shall extend from the edge of the handle for at least 30 mm at the guide bar side and at least
100 mm lengthwise (see Figure 104).
Compliance is checked by inspection and measurement.
19.104 Guarding of the moving parts
The drive sprocket and the saw chain behind the spiked bumper shall be guarded to prevent
access from both sides and from the top and the rear.
Compliance is checked by means of the straight test probe (see Figure 105). It shall not be
possible to touch the drive sprocket and the part of the saw chain behind the spiked bumper
with the test probe.
There may be openings at the front and below the drive sprocket to allow the ejection of wood
chips and to adjust the guide bar and saw chain.
Compliance is checked by inspection.
19.105 Chain catcher
The chain saw shall be fitted with a chain catcher device placed under the saw chain as far to
the front as practicable. The chain catcher shall extend sideways at least 5 mm from the
centre-plane of the guide bar.
The chain catcher shall have sufficient mechanical strength.
Compliance is checked by inspection and applying Clauses 3 and 4 of ISO 10726. In 4.1 of
± 3) °C shall apply.
ISO 10726, a temperature of (-10
19.106 Spiked bumper
Chain saws shall have a spiked bumper at the front of the machine.
Compliance is checked by inspection.
19.107 Chain brake
If a chain brake operated by a chain brake lever is needed as a part of the anti-kickback
system in order to meet the requirements of 19.108, it shall also comply with the requirements
of 19.107.1 and 19.107.2.
60745-2-13  IEC:2006+A1:2009 – 15 –
19.107.1 The chain brake shall stop the saw chain with an average braking time not
exceeding 0,12 s and a maximum braking time not exceeding 0,15 s.
Compliance is checked by the following test.
The chain saw and chain tension shall be adjusted as for normal use, following the
manufacturer’s instruction. The chain tension shall generally be adjusted so that, when a 1 kg
mass is hanging from the centre of the cutting length along the lower portion of the chain, the
gap between the chain side link and the guide bar is a minimum of 0,017 mm per millimetre of
guide bar length.
With the saw chain lubricated as in normal use and operated at rated voltage, the brake
actuator is set in motion by the impact of a pendulum. This pendulum shall have a mass of
0,70 kg, a hammer with a flat strike face of 50 mm diameter and an arm of 700 mm length.
The release height of the pendulum shall be 200 mm. The time for the saw chain to stop shall
be measured from the moment of impact with the actuator (see Figure 106).
The chain brake shall be operated a total of 25 times. The maximum stopping time and the
average stopping time of the saw chain shall be measured at the first five and the last five
braking operations.
The chain saw is considered to be stopped when the time taken for two successive teeth to
pass a fixed point exceeds 10 ms.
The interval between each operation shall be 2 min consisting of a no-load running period of
1 min prior to each impact of the pendulum. Immediately after the operation of the chain brake
and the chain has stopped, the chain saw shall be switched off for the remaining time of the
interval. The chain brake actuation mechanism shall be reset during this off period.
19.107.2 The chain brake lever shall be designed so that the static release force required is
not more than 60 N and not less than 20 N.
Compliance is checked by the following test.
With the chain saw not running, the force on the chain brake lever needed to activate the
brake shall be measured at the centre of the top (horizontal) part of the chain brake lever and
in the direction of 45° forward and downward in relation to the guide bar centreline, see
Figure 107.
The force shall be applied at a uniform rate.
19.108 Kickback protection
Chain saws shall either be equipped with a bar tip guard which is not removable such as
riveted, spot welded, etc. or a computed kickback angle or chain stop angle, whichever is
less, shall not exceed 45°.
The bar tip guard, if any, shall protect the periphery and both sides of the saw chain at the tip
of the guide bar. The bar tip guard shall be designed to prevent contact of any part of the saw
chain with the workpiece within the angle α between the longitudinal axis of the guide bar and
the surface of the workpiece between 45° and 135°, see Figure 108.
Compliance is checked by inspection, measurement and in accordance with the kickback
requirements of ISO 9518.
– 16 – 60745-2-13  IEC:2006+A1:2009
19.109 Guide bar cover
A protective cover shall be provided with the chain saw to cover the guide bar in order to
prevent injuries during transportation. The cover shall not become detached when the guide
bar is in vertical downward position.
Compliance is checked by inspection.
19.110 Saw chain tension
Chain saws shall be provided with means of tensioning the saw chain.
Compliance is checked by inspection.
19.111 Saw chain lubrication
The chain saw shall be provided with an oiler for the saw chain.
If the chain saw is fitted with a manual oiler, it shall be so located that it can be operated
while holding the saw in both hands in a normal operating position.
Compliance is checked by inspection.
19.112 Balance
Chain saws shall be in longitudinal balance.
Compliance is checked by the following test in accordance with ISO 8334.
The chain saw shall be fitted with a supply cord 1 000 mm in length with a plug as provided by
the manufacturer and guide bar and chain with the dimensions recommended by the
manufacturer. The oil tank shall be half full. The spiked bumper shall be fitted.
The chain saw shall be suspended from the front handle gripping area “a” (see Figure 109) at
the point giving the best lateral balance. During the test the supply cord shall hang down
without contacting any other surface.
The angle between the centreline of the guide bar and the horizontal plane shall not exceed
30°.
19.113 Run down time
The run down time of chainsaws shall be limited.
Compliance is checked by the following test.
The chain saw is adjusted in accordance with the manufacturer’s recommendations.
The chain saw shall be run in before starting the test by actuating 10 “on”/”off” cycles. One
cycle consists of 30 s running and 30 s rest.
After the run-in, the saw chain tension shall be adjusted according to the manufacturer’s
recommendations.
60745-2-13  IEC:2006+A1:2009 – 17 –
The test is made under no-load. The test sequence shall consist of a total of 2 500 cycles.
The run down time of the chain shall not exceed 2 s for the first 6 cycles of operation and
shall not exceed 3 s for the final 6 cycles of the test sequence.
The time measurement starts after opening the switch contacts. The chain is considered to be
stopped when the time taken for two successive teeth to pass a fixed point exceeds 10 ms.
NOTE The run down time will be considered in the future with the goal of reducing the run down time to a lower
value without impairing the overall safety of the tool.
20 Mechanical strength
This clause of Part 1 is applicable.
20.101 Handles
The handles shall be of durable construction and capable of withstanding stress and impact
sustained in normal working conditions.
Compliance is checked by the test of ISO 7915, where the values for “≤ 50 cm³” shall apply.
20.102 Front and rear hand guard
Th
...