SIST EN 62841-2-5:2014

Electric Motor-Operated Hand-Held Tools, Transportable Tools and Lawn and Garden Machinery - Safety - Part 2-5: Particular requirements for hand-held circular saws

EN IEC 62841-2-5 applies to hand-held circular saws, which hereinafter will be referred to as saws. This standard does not apply to saws designed for use with abrasive wheels.

Elektrische motorbetriebene handgeführte Werkzeuge, transportable Werkzeuge und Rasen- und Gartenmaschinen - Sicherheit - Teil 2-5: Besondere Anforderungen für handgeführte Kreissägen (IEC 62841-2-5:2014, modifiziert)

Outils électroportatifs à moteur, outils transportables et machines pour jardins et pelouses - Sécurité - Partie 2-5: Exigences particulières pour les scies circulaires portatives (IEC 62841-2-5:2014, modifiée)

L'IEC 62841-2-5:2014 s'applique aux scies circulaires portatives.  La présente norme ne s'applique pas aux scies destinées à être utilisées avec des roues abrasives. Les scies destinées à être utilisées avec des roues abrasives comme des machines de coupe sont traitées dans l'IEC 62841-2-22. The rated voltage is not more than 250 V for single-phase a.c. or d.c. tools, and 480 V for three-phase a.c. tools. The rated input is not more than 3 700 W. The limits for the applicability of this standard for battery tools is given in Annex K. This standard deals with the hazards presented by tools which are encountered by all persons in the normal use and reasonably foreseeable misuse of the tools. Les outils électroportatifs, qui peuvent être montés sur un support de travail pour être utilisés comme outils installés à poste fixe sans aucune modification de l'outil lui-même, sont compris dans le domaine d'application de la présente Norme et la combinaison d'un outil portatif et d'un support est considérée comme un outil portable, donc couvert par la Partie 3 applicable. L'attention des Comités Nationaux est attirée sur le fait que les fabricants d'appareils et les organismes d'essai peuvent avoir besoin d'une période transitoire après la publication d'une nouvelle publication IEC, ou d'une publication amendée ou révisée, pour fabriquer des produits conformes aux nouvelles exigences et pour adapter leurs équipements aux nouveaux essais ou aux essais révisés. Le comité recommande que le contenu de cette publication soit entériné au niveau national au plus tôt 12 mois et au plus tard 36 mois après la date de publication.
Mots-clés: Scie, Circulaire, Coupant
Cette publication doit être lue conjointement avec la CEI 62841-1:2014.

Električna motorna ročna orodja, prenosna orodja ter stroji za trato in vrt - Varnost - 2-5. del: Posebne zahteve za ročne krožne žage (IEC 62841-2-5:2014)

Standard EN IEC 62841-2-5 se uporablja za ročne krožne žage, v nadaljnjem besedilu: žage. Ta standard se ne uporablja za stroje, namenjene uporabi z brusilnimi ploščami.

General Information

• Status: Published
• Publication Date: 31-Aug-2014
• ICS: 25.080.60 - Sawing machines
• ICS: 25.140.20 - Electric tools
• Technical Committee: I09 - Imaginarni 09
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 29-Aug-2014
• Due Date: 03-Nov-2014
• Completion Date: 01-Sep-2014
• 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)
• Ref Project: EN 62841-2-5:2014 - Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety - Part 2-5: Particular requirements for hand-held circular saws (IEC 62841-2-5:2014, modified)

Relations

• Revised: SIST EN 60745-2-5:2011 - Hand-held motor-operated electric tools - Safety - Part 2-5: Particular requirements for circular saws (IEC 60745-2-5:2010, modified)
• Effective Date: 06-May-2014
• Replaces: SIST EN 60745-2-5:2011 - Hand-held motor-operated electric tools - Safety - Part 2-5: Particular requirements for circular saws (IEC 60745-2-5:2010, modified)
• Effective Date: 28-Jan-2023
• Replaces: SIST EN 60745-2-5:2011 - Hand-held motor-operated electric tools - Safety - Part 2-5: Particular requirements for circular saws (IEC 60745-2-5:2010, modified)
• Effective Date: 07-Jun-2022

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 62841-2-5:2014
01-oktober-2014
1DGRPHãþD
SIST EN 60745-2-5:2011
(OHNWULþQDPRWRUQDURþQDRURGMDSUHQRVQDRURGMDWHUVWURML]DWUDWRLQYUW9DUQRVW
GHO3RVHEQH]DKWHYH]DURþQHNURåQHåDJH,(&
Electric Motor-Operated Hand-Held Tools, Transportable Tools and Lawn and Garden
Machinery - Safety - Part 2-5: Particular requirements for hand-held circular saws
Ta slovenski standard je istoveten z: EN 62841-2-5:2014
ICS:
25.080.60 Strojne žage Sawing machines
25.140.20 (OHNWULþQDRURGMD Electric tools
SIST EN 62841-2-5:2014 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 62841-2-5:2014

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SIST EN 62841-2-5:2014


EUROPEAN STANDARD EN 62841-2-5

NORME EUROPÉENNE

EUROPÄISCHE NORM
August 2014
ICS 25.140.20 Supersedes EN 60745-2-5:2010
English Version
Electric motor-operated hand-held tools, transportable tools and
lawn and garden machinery - Safety - Part 2-5: Particular
requirements for hand-held circular saws
(IEC 62841-2-5:2014)
Outils électroportatifs à moteur, outils transportables et Elektrische motorbetriebene handgeführte Werkzeuge,
machines pour jardins et pelouses - Sécurité - Partie 2-5: transportable Werkzeuge und Rasen- und
Exigences particulières pour les scies circulaires portatives Gartenmaschinen - Sicherheit - Teil 2-5: Besondere
(CEI 62841-2-5:2014) Anforderungen für handgeführte Kreissägen
(IEC 62841-2-5:2014)
This European Standard was approved by CENELEC on 2014-05-05. CENELEC 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 CENELEC 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 CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.


European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2014 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. EN 62841-2-5:2014 E

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SIST EN 62841-2-5:2014
EN 62841-2-5:2014 - 2 -

Foreword
The text of document 116/166/FDIS, future edition 1 of IEC 62841-2-5, prepared by IEC/TC 116
"Safety of motor-operated electric tools" was submitted to the IEC-CENELEC parallel vote and
approved by CENELEC as EN 62841-2-5:2014.

A draft amendment, which covers common modifications to IEC 62841-2-5:2014, was prepared
by CLC/TC 116 "Safety of motor-operated electric tools" and approved by CENELEC.

The following dates are fixed:

• latest date by which this document (dop) 2015-05-05
has to be implemented at national
level by publication of an identical
national standard or by endorsement
• latest date by which the national (dow) 2018-05-05
standards conflicting with this
document have to be withdrawn

EN 62841-2-5:2014 supersedes EN 60745-2-5:2010.

This document has been prepared under a mandate given to CENELEC by the European
Commission and the European Free Trade Association, and supports essential requirements of
EU Directive(s).

For the relationship with EU Directive(s) see informative Annex ZZ, which is an integral part of
this document.

Clauses, subclauses, notes, tables, figures and annexes which are additional to those in
IEC 62841-2-5 are prefixed “Z”.

Subclauses, tables and figures which are additional to those in Part 1 are numbered starting from 101.

This European Standard is divided into four parts:

Part 1: General requirements which are common to most hand-held electric motor operated tools
(for the purpose of this standard referred to simply as tools) which could come within the
scope of this standard;
Part 2, 3 or 4: Requirements for particular types of tools which either supplement or modify the
requirements given in Part 1 to account for the particular hazards and characteristics of
these specific tools.

1)
This Part 2-5 is to be used in conjunction with EN 62841-1:201X . When this standard states "addition",
"modification" or "replacement", the relevant text in Part 1 is to be adapted accordingly.

Compliance with the clauses of Part 1 together with this Part 2-5 provides one means of conforming with
the essential health and safety requirements of the Directive concerned.

Warning: Other requirements and other EU Directives can be applicable to the products falling within
the scope of this standard.

This European Standard follows the overall requirements of EN ISO 12100.

NOTE In this standard the following print types are used:
- requirements proper; in roman type
- test specifications: in italic type;
- explanatory matter: in smaller roman type.
Words in bold in the text are defined in Clause 3. When a definition concerns an adjective, the adjective and the associated noun
are also in bold.
———————
1)
At draft stage.

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SIST EN 62841-2-5:2014
- 3 - EN 62841-2-5:2014
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent
rights.

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SIST EN 62841-2-5:2014
EN 62841-2-5:2014 - 4 -
COMMON MODIFICATIONS
2 Normative references
Add the following normative reference:
EN 847-1, Tools for woodworking - Safety requirements - Part 1: Milling tools, circular saw blade
8 Marking and instructions
8.14.2 a):
Add the following new item:
Z101) Instruction to use only saw blades recommended by the manufacturer, which conform to
EN 847-1, if intended for wood and analogous materials;
21 Construction
Add the following new subclause:
21.Z101 If a saw blade intended for cutting wood and analogous materials is provided with the tool, it
shall comply with EN 847-1.
Replace the title of Annex I by the following:
Annex I
(normative)

Measurement of noise and vibration emissions

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SIST EN 62841-2-5:2014
- 5 - EN 62841-2-5:2014
Add the following annex:
Annex ZZ
(informative)

Coverage of Essential Requirements of Directive 2006/42/EC
This European Standard has been prepared under a mandate given to CENELEC by the European
Commission and the European Free Trade Association and within its scope the standard covers all
relevant Essential Requirements as given in EU Directive 2006/42/EC (Machinery Directive).
Compliance with this standard provides one means of conformity with the specified essential
requirements of the Directives concerned.
WARNING: Other requirements and other EU Directives may be applicable to the products falling within
the scope of this standard.
___________

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SIST EN 62841-2-5:2014

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SIST EN 62841-2-5:2014



IEC 62841-2-5

®


Edition 1.0 2014-06




INTERNATIONAL



STANDARD




NORME



INTERNATIONALE











Electric motor-operated hand-held tools, transportable tools and lawn and

garden machinery – Safety –

Part 2-5: Particular requirements for hand-held circular saws




Outils électroportatifs à moteur, outils transportables et machines pour jardins

et pelouses – Sécurité –


Partie 2-5: Exigences particulières pour les scies circulaires portatives













INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE

PRICE CODE
INTERNATIONALE

CODE PRIX X


ICS 25.140.20 ISBN 978-2-8322-1634-7



Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

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SIST EN 62841-2-5:2014
– 2 – IEC 62841-2-5:2014 © IEC 2014
CONTENTS

FOREWORD . 4
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 General requirements . 7
5 General conditions for the tests . 8
6 Radiation, toxicity and similar hazards . 8
7 Classification . 8
8 Marking and instructions . 8
9 Protection against access to live parts . 11
10 Starting . 11
11 Input and current . 11
12 Heating . 11
13 Resistance to heat and fire . 12
14 Moisture resistance . 12
15 Resistance to rusting . 12
16 Overload protection of transformers and associated circuits . 12
17 Endurance . 12
18 Abnormal operation . 14
19 Mechanical hazards . 15
20 Mechanical strength . 20
21 Construction . 21
22 Internal wiring . 22
23 Components . 22
24 Supply connection and external flexible cords . 22
25 Terminals for external conductors . 22
26 Provision for earthing . 22
27 Screws and connections . 22
28 Creepage distances, clearances and distances through insulation . 22
Annexes . 33
Annex I (informative) Measurement of noise and vibration emissions . 33
Annex K (normative) Battery tools and battery packs . 36
Annex AA (normative) Additional requirements for saws with a riving knife . 37
Annex BB (normative) Additional requirements for lower guards for saws without a
riving knife . 40
Bibliography . 41

Figure 101 – Circular saw with outer pendulum guard . 23
Figure 102 – Circular saw with inner pendulum guard . 23
Figure 103 – Circular saw with tow guard . 23
Figure 104 – Plunge type saw . 23

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SIST EN 62841-2-5:2014
IEC 62841-2-5:2014 © IEC 2014 – 3 –
Figure 105 – Test probe 'a' . 24
Figure 106 – Use of test probe ‘a’ on circular saw guards . 25
Figure 107 – Distance from the gripping surface to the blade’s cutting edge zone . 27
Figure 108 – Height restriction of the viewing aperture (see 19.101.2.2) . 28
Figure 109 – Distance from the edge of the lateral side of the upper guard to the base
plate . 29
Figure 110 – Test probe 'b' . 29
Figure 111 – Accessibility to the front cutting edge zone . 30
Figure 112 – Blade exposure angle of the lower guard . 31
Figure 113 – Principal dimensions of the base plate . 31
Figure 114 – Flange characteristics . 32
Figure I.101 − Position of transducers for circular saws . 35
Figure AA.101 – Riving knife stability test . 39
Figure AA.102 – Riving knife adjustment . 39

Table 4 – Required performance levels . 14
Table 101 – Lower guard exposure angle. 18
Table I.101 – Operating conditions for circular saws cutting wood . 33
Table I.102 – Operating conditions for circular saws cutting metal . 34

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INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

ELECTRIC MOTOR-OPERATED HAND-HELD TOOLS, TRANSPORTABLE
TOOLS AND LAWN AND GARDEN MACHINERY –
SAFETY –

Part 2-5: Particular requirements for hand-held circular 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,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
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
interested IEC National Committees.
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
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
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
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
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
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
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.
International Standard IEC 62841-2-5 has been prepared by IEC technical committee 116:
Safety of motor-operated electric tools.
The text of this standard is based on the following documents:
FDIS Report on voting
116/166/FDIS 116/180/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.

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SIST EN 62841-2-5:2014
IEC 62841-2-5:2014 © IEC 2014 – 5 –
This Part 2-5 is to be used in conjunction with the first edition of IEC 62841-1 (2014).
This Part 2-5 supplements or modifies the corresponding clauses in IEC 62841-1, so as to
convert it into the IEC Standard: Particular requirements for hand-held circular saws.
Where a particular subclause of Part 1 is not mentioned in this Part 2-5, that subclause
applies as far as reasonable. Where this standard states “addition”, “modification” or
“replacement”, the relevant text in Part 1 is to be adapted accordingly.
The following print types are used:
– requirements: in roman type;
– test specifications: in italic type;
– notes: in small roman type.
The terms defined in Clause 3 are printed in bold typeface.
Subclauses, notes and figures which are additional to those in Part 1 are numbered starting
from 101.
A list of all parts of the IEC 62841 series, under the general title: Electric motor-operated
hand-held tools, transportable tools and lawn and garden machinery – Safety, can be found
on the IEC website.
The committee has decided that the contents of this publication 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.
NOTE The attention of National Committees is drawn to the fact that equipment manufacturers and testing
organizations may need a transitional period following publication of a new, amended or revised IEC publication in
which to make products in accordance with the new requirements and to equip themselves for conducting new or
revised tests.
It is the recommendation of the committee that the content of this publication be adopted for implementation
nationally not earlier than 36 months from the date of publication.

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SIST EN 62841-2-5:2014
– 6 – IEC 62841-2-5:2014 © IEC 2014
ELECTRIC MOTOR-OPERATED HAND-HELD TOOLS, TRANSPORTABLE
TOOLS AND LAWN AND GARDEN MACHINERY –
SAFETY –

Part 2-5: Particular requirements for hand-held circular saws



1 Scope
This clause of Part 1 is applicable, except as follows:
Addition:
This part of IEC 62841 applies to hand-held circular saws, which hereinafter will be referred
to as saws.
This standard does not apply to saws designed for use with abrasive wheels.
NOTE Saws designed for use with abrasive wheels as cut-off machines are covered by IEC 62841-2-22.
2 Normative references
This clause of Part 1 is applicable, except as follows:
Addition:
NOTE In Europe (EN 62841-2-5), the following normative reference applies:
EN 847-1, Tools for woodworking - Safety requirements - Part 1: Milling tools, circular saw blade
3 Terms and definitions
This clause of Part 1 is applicable, except as follows:
Addition:
3.101
base plate
part supporting the saw on the material being cut (see Figure 113)
3.102
bevel angle
angular displacement of the saw blade plane with respect to the base plate plane, the
position of the saw blade plane that is perpendicular to the base plate being the 0° bevel
position
3.103
circular saw
tool intended for cutting various materials with a rotating toothed blade
3.104
cutting edge zone
outer 20 % of the blade’s radius

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SIST EN 62841-2-5:2014
IEC 62841-2-5:2014 © IEC 2014 – 7 –
3.105
D
maximum specified diameter of the saw blade
3.106
guarding system
combination of some or all of the following elements as applicable for the type of saw: upper
guard, lower guard, base plate and the mechanism to facilitate the performance of these
elements
3.107
kickback
sudden reaction to a pinched, jammed or misaligned saw blade, causing an uncontrolled saw
to lift up and out of the workpiece
3.108
lower guard
movable blade-covering device which, in the closed or rest position, is mainly situated below
the base plate
3.109
maximum depth of cut
maximum thickness of the workpiece that can be cut through when the saw is set to 0° bevel
position, at the maximum protrusion of the largest specified saw blade through the plane of
the base plate
3.110
plunge type saw
saw having only an upper guard into which the saw blade retracts when not in use (see
Figure 104)
3.111
riving knife
metal part placed in the plane of the saw blade with the intent of preventing the kerf in the
workpiece from closing on the rear part of the saw blade
3.112
saw with outer pendulum guard
saw having a lower guard which swings outside the upper guard (see Figure 101)
3.113
saw with inner pendulum guard
saw having a lower guard which swings inside the upper guard (see Figure 102)
3.114
saw with tow guard
saw having a lower guard which slides along the upper guard (see Figure 103)
3.115
upper guard
fixed and/or movable cover of the blade situated above the base plate
4 General requirements
This clause of Part 1 is applicable.

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5 General conditions for the tests
This clause of Part 1 is applicable, except as follows:
5.17 Addition:
The weight of the tool includes the dust extraction adapter and the auxiliary handle, if any.
6 Radiation, toxicity and similar hazards
This clause of Part 1 is applicable.
7 Classification
This clause of Part 1 is applicable.
8 Marking and instructions
This clause of Part 1 is applicable, except as follows:
8.1 Addition:
Saws shall be marked with:
– rated no-load speed of the output spindle.
8.3 Addition:
– specified blade diameter or specified blade diameter range.
The direction of rotation of the spindle shall be indicated on the tool by an arrow, raised or
recessed or by any other means no less visible and indelible.
8.14.1.101 Additional safety instructions for circular saws
8.14.101.1 General
The additional safety instructions as specified in 8.14.1.101.2 to 8.14.1.101.6 shall be given.
If in English they shall be verbatim and in the following order as applicable and equivalent in
any other language. This part may be printed separately from the "General Power Tool Safety
Warnings".
All notes are not to be printed; they are information for the designer of the manual.
8.14.1.101.2 Safety instructions for all saws
Cutting procedures
DANGER: Keep hands away from cutting area and the blade. Keep your second
a)
hand on auxiliary handle, or motor housing. If both hands are holding the saw, they
cannot be cut by the blade.
NOTE For circular saws with a maximum blade diameter of 140 mm or smaller, the words "Keep your
second hand on auxiliary handle, or motor housing" do not apply.
b) Do not reach underneath the workpiece. The guard cannot protect you from the blade
below the workpiece.

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IEC 62841-2-5:2014 © IEC 2014 – 9 –
c) Adjust the cutting depth to the thickness of the workpiece. Less than a full tooth of
the blade teeth should be visible below the workpiece.
d) Never hold the workpiece in your hands or across your leg while cutting. Secure the
workpiece to a stable platform. It is important to support the work properly to minimise
body exposure, blade binding, or loss of control.
e) Hold the power tool by insulated gripping surfaces, when performing an operation
where the cutting tool may contact hidden wiring or its own cord. Contact with a "live"
wire will also make exposed metal parts of the power tool "live" and could give the
operator an electric shock.
f) When ripping, always use a rip fence or straight edge guide. This improves the
accuracy of cut and reduces the chance of blade binding.
g) Always use blades with correct size and shape (diamond versus round) of arbour
holes. Blades that do not match the mounting hardware of the saw will run off-centre,
causing loss of control.
h) Never use damaged or incorrect blade washers or bolt. The blade washers and bolt
were specially designed for your saw, for optimum performance and safety of operation.
8.14.1.101.3 Further safety instructions for all saws
Kickback causes and related warnings
– kickback is a sudden reaction to a pinched, jammed or misaligned saw blade, causing an
uncontrolled saw to lift up and out of the workpiece toward the operator;
– when the blade is pinched or jammed tightly by the kerf closing down, the blade stalls and
the motor reaction drives the unit rapidly back toward the operator;
– if the blade becomes twisted or misaligned in the cut, the teeth at the back edge of the
blade can dig into the top surface of the wood causing the blade to climb out of the kerf
and jump back toward the operator.
Kickback is the result of saw misuse and/or incorrect operating procedures or conditions and
can be avoided by taking proper precautions as given below.
a) Maintain a firm grip with both hands on the saw and position your arms to resist
kickback forces. Position your body to either side of the blade, but not in line with
t
...