Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety - Part 4-7: Particular requirements for pedestrian controlled walk-behind lawn scarifiers and aerators (Fast track process)

IEC 62841-4-7:2022 clause 1 of IEC 62841-1:2014, is applicable, except as follows:
Addition:
This document applies to pedestrian controlled walk-behind lawn scarifiers and lawn aerators which are designed for regenerating lawns by combing out materials such as grass, thatch and moss or cutting vertically into the lawn face using
metallic tines; and/or
rigid non-metallic tines
which rotate about a horizontal axis.
This document does not apply to
pedestrian controlled walk-behind lawnmowers;
towed/semi-mounted lawn scarifiers and lawn aerators;
ride-on machines;
non-powered lawn scarifiers and lawn aerators;
combustion engine powered lawn scarifiers and lawn aerators;
plug aerators (corers);
hybrid and fuel cell powered machines and associated charging systems; and
garden tractors or their attachments.
The contents of the corrigendum of May 2023 have been included in this copy.

Outils électroportatifs à moteur, outils portables et machines pour jardins et pelouses - Sécurité - Partie 4-7: Exigences particulières pour les scarificateurs à gazon et les aérateurs de gazon à conducteur à pied

IEC 62841-4-7:2022, La clause 1 de la IEC 62841-1:2014 est applicable, sauf dans les cas suivants :
Addition:
Le présent document s’applique aux scarificateurs et aux aérateurs de pelouse contrôlés par les piétons qui sont conçus pour régénérer les pelouses en peignant des matériaux tels que l’herbe, le chaume et la mousse ou en coupant verticalement dans la taille de la pelouse à l’aide de
tiges métalliques; et/ou
tiges rigides non métalliques
qui tournent autour d’un axe horizontal.
Le présent document ne s’applique pas aux
tondeuses à gazon à marche contrôlées par les piétons;
scarificateurs de pelouse et aérateurs de pelouse remorqués/semi-montés;
machines autoportées;
scarificateurs de pelouse et aérateurs de pelouse non motorisés;
scarificateurs de pelouse et aérateurs de pelouse alimentés par moteur à combustion;
aérateurs de bouchon (corers);
les machines hybrides et à pile à combustible et les systèmes de charge associés; et
tracteurs de jardin ou leurs accessoires.
Le contenu du corrigendum de mai 2023 a été pris en considération dans cet exemplaire.

General Information

Status
Published
Publication Date
19-Jul-2022
Current Stage
PPUB - Publication issued
Start Date
05-Aug-2022
Completion Date
20-Jul-2022
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IEC 62841-4-7:2022 - Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety - Part 4-7: Particular requirements for pedestrian controlled walk-behind lawn scarifiers and aerators
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IEC 62841-4-7 ®
Edition 1.0 2022-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Electric motor-operated hand-held tools, transportable tools and lawn and
garden machinery – Safety –
Part 4-7: Particular requirements for pedestrian controlled walk-behind lawn
scarifiers and aerators
Outils électroportatifs à moteur, outils portables et machines pour jardins et
pelouses – Sécurité –
Partie 4-7: Exigences particulières pour les scarificateurs à gazon et les
aérateurs de gazon à conducteur à pied

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IEC 62841-4-7 ®
Edition 1.0 2022-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Electric motor-operated hand-held tools, transportable tools and lawn and

garden machinery – Safety –
Part 4-7: Particular requirements for pedestrian controlled walk-behind lawn

scarifiers and aerators
Outils électroportatifs à moteur, outils portables et machines pour jardins et

pelouses – Sécurité –
Partie 4-7: Exigences particulières pour les scarificateurs à gazon et les

aérateurs de gazon à conducteur à pied

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.140.30 ISBN 978-2-8322-3961-2

– 2 – IEC 62841-4-7:2022 © IEC 2022
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 9
4 General requirements . 12
5 General conditions for the tests . 12
6 Radiation, toxicity and similar hazards . 12
7 Classification . 12
8 Marking and instructions . 13
9 Protection against access to live parts . 16
10 Starting . 16
11 Input and current . 17
12 Heating . 17
13 Resistance to heat and fire . 17
14 Moisture resistance . 17
15 Resistance to rusting . 18
16 Overload protection of transformers and associated circuits . 19
17 Endurance . 19
18 Abnormal operation . 19
19 Mechanical hazards . 20
20 Mechanical strength . 33
21 Construction . 34
22 Internal wiring . 38
23 Components . 38
24 Supply connection and external flexible cords . 40
25 Terminals for external conductors . 42
26 Provision for earthing . 42
27 Screws and connections . 42
28 Creepage distances, clearances and distances through insulation . 42
Annexes . 47
Annex I (informative) Measurement of noise and vibration emissions . 47
Annex K (normative) Battery tools and battery packs . 56
Annex L (normative) Battery tools and battery packs provided with mains connection
or non-isolated sources . 71
Annex AA (normative) Product safety labels . 75
Annex BB (normative) Test surface . 80
Annex CC (normative) Lawn scarifier and lawn aerator foot protection test . 82
Annex DD (normative) Lawn scarifier and lawn aerator tines stopping time test . 85
Annex EE (informative) Example of a material and construction for fulfilling the
requirements for an artificial surface . 87
Bibliography . 89

Figure 101 – Example of a lawn scarifier or a lawn aerator . 11
Figure 102 – Operator control zones . 23
Figure 103 – Safety distances – single-axle machines . 25
Figure 104 – Handle distance – machines with more than one axle . 26
Figure 105 – Guarding of lawn scarifier and lawn aerator tines, general . 27
Figure 106 – Guarding of lawn scarifier and lawn aerator tines, side coverage . 28
Figure 107 – Guarding of lawn scarifier and lawn aerator tines, rear discharge . 29
Figure 108 – Guarding of lawn scarifier and lawn aerator tines, front discharge . 30
Figure 109 – Thrown object test rig for rear discharge lawn scarifiers and lawn aerators . 32
Figure 110 – Strength of tines assembly . 34
Figure 111 – Impact test fixture for handle insulation . 36
Figure 112 – Test assembly for accessibility of attachment plug blades . 41
Figure I.101 – Microphone positions on the hemisphere (see Table I.101) . 47
Figure I.102 – Examples of positions of transducers for lawn scarifiers and lawn
aerators . 54
Figure K.301 – Examples of separable battery pack connection points and direction of

applied force . 65
Figure AA.1 – Product safety labels illustrating – "WARNING – Beware of thrown
objects – keep bystanders away" . 75
Figure AA.2 – Product safety label illustrating – "WARNING – Keep hands and feet
away from the tines" . 76
Figure AA.3 – Product safety labels illustrating – "WARNING – Remove plug from

mains before maintenance or if cord is damaged" . 76
Figure AA.4 – Product safety label illustrating – "WARNING – Keep the supply cord
away from the tines" . 77
Figure AA.5 – Product safety labels illustrating – "WARNING – Disconnect battery
before maintenance" . 77
Figure AA.6 – Product safety labels illustrating – "WARNING – Remove the disabling

device before maintenance
...

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