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BS EN IEC 62841-4-7:2022

BS EN IEC 62841-4-7:2022

$215.11

Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery. Safety – Particular requirements for pedestrian controlled walk-behind lawn scarifiers and aerators

Published By Publication Date Number of Pages
BSI 2022 94
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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.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 European foreword
Endorsement notice
5 English
CONTENTS
8 FOREWORD
10 INTRODUCTION
11 1 Scope
2 Normative references
12 3 Terms and definitions
14 Figures
Figure 101 – Example of a lawn scarifier or a lawn aerator
15 4 General requirements
5 General conditions for the tests
6 Radiation, toxicity and similar hazards
7 Classification
16 8 Marking and instructions
19 9 Protection against access to live parts
10 Starting
20 11 Input and current
12 Heating
13 Resistance to heat and fire
14 Moisture resistance
21 15 Resistance to rusting
22 16 Overload protection of transformers and associated circuits
17 Endurance
18 Abnormal operation
23 19 Mechanical hazards
Tables
Table 4 – Required performance levels
26 Figure 102 – Operator control zones
28 Figure 103 – Safety distances – single-axle machines
29 Figure 104 – Handle distance – machines with more than one axle
30 Figure 105 – Guarding of lawn scarifier and lawn aerator tines, general
31 Figure 106 – Guarding of lawn scarifier and lawn aerator tines, side coverage
32 Figure 107 – Guarding of lawn scarifier and lawn aerator tines, rear discharge
33 Figure 108 – Guarding of lawn scarifier and lawn aerator tines, front discharge
35 Figure 109 – Thrown object test rig for rear discharge lawn scarifiers and lawn aerators
36 20 Mechanical strength
37 21 Construction
Figure 110 – Strength of tines assembly
39 Figure 111 – Impact test fixture for handle insulation
41 22 Internal wiring
23 Components
43 24 Supply connection and external flexible cords
44 Figure 112 – Test assembly for accessibility of attachment plug blades
45 25 Terminals for external conductors
26 Provision for earthing
27 Screws and connections
28 Creepage distances, clearances and distances through insulation
Table 9 – Pull and torque value
47 Table 12 – Minimum creepage distances and clearances
50 Annexes
Annex I(informative)Measurement of noise and vibration emissions
Figure I.101 – Microphone positions on the hemisphere (see Table I.101)
53 Table I.101 – Co-ordinates of microphone positions
Table I.102 – Values of the constant a
Table I.103 – Absorption coefficients
57 Figure I.102 – Examples of positions of transducersfor lawn scarifiers and lawn aerators
59 Annex K(normative)Battery tools and battery packs
64 Table 4 – Required performance levels
68 Figure K.301 – Examples of separable battery packconnection points and direction of applied force
70 Table K.301 – Pull and torque value
72 Table K.1 – Minimum creepage distances and clearancesbetween parts of different potential
73 Table K.2 – Minimum total sum of creepage distancesand clearances to accessible surfaces
74 Annex L(normative)Battery tools and battery packs provided withmains connection or non-isolated sources
78 Annex AA(normative)Product safety labels
Figure AA.1 – Product safety labels illustrating – “WARNING –Beware of thrown objects – keep bystanders away”
79 Figure AA.2 – Product safety label illustrating – “WARNING – Keep hands and feet away from the tines”
Figure AA.3 – Product safety labels illustrating – “WARNING –Remove plug from mains before maintenance or if cord is damaged”
80 Figure AA.4 – Product safety label illustrating – “WARNING –Keep the supply cord away from the tines”
Figure AA.5 – Product safety labels illustrating – “WARNING –Disconnect battery before maintenance”
81 Figure AA.6 – Product safety labels illustrating – “WARNING –Remove the disabling device before maintenance”
82 Figure AA.7 – Product safety labels illustrating – “WARNING –Activate the disabling device before maintenance”
83 Annex BB(normative)Test surface
Figure BB.1 – Test surface detail
84 Figure BB.2 – Example of test surface, nail plan
85 Annex CC(normative)Lawn scarifier and lawn aerator foot protection test
Figure CC.1 – Foot probe
87 Figure CC.2 – Area to be probed for lawn scarifiers and lawn aerators
88 Annex DD(normative)Lawn scarifier and lawn aerator tines stopping time test
90 Annex EE(informative)Example of a material and construction forfulfilling the requirements for an artificial surface
91 Figure EE.1 – Sketch of the measurement surface covered with an artificial surface
92 Bibliography

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BS EN IEC 62841-4-7:2022
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