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BS EN 62841-4-2:2019+A1:2022

BS EN 62841-4-2:2019+A1:2022

$215.11

Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery. Safety – Particular requirements for hedge trimmers

Published By Publication Date Number of Pages
BSI 2022 114
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PDF Catalog

PDF Pages PDF Title
2 undefined
13 CONTENTS
16 FOREWORD
18 INTRODUCTION
19 1 Scope
2 Normative references
20 3 Terms and definitions
21 4 General requirements
5 General conditions for the tests
22 6 Radiation, toxicity and similar hazards
7 Classification
8 Marking and instructions
25 9 Protection against access to live parts
10 Starting
11 Input and current
12 Heating
13 Resistance to heat and fire
14 Moisture resistance
26 15 Resistance to rusting
16 Overload protection of transformers and associated circuits
17 Endurance
18 Abnormal operation
27 19 Mechanical hazards
Tables
Table 4 – Required performance levels
34 Table 101 – Hedge trimmer categories (excluding extended-reach hedge trimmers)
35 Table 102 – Extended-reach hedge trimmer categories
41 20 Mechanical strength
44 21 Construction
45 Table 7 – Switch trigger force
47 22 Internal wiring
48 23 Components
49 Table 103 – Test cycle for two-handed blade controls with non-sequential operation
Table 104 – Test cycle for two-handed blade controls with sequential operation
50 24 Supply connection and external flexible cords
51 25 Terminals for external conductors
26 Provision for earthing
27 Screws and connections
28 Creepage distances, clearances and distances through insulation
53 Table 12 – Minimum creepage distances and clearances
56 Figure 101 – Pictorial representation of some definitions
Figure 102 – Pictorial representation of some definitions
57 Figures
Figure 103 – Measurement of cutting length
58 Figure 104 – Handles positioning
60 Figure 105 – Measurement of handle gripping length
Figure 106 – Adjustable front handle limits for side to side handle rotation
61 Figure 107 – Adjustable rear handle limits for side to side handle rotation
62 Figure 108 – Measurement of reach distance
63 Figure 109 – Front hand barrier dimensions
Figure 110 – Front hand barrier width for category 3a with adjustable cutting device
64 Figure 111 – Examples of compliant/non-compliant handle distances and handle attachments for category 1
65 Figure 112 – Measurement of distance from the cutter blade to handles and grasping surfaces
66 Figure 113 – Measurement method for minimum length of blunt extensions along the axis of the cutting device
67 Figure 114 – Cutting device configuration examples for categories 1 and 2 (see Table 101 and Table 102)
Figure 115 – Cutting device configuration example for categories 3a and 3b (see Table 101 and Table 102)
68 Figure 116 – Cutting device configuration example for category 4 (see Table 101 and Table 102)
69 Figure 117 – Adjustable cutting device side to side limits
Figure 118 – Lower barrier
70 Figure 119 – Measurement of the force necessary to maintain an extended-reach hedge trimmer in a horizontal orientation
72 Figure 120 – Hedge trimmer positions for drop test of 20.3.1
73 Figure 121 – Additional drop test of 20.3.1for extended-reach hedge trimmers
74 Figure 122 – Impact test fixture for handle insulation
75 Figure 123 – Mounting and application of forcefor the test of 20.101.3.3
Figure 124 – Example of an operator presence sensor
76 Figure 125 – Test assembly for accessibility ofattachment plug blades
Figure 126 – Application of steel rod when rotated around the rear handle
77 Figure 127 – Application of steel rod when applied in the direction perpendicular to the rear handle axis
78 Annexes
79 Annex I (informative) Measurement of noise and vibration emissionsNOTE
Figure I.101 – Microphone positions on the hemisphere (see Table I.101)
81 Table I.101 – Coordinates of microphone positions
Table I.102 – Absorption coefficients
85 Figure I.102 – Positions of transducers for hedge trimmers, except for extended-reach hedge trimmers
86 Figure I.103 – Positions of transducers for extended-reach hedge trimmers
88 Annex K (normative) Battery tools and battery packs
97 Table K.301 – Pull and torque value
99 Table K.1 – Minimum creepage distances and clearances between parts of different potential
100 Table K.2 – Minimum total sum of creepage distances and clearances to accessible surfaces
101 Annex L (normative) Battery tools and battery packs provided with mains connection or non-isolated sources
107 Annex AA (normative) Safety signs for safety instructions and warnings
Figure AA.1 – Safety sign illustrating – “DANGER –Keep hands away from blade”
Figure AA.2 – Alternative safety sign illustrating – “DANGER –Keep hands away from blade”
Figure AA.3 – Safety sign illustrating –”Do not expose to rain”
108 Figure AA.4 – Safety sign illustrating – “Remove plug fromthe mains immediately if the cable is damaged or cut”
Figure AA.5 – Safety signs illustrating –”Wear eye protection”
109 Figure AA.6 – Optional safety sign illustrating –”Wear eye and head protection”
Figure AA.7 – Safety sign illustrating – “Wear ear protection”
110 Annex BB (informative) Example of a material and construction for fulfilling the requirements for an artificial surface
111 Figure BB.1 – Sketch of the measurement surface covered with an artificial surface
112 Bibliography

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BS EN 62841-4-2:2019+A1:2022
$215.11