AS/NZS 62841.4.3:2021 (Includes IEC Text)
Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety - Part 4.3: Particular requirements for pedestrian controlled walk-behind lawnmowers
AS/NZS 62841.4.3:2021 applies to the design of pedestrian controlled walk-behind cylinder lawnmowers; and rotary lawnmowers equipped with metallic cutting means; and/or rigid non-metallic cutting means; and/or non-metallic cutting means with one or more cutting elements pivotally mounted on a generally circular drive unit, where these cutting elements rely on centrifugal force to achieve cutting, and have a kinetic energy for each single cutting element of greater than 10 J. AS/NZS 62841.4.3:2021 will supersede AS/NZS 60335.2.77:2002 on 26 November 2024. During this period AS/NZS 60335.2.77:2002 will also remain current. Regulatory authorities that reference this Standard in regulation may apply these requirements at a different time. Users of this Standard should consult with these authorities to confirm their requirements.
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Insert from: "749.pdf"
CONTENTS
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
5 General conditions for the tests
6 Radiation, toxicity and similar hazards
7 Classification
8 Marking and instructions
8.14.1.101 Lawnmower safety warnings
9 Protection against access to live parts
10 Starting
11 Input and current
12 Heating
13 Resistance to heat and fire
14 Moisture resistance
15 Resistance to rusting
16 Overload protection of transformers and associated circuits
17 Endurance
18 Abnormal operation
19 Mechanical hazards
19.101 Requirements for all lawnmowers
19.101.1 Brake requirements and test method
19.101.1.1 General
19.101.1.2 Service brake
19.101.1.3 Parking brake
19.102 Particular requirements for rotary lawnmowers
19.102.1 Cutting means enclosure
19.102.1.1 General
19.102.1.2 Foot protection
19.102.1.2.1 Requirements
19.102.1.2.2 Foot protection test
19.102.2 Machines with grass catcher
19.102.2.1 General
19.102.2.2 Tilting
19.102.3 Handles
19.102.3.1 General
19.102.3.2 Swing-over handle
19.102.4 Cutting means stopping time
19.102.5 Thrown objects
19.102.5.2 General test requirements
19.102.5.3 Test equipment
19.102.5.4 Test preparation
19.102.5.5 Test procedure
19.102.5.6 Test acceptance
19.102.6 Obstruction test
19.102.7 Movable guard test
19.103 Particular requirements for cylinder lawnmowers
19.103.1 Handles
19.103.1.1 Handle construction
19.103.1.2 Handle latches and handle length
19.103.1.3 Pivoting
19.103.2 Cutting means enclosure
19.103.4 Stopping time of the cutting means
20 Mechanical strength
20.101 Requirements for rotary lawnmowers
20.101.1 Structural integrity
20.101.2 Cutting means impact
20.101.3 Imbalance
21 Construction
21.35 Dust collection
21.104 Controls
21.104.1 Location
21.104.2 Operator presence control
21.104.3 Traction drive control
21.104.3.1 General
22 Internal wiring
23 Components
24 Supply connection and external flexible cords
25 Terminals for external conductors
26 Provision for earthing
27 Screws and connections
28 Creepage distances, clearances and distances through insulation
Annexes
Annex I (informative) Measurement of noise and vibration emissions
I.2 Noise test code (grade 2)
I.2.2 Sound power level determination
I.2.2.1 General
I.2.2.2 Hand-held power tools
I.2.2.3 Transportable power tools
I.2.2.4 Lawn and garden machinery
I.2.2.101 Requirements for an artificial surface
I.2.2.102 Requirements for a natural ground surface
I.2.3 Emission sound pressure level determination
I.2.3.1 Hand-held tools
I.2.3.2 Transportable tools
I.2.4 Installation and mounting conditions of the power tools during noise tests
I.2.5 Operating conditions
I.3 Vibration
I.3.3.2 Location of measurement
I.3.5.1 General
I.3.5.2 Attachment, workpiece and task
I.3.5.3 Operating conditions
I.3.6.1 Reported vibration values
I.3.6.2 Declaration of the vibration total value
Annex K (normative) Battery tools and battery packs
K.3 Terms and definitions
K.8.14.1.101 Lawnmower safety warnings
K.14 Moisture resistance
K.19.101.1.3 Parking brake
K.19.102.2.2 Tilting
K.19.102.5.5 Test procedure
K.20.101.1 Structural integrity
K.20.101.3 Imbalance
K.21.302 Machines with integral batteries
K.21.302.2 Disabling device
K.21.302.2.1 General
K.21.302.2.2 Removable disabling device
K.21.302.2.3 Code protected disabling device
K.24 Supply connection and external flexible cords
K.28 Creepage distances, clearances and distances through insulation
Annex L (normative) Battery tools and battery packs provided with mains connection or non-isolated sources
L.3 Terms and definitions
L.19.101.1.3 Parking brake
L.19.102.2.2 Tilting
L.19.102.5.5 Test procedure
L.20.101.1 Structural integrity
L.20.101.3 Imbalance
L.21.302 Machines with integral batteries
L.21.302.2 Disabling device
L.21.302.2.1 General
L.21.302.2.2 Removable disabling device
L.21.302.2.3 Code protected disabling device
Annex AA (normative) Safety signs
Annex BB (normative) Test enclosure
BB.1 Base
BB.2 Test enclosure and target panels
BB.2.1 General
BB.2.2 Target panel
BB.2.2.1 Material
BB.2.2.2 Corrugated fibreboard penetration test
BB.2.2.2.1 Purpose
BB.2.2.2.2 Test fixture
BB.2.2.2.3 Fibreboard samples
BB.2.2.2.4 Procedure
BB.2.2.2.5 Acceptance criteria
Annex CC (normative) Rotary lawnmower foot protection test
CC.1 General
CC.2 Test object
CC.3 Apparatus
CC.4 Test conditions and rotary lawnmower preparation
CC.5 Verification
CC.5.1 General
CC.5.2 Probe movement
Annex DD (normative) Lawnmower cutting means stopping time test
DD.1 General
DD.2 Apparatus
DD.2.2 Time recording device
DD.3 Test condition and lawnmower preparation
DD.4 Cutting means stopping time
DD.5 Test procedure
Annex EE (informative) Example of a material and construction for fulfilling the requirements for an artificial surface
EE.1 Material
EE.2 Construction
Bibliography
Previous versions
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Insert from: "749.pdf"
CONTENTS
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
5 General conditions for the tests
6 Radiation, toxicity and similar hazards
7 Classification
8 Marking and instructions
8.14.1.101 Lawnmower safety warnings
9 Protection against access to live parts
10 Starting
11 Input and current
12 Heating
13 Resistance to heat and fire
14 Moisture resistance
15 Resistance to rusting
16 Overload protection of transformers and associated circuits
17 Endurance
18 Abnormal operation
19 Mechanical hazards
19.101 Requirements for all lawnmowers
19.101.1 Brake requirements and test method
19.101.1.1 General
19.101.1.2 Service brake
19.101.1.3 Parking brake
19.102 Particular requirements for rotary lawnmowers
19.102.1 Cutting means enclosure
19.102.1.1 General
19.102.1.2 Foot protection
19.102.1.2.1 Requirements
19.102.1.2.2 Foot protection test
19.102.2 Machines with grass catcher
19.102.2.1 General
19.102.2.2 Tilting
19.102.3 Handles
19.102.3.1 General
19.102.3.2 Swing-over handle
19.102.4 Cutting means stopping time
19.102.5 Thrown objects
19.102.5.2 General test requirements
19.102.5.3 Test equipment
19.102.5.4 Test preparation
19.102.5.5 Test procedure
19.102.5.6 Test acceptance
19.102.6 Obstruction test
19.102.7 Movable guard test
19.103 Particular requirements for cylinder lawnmowers
19.103.1 Handles
19.103.1.1 Handle construction
19.103.1.2 Handle latches and handle length
19.103.1.3 Pivoting
19.103.2 Cutting means enclosure
19.103.4 Stopping time of the cutting means
20 Mechanical strength
20.101 Requirements for rotary lawnmowers
20.101.1 Structural integrity
20.101.2 Cutting means impact
20.101.3 Imbalance
21 Construction
21.35 Dust collection
21.104 Controls
21.104.1 Location
21.104.2 Operator presence control
21.104.3 Traction drive control
21.104.3.1 General
22 Internal wiring
23 Components
24 Supply connection and external flexible cords
25 Terminals for external conductors
26 Provision for earthing
27 Screws and connections
28 Creepage distances, clearances and distances through insulation
Annexes
Annex I (informative) Measurement of noise and vibration emissions
I.2 Noise test code (grade 2)
I.2.2 Sound power level determination
I.2.2.1 General
I.2.2.2 Hand-held power tools
I.2.2.3 Transportable power tools
I.2.2.4 Lawn and garden machinery
I.2.2.101 Requirements for an artificial surface
I.2.2.102 Requirements for a natural ground surface
I.2.3 Emission sound pressure level determination
I.2.3.1 Hand-held tools
I.2.3.2 Transportable tools
I.2.4 Installation and mounting conditions of the power tools during noise tests
I.2.5 Operating conditions
I.3 Vibration
I.3.3.2 Location of measurement
I.3.5.1 General
I.3.5.2 Attachment, workpiece and task
I.3.5.3 Operating conditions
I.3.6.1 Reported vibration values
I.3.6.2 Declaration of the vibration total value
Annex K (normative) Battery tools and battery packs
K.3 Terms and definitions
K.8.14.1.101 Lawnmower safety warnings
K.14 Moisture resistance
K.19.101.1.3 Parking brake
K.19.102.2.2 Tilting
K.19.102.5.5 Test procedure
K.20.101.1 Structural integrity
K.20.101.3 Imbalance
K.21.302 Machines with integral batteries
K.21.302.2 Disabling device
K.21.302.2.1 General
K.21.302.2.2 Removable disabling device
K.21.302.2.3 Code protected disabling device
K.24 Supply connection and external flexible cords
K.28 Creepage distances, clearances and distances through insulation
Annex L (normative) Battery tools and battery packs provided with mains connection or non-isolated sources
L.3 Terms and definitions
L.19.101.1.3 Parking brake
L.19.102.2.2 Tilting
L.19.102.5.5 Test procedure
L.20.101.1 Structural integrity
L.20.101.3 Imbalance
L.21.302 Machines with integral batteries
L.21.302.2 Disabling device
L.21.302.2.1 General
L.21.302.2.2 Removable disabling device
L.21.302.2.3 Code protected disabling device
Annex AA (normative) Safety signs
Annex BB (normative) Test enclosure
BB.1 Base
BB.2 Test enclosure and target panels
BB.2.1 General
BB.2.2 Target panel
BB.2.2.1 Material
BB.2.2.2 Corrugated fibreboard penetration test
BB.2.2.2.1 Purpose
BB.2.2.2.2 Test fixture
BB.2.2.2.3 Fibreboard samples
BB.2.2.2.4 Procedure
BB.2.2.2.5 Acceptance criteria
Annex CC (normative) Rotary lawnmower foot protection test
CC.1 General
CC.2 Test object
CC.3 Apparatus
CC.4 Test conditions and rotary lawnmower preparation
CC.5 Verification
CC.5.1 General
CC.5.2 Probe movement
Annex DD (normative) Lawnmower cutting means stopping time test
DD.1 General
DD.2 Apparatus
DD.2.2 Time recording device
DD.3 Test condition and lawnmower preparation
DD.4 Cutting means stopping time
DD.5 Test procedure
Annex EE (informative) Example of a material and construction for fulfilling the requirements for an artificial surface
EE.1 Material
EE.2 Construction
Bibliography
Previous versions
AS/NZS 62841.4.3:2021 (Includes IEC Text)
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.