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EN 14910:2007+A1:2009

Current
Current

The latest, up-to-date edition.

Garden equipment - Walk-behind combustion engine powered trimmers - Safety
Published date

22-04-2009

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 List of significant hazards
5 Safety requirements and/or measures and means of
  verification
  5.1 General
  5.2 Guards
       5.2.1 General
       5.2.2 Power driven components (other than the
              cutting means)
       5.2.3 Guarding of cutting means
       5.2.4 Hot surfaces
  5.3 Protection from exhaust fumes
  5.4 Liquid spillage
  5.5 Tank openings
  5.6 Controls
  5.7 Electrical requirements for battery circuits
       and high tension ignition circuits
       5.7.1 Electrical cables
       5.7.2 Battery installation
       5.7.3 Overload protection
       5.7.4 Terminals and un-insulated electrical parts
       5.7.5 High voltage parts
  5.8 Engine stopping and starting
  5.9 Handle construction
  5.10 Vibration
       5.10.1 Reduction by design and protective measures
       5.10.2 Reduction by information
       5.10.3 Vibration measurement
  5.11 Noise
       5.11.1 Reduction as a safety requirement
       5.11.2 Noise emission measurement
  5.12 Cutting means
       5.12.1 General
       5.12.2 Cutting elements
  5.13 Mechanical strength and rigidity
       5.13.1 General
       5.13.2 Cutting means guard (mechanical strength
              and rigidity)
       5.13.3 Mechanical strength of cutting head
6 Information for use
  6.1 Instructions for use
  6.2 Marking
       6.2.1 Minimum marking
       6.2.2 Warnings
       6.2.3 Cutting head
       6.2.4 Marking durability
       6.2.5 Test
Annex A (normative) Vibration
  A.1 Quantities to be measured
  A.2 Instrumentation
      A.2.1 General
      A.2.2 Fastening of transducer
      A.2.3 Calibration
  A.3 Measurement direction and measurement location
      A.3.1 Measurement direction
      A.3.2 Measurement location
  A.4 Test procedure
      A.4.1 Determination of working procedure
      A.4.2 Test method
  A.5 Measurement procedure
  A.6 Determination of the measurement result
Annex B (normative) Noise test code - Engineering method
        (grade 2)
  B.1 General
  B.2 Scope
  B.3 Sound power level determination
  B.4 A-weighted emission sound pressure level
      determination
  B.5 Requirements for test floor
      B.5.1 Artificial surface
      B.5.2 Natural grass
  B.6 Installation, mounting and operating conditions
  B.7 Information to be recorded and reported
  B.8 Measurement uncertainties and declaration of
      noise emission values
Annex C (informative) Example of a material and
        construction fulfilling the requirements
        for an artificial surface as required by B.5.1
  C.1 Material
  C.2 Construction
Annex D (normative) Calculation of kinetic energy
Annex E (normative) Safety signs for use on trimmers
Annex F (informative) Safety instructions
  F.1 Introduction
  F.2 General provisions
  F.3 Safe operating practices
      F.3.1 Training
      F.3.2 Preparation
      F.3.3 Operation
      F.3.4 Maintenance and storage
Annex ZA (informative) Relationship between this European
         Standard and the Essential Requirements of EU
         Directive 98/37/EC
Annex ZB (informative) Relationship between this European
         Standard and the Essential Requirements of EU
         Directive 2006/42/EC
Bibliography

This European Standard deals with all significant hazards, hazardous situations and events relevant to walk-behind trimmers, powered by a combustion engine, with cutting means using non-metallic filament line or freely pivoting non-metallic cutter(s), of which the cutting elements rely on centrifugal force to achieve cutting with the kinetic energy of a single cutting element not exceeding 10 J, designed for cutting grass or similar plant material, when they are used as intended and under conditions of misuse which are reasonably foreseeable by the manufacturer (see Clause 4).This European Standard is not applicable to:a)walk-behind trimmers with cutting means other than those described above;b)self propelled walk-behind trimmers or walk-behind edge trimmers;c)lawnmowers using non-metallic filament line or freely pivoting non-metallic cutting elements with greater than 10 J kinetic energy;NOTE 1 EN 836 applies for machines using non-metallic filament line or freely pivoting non-metallic cutting elements with greater than 10 J kinetic energy.d)motor mowers using metal or other solid cutting elements.NOTE 2EN 12733 applies for machines using metal or other solid cutting elements.EMC and environmental hazards other than noise have not been considered in this European Standard.This European Standard is not applicable to walk-behind trimmers which are manufactured before the date of its publication as EN.NOTE 3Lawn trimmers and lawn edge trimmers (electric powered) are dealt with in EN 786, grass trimmers (internal combustion engine powered) are dealt with in EN 11806 and lawn mowers (internal combustion engine powered) are dealt with in EN 836.

Committee
CEN/TC 144
DevelopmentNote
2007 Edition Re-issued in April 2009 & incorporates AMD 1 2009. (07/2009)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

UNI CEN/TR 15350 : 2013 MECHANICAL VIBRATION - GUIDELINE FOR THE ASSESSMENT OF EXPOSURE TO HAND-TRANSMITTED VIBRATION USING AVAILABLE INFORMATION INCLUDING THAT PROVIDED BY MANUFACTURERS OF MACHINERY
CEN/TR 15350:2013 Mechanical vibration - Guideline for the assessment of exposure to hand-transmitted vibration using available information including that provided by manufacturers of machinery
PD CEN/TR 15350:2013 Mechanical vibration. Guideline for the assessment of exposure to hand-transmitted vibration using available information including that provided by manufacturers of machinery
S.R. CEN/TR 15350:2013 MECHANICAL VIBRATION - GUIDELINE FOR THE ASSESSMENT OF EXPOSURE TO HAND-TRANSMITTED VIBRATION USING AVAILABLE INFORMATION INCLUDING THAT PROVIDED BY MANUFACTURERS OF MACHINERY
UNE-CEN/TR 15350:2013 IN Mechanical vibration - Guideline for the assessment of exposure to hand-transmitted vibration using available information including that provided by manufacturers of machinery

EN 294:1992/AC:1993 SAFETY OF MACHINERY - SAFETY DISTANCES TO PREVENT DANGER ZONES BEING REACHED BY THE UPPER LIMBS
EN 786:1996+A2:2009 Garden equipment - Electrically powered walk-behind and hand-held lawn trimmers and lawn edge trimmers - Mechanical safety
ISO 3744:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for an essentially free field over a reflecting plane
ISO 354:2003 Acoustics — Measurement of sound absorption in a reverberation room
ISO/TR 11688-1:1995 Acoustics Recommended practice for the design of low-noise machinery and equipment Part 1: Planning
EN 836:1997+A4:2011 Garden equipment - Powered lawnmowers - Safety
EN 1033 : 1995 HAND-ARM VIBRATION - LABORATORY MEASUREMENT OF VIBRATION AT THE GRIP SURFACE OF HAND-GUIDED MACHINERY - GENERAL
EN 12733:2001+A1:2009 Agricultural and forestry machinery - Pedestrian controlled motor mowers - Safety
EN ISO 11820 : 1996 ACOUSTICS - MEASUREMENTS ON SILENCERS IN SITU
EN ISO 11688-2 : 2000 ACOUSTICS - RECOMMENDED PRACTICE FOR THE DESIGN OF LOW-NOISE MACHINERY AND EQUIPMENT - PART 2: INTRODUCTION TO THE PHYSICS OF LOW-NOISE DESIGN
CR 1030-1 : 1995 HAND-ARM VIBRATION - GUIDELINES FOR VIBRATION HAZARDS REDUCTION - PART 1: ENGINEERING METHODS BY DESIGN OF MACHINERY
ISO 11820:1996 Acoustics — Measurements on silencers in situ
EN ISO 11201:2010 Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections (ISO 11201:2010)
EN ISO 354:2003 Acoustics - Measurement of sound absorption in a reverberation room (ISO 354:2003)
EN ISO 12100-1:2003/A1:2009 SAFETY OF MACHINERY - BASIC CONCEPTS, GENERAL PRINCIPLES FOR DESIGN - PART 1: BASIC TERMINOLOGY, METHODOLOGY
EN ISO 3744:2010 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane (ISO 3744:2010)
ISO 12100-2:2003 Safety of machinery Basic concepts, general principles for design Part 2: Technical principles
EN ISO 12100-2:2003/A1:2009 SAFETY OF MACHINERY - BASIC CONCEPTS, GENERAL PRINCIPLES FOR DESIGN - PART 2: TECHNICAL PRINCIPLES
EN ISO 11806:2008 Agricultural and forestry machinery - Portable hand-held combustion engine driven brush cutters and grass trimmers - Safety (ISO 11806:1997)
ISO 12100-1:2003 Safety of machinery Basic concepts, general principles for design Part 1: Basic terminology, methodology
EN ISO 11691:2009 Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:1995)
ISO 11806:1997 Agricultural and forestry machinery Portable hand-held combustion engine driven brush cutters and grass trimmers Safety
1998/37/EC : 1998 DIRECTIVE 98/37/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 22 JUNE 1998 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES RELATING TO MACHINERY
EN ISO 11688-1:2009 Acoustics - Recommended practice for the design of low-noise machinery and equipment - Part 1: Planning (ISO/TR 11688-1:1995)
ISO/TR 11688-2:1998 Acoustics Recommended practice for the design of low-noise machinery and equipment Part 2: Introduction to the physics of low-noise design
EN 14930:2007+A1:2009 Agricultural and forestry machinery and gardening equipment - Pedestrian controlled and hand-held machines - Determination of accessibility of hot surfaces
ISO 11201:2010 Acoustics Noise emitted by machinery and equipment Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections
ISO 11691:1995 Acoustics Measurement of insertion loss of ducted silencers without flow Laboratory survey method

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