SN EN ISO 11681-2 : 2012 AMD 1 2017

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Safety requirements
  4.1 Handles
  4.2 Hand protection
       4.2.1 Protection at the front handle
       4.2.2 Protection at the rear handle
  4.3 Balance
  4.4 Protection against injury by kickback
  4.5 Chain catcher
  4.6 Spiked bumper
  4.7 Chip discharge
  4.8 Guide-bar cover
  4.9 Noise emission
  4.10 Vibration
  4.11 Throttle trigger
  4.12 Engine-stopping device
  4.13 Protection against contact with parts under high
       voltage
  4.14 Clutch
  4.15 Carburettor adjustment
  4.16 Protection against contact with hot parts
  4.17 Exhaust gases
  4.18 Chain lubrication
  4.19 Tank openings
  4.20 Chain tensioning
  4.21 Attachment point
5 Verification of safety requirements
6 Information for use
  6.1 General
  6.2 Technical data
  6.3 Instruction handbook
  6.4 Marking
Annex A (normative) List of hazards
Annex B (normative) Minimum handle clearance and sizes
Annex C (normative) Determination of holding moment
Annex D (normative) Sideways balance test procedure
Annex E (informative) Working with tree service chain-saws from
        rope and harness
Annex F (informative) Pictograms
Annex ZA (informative) Relationship of this document with EC Directives

Describes safety requirements and their verification for the design and construction of portable combustion-engined, hand-held chain-saws for tree service, designed for use by a trained operator for pruning and dismantling standing tree crowns.