Detail of GB 3883.14-2007

Introduction of GB 3883.14-2007

1 Scope This Chapter of Part 1 is applicable, except as follows: Addition: This Part applies to chain saws for cutting wood and designed for use by one person. This Part does not cover chain saws designed for use in conjunction with a guide-plate and riving knife or in any other way such as with a support or as a stationary or transportable machine. This Part does not apply to chain saws for tree service as defined in ISO 11681-2:1998, Pole Cutters and Pruners. 2 Normative References This Chapter of Part 1 is applicable, except as follows: Addition: ISO 3864-3DIS Graphical Symbols — Safety Colours and Safety Signs – Part 3: Design Criteria for Graphical Symbols Used in Safety Signs ISO 6533:2001 Forestry Machinery— Portable Chain-saw Front Hand-guard — Dimensions and Clearances ISO 6534:1992 Portable Chain-saws — Hand-guards – Mechanical Strength a ISO 7914:2002 Forestry Machinery — Portable Chain-saws — Minimum handle Clearance and Sizes ISO 7915:1991 Forestry Machinery — Portable Chain-saws — Determination of Handle Strength b ISO 8334:1985 Forestry Machinery — Portable Chain-saws – Determination of Balance ISO 9518 1998 Forestry Machinery — Portable Chain-saws — Kickback Test ISO 10726:1992 Portable Chain-saws — Chain Catcher — Dimensions and Mechanical Strength c ISO 11681-2:1998 Machinery for Forestry — Portable Chain-saws — Safety Requirements and Testing – Part 2: Chain-saws for Tree Service

Contents of GB 3883.14-2007

Foreword III 1 Scope 2 Normative References 3 Terms and Definitions 4 General Requirements 5 General Conditions for the Tests 6 Void 7 Classification 8 Marking and Instructions 9 Protection Against Access to Live Parts 10 Starting 11 Input and Current 12 Heating 13 Leakage Current 14 Moisture Resistance 15 Electric Strength 16 Overload Protection of Transformers and Associated Circuits 17 Endurance 18 Abnormal Operation 19 Mechanical Hazards 20 Mechanical Strength 21 Construction 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 29 Resistance to Heat, Fire and Tracking 30 Resistance to Rusting 31 Radiation, Toxicity and Similar Hazards Appendixes Appendix K (Normative) Battery Tools and Battery Packs Appendix AA (Normative) Symbols for Safety Recommendations and Warnings Appendix BB (Informative) Instructions Concerning the Proper Techniques for basic felling, Limbing, and Cross-cutting Bibliography Figure 101 Chain Saw Nomenclature Figure 102 Cutting Length Figure 103 Holding the Chain Saw Figure 104 Minimum Rear Hand Guard Dimensions Figure 105 Straight Test Probe Figure 106 Chain Brake Test Figure 107 Static Test for Release Force Figure 108 Bar Tip Guard Figure 109 Handle Gripping Area Figure 110 Impact Text Fixture for Handle Insulation Figure BB.101 Description of Felling: Escape Routes Figure BB.102 Description of Felling: Undercutting Figure BB.103 Tree Limbing Figure BB.104 Log Supported Along the Entire Length Figure BB.105 Log Supported One End Figure BB.106 Log Supported Both Ends Figure BB.107 Bucking a Log