Table of Contents
Introduction
Key Safety Information ..................................1 – 4
• Chain Shot Warning ...........................................1
• How Chain Shot Happens ......................................2
• Minimizing the Risk of a Chain Shot Event .......................3
• Operator, Ground Personnel, and Bystander Safety. . . . . . . . . . . . . . . 3
• Guard and Shields ............................................3
• Windows .....................................................4
• A Cutting System .............................................4
Chain Catcher ................................................5
Chain Shot Guard ............................................5
Operational Recommendations
Operational Parameters, Service Life, and Safety .............7
Technical Data ..........................................7 – 8
Lubrication .............................................8 – 9
Chain Tension .........................................9 – 10
Saw Chain Speed ......................................... 12
Installation and Break-In .................................. 13
Best Practices ............................................ 14
• Daily Inspections ............................................14
• Replacement Schedule ......................................14
• Use Sharp Chain ............................................14
• Cutting Safety ...............................................15
Saw Chain
Terminology ..........................................19 – 21
• Saw Chain Pitch .............................................19
• Saw Chain Gauge ............................................19
• Parts of a Cutter .............................................20
• Parts of Saw Chain ...........................................20
• How a Cutter Works .........................................20
Oregon® Harvester Saw Chain
• 18HX .................................................. 21 – 22
• 19HX .................................................. 23 - 24
• 11H ................................................... 25 – 26
• 11BC .................................................. 27 – 28