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Saw Chain Maintenance How to Sharpen Cutters


Read operation and handling warnings on page 34.


Note: • On-chain saw sharpening requires proper saw chain tension.


• Pages 13 – 31 show the correct maintenance specifications and the correct maintenance tool part numbers for each of the OREGON® saw chain types.


• Find the correct filing specifications for your OREGON® saw chain type.


• If unsure of your OREGON® saw chain’s type, part number or filing specification, ask your OREGON® saw chain dealer.


• Check and adjust depth gauges.


Round-file Cutter Sharpening 1. Be sure 1/5th, or 20%, of the file’s diameter is always held above the cutter’s top plate. Using the correct file guide is the easiest way to hold the file in this position.


=1/5th or 20% above top plate


2. Keep the correct Top Plate Filing Angle line on your file guide parallel with your saw chain.


Direction of stroke


File holder


3. Sharpen cutters on one side of the saw chain first. File from the inside of each cutter to the outside. Then turn your chain saw around and repeat the process for cutters on the other side of the saw chain.


outside


inside 40


SAW CHAIN


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