The Crescent Nicholson round knurl-cut chainsaw file with an American pattern. For ideal results; place file against beveled cutting surface of the teeth 20° to 45° with saw and file from the inside to the outside of cutter. Sharpen all left-hand cutters on one side of the chain and move to the other side and file all the right-hand cutters. The height between cutting teeth and depth gauge is between .020in to .030in — check the depth gauge height every 2 or 3 sharpening's. Tighten the tension on chain to firmly support cutters when filing.
- American pattern round chainsaw file.
- Tighten tension on chain to firmly support cutters when filing.
- File from inside to outside of cutter.
- Place file against beveled cutting surface of teeth 20° to 45° with saw.
- Follow saw manufacturers specifications.
- Sharpen all left hand cutters on one side of chain.
- Then move to the other side and file all the right hand cutters.
- Check depth gauge height every 2 or 3 sharpening.
- Height between cutting teeth and depth gauge is between 0.020 to 0.030 inch .