Tw Nichols Chainsaw File Smooth

Height between cutting teeth and depth gauge is between 0.020 to 0.030 inch.

o American pattern round chainsaw file
o Tighten tension on chain to firmly support cutters when filing
o File from inside to outside of cutter
o Place file against beveled cutting surface of teeth 20 to 45 deg with saw
o Sharpen all left hand cutters on one side of chain
o Then move to the other side and file all the right hand cutters
o Check depth gauge height every two or three sharpening