Successfully sharpening a chain saw involves three steps: shaping the chisel like teeth that cut the wood ; adjusting the parts of the chain that regulate the bite taken by each cutter ; and fine tuning the tension of the chain so it runs freely, with no slack, around the bar.
The easiest form of a chain saw sharpener is the hand file which is a little round file with a diameter according to the size of the chain saw. This simple way of sharpening a chain saw is ideal for a quick on the site refreshing of the chain.