In this how to video series, learn how to use a chainsaw and how to maintain a chainsaw from chainsaw expert George Finn. George will show you how to safely use a chainsaw, what type of safety gear to use, how to disconnect a chainsaw sparkplug, how to tighten the chain on a chainsaw, how to mix gas and oil for chainsaw fuel, how to add gas and bar & chain oil to a chainsaw, how to sharpen a chainsaw chain, how to replace the chain on a chainsaw, how to start a chainsaw, how to replace the air...