Instructions for proper use unwind the handle to make room for the chain to be fitted to the tool unwind the adjustable support screw at the rear of the tool place the chain on the rear teeth of the tool nearest the adjustable support tighten the adjusting support screw until it comes firmly into contact with the back of the chain tighten the handle of the tool gently until the tool pin comes into contact with the centre of the chain pin if the two pins are not lined up back off the han