How do I adjust the chain's tension? Adjust tension with a screwdriver by turning the tensioning peg screw clockwise or counterclockwise to achieve proper tension. The correct tension is achieved when the chain in the middle of the bar can only be lifted by approximately 3-4 mm. Related articles How do I convert the chainsaw into a pole chainsaw? How loud is my Saw Joe SWJ699E? How do I assemble my SPX3000® Pressure Washer? What type of oil does my unit take? How do I fell a tree?