How to Tighten the Clutch Chain on a Saw

Move the chain saw’s ignition switch firmly into the “Off” position. Place the chain saw on a flat surface where you can comfortably access the bar and chain. Put on your leather work gloves.

Loosen the two nuts sitting on top of the clutch cover until they are finger tight, using the wrench. Leave the bolts and clutch cover in place.

Insert the screwdriver into the hole for the bar tensioner. On most saws this will be located between the bar posts. On other saws, it may be located on the front of the saw. Turn the screw clockwise to tighten it and counterclockwise to loosen it, according to your needs.

Tighten both the bar nuts with the wrench when you think the proper tension is set. Pull down on the chain, pulling it off the bar on the bottom of the bar, close to the power head.

Count the number of drive links exposed when the chain is pulled away. Saws will vary, but generally you should see four to six drive links when the chain is properly tensioned against the bar. Loosen the bar nuts and adjust the tensioner screw as needed until you achieve the proper tension.