Husqvarna P02138HV Operator's Manual page 29

2. Turn the knob counterclockwise to loosen
the guide-bar cover.
3. Adjust the tension on the chain by turning
the chain tensioner wheel down (+) for
tighter tension and up (-) to loosen the
tension. Hold the tip of the guide bar while
you adjust the tension.
653 - 006 - 10.02.2020
4. Tighten the sprocket cover by turning the
knob clockwise while lifting the tip of the
guide bar.
5. Fold the knob in to lock the saw chain.
29