To tighten the saw chain (535i XP)

  1. Loosen the bar nut(s) that hold the drive sprocket cover. Use a wrench.
  2. Lift the front of the guide bar and turn the chain tensioning screw. Use a wrench.
  3. Tighten the saw chain until it is tight against the guide bar.
  4. Tighten the bar nut(s) using the wrench. Lift the front of the guide bar at the same time.
  5. Make sure you can pull the saw chain around freely by hand and that it does not hang from the bottom of the guide bar.
  6. Do a check of the chain tension frequently, until the saw chain is run-in.
  7. Do a check of the chain tension regularly to keep good cutting performance and a long life.
Note: The position of the chain tensioning screw is not the same on all models. See Product overview to find out where it is on your product.