John R.
How to change the belt on the RYOBI B-850F sander?
The manual states that changing the belt on the RYOBI B-850F sander is easy. Although specific technical steps are not detailed, general steps include: ensuring the device is unplugged, locating and activating the tension lever to release the abrasive belt, removing the old belt and inserting a new one of dimensions 75x534 mm, re-engaging the lever to tension the new belt, and using the micrometric adjustment mechanism to ensure precise centering during use.