How to Change the Belt in a Sears Model 315.11721

The Craftsman 315.11721 belt sander uses a 3-inch-wide belt. This type of sander is for the larger sanding projects that you may have such as sanding wooden floors. When the belt breaks on the sander, or becomes worn out, you need to replace it with a new one. Replacing the belt on the Craftsman sander is not difficult nor does it require any special tools. The process takes just a few minutes, and then the sander will be ready once again to go to work.

Phillips screwdriver

Instructions

- 1
  Unplug the power cord from the electrical outlet. Place the sander on the table on its side with the bag down.
- 2
  Press on the belt pulley using a Phillips screwdriver to relieve the tension on the belt. Slide the old belt from the sander and discard it.
- 3
  Place a new belt on the sander, sliding it across the wheels into place. Pry on the pulley using the Phillips screwdriver to lock it into place and place tension on the sanding belt.
- 4
  Plug the power cord for the sander into the electrical outlet and turn it on to test the new belt installation.

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