Replace a warped or rusted saw blade. Pop the table insert out of the center of the table saw. Place the open end of one of the 7/8-inch wrenches onto the arbor's flat side to prevent it from moving. Place the other 7/8-inch wrench on the other side of the blade and unscrew the nut holding the blade in place. Slide the blade off the arbor. Place a new saw blade onto the arbor. Place the nut back onto the arbor, and tighten it with the wrench.
Replace the miter gauge handle if it is broken. If the miter gauge handle is broken, you will not be able to position the cutting material on an angle Turn the miter gauge handle counterclockwise until it falls out of the miter gauge. Place a new handle over the hole, and screw it into position by turning it clockwise.
Replace the lock handle if it is broken. You will not be able to lock the position of your cutting material into place if the lock handle is broken. Unscrew the lock handle by turning it counterclockwise. Slide a new lock handle into position, and twist it clockwise until it is tight.