Tumble dryers are the most common type of dryer model, using hot air blown through holes in the drum to dry wet clothing. Occasionally, due to the belt moving constantly during operation of the dryer, the belt will wear out or break, requiring that it be replaced. Replacing the belt on a tumble dryer is a fairly easy job that can be completed in about an hour. You can change the belt yourself and save the time and expense of having someone else do the work for you.
Unplug the tumble dryer's cord from the electrical socket. Remove the lint filter from under the lint filter cover.
Locate the screws under the lint filter cover. Unfasten the screws with a screwdriver. Set them aside in a safe place.
Place a putty knife under the front of the dryer's top cover, between the cover and the cabinet. Lift up with the knife to unfasten the cover from the plastic clips holding it in place.
Flip the top cover back so that rests on its rear hinges.
Locate the screws on the top of the front panel, inside the cabinet. Unfasten the screws on the top of the front panel with a screwdriver. Tilt the panel away from the cabinet.
Locate the door-switch connector on the back of the front panel. Unplug the connector from the back of the front panel by pulling the connector straight out from the metal prongs with your hand.
Lift the front panel up off the metal clips. Locate the idler arm and motor at the bottom of the cabinet.
Put the wood blocks underneath the front of the dryer drum to hold it in place while you change the belt.
Move the idler arm forward to relieve the tension on the belt. Take the belt off the idler arm and motor pulleys, as well as from around the dryer drum. Lift up on the drum to slide the belt out.
Place a new belt around the drum. Lift up on the front to slide the belt around the drum. Thread the belt over the idler pulley and around the motor pulley. Move the idler arm back into place to put tension on the belt.
Remove the wood blocks from under the drum. Put the front panel back into position. Plug the door-switch connector back onto the metal prongs in the back of the panel.
Fasten the screws at the top of the front panel. Lower the top cover over the dryer cabinet, pressing down on the top to fasten the cover to the plastic clips.
Secure the screws underneath the lint filter cover with a screwdriver. Slide the lint filter underneath the cover.
Plug the dryer's cord into the electrical socket.
While you have the dryer cabinet apart, it is a good time to clean out any dust or debris with a hand vacuum.
Never attempt to replace a dryer belt while the dryer is still plugged into the power source.