How To Fix Craftsman Garage Door Opener Chain

If the chain on your garage door is rusty you need to apply lubricant into it to loosen the corrosion.

How to fix craftsman garage door opener chain.

Around this sprocket as well as the gear and sprocket at the motor. This excess tension causes the gear that moves the chain to grind down. Ensure that the unit is plugged in the door isn t locked and if you are using a remote that the remote has batteries. Press the wall control button or remote so that the opener completes its close.

Cut a 3 inch strand of insulated wire and peel the ends. If the chain was installed too tightly on the garage door opener it can make opening the door more difficult for the automatic opener. Another common cause for a loose chain could be the front sprocket breaking. How to put a chain back on an automatic garage door opener.

To do this put some lubricant on a piece of rag this use the rag to wipe the chain. If the rail system is not perfectly level the chain can eventually bind up in the process of working the door. Insert the jumper wire into the wall control terminals on the garage door opener to see if the garage door moves. Also the garage door slides along two door rails on either side of the garage.

If your chain is badly corroded you may need to remove the chain from the carriage assembly and soak it in lubricant for a few hours. Disconnect the wall control wire from your craftsman opener. Disengage the garage door from the opener by pulling down on the emergency pull cord to release the door trolley from the opener carriage. Make basic checks first.

Some problems are associated with the actual installation of the garage door opener. Place a level on these and the rail to check to see if they are level. You will use it as a jumper wire in the next step. A new front sprocket costs.