How To Fix Craftsman Garage Door Opener Chain

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.

How to fix craftsman garage door opener chain.

If the gear becomes too worn it will no longer be able to move the chain. Sprocket is at the end of the opener rail closest to the garage door opening. This excess tension causes the gear that moves the chain to grind down. Around this sprocket as well as the gear and sprocket at the motor.

A new front sprocket costs. Make basic checks first. Disengage the garage door from the opener by pulling down on the emergency pull cord to release the door trolley from the opener carriage. Ensure that the unit is plugged in the door isn t locked and if you are using a remote that the remote has batteries.

Some problems are associated with the actual installation of the garage door opener. To do this put some lubricant on a piece of rag this use the rag to wipe the chain. Disconnect the wall control wire from your craftsman opener. Another common cause for a loose chain could be the front sprocket breaking.

Insert the jumper wire into the wall control terminals on the garage door opener to see if the garage door moves. You will use it as a jumper wire in the next step. If the rail system is not perfectly level the chain can eventually bind up in the process of working the door. Also the garage door slides along two door rails on either side of the garage.

If the chain on your garage door is rusty you need to apply lubricant into it to loosen the corrosion. If the chain was installed too tightly on the garage door opener it can make opening the door more difficult for the automatic opener. How to put a chain back on an automatic garage door opener. Place a level on these and the rail to check to see if they are level.