How To Fix Craftsman Garage Door Opener Chain

Some problems are associated with the actual installation of the garage door opener.

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. Also the garage door slides along two door rails on either side of the garage. Place a level on these and the rail to check to see if they are level. This excess tension causes the gear that moves the chain to grind down.

Check the breaker controlling the door opener and. 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. Insert the jumper wire into the wall control terminals on the garage door opener to see if the garage door moves.

If the rail system is not perfectly level the chain can eventually bind up in the process of working the door. Cut a 3 inch strand of insulated wire and peel the ends. A new front sprocket costs. If the chain was installed too tightly on the garage door opener it can make opening the door more difficult for the automatic opener.

Make basic checks first. 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. Sprocket is at the end of the opener rail closest to the garage door opening.

If the gear becomes too worn it will no longer be able to move the chain. If the chain on your garage door is rusty you need to apply lubricant into it to loosen the corrosion. To do this put some lubricant on a piece of rag this use the rag to wipe the chain. You will use it as a jumper wire in the next step.