How To Fix Garage Door Chain

Sprocket is at the end of the opener rail closest to the garage door opening.

How to fix garage door chain.

How to fix a garage door chain drive sprocket 1. Garage door didn t open in the morning. 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. Loosen the bolts on the chain pulley that s.

Step 2 turning off the power. Around this sprocket as well as the gear and sprocket at the motor. Ensure that the unit is plugged in the door isn t locked and if you are using a remote that the remote has batteries. A new front sprocket costs.

Move the ladder to the outer end of the chain arm near the garage door. Make basic checks first. Once you are clear that the only problem is a slightly loose chain then you can begin fixing the problem. Make sure that the garage door is closed and that you have another way of getting out of the garage.

The reason the chain went off track was because the chain. Check the breaker controlling the door opener and. If in doubt replace the chain completely. To do this put some lubricant on a piece of rag this use the rag to wipe the chain.

Another common cause for a loose chain could be the front sprocket breaking.