How To Fix Garage Door Chain

Thread the nut s facing the door clockwise until it meets the bracket then release the chain.
How to fix garage door chain. Another common cause for a loose chain could be the front sprocket breaking. There are lots of tutorials on the internet for our to put the chain back on but all of them assume that there is some sort of tension adjuster with two lock nuts on it my chain. Sprocket is at the end of the opener rail closest to the garage door opening. Pull the chain toward the garage door and hold it in position. To do this put some lubricant on a piece of rag this use the rag to wipe the chain.
Tighten the bolts on. Slide the pulley toward the garage door until the chain is stretched tight then move it toward the motor until the middle of the chain touches the upper side of the chain arm. Press down on the chain with your finger. 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. Grasp the chain 1 foot from where it connects to the end of the threaded chain anchor.
If the chain on your garage door is rusty you need to apply lubricant into it to loosen the corrosion. A new front sprocket costs.