How To Fix A Broken Garage Door Opener Chain

This is a yellow or red rope that hangs from the overhead.

How to fix a broken garage door opener chain.

Disengage the garage door from the opener by pulling down on the emergency pull cord to release the door trolley. Pull the emergency release rope to release the trolley from the garage door. Shut the garage door if it s not already closed. Begin the chain disassembly.

If the chain on your garage door is rusty you need to apply lubricant into it to loosen the corrosion. How to put a chain back on an automatic garage door opener step 1. Sprocket is at the end of the opener rail closest to the garage door opening. The chain is located in the garage door s pulley bar.

This video from sears partsdirect shows how to replace the chain and cable assembly on a chain drive garage door opener. Located along the rail the chain an. Remove the fastener ring from the straight door arm connected to the outer trolley. Pull down the trolley cord to release the trolley from the chain arm and lower the door by hand.

Also verify the antenna on the motor unit is in the proper placement. To do this put some lubricant on a piece of rag this use the rag to wipe the chain. How to connect a broken garage door chain step 1. Position a work table near the area under your motor unit to hold the garage door opener during the repair.

Press the wall control button or remote so that the opener completes its close cycle and the sprocket on. Around this sprocket as well as the gear and sprocket at the motor. If you re too far away this can cause a problem with opening or closing the door. A new front sprocket costs.

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. Firstly check that you re using it within the range required for your opener. You may also need to reprogram your keypad or replace the batteries in it.