How Ro Replace Garage Door Chain

You can just let the cover hang by the wires plugged into it.

How ro replace garage door chain.

Disconnect the trolley threaded shaft from the chain by removing the master link clip on spring master link cap and master link bar. Position a work table near the area under your motor unit to hold the garage door opener. Remove the chain and cable assembly. Press the wall control button or remote so that the opener completes its close.

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. Use a step ladder to access the garage door opener s power cord and motor unit. To do this put some lubricant on a piece of rag this use the rag to wipe the chain. Pull the chain cable out of the rail window.

Disengage the garage door from the opener by pulling down on the emergency pull cord to release the door trolley from the opener carriage. Remove the chain and cable assembly. Pull out the idler pulley bolt and slide the idler pulley out of the rail window. How to put a chain back on an automatic garage door opener.

The chain got loose and popped off the gear. Documenting how i repaired the garage door. I am not a professional. If the chain on your garage door is rusty you need to apply lubricant into it to loosen the corrosion.

Lower the motor unit down.