How Ro Replace Garage Door Chain

To do this put some lubricant on a piece of rag this use the rag to wipe the chain.

How ro replace garage door chain.

Position a work table near the area under your motor unit to hold the garage door opener. Disconnect the trolley threaded shaft from the chain by removing the master link clip on spring master link cap and master link bar. I am not a professional. Lower the motor unit down.

If the chain on your garage door is rusty you need to apply lubricant into it to loosen the corrosion. 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.

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. You can just let the cover hang by the wires plugged into it. Press the wall control button or remote so that the opener completes its close. Use a step ladder to access the garage door opener s power cord and motor unit.

Remove the chain and cable assembly. The top two only need to be loosened when you take out the bottom screw the cover will slide down. Remove the chain and cable assembly. There are three phillips screws holding on the garage door opener back cover.

Disengage the garage door from the opener by pulling down on the emergency pull cord to release the door trolley from the opener carriage.