Garage Door Opener Chain Drive Repair

Troubleshooting your chain drive garage door opener is easily done by following a few steps.

Garage door opener chain drive repair. Always look for loose hardware before you start checking out any other problems that might be associated with your chain drive garage door opener begin looking at the various nuts and bolts on the unit. You should have 1 2 inch of play in the chain. Chamberlain liftmaster door opener chain drive models 1050 1150 1250 1265 1060 1160 1260 320wd 300wd 1260lk 220wd 350 550 5000 5100 6200 7200 7220 pd600 all models may not be listed. Pull out the idler pulley bolt and slide the idler pulley out of the rail window.

Grasp the chain 1 foot from where it connects to the end of the threaded chain anchor. Liftmaster and chamberlain brand garage door opener lens for two light chain drive and belt drive door operators. You do not have to worry about getting different remotes programmed or whom needs a new remote once it is repaired all the devices remain the same. Of slack from the rail to the chain check your manual.

The chain wraps around this sprocket as well as the gear and sprocket at the motor. Pull the chain toward the garage door and hold it in position. Repair it with the proper genie replacement parts and keep it opening and closing the garage door. Garage door won t open all the way.

A new front sprocket costs about 150 200 include the labor to install it. With the proper maintenance your garage door opener can last a very long time. 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. Thread the nut s facing the door clockwise until it meets the bracket then release the chain.

Sprocket is at the end of the opener rail closest to the garage door opening. Soaking the chain in lubricant for a few hours will help loosen the rust. Check the chain tension most chain drive openers suggest you tighten the chain so there s about 1 4 in. Press down on the chain with your finger.

Over tightening the chain will put excess wear and tear on the shaft and gears. Remove the chain and cable assembly. By repairing the garage door opener that you have you can save time and money. Disconnect the trolley threaded shaft from the chain by removing the master link clip on spring master link cap and master link bar.