Check the chain tension most chain drive openers suggest you tighten the chain so there s about 1 4 in.
Garage door opener chain drive repair.
By repairing the garage door opener that you have you can save time and money.
A new front sprocket costs about 150 200 include the labor to install it.
Pull the chain toward the garage door and hold it in position.
Grasp the chain 1 foot from where it connects to the end of the threaded chain anchor.
The chain wraps around this sprocket as well as the gear and sprocket at the motor.
Pull out the idler pulley bolt and slide the idler pulley out of the rail window.
Over tightening the chain will put excess wear and tear on the shaft and gears.
Soaking the chain in lubricant for a few hours will help loosen the rust.
To do this put some lubricant on a piece of rag this use the rag to wipe the chain.
You should have 1 2 inch of play in the chain.
Troubleshooting your chain drive garage door opener is easily done by following a few steps.
Disconnect the trolley threaded shaft from the chain by removing the master link clip on spring master link cap and master link bar.
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.
Of slack from the rail to the chain check your manual.
Liftmaster and chamberlain brand garage door opener lens for two light chain drive and belt drive door operators.
Press down on the chain with your finger.
Remove the chain and cable assembly.
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.
If you are not confident in your ability to diagnose the problem call a local garage door service company.
Pull the chain cable out of the rail window.
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.
Sprocket is at the end of the opener rail closest to the garage door opening.
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.