Garage Door Opener Chain Fell Off

You can put the chain back on your automatic garage door opener using a simple adjustment mechanism.

Garage door opener chain fell off.

I have a 1 2 hp craftsman garage door opener that is about 20 years old. This will release the door from the garage door opener. Recently the wall switch that powers opening and closing is not lit and will not activate the opener. I have checked that there is power to the opener and that is not the problem however if i tap the underside of the opener motor with a stick the unit lights up and the.

Opener systems can develop a number of problems including electronic problems with remote control units chain slippage faulty roller action and cables that come off the pulley system. Chain drive garage door openers have a sprocket that is attached at the top of the motor. Over time the sprocket s teeth can wear and the chain may jump or skip when the opener raises the door. Garage door openers can be chain driven belt driven and even screw driven.

Loosen the inside nut and back it off 6 8 turns back the outside nut off 5 6 turns this will give you some slack in the chain. North shore commercial door offers garage door chain hoists and chain hoist parts for those of you who would like to save money on your door lifting mechanisms. Over time though this slack can increase or the gear and sprocket assembly can wear and the chain may pop off the sprockets. The chain drive garage door opener is very strong and seldom does the chain actuall.

Electrically operated hoists are more expensive and their costs go up if your garage doors are especially heavy or very hard to raise and lower. Make sure the cable is inside the cable pulley and run the chain around the sprocket. Chain driven garage door openers should have some slack in the chain for optimal performance. When the garage door goes off track it can be a serious inconvenience.

The chain is attached to a threaded rod that is attached to the trolley. If you find that your garage door opener chain falls off the track on which it has been placed you will need to put it back up and then tighten the chain to stop this happening in the future.