Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+ "chain tight open" Questions

...chain will be tight on one side and slack on the other. When it is closing it will be just the opposite. It is important that you do not over tighten the chain. I suppose the wrong chain could be ...

chain, udjusted it so it was tight and now the short side is loose hanging low and the longer side from gear to gear is extremely tight, under tension. HOW DO I REMOVE THE TENSION. THE OPENER DOES NOT

chain came off of wheel, It's too tight for me to put it back on, how do I loosen it up? YES - YOU ALSO NEED TO BE SURE IT IS IN THE CORRECT POSITION WHEN YOU REINSTALL IT. MOVE THE TRAVELER / TROLLEY

tight?) The chain might be to tight but I think you should check for broken door springs or a bad drive gear. The gear is white nylon and is just in front of the motor. The chain should sag just a bit

...too loose. how tight should it be? Chain should be approximately 1/4 inch above the bottom of the rail. If you over tighten the chain will make a clicking noise when the opener runs. This is not

...chain on one side of the rail is pulled tight and the opposite side sags. It is just the opposite when the door is closing. It could be the sagging side is rubbing against the door but it seems you ...

tight and the motor unit won't release the tension, and the chain is sagging on the other side of the chain spreader / motor unit. Is there anyway to release the tension on the Motor unit manually

chain was tight which I loosened; no difference. Check the connections at the rear of the motor unit and make sure they are all tight. I would also pull the logic board and check for loose connections

...you will have to find were the chain is binding look around the drive sprocket and check the chain to see if it is tight at the bottom or top this will tell you were to start looking for the

...unit and the lighton the back of the opener flashes. craftsman. If the opener is making a clicking sound when it is running the chain is too tight. Post back with the number of flashes from the