Question about Sears LiftMaster Building Materials
...opener. How do you adjust the tension? I've tightened up what appears to be the tension spring, but it doesn't seem to effect the belt. The spring should measure 1¼ inches in length when it is ...
TENSION. THE OPENER DOES NOT WORK UNDER THIS TYPE OF LOAD, I NEED TO FREE THE CHAIN OF ITS TENSION, BUT IT WON'T MOVE, ANY SUGGESTIONS Release the door from the opener by pulling down on the rope.
Question about Sears LiftMaster Building Materials
...opener but it just hums - the Cable side is dangerously 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 ...
Question about Sears LiftMaster Building Materials
1993 Liftmaster professional mod. 1345. Have adjusted door balance, spring tension, new safety sensors (correctly aligned). With trolley disengaged from door the trolley will run approx. 8 - 10 inch.
...that is not the case, the you will need to have the springs adjusted for proper tension. If the door operates properly, then you can reconnect the opener to the door, and adjust the up-force
Question about Sears LiftMaster Building Materials
tension on the chain of my garage door opener. Now the open and close settings are off. It closes too far and doesn't open far enough. How do I adjust this? It's a craftsman 1/3 hp and it's 15yrs old.
...opener itself, thinking a nieghbor may have got in on my code, but I don't think this model has one that is changeable. I purchased a universal remote because we broke the old one, and while I was at ...
broken sprocket coupler I have a broken sprocket coupler and want to know how to check the springs to see if the springs going bad caused the coupler to break. Could be. Yet you may only need to ...
Question about Sears LiftMaster Building Materials
...opener. The previous owners didn't leave a manual. thanks for any help. Loosen the inner nut on the trolley. (That is the lock nut). Then tighten the outer nut on the trolley to increase tension. The ...
Question about Sears LiftMaster Building Materials
...opener and installed it a couple of days ago. For the most part, it has been working properly, except that it wouldn't close completely. We adjusted the tension and force knobs as directed in the ...
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