I'm not sure what model of Stanley garage door opener we have, but it is for a double garage door, and is a chain driven opener. My husband has made adjustments to the screw adjustment tightener which works temporarily, but inevitably the chain loosens up and literally drags (making marks), on our garage door. Is it possible that the screw adjustment is stripped and causing it loosen up or is there another adjustment/problem we should be looking for? thanks
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First you must make sure the sprocket on the garage door opener is spinning clockwise and reaches its limit and stops, you can easily put a pair of pliers between the #1 and #2 terminals on the garage door opener and start the sprocket spinning or just grab a remote and watch from the back of the unit (looking towards garage door ) and make sure it,s direction is clockwise, Once it stops you wanna loosen the chain enough so you can position the carriage which is connected to the chain and with your door closed send the carriage down far enough so that the carriage and the trolley both engage then all you have to do is put the chain over the sprocket and tighten up the tensioner that is located on the trolley...not to tight and not to loose is what you would want in an adjustment !....now since you already ran the sprocket in the down position your door is now ready to test ...when you press your remote or wall station the door will travel up, You have to do it this way , if you don,t ..you can damage the machine or your door ! Good luck and hope I was able to help you with your dilemma!
have you checked the chain tension adjustment for proper amount of deflection? This is listed in the manual that comes with your garage door opener. Usually, the chain is too loose from the problem that you are describing. I would check online for the manual if you don't have access to yours. Also, the travel adjustments for stop (up and down resting positions) would be explained as well.
Does it make a noise? Did it run before you changed the springs? Did you replace springs on opener or on the door? What adjustment screws are you looking for? Do you think they went out of adjustment when you changed the springs?
A Stanley garage door keypad is wall-mounted, battery-operated device
that allows you to open your home's garage door electronically without
having to manually lift the door or use a pull chain. The keypad uses a
four-digit access code that you program after the keypad is initially
installed. You can change the code, disable the keypad manually by
entering a invalid code and reset the keypad if the device is not
working properly. After you reset your Stanley garage door keypad, the
device is ready to accept a new access code.
You will need to loosen the chain, This releives the pressure and allows you to make the needed adjustment to the limits (at least 2" from the stop bolt).
I'm no expert, but on a previous door opener I had (don't know the brand), the side adjusting screw basically adjusted a limit switch, which was located inside the plastic housing (where the motor is). I was able to remove the housing, figure out which limit switch was actually being contacted "too soon" on the way down and adjusted it while watching it.
Just a suggestion, you might take a look.
just keep your hands out of the way of the chain and sprocket if you do take the housing off. .
There are two white screws on the sides that adjust the limits. Adjust the "down" screw less. You should have to turn the screw 4 full turns for eight inches. After you make this adjustment, test it without the door being hooked up to prevent damage to the door or opener if it tries to close too far.
MANY OF THESE ADJUST WHERE THE CHAIN CONNECTS TO THE TRAVELER.
DON'T MAKE IT TOO TIGHT THE BUSHING AT THE POWER END IS PROBABLY ABOUT GONE (THIS IS WHAT CAUSES THE CHAIN TO GET LOOSE) LEAVE A SAG OF ABOUT 1.5 INCHES.
ALSO START WATCHING THE ADS FOR A GOOD DEAL ONCE THE BUSHING IS GONE THE UNIT IS TOAST - PARTS ARE NOT AVAILABLE FOR MOST STANLEY UNITS.
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