Question about Garden
Make sure the counter balance springs are ok. Most garage doors have 2 springs to provide counter balance for the door. Your garge door opener may have enough power to still operate even with one springs broken however with one springs broken would hit pretty hard. It the springs look ok I would release the door from the opener (while in the down position) using the little rope that hangs down and operate the door by hand to ensure it goes up and down smoothly. Most problems are due to friction caused by bad rollers or failed springs. If this is not the issue let me know.
Hope this helps
Posted on Nov 15, 2010
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force adjustments control the pressure used to open and close the
door. A new garage door opener from the factory is set to the lowest
possible force adjustment. If you have a properly balanced door, the
forces required to open and close the door should be minimal.
force adjustments are usually located on the rear of the garage door
opener and/or under one of the light lenses, If your opener has two
lights. If you have lights on the side of your opener, the force
adjustment will be located under the right light lens. The force
adjustments are labeled with an arrow indicating open or close and
numbered 1 to 9, with one being the lowest force and nine the
highest. The force adjustments can only turn 260 degrees, or ¾ of a
complete turn. Changes to the forces should be done in 10-degree
increments. Please remember that too much force will interfere with
the proper operation of the safety reversal system. Do not increase
the force beyond the minimum required to close the door. Do not use
the force adjustments to compensate for a sticking, binding, or
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