My brother decided to work on my garage door opener while I was away. Now my travel limit adjustments are all out of whack. The door wants to travel down and up way too far. Is there any way to reset the limit screws to where they were when the opener left the factory? I can make the neccesary adjustments from there.
If you are at the back of the operator looking toward the door the limit adjustment should be on the left hand side.
The adjustment closest to the door is the down limit turn that 3 turns clockwise. The adjustment screw furthest from the door is the up limit turn this screw 3 turns counterclockwise. That should get you close to factor settings. If this does not work; remove the cover on the operator sometimes the limit assy. come apart.
Hhow to adjust travel
There is no way to reset them to where they were when they left the factory but it should be easy enough to do. One turn of the control equals approximately 2 inches of trolley travel. If the door opens too far then you should be turning the control in the opposite direction of the arrow printed on the cover. Same for the down limit. Some tweaking will be needed I'm sure.
Open the garage door
fully by pressing the wall control button. The bottom section of the door should be right at the header in the "full open" position. If it is too far back, the door cable can become misaligned. If it is not back far enough, you may not be able to get your vehicle in and out of the garage.
Position a stepladder behind the garage door opener motor. Locate the limit adjusting screws on the left side of the motor housing. Have a friend stand by the wall control button.
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Insert a screwdriver into the slot for the "up limit" adjustment screw. Turn it to the right to decrease the door travel and turn it to the left to increase it. Turn the screw in small increments.
Close the garage door by having your helper push the wall control button. Notice the seal between the door and the floor--there should not be any light coming through. Adjust the "down limit" screw in the same way if necessary.
Operate the door by the pressing the wall button and check your adjustments.
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