Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

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Adjustment how do i adjust how high and how low the door whats easyesest way

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  • marty metzger May 11, 2010

    which model. how old. turn travel adjustments on side of motor for newer units (past 30 yrs), Adjustment may be on bottom by light bulb on OLD units or inside cover.

  • marty metzger May 11, 2010

    what brand

  • marty metzger May 11, 2010

    Well friend, how do I change engine in car. It would help if you told me make, age. Different brands do this very different ways.

  • Joseph Chapman
    Joseph Chapman May 11, 2010

    WE can not help you if you don't give us more information.

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ON THE SIDE OF THE UNIT THERE ARE 2 SCREWS.

THIS IS A VERY FINE ADJUSTMENT TURN ABOUT 1/4 TURN AT A TIME AND RUN THE DOOR.
OPEN YOU WANT EVEN WITH HEADER CLOSE YOU WANT AS TIGHT TO THE FLOOR AS IT WILL GO WITHOUT REVERSING-THIS HELPS IT SENSE ANY OBSTRUCTION THAT MAY BE THERE. (BICYCLE, CAT ETC,)

HOPE THIS HELPS

Posted on May 27, 2010

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