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

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Garage door only opens 1/3 of the way

We have a one piece garage door. We replaced the springs recently and it was working fine. Now it stops after going up 1/3 of the way. We have a Sears 3/4hp opener. I've lubricated the hinges and the tension is set to max. It stops in the same place every time.

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DOES THE UNIT STILL RUN WHEN THE DOOR STOPS - YOU MAY HAVE STRIPPED THE GEARS IN YOUR OPENER.

UNPLUG THE UNIT - TAKE OFF THE COVER AND LOOK FOR WHITE SHVINGS INSIDE. IF YOU FIND THEM BUY THE GEAR AND SROCKET KIT.

FOLLOW THE INSTRUCTIONS VERY CAREFULLY STEP BY STEP.

THIS IS NOT A REPAIR YOU CAN DO BY LOOKING AT THE PICTURES (DARN !).

HOPE THIS HELPS

Posted on May 29, 2010

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