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

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Steel-line garage door opener. I have a steel-line panel lift garage door opener, when I try to open or close the door the motor spins for a sec very slowly and then does nothing. Is there anything I need to so inside the motor. IE grease as there is black bust inside the the actual motor housing where the magnets are. Does anyone know if these motors/gear combination is available so I can replace rather then paying $500 for a new unit. Thanks ikhan42

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It sounds like either the safety sensors are not aligned, or the rpm sensor needs replaced. Also whether you replace or repair get a surge protector 900 joules or higher on this unit. You can get a reasonable opener with one remote for 138.00 at most lowes. Thanks BB

Posted on Sep 03, 2010

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Posted on Jan 02, 2017

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