Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+
Only in winter time, the door will only open a few inches to half way up, then when you hit the button again it goes to shut, but if you hit it again right away after it begins to close then it will open all the way or if i lift on door with minimal effort it will open
I have run into this problem before this might be of some help
check your track and see if someone has greased it if so get a rag and solvent and remove all grease from roller track this track is never to be lubricated in the summer grease thins and lets dooor move but in winter grase hardens and acts like glue binding door past set limits.
Posted on Jan 10, 2009
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Posted on Jan 02, 2017
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