Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+
I went through the steps to install a new gear and screw. When I put the lift back together, it did the short travel thing. I read the solutions on this site and followed the instructions. I put the collar as far forward as it will go and reinstalled the cap and tested. Same thing. My opener is pre-1988 and the kit I received was a little different than the original. The kit had the collar being described here, but the original was held on with a brass busing. As I read the instructions, yup I read them, first time for everything, I installed the collar just as instructed and pictured. It looked just like the schematic. It is as far forward as it will go, I even stopped the thing in mid cycle to account for shaft travel caused by the screw pulling the shaft back as it turned. Now what? My pride is on the line now, I gotta get this thing to work.
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Posted on Jan 02, 2017
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