Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+
How do I get it back on?
The gear/sprocket assembly needs to be replaced with part # 41C4220A. The top bushing is worn out that is why the chain fell off.
Posted on Jan 01, 2009
a 6ya Repairman can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repair professionals here in the US.
click here to Talk to a Repairman (only for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
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