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Question About Chamberlain Garage Door Opener 556
down force...

I can't find the down force adjustment, unless it's done with switches and I'm not sure of the proceedure. There are three minature push buttons that are labled f-,f+, sw1. Can you tell me how to increase the down pressure?

Asked by Max on 05/31/2011 0  Answer

ManualsOnline posted an answer 13 years, 4 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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