Question about Chamberlain Powerdrive PD422D 1/2 HP Security Plus Screw Drive Garage Door Opener
They are on the side of the opener. There are two holes with an arrow wrapped around the holes. You should be able to see the screws inside the holes. If you can find the holes and dont see the screws, someone has put the cover on in the opposite direction. You wil have to take the cover off and turn it around.
Posted on Jan 27, 2009
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Posted on Jan 02, 2017
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Nov 13, 2009 | Car Audio & Video
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