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Garage door opener install question

23038 Views 7 Replies 4 Participants Last post by  cgoll
I'm replacing a garage door opener with a Chamberlain belt drive model.

I'm reusing the existing, very solid, angle iron to support the motor unit and the rail header bracket.

However, due to differences between the old unit and the new, the rail is not level.

Where the rail meets the header bracket is higher than where the rail meets the motor unit by about 3 or 4 inches.

Any idea if this will cause a problem?
1 - 2 of 8 Posts
The rail should be parallel to both the floor and the track runners.
Just drop the header bracket down or raise the motor attachment, what ever conforms to the rail mounting instructions as it relates to the door.
As I remember the rail should be anout 3 1/2" above the door in the up position.
Never came accross a GFI trip with a bulb before.
It shouldn't make any difference, though.
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