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Garage Door wont travel full distance

Posted by tomnohio (My Page) on
Sun, Jan 31, 10 at 12:44

Craftsman 1/2hp 13953657SRT

Replaced gear assembly due to wear and tear and malfunction, gears worn completely off.

Everything appears to be re-assembled correctly but travel of unit is 8" down and 8" back up, without door attached.

Safety sensors are green and remain green through cyle.

Downward and upward limits are not even coming in contact with the unit sensor. The force settings seem to have no effect on travel. I have adjusted chain to see if it would affect and no luck seems to be fine, no binding or sag.

Could this be the motor?

Looking for any help possible.

Follow-Up Postings:

RE: Garage Door wont travel full distance

Read alot of post and tried most every possible correction, took it all apart and rebuilt it from scratch, working great not sure what the problem was, think it might have ben plug to the limits not securley attached.

This forum helped a great deal, thanks!

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