non working automatic garage door


Old 07-10-02, 08:45 AM
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non working automatic garage door

i am dealing with a delta 3 linear digital control automatic garage door. everything is installed already and when the button is pushed, the unit makes noise, but nothing happens. the chain is in place etc but i am wondering if there is supposed to be some sort of belt on the unit. it looks like one would go on the bottom of the unit, but i cant find any information on the specific model.
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Old 07-10-02, 03:21 PM
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seems to me theres a little black gear that sits on top of those openers that the motor drives, in turn drives the chain. you should be able to check that out of your latter, looking down from the top.

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