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Coromaster garage door motors limits

I found a gear for my Coromaster door opener. It is the larger of te two gears the one that is running horizontally. Where can i find a manual how to replace it myself or is this a job for a expert?

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When in doubt, Google it. If this gear attaches to a chain, it gets a little difficult to keep the chain in control. Usually parts like this are held in place by a set screw, requiring the correct allen wrench. Working this stuff up on a ladder is no fun.

Posted on Nov 24, 2013

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How do we reprogram the limits of a Coromaster 2000 Garage Door. @CutOnTheNet answer is cryptical.

Posted on Dec 20, 2014

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CutOnTheNet
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SOURCE: How do I reset my garage door opener. It is a

The Coromaster 2000 does not operate off limit switches. It has a quarter-revolution optical pulse counter. To re-program the open and close limits do the following: Ensure that the door is open at least a couple of feet. Press the reset button once or twice Short out pushbutton and common and hold until close limit and then release. Door should stop at your new close limit. Wait 5 seconds. Short out pushbutton and common and door will open. Hold the short until open limit and then release. Limits should now be set.

Posted on Nov 09, 2010

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SOURCE: I have a Coromaster Mach2

This appears to be something made in Africa. I suggest you call around locally. We don't seem to have any around here.

Posted on Jan 10, 2011

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