The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.
How to fix a 1 2 hp garage door opener.
Craftsman 315 series 139 53939d garage door opener troubleshooting.
Whether you have a belt drive chain drive or wall mount model find helpful resources manuals videos and more to help you diagnose and fix the problem.
I have a 1 2 hp craftsman garage door opener that is about 20 years old.
I have checked that there is power to the opener and that is not the problem however if i tap the underside of the opener motor with a stick the unit lights up and the.
Most of the features and functions on each model work in the same way.
The garage door opener uses a belt drive to move the door so it is more attractive for homeowners who value comparatively noiseless operation.
When problems arise following some basic troubleshooting steps will help diagnose the cause of the problem.
However if you move homes get a new garage door or install a new garage door opener on your existing garage doors the remote door opener will no longer work.
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If neither of these works review the remote control programming section of your owner s manual.
The model is powered by a 1 2 hp motor.
315 series 139 53939d is a residential garage door opener.
For example if you would like to lift a double garage door one might suggest using a 1 2 horsepower because the door is heavier and larger.
The horsepower needed for your garage door opener is dependent on whether or not you want a long lasting opener verses replacing it every few cycles or the size of the door.
Recently the wall switch that powers opening and closing is not lit and will not activate the opener.
Each of the several models of the craftsman 1 2 hp garage door opener is operated by a chain drive.
Garage door opener won t open all the way fix.
In this case resetting the door opener will de link it from your garage doors.
If that doesn t fix the problem move or coil the antenna wire on the opener.