Perhaps i did not install the worm properly.
Replacing craftsman garage door opener gear.
Also adjusted force with no success.
Door now opens about 1 foot and stops.
Craftsman garage door openers are trusted to do what you need them to do.
This is a video on how to change the gear sprockets in a craftsman garage door opener.
The worm gear which attaches to the motor shaft meshes with the drive gear to spin the sprocket and drive the chain to open and close the garage door.
Replaced gear and worm on craftsman 139 53970srt.
Our garage door opener gear part of kit 41a2817 41c4220a is compatible with chain drive and belt drive operators since 1984 current including the following.
I did the repairs with the door fully closed.
If you are in a bigger hurry you should be able to find a kit at a local garage door opener dealer.
Remove the chain and cable assembly.
Because craftsman parts are made by the same company chamberlain that makes liftmaster and chamberlain garage door openers and parts most are interchangeable.
Lower the motor unit down.
Liftmaster craftsman chamberlain sears garage master access master master mechanic security estate series raynor formula i whisper drive power drive billion code and.
This gear kit on amazon.
Find the make and model of your garage door opener and then start shopping for a new gear kit.
Https amzn to 2uwvnkj i m working on a chain drive opener.
This diy repair guide explains how to replace the drive and worm gears on a chain drive garage door opener.
If yours is a belt drive you need a kit like this https amzn to 2zqns.
We also stock replacement circuit boards for your craftsman garage door operator and all the hardware you need for a fast long lasting repair job or upgrade.
This was a craftsman model 139 53976srt.
Shop our garage door openers and find out where you can buy yours locally or online.
Use a step ladder to access the garage door opener s power cord and motor unit.
Any ideas what to do.
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Amazon and other online retailers carry many popular gear kits ranging in price from about 18 to 30.
We have craftsman and craftsman compatible replacement gear kits control panels lens covers and trolley and pulley assemblies.
If the gears break or strip the door won t move.