09:30AM | 01/15/05
Member Since: 01/08/05
7 lifetime posts
I have a Craftsman 1/2 HP opener on my garage door (single door for two car garage). This morning it opened about 2/3 then stopped. The motor kept going, but the door stopped. I took off the cover, and the two plastic cogs (from motor to chain sprocket) are stripped - there are shavings everywhere...

I have two questions:

Is there a rebuild kit or replacement parts available for Craftsman openers?

Why might this have happened? The door does not seem to bind. It's heavy, but it opens easily enough by hand. Are there any common causes for this type problem?

Thanks in advance.


Jim D

09:49AM | 01/17/05
Member Since: 01/06/01
342 lifetime posts
Ron - hi, you should be able to use the model number of your garage door opener (GDO) system to get parts from S_ears. You may have to call into their 1-800 number; I'm not sure if you'll find parts on the website.

Possible causes that come to mind are the door tracks need greasing, one or more of the wheels that the door rolls on the tracks came out of the track - especially at a curved point in the track, something caught the door edge as it was coming up the track and made the door bind, or maybe the door's weight has been slowly causing the problem and your current weather conditions (wet/cold weather) finally allowed the problem to surface.

If you've closed the garage door by bypassing the GDO, you may be able to spot a possible cause by very slowly lifting the garage door. Every place it seems to bind, examine the tracks to determine why. You may need someone to help you by holding the door in place. Also check the tension springs above the door - are they intact and do they seem to function? I've personally seen the wheels pop out of the door tracks when one side of the door has gotten ahead of the other side - about a 1" difference was all it took. I've also seen an overhead tension spring rip loose from the wall above the door opening and that created problems.

I've had my best luck in lubricating the door tracks with the white lithium grease that comes in a spray can. After lubricating the tracks, I open and close the door several times to spread it the entire length of the track the door uses. Then, I give the wheels an extra shot of grease.

If you do a search in this area and in the Miscellaneous area for "garage door opener", you'll probably find other tips and hints. I hope this helps some - good luck! Jim D/West Point, VA
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