Automatic Garage Door

[c_shah]

There are no seeing eyes (Photo-cells) installed on my garage door..

Would that be possible that I can installed on this make and model?

[e-mail] wrote:

[g.a.miller]

I very seriously doubt that the parts are available. Ihave a Garage door company and I have tried to purchase these.I am pretty sure the operator is built by chamberlin corp. To advoid future problems I would Buy a liftmaster belt drive. I highly Recommend them. I have installed over 300 of them only had problems with 2 in 7 years. good luck Anthony miller anthonys door systems [e-mail]

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[g.a.miller]

I recommend replacing it. It is probably an old style chamberland operator, made for sears. I would get a Liftmaster belt drive very dependable,quiet. I have a garage door co. Installed over 300 with only problems on 2! great odds! Any Further asistance contact me at [e-mail] Chao!

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[g.a.miller]

It is not unusual for the gears to go out. Probably had a broken spring on the door at one point or another. I believe I had a customer one time that had this model a few years ago and sears no longer carried the parts. I would suggest going with a Chamberlin or liftmaster belt drive. Very reiable models I hope this helped you out have a great year Anthony at Anthony's Door Systems [e-mail]

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[tbl]

I would add, "despite what claims are made on the label".

While it can be usefull for certain applications, as a lubricant is has a very short useful life, and tends to become an "anti-lubricant" with age (gets gummy).

Comparing WD-40 to lithium grease for lubricating machinery, is like comparing water to cooking oil for cooking.

Your garage-door opener is true, heavy-duty machinery, and needs true, heavy-duty lubrication that is appropriate for the materials being lubricated.

[tbl]

No expert here, but I'd still recommend inspection and re-lubrication every two or three years.

I was going to replace my Chamberlain (same problem), until I opened it up and saw the robustness of the design. I got the kit, directly from mfr., and that was 6 years ago. I'm a happy camper, still.

[tbl]

C___! I should've read your reply before posting my own.

[Rich]

These plastic gears generally wear out due to a door that is not operating properly, improper spring adjustment, and/or improper limit settings. If the door does not balance throughout its travel it'll put additional force on the gears. Same goes with an opener that is traveling too far in either direction. Improper adjustments can really take its toll on these gears.

So make sure your door is working nice and smooth without binding. The door should not travel much in either direction when you lift it manually and stop it throughout its travel. Set your limits so that the door is firmly closed without bending the rail up. When the door opener has the door in the open position, it should not lift the door much higher than point where the springs would have naturally held the door open to.

[tbl]

On Sun, 15 Jan 2006 20:38:01 GMT, "Rich" force on the gears. Same goes with an opener that is traveling too far in

Mine (Chamberlain) went out when I was adjusting and testing. I don't recall bumping the end of travel--I think I did mine in by running it up and down too many times in too short a period, with no recent lubrication. I think the worm and gear got warm enough to weaken, and game over.

But I can sure understand how hitting the end of travel too hard would sure stress the hell out of things. And quite easy to do on my 25(?) year old unit.

[mark]

Note besides making them for sears chamberlin also owns liftmaster.