Question about Chamberlain Powerdrive PD422D 1/2 HP Security Plus Screw Drive Garage Door Opener

1 Answer

Chewing up Chain Drive

On my LiftMaster 41A2817 Chain Drive

Garage Door stopped opeining I rordered and replaced the Gear Kit which had been ground up and stopped working (much white plasic dust)

When I installed the rplacement it lasted two months and it too had been ground up and stopped working (much white plasic dust)\

I have ordered anothe Gear Kit What is cuasing these to get chewed up?

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  • samuel_truji Jan 23, 2009

    This is worthless I will go to the dealer.



    Seems like a ploy to sell advise, in bad economic times one should be offering to support one's product not sell a service.



    I feel like wjhen I came to you for assisance with your brand I got some set FAQs and an offer to sell a service.



    Offer solutioons at a cost may save the corporation some costs, however reduced satisfaction with your product will cost you customers.

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  • 112 Answers

There is most likely a problem with the balance of the door. Release the door from the opener by pulling the red handle and lift the door manually. You should not have to apply more than 20lbs to lift it. When the door is at each hinge point and all the way up, it should stay by itsself. If it does not, the springs need to be adjusted or you will continue to replace gears.

Posted on Jan 27, 2009

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