...chain is not taught and the opener bangs into the plastic light cover If the chain is loose, The gear and sprocket is probably worn out. To solve the immediate problem. Tighten chain until it is not ...
Question about Sears LiftMaster Building Materials
...too loose. how tight should it be? Chain should be approximately 1/4 inch above the bottom of the rail. If you over tighten the chain will make a clicking noise when the opener runs. This is not
Question about Sears LiftMaster Building Materials
opener runs but the chain doesn't move and the door doesn't open. Any suggestions? When mine did this, it was because the nylon gears that drive the chain had stripped. My wife had to live without the
...opener close the door manually. take the chain loose and slide the traveler down to reengage with the trolley. Plug in power, run the unit with chain off untill it completes a clockwise cycle and ...
Question about Sears LiftMaster Building Materials
...opener chain adjustment? My door will not raise or lower. The motor is working but the chain may to be slipping possibly because it is loose? I can't see how to adjust it. Anyone know how to tell me ...
...opener. I got chain back on but drive gear was in a different place on chain. Door would only go down about 2 feet from floor and would hit upper limit peg at top (the one on the rail near opener ...
Question about Sears LiftMaster Building Materials
...opener and motor is humming but gears are like jammed....when I prod the gears with a screw driver they do spin for about 3 seconds but then stop (maybe jam again) any ideas? I had the same problem. ...
...chain. Sometimes it opens/closes with no problem whether it is the remote or the manual opener. Sometimes it stops at different points during opening/closing. Sometimes the remote/manual opener gets ...
Question about Sears LiftMaster Building Materials
...chain got loose, I tried to force it back in place and I end up braking the gear on the top of the Garage Door Opener. I replaced the main shaft that holds that gear and put everything back together. ...
...the chain but I think you need professional help with this opener. It sounds like it is badly out of adjustment. The chain coming off is an indication of a worn bearing that will have to be
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