David....
just for kicks look at the worm drive gears on top of the unit... mine did
something similar and it was a stripped gear... you can buy replacements on
the net... Google 'garage door gears" or something similar.... not a big
deal and pretty cheap too...
later
John
----- Original Message -----
From: "David Scheidt" <dmscheidt@gmail.com>
To: "Shop Talk" <shop-talk@autox.team.net>
Sent: Monday, November 10, 2008 12:39 PM
Subject: [Shop-talk] garage door opener problmes
> We've got a Sears garage door opener that's gone tits up. It starts
> to turn the motor, moves a little bit, then gives up, flashing the
> light socket. The photo eyes have the lights lit they're supposed to,
> and the one that's supposed to go out when the beam is blocked goes
> out when the beam is blocked. It opened fine this morning, and then
> didn't close. When I went to look at it about noon, it went up and
> down (without the door trolley connected) a couple times. I
> reconnected the trolley, and it didn't move at all. I pulled the cord
> to disconnect the trolley, and it didn't work. It moved a foot or
> two, and then stopped, blinking the light. I disconnected the chain
> -- the chain tension seems much higher than the opener (identical
> model, though newer) on the other door in the garage. I've had
> problems with this opener before; a couple winters ago, I had to
> adjust the force screws when the temperature changed. I'm wondering
> if it's worth trying to figure out what's wrong, and then fix, or if
> it's just time to get a new opener (It's 13 years old, according to
> the sticker, and gets used 4 or 5 times a day.)
>
>
> --
> David Scheidt
> dmscheidt@gmail.com
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