How far to turn a Disposal

When installing a disposal (In-Sink-Erator), how far do you turn the attachment piece?
The instructions say to rotate the lower mounting ring until tabs lock over the ridges. Has anyone tried this, it seems near impossible to get it to rotate that far. I've used the tool it comes with, screwdriver, etc.
Any ideas?
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snipped-for-privacy@yahoo.com wrote:

Hi, You have to. Otherwise it'll get loose. Think vibration when it's running.
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Tony Hwang wrote:

Thanks for the reply.
But how do you rotate it that far? Do you really have to lean into it? Does it 'click' into place?
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On 16 Apr 2006 21:49:48 -0700, snipped-for-privacy@yahoo.com wrote:

No. How far has it turned so far? A full 360? You haven't got it in right. Not at all. You've got it in, but not right.
Is the disposal vertical? Is the writing on it, if any, horizontal? If not, you've cross threaded it. But the threads are enormous so that is no problem.
Did you remove another insinkerator before this new one? What does it say on the ring that is currently in the sink. If it was another brand, I don't know if it will fit or not. Maybe someone will post, expecially if you answer this questions. But if you haven't used the top ring that was included, take out the unit and try it with the new top ring. If that works and the currently installed top ring still doesn't, then maybe you should put in the new top ring.

Don't remember but yes you can feel it when it is in place. For one thing, it stops. It probably goes down a bit too, don't remeber.
Have you looked at the rings. The distance should be clear iirc from either of them, but if not one then the other.
You don't want to connect the pipe or wires until after the disposal is in place.
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wrote:

JDK is right. I may have tapped those steel curls with a hammer. I don't think so but I might have. That's what the curls are there for, so even if I didn't have to, others do. Just a tap, not a whack.

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snipped-for-privacy@yahoo.com wrote:

take a piece of wood or screw driver and try to leverage it. if not use a hammer. just tap it that is what i have done. the ones i worked on have metal loops you hit till it clicks in. just don't hit it like a nail.
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Push harder. It does take a little muscle to get it latched, IIRC, it was maybe 1/4 turn.
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