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Summary: Test the door knob to see if it fits in the hole before installing it. Watch a demonstration of how a door knob should fit with tips from a professional handyman in this free home improvement video.
Mark Sullivan has been a professional automotive mechanic and high performance engine builder for 16 years. Mark was trained as an auto-union mechanic and has worked professionally as...read more
"So the next thing we're going to is, I think we have filed out the inside of the door hole a little bit larger so that we can fit our doorknob into it. So we're going to note the direction. Since this is a passage door we want to place the angle of the strike so that the door can close. See if that will sit in there, oh yeah see how now that's fitting down in there nicer since we've filed out that little area in there. Now we're going just do a test fit on... now I need to figure which side do I want this in, this is just a passage doorway but I think we're going to put this out here. So we're going to put a trial fit and you notice that there's a rounded side on this and the rounded side will go into here like that. So we're going to do a trial fit in here. First we'll go like this. See if this is going to work. O.k. that looks o.k. so that's all fitting in place. Looks like it's sticking out a little bit. What's that about? Just a little bit of wood or what? Now it appears as though I'm going to need to round or clean out a little bit more from the top and the bottom. Just a little bit. So this is how it is in the real world. You just have to fine tune it just a little bit. O.k. here we go. Trial fit again of our doorknob. It's looking pretty good now I think. That's fitting nicely. Everything's fitting nicely. um, hmm, sticking out a little bit. Alright there what's going on?. O.k. there we go. That's better, that's better. O.k. looks like we're getting somewhere now and then we'll try to put this side on and just fit it on there. Sometimes you have to turn these little knobs around the door lock knob to get it to seat in place and just kind of wiggle that on. Oh there we go."
eHow Article: Door Knob Test Fitting