Need help fixing or installing a lock? We welcome questions from the public here! Sorry, no automotive questions, please.
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WE DO NOT ANSWER QUESTIONS ABOUT AUTOMOTIVE OR MOTORCYCLE LOCKS OR IGNITIONS ON THIS FORUM. THIS INCLUDES QUESTIONS ABOUT PICKING, PROGRAMMING, OR TAKING APART DOOR OR IGNITION LOCKS,
by cheerIO » 2 May 2015 0:57
I just did this to a lock the other day.
I picked the lock, turned the cylinder over without anything in the keyway. This dropped a short pin into the keyway (never found it for some reason). I thought I pushed all the pins back up and turned the lock back, but the end of the spring dropped into the bottom of the keyway. Buggered it up real good when I turned it back.
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by Jburgett2nd » 2 May 2015 1:45
Gotta hate those disappearing pins, swear sometimes scotty must be beaming them up into the enterprise.
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Jburgett2nd
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by mhole » 2 May 2015 5:09
This also happens in locks with short driver pins - if you get a short driver and short key pin you can pick the stack so that both key and driver pins are below the shear line, and the spring above it. When you turn the plug the spring gets caught and is dragged around the plug.
IMO this is a design flaw, but I've encountered it in quite a few factory pinged locks, particularly eurospec MP10 locks which use a very short driver in their 1109 cylinders.
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by GWiens2001 » 2 May 2015 5:37
Since he was rekeying it, probably happened like mhole mentioned. Short key pin and short driver pin. Tell him that nobody you know of has ever done that before. Especially not little old me.  Gordon
Just when you finally think you have learned it all, that is when you learn that you don't know anything yet.
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by Robotnik » 2 May 2015 10:50
My Master M930 is now pinned with American serrated key pins and drivers because of a little snafu that resulted in three springs wrapped around the plug and half the pins missing. Turns out, when you drop a few key pins out of the plug and onto carpet without realizing it, then reassemble...well, bad things happen.
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by Squelchtone » 2 May 2015 12:02
I did this once while picking a master keyed Medeco on a door at work. The lock was in use and I spent the rest of the evening taking it apart and fixing it and making sure all the needed keys still operated in it and had to scavenge a spring from another Medeco.
That's one of the biggest reasons I'm so quick to tell new members not to pick locks in use.. things happen.
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by Yoder » 4 May 2015 20:12
That's really funny, because I just did the same thing a couple days ago. I'm making a progressive padlock set out of some American 1100s, and I lost a top pin without realizing it. I thought I was going to have to throw the whole lock out.
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