Cylinder turns, but shackle doesn't open?

[Adrenaline]

Hey, sorry if this issue has already been addressed. I'm new here and I registered for the sole reason of figuring out this issue. I did about an hour+ worth of searching for my answer and couldn't find it, so I decided to post the question myself.

I have had this happen to me twice already -- once with a Sargent lock, and another time with a Best lock. The issue is that, after a tedious amount of picking, the cylinder finally gives way, turning a full 45 degrees. I get excited thinking that I've finally picked it, but the shackle doesn't pop open! I'm not sure if there's a security mechanism that I am unaware of, or if the lock is just plain broken. After being unable to figure out the issue, I usually give up and turn the cylinder back to its original position and listen to the sound of my defeat (the pins falling back into place). What gives?! Or should I say, what DOESN'T give in this case?

[bumber]

You are incountering spool pins, you have to hold tension on the cylinder, as you push up on the pins...on one or more of them will make the cylinder want to rotate back as if to unset all the pins, you have to let it rotate back enough for the spool pin to set, although you may have to reset some of the other pins after you set a spool pin. Imagine a spool pin as a capital I now when the plug rotates it slides on the pin till it hits the bottom of the I causing it to stop at about a 45' angle...hope that helps.

[freakparade3]

Best locks don't use spools, If the plug is turning 45 degrees that is 1/4 turn. To much for spools to be the problem.

[NickBristol]

It could be as simple that you're turning the plug the wrong way when you've picked it... if you have the key check which way you need to turn the plug to open it. A lot of padlocks, more than rim cylinders, for example only open one way.

[Abus]

If you put a lot of time into picking it the wrong direction, you might want to leave it picked, and try to build a plug spinner to try the other direction without repicking it.

[bumber]

....well now he knows how to deal with spool pins ...sorry guys I hardly ever use Best locks (spool pins make it seem to some poeple that it turns 45 degrees, although it may only be 15-20 degrees sorry for any confusion)

[illusion]

45 Degrees?

The SFIC lock I have (Arrow, I think) Turns 45 degrees when you pick the control line. Best make SFIC cylinders, and some Sargent padlocks take SFIC cores if I recall.

I'm not gonna elaborate, in case I've missed something obvious and look silly.

It could be spool pins, I guess.

[Afisch]

As far as a damage that could cause this, maybe a spring in one of the chambers? Have you ever re-pinned this lock?

The SFIC thing might be the case, as best do make a few of them, but i can't see how anyone would get one open without knowing how they worked.

Spool pins only if the rotation is exadurated.

Both or these are covered in some detial around the site.

Good luck

[WOT]

Best locks don't use spools, If the plug is turning 45 degrees that is 1/4 turn. To much for spools to be the problem.

Sometimes they do. These are all Best Lock pins.

[freakparade3]

Let me rephrase that. "I've never seen a Best lock with security pins yet."

[picky1955]

Sounds to me like you picked it in the wrong direction; 45 degrees? not spool pins then methinks! Hate it when that happens. Now wheres that spinner?

[Adrenaline]

Hey guys, thanks for the replies.

I'm working right now, but I'm gonna give it another go when I get home.

In addition to this, I've also encountered a very similar situation where the cylinder turns a full 90 degrees and still doesn't open! Is this all the same issue? The tension being applied in the wrong direction? Or would getting it to go 90 degrees without popping the shackle mean an entirely different problem occurring than when it only turns 45 degrees?

Thanks for your help in advance. I'm looking forward to unnewbing myself on these forums

[WOT]

Hey guys, thanks for the replies.

I'm working right now, but I'm gonna give it another go when I get home.

In addition to this, I've also encountered a very similar situation where the cylinder turns a full 90 degrees and still doesn't open! Is this all the same issue? The tension being applied in the wrong direction? Or would getting it to go 90 degrees without popping the shackle mean an entirely different problem occurring than when it only turns 45 degrees?

Thanks for your help in advance. I'm looking forward to unnewbing myself on these forums

Do you have the control key for it? Remove the cylinder if you can.

[Adrenaline]

Hey guys, thanks for the replies.

I'm working right now, but I'm gonna give it another go when I get home.

In addition to this, I've also encountered a very similar situation where the cylinder turns a full 90 degrees and still doesn't open! Is this all the same issue? The tension being applied in the wrong direction? Or would getting it to go 90 degrees without popping the shackle mean an entirely different problem occurring than when it only turns 45 degrees?

Thanks for your help in advance. I'm looking forward to unnewbing myself on these forums

Do you have the control key for it? Remove the cylinder if you can.

Nope, it's just an old lock I found in my closet. It says "RC2" on it, which I assumed was the model, but I couldn't find that model anywhere.

It looks a LOT like this (11B722 model): http://www.bestaccess.com/media/catalogs/B%20series.pdf

Either way, if I can get the plug to spin 90 degrees and the lock doesn't open, I must be turning it the wrong way. I saw a thread here about making a plug spinner with a mousetrap. Time to head to home depot

[vitti]

If it looks like that then it could very well be that you have picked the control shear line. Those are SFIC locks, the core is removable with a control key or by picking the control shear line. Once you've picked it to that 45 degree rotation, try pulling the core out of the lock. If you've picked the control then the core will come right out.