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Sargent & Greenleaf 831B

Information about locks themselves. Questions, tips and lock diagram information should be posted here.

Sargent & Greenleaf 831B

Postby Lucky1406 » 12 Jan 2007 0:23

Does anyone know what kind of pins this lock has? I tried picking it earlier today, but to no avail. Are the pins serrated, or spool, or mushroom? I haven't felt any spool or mushroom pins, but maybe a serrated. Not sure. I don't want to take the lock apart, as I don't have a quality plug follower, and I don't want to misspin the medeco lock. I'd never get it back together. Does anyone have one of these locks, or does anyone know what type of pins are inside? Thanks,
Nick
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Postby n2oah » 12 Jan 2007 8:47

Usually just normal driver pins.
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Postby dosman » 12 Jan 2007 10:05

Here is the KIK from my 831B:
Image

I've not taken it apart (Or any Medeco cylinder yet) but I'd like to assume there are serrated pins at least. I've got another Medeco that you can clearly see the first pin has deep cuts in it. Of course, this is all in addition to the sidebar.
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Postby UWSDWF » 12 Jan 2007 10:19

nope ususally just two mushroom pins
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DISCLAIMER:repeating anything written in the above post may result in dismemberment,arrest,drug and/or alcohol use,scars,injury,death, and midget obsession.
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Postby webidiot2 » 12 Jan 2007 12:33

I have an older medeco kik (not sure which keyway) and it doesnt have any security pins.
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Re: Sargent & Greenleaf 831B

Postby Squelchtone » 14 Jan 2007 5:02

Lucky1406 wrote:Does anyone know what kind of pins this lock has? I tried picking it earlier today, but to no avail. Are the pins serrated, or spool, or mushroom? I haven't felt any spool or mushroom pins, but maybe a serrated. Not sure. I don't want to take the lock apart, as I don't have a quality plug follower, and I don't want to misspin the medeco lock. I'd never get it back together. Does anyone have one of these locks, or does anyone know what type of pins are inside? Thanks,
Nick


Did the 831b's use bi-axial type cylinders? you may be picking the lock just fine, but if you don't rotate your pins, the sidebar will not fall in and allow for plug rotation.

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Re: Sargent & Greenleaf 831B

Postby n2oah » 14 Jan 2007 14:01

squelchtone wrote:
Lucky1406 wrote:Does anyone know what kind of pins this lock has? I tried picking it earlier today, but to no avail. Are the pins serrated, or spool, or mushroom? I haven't felt any spool or mushroom pins, but maybe a serrated. Not sure. I don't want to take the lock apart, as I don't have a quality plug follower, and I don't want to misspin the medeco lock. I'd never get it back together. Does anyone have one of these locks, or does anyone know what type of pins are inside? Thanks,
Nick


Did the 831b's use bi-axial type cylinders? you may be picking the lock just fine, but if you don't rotate your pins, the sidebar will not fall in and allow for plug rotation.

Squelchtone


Yes, you need to rotate the pins and set them into the sidebar to open the lock.
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