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Offline Papermaker

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Top case lock removal (with or without the key)
« on: July 10, 2014, 01:53:01 pm »
All--

Does anyone have any experience with the top case lock?  I am trying to remove the lock from a top case.  It looks like once it is installed it can't be removed without destroying the lock mechanism.

Any help is appreciated,

--John
« Last Edit: July 10, 2014, 02:35:06 pm by Papermaker »

Offline BigD

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Re: Top case lock removal (with or without the key)
« Reply #1 on: July 10, 2014, 02:26:54 pm »
I would check with a locksmith that works with automotive.

Offline john348

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Re: Top case lock removal (with or without the key)
« Reply #2 on: July 10, 2014, 02:44:27 pm »
I think this was discussed some where else and it was said that you had to destroy things to get it out ??

Offline Papermaker

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Re: Top case lock removal (with or without the key)
« Reply #3 on: July 10, 2014, 04:47:46 pm »
BigD and john348--

After looking at a non-installed lock barrel Here's how I think it works.  When you insert the key in the lock it draws in all of the tumblers except one that's located at the end of the barrel.  I believe that there is a ramp located in far end of the lock housing slot that pushes the final tumbler into the lock barrel.  As the lock barrel bottoms in the locking housing, it passes the ramp and drops into a slot.  The slot allows rotation but prevents barrel removal.  Looks like I'll have to destroy the lock to remove it.

--John

Offline Papermaker

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Re: Top case lock removal (with or without the key)
« Reply #4 on: July 23, 2014, 12:41:17 pm »
BigD and john348--

After looking into barrel lock design I found that there is a "locking leaf" at the end of the barrel that has to retract to before the lock can be removed.  I was able to make a tool and retract the leaf removing the lock without damage.

--John

Offline BigD

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Re: Top case lock removal (with or without the key)
« Reply #5 on: July 23, 2014, 12:54:09 pm »
Nice job on the tool.  Saved you a trip to an automotive locksmith.   

Offline john348

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Re: Top case lock removal (with or without the key)
« Reply #6 on: July 23, 2014, 02:06:01 pm »
sounds like a very useful tool.  Any pictures or drawings?  I havent had the problem yet but others have.

thanks

Offline Ernest T

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Re: Top case lock removal (with or without the key)
« Reply #7 on: July 23, 2014, 02:18:53 pm »
There is a long discussion on this over on the Tiger 800 forum and it can be done and apparently isn't really difficult.  Here's the link:

http://www.tiger800.co.uk/index.php/topic,7896.0.html

Read through it, the key is made from an Allen wrench cut off to a specific length on the short side.