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American 747 disassembly

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GWiens2001

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Lock-Goblin-Gordon
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Post Sat Aug 16, 2014 4:52 pm

American 747 disassembly

American 747 Padlock

Was given a lock recently because a lockie friend could not pick it open and therefore considered it a paperweight. The lock was one that I have wanted in my collection for a while... an American 747. It came locked and without keys, but we can change that, can't we? :twisted:

IMG_5224.jpg


The date code shows it was made in October 1983, so it is in pretty good condition for a 31 year old lock.

First order of business was to pick it open. Two spools in position 2 and 3, then serrated driver pins and serrated key pins.

IMG_5223.jpg


Now that it is open, let's take this baby apart. Use a 5/32" allen wrench to remove the screw inside the shackle hole...

IMG_5225.jpg


IMG_5226.jpg


Now the core retainer can be removed.

IMG_5227.jpg


IMG_5228.jpg


Now slide the plate over to where the plug retainer was, and remove it.

IMG_5229.jpg


IMG_5230.jpg


The core is now removed.

IMG_5231.jpg


IMG_5232.jpg


That does not look right.

IMG_5233.jpg


Hmmmmm. Looks like someone tried to use the wafer breaker and bypass tool without success.

IMG_5240.jpg


Now you can see the cam assembly.

IMG_5235.jpg


Now press the shackle in a little to take the load off the locking balls and knock it lightly on a hard surface (that won't be damaged by a hard, heavy lock) to remove the cam.

IMG_5237.jpg


IMG_5236.jpg


IMG_5239.jpg


The locking balls will then fall out. Now remove this screw from the back of the lock using a 1/8" allen wrench. You may have to use some sort of pick to clear out epoxy from the allen screw that may be used to fill the allen screw head to prevent removal. Though note that removing this screw would not allow you to open the lock if it was locked.

IMG_5241.JPG


Image

The shackle and shackle spring can now be removed.

IMG_5243.JPG


IMG_5244.JPG


Note: The American 747 came only with a restricted keyway - the same one now used on the newer model 787. You can modify a normal AM3 blank to work in a few seconds with a dremel and a ball-shaped diamond bit. On the right side of the key, simply round out the square channel.

Did that on a set of factory keys, then rekeyed the lock to the new key.

IMG_5245.jpg


Now there is a fully functional American 747 in my collection! :mrgreen:

Gordon
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Last edited by GWiens2001 on Sat Aug 16, 2014 10:12 pm, edited 2 times in total.
Just when you think you've learned it all, that is when you find you haven't learned anything yet.
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mister sour

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Post Sat Aug 16, 2014 5:23 pm

Re: American 747 disassembly

B-E-A-UUUUU-TIFUL! Thanks for teaching me something I did nit know before.
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MrAnybody

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Post Sat Aug 16, 2014 5:52 pm

Re: American 747 disassembly

Yer just can't beat a tasty piece of Gordon lock porn for the weekend :drool:

Great stuff. Thanks for sharing that. Really cool to see.
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Riyame

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Post Sat Aug 16, 2014 6:04 pm

Re: American 747 disassembly

Wow, this one comes apart a bit differently that the more modern ones. And with the spring tension they have now I laugh at anybody trying to use a bypass tool on them.
PhoneMan: I always knew I'd say something stupid and it would be someone's sig
macgng: i am an equal opportunity pervert
macgng: aww fuck thats goin in someone sig :-(

If life gives you melons, you might be dyslexic.
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youluckyfox

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Post Sat Aug 16, 2014 6:11 pm

Re: American 747 disassembly

:smile: Gordon, you are a prodigy. Thank you, as always, for sharing!
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GWiens2001

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Post Sat Aug 16, 2014 6:53 pm

Re: American 747 disassembly

Was in a hurry to post this, and am away from home at the moment. Will fix the incorrect pictures later this evening.

The newer model is the 787, which is also on my hit list. Doubt I'll get one of those for free. Glad you guys like the post.

Gordon
Just when you think you've learned it all, that is when you find you haven't learned anything yet.
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jeffmoss26

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Post Sat Aug 16, 2014 7:03 pm

Re: American 747 disassembly

I have a 747 but it looks different, will have to take pics.
I believe the current model is 748, not 787.
Innerpicked: The more keys you carry, the more important you look
GWiens2001: Great video! Learned a lot about what fun can be had with a forklift and a chainsaw.
pmaxey83: but i first have to submit the proper forms for a new hobby to my wife
xeo: i root for the kernel
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Riyame

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Post Sat Aug 16, 2014 10:00 pm

Re: American 747 disassembly

jeffmoss26 wrote:I have a 747 but it looks different, will have to take pics.
I believe the current model is 748, not 787.


Correct. The current ones are called 748s. I assume the name change was due to the confusion of the planes with the same name.

Mine is a 747 with the code XFM (March, 1992). They updated how you take them apart. Instead of taking out the screw and then sliding that little metal piece out of the way you now have to take out the shackle and it will let the spring and a metal slug out. Then you can slide out this keyed metal cover. There is a divot in it that the metal slug in the bottom of the shackle hole sits in and acts like a pin at shear line.

Unfortunately I dont have a key for this one. I could send it your way Gordon :D

Image
PhoneMan: I always knew I'd say something stupid and it would be someone's sig
macgng: i am an equal opportunity pervert
macgng: aww fuck thats goin in someone sig :-(

If life gives you melons, you might be dyslexic.
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GWiens2001

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Post Sat Aug 16, 2014 11:39 pm

Re: American 747 disassembly

Thank you, Jeff and Riy, for correcting the new model name for me. :oops: And thank you Riy for the picture of the updated 747. Wonder when the changeover in models occurred.

Wonder if the shackle lowers enough to prevent the slug from moving up on the newer model, or if it is strictly spring tension that keeps the slug in place. It would be interesting to take it apart and see. It would be funny as heck if you could use a rawhide mallet or a deadblow hammer to bump up the slug enough to slide out the plate and disassemble the lock while it was still locked. Think the heel of the shackle would have to be narrowed to fit inside the spring and fit nearly flush with the slug to prevent this suggested bypass.

Funny how when you know how something works you can sometimes figure out a way around it. :-)

Gordon
Just when you think you've learned it all, that is when you find you haven't learned anything yet.
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jeffmoss26

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Post Sun Aug 17, 2014 12:39 am

Re: American 747 disassembly

Mine is the same as Riy's but does not have a date code! Only a single 'P' marking.
Innerpicked: The more keys you carry, the more important you look
GWiens2001: Great video! Learned a lot about what fun can be had with a forklift and a chainsaw.
pmaxey83: but i first have to submit the proper forms for a new hobby to my wife
xeo: i root for the kernel
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GWiens2001

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Post Sun Aug 17, 2014 1:15 am

Re: American 747 disassembly

jeffmoss26 wrote:Mine is the same as Riy's but does not have a date code! Only a single 'P' marking.


Guess the guy/gal running the date stamper really had to 'P', and forgot the rest! :mrgreen:

Gordon
Just when you think you've learned it all, that is when you find you haven't learned anything yet.
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Riyame

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Post Sun Aug 17, 2014 2:41 am

Re: American 747 disassembly

GWiens2001 wrote:Thank you, Jeff and Riy, for correcting the new model name for me. :oops: And thank you Riy for the picture of the updated 747. Wonder when the changeover in models occurred.

Wonder if the shackle lowers enough to prevent the slug from moving up on the newer model, or if it is strictly spring tension that keeps the slug in place. It would be interesting to take it apart and see. It would be funny as heck if you could use a rawhide mallet or a deadblow hammer to bump up the slug enough to slide out the plate and disassemble the lock while it was still locked. Think the heel of the shackle would have to be narrowed to fit inside the spring and fit nearly flush with the slug to prevent this suggested bypass.

Funny how when you know how something works you can sometimes figure out a way around it. :-)

Gordon


When it is closed there is probably not enough room to bump it open.
PhoneMan: I always knew I'd say something stupid and it would be someone's sig
macgng: i am an equal opportunity pervert
macgng: aww fuck thats goin in someone sig :-(

If life gives you melons, you might be dyslexic.
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Oldfast

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OldddffAASSTT the Spin Master Extraordinaire and American Lock Slayer
OldddffAASSTT the Spin Master Extraordinaire and American Lock Slayer

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Post Sun Aug 17, 2014 2:46 am

Re: American 747 disassembly

Indeed, nice work Gordon. Thanks for always taking the time to snap some pics as you go.

And.... FREE?!.... you son of a.... lol. Nah, I'm happy for ya. Free always feels good :D
" Enjoy the journey AS MUCH as the destination."
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VancouverSpecial

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Post Sun Aug 17, 2014 5:54 am

Re: American 747 disassembly

MrAnybody wrote:Yer just can't beat a tasty piece of Gordon lock porn for the weekend :drool:

Great stuff. Thanks for sharing that. Really cool to see.


:agree:

Excellent tutorial once again - thank-you!
Always learning from you - Yoda - I am but a lowly Padawan learner. :salute:

Have great weekend guys,
Sean
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VancouverSpecial

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Post Sun Aug 17, 2014 6:13 am

Re: American 747 disassembly

Forgot to add that I scored a brand new 748 with box off eBay for $30. :hbg:

Now I gotta pick it - if I can only channel some of Gordon's mojo I'll be rockin - :lsaber:

Cheers,
Sean
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