JYD II Teardown Pictures

Joined
Aug 10, 2008
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563
Hey, when are we gonna have a teardown pictures sticky thread? It's been mentioned quite a few times and I think it would be very useful for some people to see.

I tore down my standard half-serrated Junkyard Dog II today, as it'd been with me riding on ATV's on Friday and was all gunked up and gritty. That's no way to leave a nice knife, so i stripped it down, cleaned it up, and did some maintenance.

One thing I noticed is that the liners Kershaw uses on this model are somewhat corrosion-prone, and i'm not sure why. I used a bit of 400 grit sandpaper to remove this, no problems, but just vexing.

Anyway, my pictures start at "torn down" and then go forward from there. That works.

jydexplode1jf7.jpg


here is the knife fully disassembled. You can see the thick, skeletonized liners and the two-sided backspacer here.

jydexplode2cd2.jpg


blade, stop pin, liner, PB washer

jydexplode3na0.jpg


here you've got scale, liner, and backspacer on the non-lock side assembled. pretty :)

jydexplode5ub3.jpg


hex-head pivot backing is good, prevents spinning pivot syndrome

jydexplode6aq9.jpg


Pivot pin, washer, and stop pin in place

jydexplode7tb9.jpg


Ok, a bit of conjecture on my part here, but if you've never seen the inside of a JYD, this right here is why it's so huge, yet so strong and smooth opening, no play anywhere. Rather than having an external stop pin (like, say, the groove) the JYD's stop pin passes through the blade itself, and the pin has an arced track it travels through as the blade opens and closes. I'd imagine this does a lot to stabilize the travel of the blade - anyone else on this topic know more than I do?


jydexplode8ta6.jpg


I can take apart the remote control, and I can almost put it back together!
 
Nice :thumbup::thumbup: Thank you!

Although it is as simple as I imagined, still the fine pictures are appreciated.



Tom
 
Im going to tear mine down again and brave flipping the clip. Hopefully the G10 is strong enough (going to put some small bolts with locking nuts between the gaps in the liners)

:)
 
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