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Old 01-24-2010, 02:43 PM   #1
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Interior Hi-Lift mount

It's been done before, and I'm sure it will be done again... Just not necessarily the way I did it Being a machinist and having access to a manual mill can be a good thing at times

After extensive searching, I found several links to people using conduit clamps to hang there Hi-Lift jacks behind the rear seat. I even found 1 reference to hanging it at the top of the roll bar. Since my dogs use the Jeep for transportation, and since I run without a rear seat, I opted for the high approach.



I had originally mounted my jack using the conduit hanger but I noticed a fatal flaw in the design. There's a nice fairly sharp bit of metal sticking straight up on one side, and straight out on the other. When I put my soft top on, I fear that it may eventually either wear thru or tear my top. Not gonna happen on my watch. Not to mention the security aspect of having 1 very accessible bolt per side holding the jack in place.



Another thread had mentioned Collar Clamps, so I picked up a set of 2 1/4 split collar clamps from MSC industrial and set about modifying them. I drilled and tapped then for a 5/16-18 all thread rod to make the basis of my new hangers. I slid the roll bar padding back and installed the clamps. You can see how there's nothing really for the soft top to catch and wear on.



Then my mind turned to security of the jack. Since the collar clams use allen bolts, I pointed them twards fixed points on the jack to make it harder for someone to unbolt the clamps. I also bent some 3/16 plate steel to make a locking system.





Nice and secure with a Master lock. No real way to take it down without taking the lock off. I know, locks are only a deterrent, and if someone really wants it, they will get it.



Then off to the next problem. With the jack mounted high during the early testing faze, I was bouncing around in Hollister Hills when I heard a loud crack. The jack head and handle had slid up the jack and the handle had smacked the glass side window! Thankfully it didn't break it and I was able to drop a screwdriver thru the hole in the jack to keep the head from sliding over. As a more permanent fix I mad this little assembly out of 3/16 plate. It served 2 purposes, 1 - It keeps the jack head from sliding, and 2 - It actually quiets down the rattling of the jack. You can see the installed assembly in the first pic just above the label on the jack head.



So far I'm happy with this arrangement, and I can't foresee having to change it again. If I should decide to relocate the jack to the back at a later time, it's as easy as just moving the collar clamps.

I now have the ability to run my hard top, soft top or bikini without having to worry about moving my jack.

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Old 01-24-2010, 06:23 PM   #2
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Nice looking set up! I'm going to fab up something for mine when it gets a little warmer!

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Old 01-28-2010, 03:17 AM   #3
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As a TJ owner, I've come to acknowledge that space inside my Jeep is fairly limited. I don't want to take up any extra space inside unless necessary. When I bought my Jeep the Hi-Lift was mounted on the floor behind the front seats taking about 6" of foot room away from any rear passengers. Shortly after I bought my Jeep I purchased new bumpers front and rear and made sure to get a rear bumper with a Hi-Lift mount and it's worked great. Now, I've since redesigned the rear bumper and swing-away carrier to have the jack mounted horizontally and it's still a great setup. As for mounting inside, to each their own - but I would rather try to keep large metal objects away from any place where I expect my head to be in my Jeep. Trust me, as someone who's been inside my Jeep when it's gotten flipped onto its side, I keep things securely fastened and hopefully in the safest place possible.

In looking at your pictures, I noticed you've got what appears to be a mag light just above your head attached to your roll bar. If that were me I'd want that somewhere less likely to come loose.

Aside from a difference in preference as to where things are located, it looks like a good setup. It's a little difficult to see in your pictures how you have the base mounted. Have any extra pictures of that?
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Old 01-28-2010, 06:45 AM   #4
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Looks nice, Is the nut shown in the clamp picture a nylon lock nut?
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Old 01-28-2010, 08:22 AM   #5
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I didn't use any ny-lock nuts. You could if you chose to tho. The nut on the locking end falls right into one of the holes in the jack and is fully captured. No way to get to it with the lock plate on.
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Old 01-28-2010, 08:43 AM   #6
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I mount mine on top the recovery box-easy on, easy off

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