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Total 14 documents matching your query.

1. [Shop-talk] air over hydraulic bottle jacks (score: 1): Author: Mark Andy <mark@sccaprepared.com>; Date: Wed, 29 Oct 2008 17:29:22 -0400 (EDT); Anyone here used an air over hydraulic bottle jack like: http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=95553 ? I'm thinking about getting one for use with my hydraulic press, to e; /html/shop-talk/2008-10/msg00206.html (7,052 bytes)
2. Re: [Shop-talk] air over hydraulic bottle jacks (score: 1): Author: "Arvid Jedlicka" <arvidj@visi.com>; Date: Thu, 30 Oct 2008 10:00:09 -0500; I bought that one for exactly that reason and would never go back. The "stroke" seems to be small enough that you can control it with some degree of accuracy. And if nothing else it will "get you clo; /html/shop-talk/2008-10/msg00221.html (8,842 bytes)
3. Re: [Shop-talk] air over hydraulic bottle jacks (score: 1): Author: Mark Andy <mark@sccaprepared.com>; Date: Thu, 30 Oct 2008 11:52:23 -0400 (EDT); Thanks! I was wondering if the VMS guys would ever get back around to talking about shop stuff... :-) Harbor Freight had these on sale a while back and I nearly bought one. Of course now I'm so chea; /html/shop-talk/2008-10/msg00224.html (7,614 bytes)
4. Re: [Shop-talk] air over hydraulic bottle jacks (score: 1): Author: Richard Beels <rbeels@yahoo.com>; Date: Thu, 30 Oct 2008 14:35:20 -0400; I got the same (type) jack for the same purpose last year. Never going back to the non-air pump... :-) Basically hold down the trigger until you get kinda close and then 'bump' the trigger to get clo; /html/shop-talk/2008-10/msg00227.html (8,817 bytes)
5. Re: [Shop-talk] air over hydraulic bottle jacks (score: 1): Author: "Randall" <tr3driver@ca.rr.com>; Date: Thu, 30 Oct 2008 13:41:28 -0800; So, what happens when what you are pressing on breaks loose ? Does the ram then extend all the way as the air expands ? Also, I assume that silver cylinder starts out full of hydraulic fluid, which; /html/shop-talk/2008-10/msg00228.html (8,150 bytes)
6. Re: [Shop-talk] air over hydraulic bottle jacks (score: 1): Author: Steven Trovato <strovato@optonline.net>; Date: Thu, 30 Oct 2008 17:12:53 -0400; I don't think it works like that. I have an air over hydraulic floor jack, and when I was shopping for it, I was thinking the way you are. But the way it works is that there is a sort of a pump that; /html/shop-talk/2008-10/msg00229.html (9,182 bytes)
7. Re: [Shop-talk] air over hydraulic bottle jacks (score: 1): Author: "Karl Vacek" <kvacek@ameritech.net>; Date: Thu, 30 Oct 2008 16:24:09 -0500; Zackly how most air-powered pumps work. Paint, oil, grease, etc. piston pumps work that way. The air and fluid circuits are completely divorced - a leak in one will typically leak to the outside, not; /html/shop-talk/2008-10/msg00230.html (8,668 bytes)
8. Re: [Shop-talk] air over hydraulic bottle jacks (score: 1): Author: "Arvid Jedlicka" <arvidj@visi.com>; Date: Thu, 30 Oct 2008 16:37:01 -0500; Actually it seems like the air piston assembly just "pumps" the original hydraulic pump plunger up and down. So the air enters the cylinder and pushes down on the original plunger [or something close; /html/shop-talk/2008-10/msg00231.html (9,594 bytes)
9. Re: [Shop-talk] air over hydraulic bottle jacks (score: 1): Author: "Karl Vacek" <kvacek@ameritech.net>; Date: Thu, 30 Oct 2008 16:46:32 -0500; As unsophisticated as you'd expect from Horrible Freight. Usually the pistons are coaxial, but the photo shows that it's as you describe. They just added an air cylinder to a manual jack. In typical; /html/shop-talk/2008-10/msg00232.html (8,930 bytes)
10. Re: [Shop-talk] air over hydraulic bottle jacks (score: 1): Author: "David Scheidt" <dmscheidt@gmail.com>; Date: Thu, 30 Oct 2008 20:31:48 -0400; Haven't used one from HF, but I've used lots of air-over-hydraulic jacks, and they're great. They don't usually work fast enough to have control problems, but on a press, you'll probably want to do t; /html/shop-talk/2008-10/msg00233.html (8,681 bytes)
11. Re: [Shop-talk] air over hydraulic bottle jacks (score: 1): Author: "Randall" <tr3driver@ca.rr.com>; Date: Fri, 31 Oct 2008 03:55:54 -0800; It does. Thanks to all who replied. Now that I'm moving towards having compressed air available all the time (not just after waiting for the compressor to build pressure), I may look into one of tho; /html/shop-talk/2008-10/msg00234.html (8,572 bytes)
12. Re: [Shop-talk] air over hydraulic bottle jacks (score: 1): Author: Doug Braun <doug@dougbraun.com>; Date: Fri, 31 Oct 2008 06:15:02 -0700 (PDT); If you have a compressor with a decent-size tank, it should be able to hold pressure for a week or so. You would just need to close the main shutoff valve at the tank to keep leaks in your plumbing f; /html/shop-talk/2008-10/msg00235.html (9,524 bytes)
13. Re: [Shop-talk] air over hydraulic bottle jacks (score: 1): Author: "Randall" <tr3driver@ca.rr.com>; Date: Fri, 31 Oct 2008 07:54:49 -0800; No argument from me; but my current 20 gallon tank leaks down in a matter of minutes. Yes, I should replace it, and the replacement is sitting in the backyard, waiting for me to bolt it to the wall; /html/shop-talk/2008-10/msg00236.html (8,282 bytes)
14. Re: [Shop-talk] air over hydraulic bottle jacks (score: 1): Author: Doug Braun <doug@dougbraun.com>; Date: Fri, 31 Oct 2008 12:55:56 -0700 (PDT); When I first got my compressor, I noticed that the tank would run down, and I realized that the check valve (located where the line from the pump entered the tank) was not working well. I took it apa; /html/shop-talk/2008-10/msg00237.html (9,528 bytes)

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