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The (RV Manufacturing Corp) hydraulic floor jack find

babaluba

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61
Location
Norway
This tread is a result of the attention this floor jack caused over in Thomas' shop tread (http://www.garagejournal.com/forum/showthread.php?t=51567), but as not to get to much OT there, I made this tread instead.

So, to sum up.
This was the original post that started it
Sory for this bit of OT, Thomas. But I thought I'd take the opportunity to thank you (and of course Mr. Johnson) for your efforts in louring all of us into your sphere and way of thinking :)

Today, I made a deal with a couple of older gentlemen, who is in the process of sorting through their late brothers workshop, trying to give prolonged life to all the tools and equipment their brother had accumulated through the years.

I bought a few items, didn't pay to much for them as they gents expressed it: "Better if the stuff is sold to be used, rather than being tossed or sold for scraps!"

I myself haven't got much of a workshop yet, but it's better to start collecting sooner than later, right?

Aaanyway, I thought I'd share a couple of pictures of a drill press I bought. I simply love the genius in it, it appealed to me at first sight. The two gentlemen told me this was one of the first tools this man bought when he started his business years ago, and even after buying a much bigger replacement later on, he had been using it all the way up to his retirement a few years ago. As you can see, this machine has a bit of what I'd call the "Mr. Johnson pragmatism" to it. Years back, it had only one speed, and as his needs expanded, he simply replaced the straight axle with a gearbox, so now it has several speeds (and probably also reverse?) Of course, it is quite small, and probably looks like junk to some, but I feel this will suit me well for my needs, at least for now. I know, it needs a belt cover.

52332_img_0471_1.jpg


52332_img_0470_1.jpg

(anyone recognize the gearbox, btw?)

Also bought this huge floorjack (one of four not functioning properly)

52332_20130109_193722_1.jpg

It needs full refurbishment, as far as I can see (so thanks for that too)...



So, once again, thank you, my good sir, for taking the time to let us (or at least me) get onto the old tools track...

Sorry to all for this interruption in broadcast, back to topic.

The post was ment to show the AWESOME transmisson conversion that guy had made on the drill press, but somehow the jack made just as much attention :)

This was Thomas reply:
Fantastic find babaluba, wow!
SNIP
Your floor jack was a nice score also. I'm confident it can be serviced with parts from Hiball no problem and you can cosmetically refurbish it to your taste. Who is the manufacture and what capacity is it rated for? Great to see this old equipment is being recognized as having much useful service left and is being used but not abused!! Congratulations and way to go! Thanks for sharing with all of us here. :thumbup:

Thomas

I edited out some stuff about the drill press, as it doesn't really apply here (sorry Thomas) Even though it's a REALLY cool find, and I will probably make another tread on it later.

So then I replied as following:
You know, I have absolutely no idea. I was the biggest in the shop, so I thought it might be the one most worth keeping. Capacity-vise, I would take a wild stab at perhaps 3-3,5 metric tons somewhere, for the manufacturer all I have is the text on aluminum cover plate.

20130109192237.jpg



Hey look, it's made on your side of the pond! :D Anyone recognize this, or perhaps have got any idea on where to find info on it?

My guess is this plate also covers the oil filler cap?

Btw, thanks for the encouraging words!


Then came this from Omr:

Which leads to a google patents page, showing a lot of info on the mechanics of the jack. All really helpful when the day comes when I will take it apart for servicing...

And this from Nooner:
Wow!!! Lockport is my home-town. Harrison Radiator was the largest employer in town when I was a kid, 'Harrison's' eventually became Delphi, but there was a lot of industry in the area prior to 'urban renewal.' I'm interested to find out more about that jack!

Talk about a response. That is great. I actually stumbled upon a man who has lived where it was manufactured, and wants to find out more!

And then this from Thomas again:
babaluba, I found what was described as a 6 ton truck floor jack that was manufactured by RV Manufacturing Co for sale:

http://www.thepapershop.com/view/2120130102924843-truck-floor-jack#.UPHo42fB_h4

... but there's no picture. I'll see if I can get any information from Hiball about R V manufactured jacks.

Thomas

It would be awesome if this jack actually was capable of that much weight, wouldn't it?

And Nooner again:
I contacted the Niagara County Historian's Office:
(http://www.facebook.com/pages/Niagara-County-Historians-Office/299057299891)
Hopefully they will be able to tell us something about it, they seem to know everything about Lockport (I sure miss the place sometimes). I didn't remember there being a 'Race Street' in Lockport when I was a kid, and it doesn't show up on google maps or mapquest, so I am curious what is there now and if it gives any indication of what RV Manufacturing was or became.

REALLY Looking forward to that!

And once again Thomas:
Thanks very much Nooner. It's efforts like this and from everyone else who post in that makes this thread so interesting and informative. You guys rock!! :thumbup:

Thomas

Aaaand that's the spirit of this forum! I litter this guys awesome thread with a few insignificant pictures of some old stuff I bought, and he's all like "WHOOA, come on in!" Thanks again Thomas!


This is so cool!
From the cover plate on the jack we can gather that there was a production facility somewhere in Lockport, NY, called RV Manufacturing Corp, and that they made floor jacks (probably amongst other stuff).

And if Nooner gets a response on his request to the Niagara County Historian's Office, we'll probably get some more info on them.

I picked the largest jack of the ones left in the shop (all the working ones were already sold), and I paid what is about equal to 50 USD for this jack. Yes, it is practically paying for dead steel as it sits now. But even with that in mind, I felt that in that setting that was to little (keep in mind that this is Norway, where EVERYTHING is expensive), but the gents were persistent.
No, it is not functioning at the moment, but that shouldn't be to much of an issue. And the cheapest junk of a china jack of equal size and power, well it probably doesn't even exist. My guess would be about 3-400 USD and upwards over here. For something that even wouldn't come close to the quality and feel of this thing!

Quite exiting to get these responses from the forum members. Anyone else sitting on information, please do post!

Also, I will refurbish it to working order in the time coming. I won't be right away, as it is -15 degrees C (5 degrees Farenheit) outside for the time being, and I only have an uninsulated workshop.

Hopefully I will post again soon with more info :D
 
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EDGAR

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Aug 21, 2010
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That patent, US2039896, is for a 1936 designed jack. Yours is more modern compared to that date. If you study the drawings you will realize that the pump in your jack is completely different from the jack's pump in the patent, so it will not help you at all to repair your jack. Also, the jack in the patent is a small jack, probably no more than 26" long. I do not understand what relation has this patent to your jack, maybe I missed something.

Your jack looks capable of lifting 6 tons, maybe it is the same as the jack in the ad link you presented.
 

BB767

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babaluba, here's Hiball's reply to my request for more information about your jack: "I believe it's a watco/ausco, unsure of the model number."

Not much to go on but it's a start. He's rebuilt or supplied parts for several hundred if not thousands of jacks over the years. Pretty sharp fellow. Maybe this will point you in the right direction. A picture or two with the cover plate off showing the power cylinder might be helpful too. You can PM him with other information once you get ready to start service work on it. Good luck and keep us up to date. :thumbup:

Thomas from the Restored 1930's Auto Shop

http://www.garagejournal.com/forum/showthread.php?t=51567
 

Hiball

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babaluba, here's Hiball's reply to my request for more information about your jack: "I believe it's a watco/ausco, unsure of the model number."

Not much to go on but it's a start. He's rebuilt or supplied parts for several hundred if not thousands of jacks over the years. Pretty sharp fellow. Maybe this will point you in the right direction. A picture or two with the cover plate off showing the power cylinder might be helpful too. You can PM him with other information once you get ready to start service work on it. Good luck and keep us up to date. :thumbup:

Thomas from the Restored 1930's Auto Shop

http://www.garagejournal.com/forum/showthread.php?t=51567

Thomas after a good nights Sleep i decided to look into this Jack a little further, Based off some Old Kit books it appears that RV Manufactured there Own Jacks. I dont have any Detailed Drawings (sent a email to a couple friends in the business) but based off some Old books im seeing a J-8 and a J-20 which translates into a 4 ton and a 10 ton jack. I wish i could be of more assistance, But thats all i have for Now.

Steven
 

CRTDI

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Jan 11, 2010
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1,533
babaluba,

That's a great looking old floor jack. Looks very robust. I was able to come up with some limited information on a similar looking, Joyce L-4 jack. I'm not real sure of the connection, if any with RV. Hopefully, this info is helpful to you.

JoyceL-4.jpg


JoyceL-41.jpg


Good luck with your project!
 

Danglerb

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Old tools like that have a history you can almost feel, and you sure can't buy from a store.
 
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babaluba

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Norway
Thomas, Steven, CRTDI, thanks to all of you. This is all useful info. For now it would seem like this is a bit of an odd make, hopefully more information will surface.

However, the Joyce-documentation CRTDI supplied looks promising, that jack looks very much like mine. I will have to wait a bit until the temperature is a bit higher before I crack it open. To cold right now, and also I think I might have caught the flu. No sense in going out working right now.

Danglerb, you are quite right. And even more, when just a few pieces from this jack weighs more than a complete ********-the-shelf today, i feel it gives an extra sense of sturdyness...
 

GT-TX

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Apr 24, 2012
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Georgetown, Texas
Babaluba:
I followed you here from Thomas' Forum thread (Restored 1930's Auto Shop). I'm the guy who identified the transmission mounted on top of your drill press was originally from a 1930-1931 Model AA Ford truck (first four speed transmission Ford ever mounted in a heavy truck).

Your remark, "Also, I will refurbish it to working order in the time coming. I won't be right away, as it is -15 degrees C (5 degrees Farenheit) outside for the time being, and I only have an uninsulated workshop" makes me appreciate the fact that I live in Texas . . . however it's actually pretty cold here as well - if it's under 85 degrees F I'm not happy.:shocking:

My son and his wife were stationed in Fairbanks, Alaska for four years in the U.S. Air Force and he called me one day in March and said, "what's it like in Georgetown today Dad?" I replied, "Guess just a normal March day, probably 75 degrees, why?" He said, "How does 68 below zero (fahrenheit) sound?" Said his wife made him a pot of coffee and he took a scalding hot cup out on the porch and threw the contents in the air and it instantly vaporized! Then he got my granddaughter's bubble blowing stuff and blew some bubbles - said they just landed silently on the porch . . . he flicked one with his finger and it shattered like a lightbulb! No thank you, Texas weather is good enough for me! :willy_nil
Fred
 

Nooner

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I haven't heard back from the historian's office yet - but It has only been a week... Maybe I'll try calling on Tuesday. :fingersx:
 

Nooner

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got a quick reply today:

"Race Street was off Pine Street directly behind the buildings on Main Street. The street was removed when the parking ramp was constructed. No idea on RV. I will take a look"

The semi-circular structure in this picture is the parking ramp. So Race street was very close to the locks on the canal. I can't wait to hear more.

http://mapq.st/WSXmsu
 
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babaluba

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That is really cool. So my jack is now officially a proper piece of history!

On a side note, even though it is still quite cold outside, Saturday I manned up and got the jack (partially) cleaned up. Or at least the oil-reservoir cover, in order to remove it for inspection. Then unscrewed all four screws, opened up, and there was almost no fluid (probably a quarter inch at the bottom). Filled almost completely up, put the lid back on, aaaaaand success!!!

Hooray, it lifts! And holds up, at least its own weight. Left it in fully up-position, gonna leave it there for the week and se how much it sinks when left to its own (and gravitys) devices. Keeping in mind that it is quite cold, and the fluid probably is rather thick and slow pouring. Left it on a sturdy piece of cardboard for now, just in case some of the fluid spills out on the concrete in the shop.

If it doesn't sink down by next weekend, I will find something really heavy to jack up, and see if that sinks, and if so, where and if it leaks out. If I then can find the leak, I'll start refurbishment when the temperature improves somewhat.

A couple of pictures:
20130209130947medium.jpg

20130209130951medium.jpg
 
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babaluba

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FINALLY!
The outside temperature is rising, the list of critical "to-be-done" tasks have been shortened somewhat, so last night I took an hour to try to disassemble the poor thing.

Worth mentioning, I tried the jack whilst changing from winter tires last weekend, and it wouldn't hold. At all! Lifted the car up just fine, but dropped down within about half a minute. And left a serious puddle on the floor where the piston rod enters the piston... :mad:
Oh well, as expected.

So, my plan was to get up onto the worktable, but as the thing weighs almost as much as me, I figured I'd better disassemble it on the floor instead. So I did, and this was the result.

20130422191126large.jpg


Up onto the workbench, gave it a good cleaning off. Tried to drain the oil out the bottom, but the plug was comletely seized. So I took the lid of instead, and what I emptied out wasn't too bad. I topped it of sometime right after christmas, and now almost half of it had bled out through the piston. The rest had mixed with whatever sediments and old goo left in there.

A few shots of the thing cleaned up (at least to some extent):

20130422194446large.jpg


xnoexif.jpg


ynoexif.jpg


I'll clean up the insides before reassembly, and probably make a new gasket for the cover, but I won't do any exterior work until I'm sure I get it to working order.

Now, to the issue, someone has welded the damn piston "nut". Is this normal? Anyone? I'm gonna carefully cut away the welds with a small cutoff-wheel, it's gonna take forever. But I really don't want to damage the threads.
Also, the underside is very worn, my guess is that there are a few holes a bit oversized from hard use. So I probably will have to get some help in fixing that, either with a small bracket underneath, to hold it up from the floor, or just welding on a wear plate.

After that, I figure I'll find someone local dealing in hydraulics to set me up with the right parts. I'll do it step by step, first cleanup insides and new piston rings and seals etc. If it holds up then, I'll check for other leaks, and then take care of the exterior. However, please don't expect powder coating a la Thomas, I am nowhere near his standards, besides this will be a tool for hard use. Ill paint it up nicely, in some flattering color. Most likely pink or bright green? :dunno:

Just to make it easier to spot when some thug tries to sell it of after ripping through my shop (yes, we have some issues with foreign "workers" passing by on their way home, and "borrowing" a few items here and there"). No, but seriously, I'll find a nice red color, and then mark it up like I do with everything else. Just don't expect daily updates on the progress . This is just a side-project, when I find some time, and need a bit of therapy...
 

Hiball

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Babaluba, Im not familiar with this Jack so im trying to Learn as you go also.. After looking at Davids manual that he posted earlier in the Thread, it appears that model uses a Internal C-clip to hold the End piece in. Does yours have that Option? If you look at the Welds you can actually see where it has seperated in one of the Pics, Even then.. Very Sloppy.. Looks like some of my Early Welding.. LOL. Ill be following along...Curiously awaiting your Next Pictures.
 
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babaluba

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Well then Hiball, lets carry on!

I couldn't help myself, so I decided to have a look at the welds right after work yesterday. Took out my trusted Dremel, and carefully started cutting into the seams.
1, 2 and 3 seams were cut away witout to much hazzle, but the end result was not as I expected.
The first seam cut away nicely, but as the last portion of it let go, the ring
shifted a bit, so I thought perhaps the ring and the threads had cracked apart at some point, and that this was the reason for the welds. Not so! After removing enough of the other two welds, the ring came of, and it would seem as it was designed to be welded on. Not very service-friendy!!! The treaded portion has a nice flush machined surface, with two holes for a special removal tool.

First cut made:
20130423155802large.jpg


Second and third cuts made:
20130423160308large.jpg


Ring removed, you can see the surface, and one of the two holes in the whatschamacallit (the threaded piece):
20130423161601large.jpg


Now, where this project screeches to a halt:
20130423161605large.jpg


How I see it, it would look as the piston has taken a severe beating at some point, as the welds covers a fair portion of the underside of the cylinder end. I fear that the whole threaded portion is welded, perhaps due to wear, or maybe a crack after a fall? Aaanyway, I now have to look into the possibility of having the piston reworked, perhaps have a professional remove and replace the welded part with a new cylinder end. This to me sounds awfully expensive, ecpecially here in Norway where manhours don't come cheap, and companies that do this kind of work, specializes in jobs for offshore, marine, heavy construction, mining etc.

I have found a few companies within driving distance, and it appears that they do take on one-off jobs, but perhaps not in this small scale. I fear they operate in a completely different cost-range than what was originally my plan for this jack, and that they'll probably laugh me off.

Oh well, we'll see when the time comes. For now, this is as far as the train goes. Maybe I can find someone who can fixit for a reasonable price, or perhaps if I am REALLY lucky manage to find a similar jack, or even parts of it (don't think so!).
I payed about 50$ for it, not to bad a loss. Also, a new and sturdy jack that will cover my needs (this one is actually way too big for me, but oh so cool) won't cost a fortune. Sadly, this will come down to cost. I'll keep you informed!
 

JunkJunky

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Jul 2, 2012
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I just posted some pictures today of my RV jack that is very similar to yours, but cap reads Ringueberg and Van De Mark. It works great except the lowering linkage and springs are missing. I replaced the springs with hardware store generic springs so it doesn't go down fast unless there is weight on it. Do you still have the jack, or at least better photos of it. This is my all time favorite tool. My father claims that he bought it at his uncles garage auction when he closed up shop, outside of Rochester, NY in the 1960's.

This thread is great!

Jerry
 
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babaluba

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Hi JunkJunky.

There are actually no springs on my jack at all. That is to say, someone has mounted a spring to hold up the handle, but that is just because the jack is not functioning properly (the leak and all). I still have the jack, I haven't given up on it (yet). What sort of pictures are you looking for?

Btw, it would be might helpful for me to see how your jack looks on the underside. More specifically around the area where I have issues with mine, the end of the cylinder, with the threads, the locking ring etc. Would you mind awfully much tipping it over and taking a few shots?
 

JunkJunky

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Babaluba, I'll get some tonight for you. Don't mind at all. The patent gives a good description of the function and it gives meaning to the holes that need to be filled (pun intended!). I'm glad that you haven't given up yet, it is a fantastic piece. Although it has been over 10 years since I had it apart, I immediately recalled the weld in your photos. Always though it was odd for a hydraulic cylinder, but maybe makes sense in the environment its designed for. I'm looking forward to finishing this up. Jerry
 
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JunkJunky

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Babalube,

The piston is not welded as I thought. Time certainly distorts memory. See the attacehd picture. Looks my jack is missing the piston cap and looks as if it some some extreme service at one time, deforming the rod the piston pushes on, and breaking the bearing surface the rod is welded to. Looks to be an adequate repair at some point in its life, but definitely reinforces the safety practice of not relying on a jack alone when you are under a car!

I also added a better picture of the lock and release components that I am missing. The patent describes the functions well, but if you could shed some light on the bell crank dimensions and photos would be great.

I'm also curious if the Ringurberg and Van De Mark was abrieveated to RV at some point in production. My resevoir cap is cast in with no type block flashing, where it looks like your cap the RV area has block flashing indicating a mold change?

Keep me posted.

http://www.flickr.com/photos/55455777@N04/8960325928/

http://www.flickr.com/photos/55455777@N04/8960325900/in/photostream/
 
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babaluba

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Let see now:
1. It might seem that you are right about the change of company name, line three, four and five all shows signs of being changed in the mold. At least there are clear surrounding all three. Also, it looks upon close inspection, it actually might state "R.V." and not "RV".
HOW COOL IS THAT? The plot thickens! :willy_nil

2. Bell crank dimensions? Would you be so kind as to explain to a foreigner what that means? Not sure which part that is, but I think (after a quick google picture search) you are talking about the peice of flat angled steel transferring motion from the handle to the tank housing? Guess who is gonna go "Ahaaaaaaa" as soon as you explain.

Anyway, I took a bunch of pictures of both ends of the handle:





















The search for truth continues :lol:
 

EDGAR

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JUNKJUNKY

Are you sure the name is Ringurberg and not Ringueberg? Could you check the reservoir cap again?
 
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babaluba

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There is a link to his flickr-account at the bottom of his post, so you can see for your self. And yes, you are correct. It reads RINGUEBERG...
 

JunkJunky

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Yes, sorry for the typo. Ringueberg is the correct spelling. Its funny that you found a jack in Norway and I'm just 20 miles from the original factory in Buffalo, NY. Pretty cool stuff.

Yes by bell crank I mean exactly what you thought. Eventually I would like to get the jack back to original. I'm missing all of the handle locking mechanism and the bell crank. Thanks for the photo of the top. I never would have caught the locking detent to hold the "bullseye" in.

The patents are all 1936, but there seam to some small changes in parts from yours to mine, including the resevoir cover and my release lever is pressed/stamped steel. Yours appears to be cast or fabricated alluminum.

I'd love to see what info can be found on the company.

Where do you stand with getting your cylinder rebuilt? Any more thoughts?

Thanks for the photos. This is great.
 

JunkJunky

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Babaluba,

I'm looking for the dims layed out in the attached picture. As close as you can get would be great. Thanks!

Parts dims.jpg
 
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babaluba

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Okay, so I just took a bunch of pictures with the caliper showing dimensions (in mm though), seems I have to take it apart to get some better shots, especially of the bell crank. It is slightly bent (guessing its made that way), but it is hard to show on the photos. I'll see if I can upload the pictures in the morning.

Can't make any promises regarding when I can get around to taking it apart, but again, please do remind me from time to time. Also, keep in mind that I already have the cylinder/tank-assembly removed, so the movement transfer doesn't show. But from when I had the whole jack assembled, it looked okay to me.

I'll try to remember the shots in the morning.
 

JunkJunky

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Approximate dimensions are ok. I think that I'll have to do some trial and error during fit up anyway, so don't trouble yourself to dissasemble it. I think I see what you mean about the offset of the bottom portion of the lever. Thanks for your help! :rocker:
 
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babaluba

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So, a few more pics today, some with dimensions, and some just to show the general layout.
Not sure about the bar across, but it looks like its meant to be there. It stops the handle from tipping more than 90 degrees. I cannot imagine the previous owner going to such lengths as to bend or form that cross bar in any way. He was a straight off "basic is good enough" kind of guy...

Have a look (and probably do some conversions on the measurements), and tell me if you need anymore input!

























 
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babaluba

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Oh, completely forgot, when the bullseye knob is fully extended, the rod at the bottom is flush with its guiding pipe (didn't manage to get a full length measurement on this). Does that make sense at all? Also, the indent/cutout below the knob might not be original!
 

JunkJunky

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Makes perfect sense.

Have you made any progress with the cylinder repair? Can it be dissassembled if more weld is removed? It would be awesome do get both jacks working as original.
 
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babaluba

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Nope. No progress on my part. Don't think I will either, at least not until after the summer. To much other stuff to be done during the few months of relatively dry and warm weather.

Had a discussion earlier today about the jack with my colleague, we more or less agreed that the most sensible way will be to gently grind away the weld, until its possible to unscrew the cylinder cap. Hopefully the weld doesn't go completely through the threads and cylinder side, if so im screwed.

If not, I'll get the seals etc refurbished, and put it back together with a new weld. And hopefully the fix will last my lifetime. If not->sold for metal price...

There is absolutely no chance of finding anyone willing to do a end cap replacement for a reasonable amount here i Norway today. Specialized/custom work like that will cost an arm and a leg, or more. And I'd like to keep all my bodyparts :D
 
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babaluba

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Oh, btw. If you ever come around to taking the cylinder apart again, please do take a bunch of pictures. Would be nice to see how it looks on the inside on that end... Would definitively help in the grinding process...
 

JunkJunky

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Based on the patent drawings it appears that the release handle faces away from the operator, and pushes down into the handle to release.

I agree with you about grinding the weld out. Your suggestion to grind slowly seems the right thing to do. I would bet that the weld didn't penetrate into the cylinder itself. Wish you luck! Keep me posted.

My progress will be slow too, weather is nice and too many other projects!
 

EDGAR

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Photos of interesting jacks are shown in DJ.CLUBMAMBO 's facebook page linked in his post # 38.
 
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