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Help with Jack ID

michjacket

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Apr 27, 2016
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SE Michigan
This old jack was in my garage when I bought my house 25 years ago. It was locked up but I did not want to throw it out without seeing if I can fix it. I recently disassembled it so I do not have pics of it fully together. There is absolutely nothing written on it besides a small "Made in England" tag riveted to one of the rear wheel mounts. Attached are some photos of the disassembled jack, with close ups of some of the components which might help someone familiar with jacks identify it. Thanks!
 

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michjacket

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michjacket

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Apr 27, 2016
Messages
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SE Michigan
I've had internal jack parts made by a machinist buddy.

The internals look great on this jack. The cylinder and ram are near perfect. It is just missing the springs and balls. I just hope I can find replacements. Obviously a jack is not something you want to haphazardly rebuild since it could be a safety hazard.
 

Roberts210

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The spring that holds down the overload valve is the most important. The other springs just keep constant tension on the ball valves.
 
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michjacket

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Apr 27, 2016
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The spring that holds down the overload valve is the most important. The other springs just keep constant tension on the ball valves.

Agree! If I am unable to locate that exact part this will be a pile of scrap. Actually you would not believe the number of times in the past 25 years while rummaging through my garage looking for a piece of 0.25" steel plate I almost sacrificed this thing!
 

Roberts210

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NO, don't throw it on the scrap pile. Annnnything but the scrap pile!

I was rebuilding a Japanese, Craftsman badged Green jack from about 1980 for my buddy. These are good old jacks. Long story cut short, the previous owner had pulled the overload valve out and had lost one of the components. I dropped off what was left of the overload valve to him and he said he'd make me another one and mail it to me. It never arrived, and he just make me a 2nd complete set. For that he charged me nothing. He said it didn't take much time at all.

This is what he made. Even if you don't have a friend who is a machinist, somebody with a lathe and some smarts can make what you need.

162433965.jpg
 
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michjacket

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Thanks Roberts210. I don't plan to scrap it now that I have dug into it. I am beginning to get attached to it as I research it. Because of this website I have now identified the make and have leads in the UK to get parts and provide pictures of their working jacks. And this morning I received an email from a hydraulic repair shop in the UK that has a fairly vast inventory of Epco seal kits. Really the only parts I am missing are the balls and springs, which even if I cannot find originals I should be able to find replacements. I just need the specs.
 

Roberts210

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Balls are balls the world 'round. Although a metric ball might fit better than an SAE ball. Maybe. I'm glad you are liking it. Old jacks are good jacks if rebuilt properly.
 

Fordguy1964

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I guess since I jumped on this thread late I guess it is too late to say "You don't know Jack!" I guess now you do know jack since you have had help identifying it. That looks like a really good jack and once rebuilt should give YEARS of reliable service. Good thing you didn't throw it away!
 
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michjacket

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Joined
Apr 27, 2016
Messages
72
Location
SE Michigan
I guess since I jumped on this thread late I guess it is too late to say "You don't know Jack!" I guess now you do know jack since you have had help identifying it. That looks like a really good jack and once rebuilt should give YEARS of reliable service. Good thing you didn't throw it away!

Yes, with help from our members I now know the manufacturer. There is a cover plate that goes over the ram that is missing, and unfortunately that is where the model info would be found. Hopefully this UK hydraulic shop can help me pinpoint the model.
 
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