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Hydraulic Problem Solved.


 
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Fawteen
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PostPosted: Tue Dec 04, 2012 9:30 am    Post subject: Hydraulic Problem Solved. Reply to specific post Reply with quote

Using the advice of a guy over on the Shopbuilt forum (see the link) I built a "redneck flow divider".

Basically you put a tee in both lines and connect the tees with a gate valve. That allows you to bleed off some of the pressure to the return line.

Works pretty good, adjustable on the fly. Best of all, I was able to plumb it up out of my parts pile. I'll still be gearing it down more as soon as I can put my hands on a bigger sprocket for the pump.

Thanks for all the input from everyone.

Next hurdle is trying to dump an actual load.
Video in last post on this thread

 
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Puddles
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PostPosted: Tue Dec 04, 2012 9:46 am    Post subject: Re: Hydraulic Problem Solved. Reply to specific post Reply with quote

From what I can see in your pictures on the other forum, you're gonna have structural problems where the hydraulic cylinder is tail hold on both ends. You have the C-channel going the weak way, I'll bet anything you'll need to brace them, at least with a V going back to the side frame. Wink
 
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paul
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PostPosted: Tue Dec 04, 2012 10:59 am    Post subject: Re: Hydraulic Problem Solved. Reply to specific post Reply with quote

I can't weld worth a darn, but that would sound right to me, Puddles.

--->Paul
 
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Fawteen
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PostPosted: Tue Dec 04, 2012 11:53 am    Post subject: Re: Hydraulic Problem Solved. Reply to specific post Reply with quote

There ARE braces going from as low on the fixed mount of the cylinder as I could get them, going to the main frame about halfway forward, just above the axles.

Learned that lesson the first time I tried to lift the empty bed, even before it was decked.

I may box that rear member, or if you have a better way to reinforce it, let me know.
 
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Puddles
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PostPosted: Tue Dec 04, 2012 12:00 pm    Post subject: Re: Hydraulic Problem Solved. Reply to specific post Reply with quote

Maybe something like this, try to use the same size / width / height material.



 
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Fawteen
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PostPosted: Tue Dec 04, 2012 12:21 pm    Post subject: Re: Hydraulic Problem Solved. Reply to specific post Reply with quote

This shows the bracing to the rear (fixed) end of the cylinder.

I like the idea of bracing that rear cross member on the subframe tho. I'll have to see what I can scrounge up for material.

After cleaning up the plumbing I loaded about of yard of wet compost on it, and dumped it okay.

Definitely going to have to re-gear it, it was ALL that 5.5 Honda wanted to lift that load.

Video of dump action.

 
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Puddles
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PostPosted: Tue Dec 04, 2012 1:18 pm    Post subject: Re: Hydraulic Problem Solved. Reply to specific post Reply with quote

It might just be the picture, but it looks like that box tube is already bowed?
 
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Fawteen
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PostPosted: Tue Dec 04, 2012 1:40 pm    Post subject: Re: Hydraulic Problem Solved. Reply to specific post Reply with quote

Camera distortion.

The push point on the dump frame has been triangulated since that picture was taken.

Next time I have the bed tilted up I'll take some more pictures.
 
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dandeere
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PostPosted: Tue Dec 04, 2012 3:24 pm    Post subject: Re: Hydraulic Problem Solved. Reply to specific post Reply with quote

Well done 14, I can only think of about 5000 uses for that trailer! I also build/repair from stuff on hand,almost to the sake of fault. Last Saturday spent over an hour looking for then making a rubber wheel for a 3 inch castor out of a old boat trailer guide; only to have the other 3 caster wheels break when I put a load on. However, that looks real good. Later, Dan
 
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NCWayne
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PostPosted: Tue Dec 04, 2012 6:28 pm    Post subject: Re: Hydraulic Problem Solved. Reply to specific post Reply with quote

Good to hear you got it figured out. There are very few things as satisfying as building a complex project out of simple parts, and not spending a dime doing it....
 
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DBer60!
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PostPosted: Tue Dec 04, 2012 8:41 pm    Post subject: Re: Hydraulic Problem Solved. Reply to specific post Reply with quote

If the gate valve is just a plain water (plumbing)valve it can burst due to more pressure than it is rated to handle,i have had it happen.BE CAREFUL DON
 
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Stick welding
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PostPosted: Tue Dec 04, 2012 10:11 pm    Post subject: Re: Hydraulic Problem Solved. Reply to specific post Reply with quote

Puddles, that's what I was trying to suggest but
didn't have your computer savvy to show a pick. LoL
I still think the pump may be turning too fast. I
would put a tach. on it to check the RPM.
 
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