Posted by Nyquil Junkie on April 22, 2022 at 12:02:19 from (71.60.220.34):
We have a 63/64 Ford 4000 industrial backhoe tractor, with 1168/F9 backhoe....and the backhoe's hoses need replaced. Before I get into that, I have some questions about hose sizes ect...
So first off, the hoses the previous onwers have in the hoe are huge. Going to the control block from the pump, I can understand they are probably suppose to be large diameter hoses. The hoses running from the controller to the cylinders are also large diameter hoses, but the hoses going into the cylinders are generally much smaller. I replaced a couple already, and they were 1/2. They joined up with those much bigger lines from the controller via some hard steel lines and reducers in some places.
So you have this going on;
controller --[]========[]----------- cylinder
They seem to have a 1/2"or smaller port on the controller going into a 3/4 or 1" hose adapter, into a large diameter hose, that is reduced down to 1/2" or so going to the cylinder.
I can clear that up with pics if needed...
My first question is, do I have to use these big fat lines coming from the controller that reduce down to 1/2", or can I simply run a whole one piece line from the controller to the cylinders that is simply 1/2" or smaller, whatever the cylinder connection may be?
I hope that makes sense...
The old large bore lines that they have going from the controller up inside the boom are a really tight fit, Im not sure how they jambed them in there to begin with.
I guess my simple question is, is there any harm in replacing large bore hydro hoses with smaller (and cheaper) bore hose? I don't care about cutting the speed of the action down, I just don't want to mess anything up and make a mess later.
The connection on the controller that go to the various cylinders on the hoe mostly seem to be smaller than the hoses they have going out of it.
If I could rehose it all with 1/2" line it would not only be cheaper but alot easier to run those hoses where they have to go.
Sorry for the long winded question... lol.
So..does it do any harm to reduce the hydraulic hose size? So long as the diameter is the same as the outgoing port on the controller, and the input port on the cylinders, I dont see it being a problem....but I know very little about hydraulic systems so... here I am. Maybe there is some reason they have it hosed this way, I have no idea.
This post was edited by Nyquil Junkie on 04/22/2022 at 12:11 pm.
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