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-   -   1450 hydraulic delete (https://www.onlycubcadets.net/forum/showthread.php?t=60065)

shortbus 06-02-2022 10:56 AM

1450 hydraulic delete
 
Just joined and not sure if this is where to post a question or not, moderators feel free to change to the right forum if I got it wrong.

I'm building a 1450 into a crawler. To do it the way I wanted I had to remove the rockshaft and since it won't have a blade I don't want the hydraulics.

I don't know if just putting a plug in the place of the original lines will hurt the hydro drive unit, don't want to hurt anything when deleting the outputs. Can any one tell me if this, plugging the outputs will cause a problem, please?

ol'George 06-02-2022 01:34 PM

First welcome to OCC.
Don't plug the outlet!! you will be bumping on the pressure relief valve causing excessive heat.
Make a nice "U" shaped 3/8" line connecting the outlet fitting with the return line.
You might have to be careful that you don't get too close to the flex joint/driveshaft.
But since this is not a normal tractor, we don't know what your configuration will be.:bigthink:

1711Cub 06-02-2022 04:04 PM

Another thing to consider is a hydro unit from a 682, 1810, 1210, or other manual lift tractor without the ports.

Farmall450 06-02-2022 04:14 PM

Quote:

Originally Posted by ol'George (Post 518394)
First welcome to OCC.
Don't plug the outlet!! you will be bumping on the pressure relief valve causing excessive heat.
Make a nice "U" shaped 3/8" line connecting the outlet fitting with the return line.
You might have to be careful that you don't get too close to the flex joint/driveshaft.
But since this is not a normal tractor, we don't know what your configuration will be.:bigthink:

Will that steal power? Constantly bleeding off pressure :bigthink:

R Bedell 06-02-2022 04:19 PM

Quote:

Will that steal power? Constantly bleeding off pressure
NO.......It is a normal loop circuit.

shortbus 06-02-2022 05:25 PM

Quote:

Originally Posted by ol'George (Post 518394)
First welcome to OCC.
Don't plug the outlet!! you will be bumping on the pressure relief valve causing excessive heat.
Make a nice "U" shaped 3/8" line connecting the outlet fitting with the return line.
You might have to be careful that you don't get too close to the flex joint/driveshaft.
But since this is not a normal tractor, we don't know what your configuration will be.:bigthink:

Thank You! That is what I need to know. It was my first thought but wanted to be sure, since I already had the plugs. I'll need to maybe move my cutting/turning brake levers but that location isn't set in stone yet.

Also, thanks the rest of you that answered If any one is interested I have some bad cell phone pictures of what I've been doing. This is something I have wanted to do for years, since back in the 1960s when I saw the Struck Track ads in the magazines.

twoton 06-02-2022 07:15 PM

Quote:

Originally Posted by shortbus (Post 518406)
..... If any one is interested I have some bad cell phone pictures of what I've been doing.......

Let's see 'em! :beerchug:

Farmall450 06-02-2022 09:47 PM

Quote:

Originally Posted by R Bedell (Post 518399)
NO.......It is a normal loop circuit.

Does the spool valve bypass when not being actuated? I assumed fluid only moved when you were opening a spool.

ol'George 06-03-2022 09:20 AM

In a nut shell:
Open center hyd. systems are flowing oil all the time during operation.
a spool directs the oil to do work when actuated, and the pressure rises,
otherwise it is just circulating oil under little pressure.

A closed center system uses a variable displacement pump.
When a spool is moved it causes the pump to pump oil to do the work.

The parasitic draw of a open system is minimal when the oil is just circulating with no pressure to speak of. :bigthink:

Farmall450 06-03-2022 10:16 AM

Quote:

Originally Posted by ol'George (Post 518424)
In a nut shell:
Open center hyd. systems are flowing oil all the time during operation.
a spool directs the oil to do work when actuated, and the pressure rises,
otherwise it is just circulating oil under little pressure.

A closed center system uses a variable displacement pump.
When a spool is moved it causes the pump to pump oil to do the work.

The parasitic draw of a open system is minimal when the oil is just circulating with no pressure to speak of. :bigthink:

I didn't realize these were open center. It makes sense for the PS models :bigthink:


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