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Babbo

Eaton 11 - Bypass Aux Ports on Charge Pump

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Babbo

I have a leak in the aux cylinder and hoses after the charge pump. The cylinder is used for power steering and has a simple control valve and double acting cylinder to turn the front wheels. I have the original manual steering setup I can drop in very easily.

My question is, what is the best way to loop-back the aux ports to essentially delete the aux cylinder and valve? My initial thought was to plug the control valve working ports so the open center valve allows fluid to return to the Eaton 11 but that's leaking too. See "X"s in the figure below.

Essentially, I want to keep the charge pump but don't want to use it for auxillary work until I fix all the leaks. Simply plugging the 2 ports doesn't seem right but looping a hose from supply to return seems like ta logical approach (red jumper hose in figure).

Any ideas?

 

image.png.dc908e73b73c0776eec4e46b8b21db52.png

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JoeM
1 hour ago, Babbo said:

looping a hose from supply to return seems like ta logical approach (red jumper hose in figure).

Yep you sure can, I have one FEL machine setup that way. I eliminated the lift circuit.

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Babbo

Excellent, thank you Joe.

 

It looks like output port of the charge pump is -6 ORB. The other end of the hose would need to connect to my filter setup.

 

Something like this....

 

image.png.33fdda38372f94ddcfe1b25e2d981a21.png

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Gibbs

 

 

 

On 5/27/2026 at 10:54 AM, Babbo said:

Excellent, thank you Joe.

 

It looks like output port of the charge pump is -6 ORB. The other end of the hose would need to connect to my filter setup.

 

Something like this....

 

image.png.33fdda38372f94ddcfe1b25e2d981a21.png

.

.

I have been looking at a way to bypass the power steering valve for another reason. 

https://www.wheelhorseforum.com/topic/72209-522xi-hydro-problems/

Starting at post #22

 

From what I have read it is not a good idea to do the bypass at the hydro pump as shown in your photo. It should be done at other end of the hydraulic oil lines near the hydraulic lift control and power steering valve. From What I have read the lines from the hydro  pump to the front of the tractor help cool the hydro oil.

Edited by Gibbs

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