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Calling ALL Hydraulics Guru's!


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#61 KennyP ONLINE  

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Posted November 19, 2016 - 05:59 PM

I just went to Surplus Center and read more on this filter. It is a 200 PSI max return line filter (with 18 PSI relief). So that may be the whole problem.

ScreenShot063.jpg

 

Here is a screenshot from the Ford Manual.

ScreenShot062.jpg

 

Now the question is where to find a filter capable of the 500 PSI max I should be at.



#62 ducky OFFLINE  

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Posted November 19, 2016 - 07:11 PM

That filter is not the flow problem as I see it. It is what I use on my waste oil burner.  The low bypass pressure is not good for your application.  If you stay with it I would change it a lot more often to keep from bypassing dirt to the hydro unit.

These are some high quality filter for your application.

These filter have a 50 PSI bypass so there is less chance of blowing dirt into the high pressure side of the hydro and damaging it.

The Fleetgard HF 6446 has 7-9 GPM flow rate. This is top of the line Micro-glass filter.
John Deere uses it on there 2243 Greens mower
The Wix # crosses to 57102.
The Baldwin crosses to BT 8301


Edited by ducky, November 19, 2016 - 07:11 PM.

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#63 ducky OFFLINE  

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Posted November 19, 2016 - 07:49 PM

Kenny do you have a 716 manual?  I can not locate one in our manuals section.


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#64 KennyP ONLINE  

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Posted November 20, 2016 - 05:44 AM

Kenny do you have a 716 manual?  I can not locate one in our manuals section.

I have both the Operators and Parts. I can upload them here in a bit.

 

The Operators Manual is already uploaded here.


Edited by KennyP, November 20, 2016 - 06:28 AM.


#65 KennyP ONLINE  

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Posted November 20, 2016 - 06:33 AM

Here is the parts manual I have.


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#66 ducky OFFLINE  

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Posted November 20, 2016 - 10:48 AM

Thanks Kenny

The parts manual appears to only pertain to the gear transmission.

I got a look at the Hydro unit in the operators manual and it looks a lot like a 4012 hydro Allis I have. Could these be the same?

Just one more question.  Does the Hydro pump and motor look like the Eaton 11 in the service manual here.

Attached File  Eaton 1100-031 E-TRLD-TM001-E.pdf   1.84MB   21 downloads


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#67 KennyP ONLINE  

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Posted November 20, 2016 - 11:09 AM

Thanks Kenny

The parts manual appears to only pertain to the gear transmission.

I got a look at the Hydro unit in the operators manual and it looks a lot like a 4012 hydro Allis I have. Could these be the same?

Just one more question.  Does the Hydro pump and motor look like the Eaton 11 in the service manual here.

attachicon.gifEaton 1100-031 E-TRLD-TM001-E.pdf

This hydro is out of a Ford LGT, Don. It's in Alice now. So it is an Eaton 11/Peerless combo.



#68 ducky OFFLINE  

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Posted November 20, 2016 - 11:34 AM

AHHHH. OK now I think we are on the same page.

This the same as A snapper.

Are you returning the oil from the valve to this port on the Eaton 11?

Eaton 11 Oil In.png

 

As this supplies oil to the hydro, when you do the test I asked be sure to run the tractor no longer than than you have to to prevent damage to the hydro.

I would also suggest that you rehook the lines back up and relube the hydro in between test also.


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#69 Alc ONLINE  

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Posted November 20, 2016 - 12:03 PM

Ducky would this be the reason for such high return pressures ? Feeding the hydro

#70 ducky OFFLINE  

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Posted November 20, 2016 - 12:13 PM

Ducky would this be the reason for such high return pressures ? Feeding the hydro

No the relief internal in the Hydro is set somewhere between 30-90 PSI.

Now if the relief is stuck or not bypassing at those pressures than Yes.

That is way I would like Kenny to disconnect their and see what the pressure is than with the valve in neutral.


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#71 KennyP ONLINE  

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Posted November 20, 2016 - 12:16 PM

AHHHH. OK now I think we are on the same page.

This the same as A snapper.

Are you returning the oil from the valve to this port on the Eaton 11?

attachicon.gifEaton 11 Oil In.png

 

As this supplies oil to the hydro, when you do the test I asked be sure to run the tractor no longer than than you have to to prevent damage to the hydro.

I would also suggest that you rehook the lines back up and relube the hydro in between test also.

Yes, that is where the return line for the charge pump/ valve hooks back in. I probably won't do anything with it til tomorrow though.

From the pic there, this is sitting 180° from your pic on a Ford/Jake.



#72 ducky OFFLINE  

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Posted November 20, 2016 - 12:21 PM

Yes, that is where the return line for the charge pump/ valve hooks back in. I probably won't do anything with it til tomorrow though.

From the pic there, this is sitting 180° from your pic on a Ford/Jake.

Yes that is correct Kenny.

You should see a back pressure of 30-90 PSI with valve in neutral.


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#73 KennyP ONLINE  

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Posted November 20, 2016 - 12:34 PM

I'm wondering if the relief in the valve could be causing some of this? If it is set high, could it cause these type of pressures?



#74 ducky OFFLINE  

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Posted November 20, 2016 - 12:41 PM

I'm wondering if the relief in the valve could be causing some of this? If it is set high, could it cause these type of pressures?

As far I know it is not adjustable.  Let's disconnect their and run into bucket and see what we have. Then we can Blame or eliminate the hydro as the problem.


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#75 KennyP ONLINE  

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Posted November 20, 2016 - 12:50 PM

As far I know it is not adjustable.  Let's disconnect their and run into bucket and see what we have. Then we can Blame or eliminate the hydro as the problem.

This valve I'm using has an adjustable relief.






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