Re: Hydraulic pump revisited

Posted by Tsterrett on February 02, 2022 at 06:55:20 from (64.6.127.47):

In Reply to: Hydraulic pump revisited posted by Tsterrett on February 01, 2022 at 17:31:08:

Thank you all for your input. Since I am obviously not experienced with hydraulics, I am in no position to argue or question any
of the comments.

I would like to add some info, background, etc. regarding this set up. Maybe it can help clarify solutions.

I got this tractor from my dad in 1999 and have used it extensively around my place. Nothing extreme, but moving dirt, gravel and
snow mostly. About 10 years ago, the pump mounting bracket cracked and we made a new one. At that time, we also replaced the
output shaft from the crank, the flanges and the coupler. We replaced them with the same items that we removed, which had been in
use since who knows when. We took extensive measures to align the pump and I am comfortable that it is still in alignment.
The flex coupling is the same as what we took off and the one in the pic is the current one, and the 2nd new one in the past year.

The starvation issue makes a lot of sense so I will be checking the return route for blockage. I am not sure about the large
return hose, it certainly looks like a coolant hose so I will find one for use with oil.

For a pressure gauge, is location critical? Close to the pump or up by the valve body?

The Hydraulic system is self contained, it is totally separate from the 3 point. The loader frame is the reservoir and there are
no leaks except an occasional need to tighten the flange on one of the lift cylinders.

Sorry for the bad pics, but in the one showing the return hose, there is a cast piece in the line attached to the frame and the
return hose attaches to the top of it. Is this a type of filter? or is it a collector to reduce shock? I have not studied it
yet. There is no filter as I know them, such as a screw on oil filter.

One last thing, the coupling that was posted as a suggestion for a heavier duty one, what are the dimensions? Shaft diameter,
keyway, etc.

Again, thank you all for your input, I am taking it all into consideration. I have followed this site for years with other
tractors, but I had to register again because we couldn't recover old passwords.

Replies:

• Re: Hydraulic pump revisited Janicholson 08:20:43 02/02/22 (0)

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