hydraulics not working

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hydraulics not working

Postby sburre » Tue Apr 18, 2017 7:46 am

I have rebuild the hydraulic pump and the touch control on a cub ser: 47095 251341r1 and the hydraulics will not lift. If I help pull them up they will stay in the up position. Any suggestions as to what the problem might be?

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Re: hydraulics not working

Postby PoconoCub » Tue Apr 18, 2017 4:27 pm

Did you check the hydraulic oil level? Since you completely emptied both the TC and the pump you have to check it once the system is pumping to fill the voids and get the air out.
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Re: hydraulics not working

Postby Glen » Tue Apr 18, 2017 5:25 pm

The system uses Case IH Hy-Tran fluid, it is thin fluid. There are other brands, be sure it works with IH systems before buying it.
When you first fill it after being apart, fill it up to the filler hole.
The air has to be removed from the system so it will work.
Here is a page from a Cub owner's manual telling how to fill the Touch Control and remove the air from the system. Be sure to do what it says in paragraph 4.
If you have run it lots, and air is mixed into the fluid, it might be good to drain the system and start over filling it, it only holds about 3 1/2 pints. The drain plug is on the right side, like in the pic below.
The number you posted above, 251341R1 is the block part number. The engine serial number is above the engine oil filler, stamped in the block. :)

http://farmallcub.com/rudi_cub/www.clea ... age-67.jpg

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