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Discussion Boards > Active Subjects > Messages as Posted > Chinese Tractors -- Jinma Farmpro Agracat Forum

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 06-26-2014, 14:17 Post: 190533
edwardleh



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 3 point hitch hydraulic system

I have a 2oo3 Jinma 2425 tractor. My 3 point hitch will not lift or hold a load. The power steering and also the front end loader work fine. What can be the problem? If the hydraulics work on the loader and steering filters and pump etc must be OK.






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 06-26-2014, 16:47 Post: 190535
jdurb1



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 3 point hitch hydraulic system

when this happened to me there was an adjuster that lets the pto drop fall very fast to not at all I had turned it tight thinking I was adjusting the seat






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 06-27-2014, 11:06 Post: 190546
edwardleh



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 3 point hitch hydraulic system

I believe you have the newer model that has a knob located on the top/front of the cylinder housing. Mine does not have that it has a square projection approx 5/8 inch square 1 1/2 inch high.






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 06-28-2014, 08:08 Post: 190560
greg_g



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 3 point hitch hydraulic system

Quote:
Originally Posted by edwardleh | view 190533
I have a 2oo3 Jinma 2425 tractor. My 3 point hitch will not lift or hold a load. The power steering and also the front end loader work fine. What can be the problem? If the hydraulics work on the loader and steering filters and pump etc must be OK.

There is a diverter valve that switches hydraulic flow between the rear lift and the rear remote (that pipe that sticks out the side then points rearward). Sounds like your diverter must be directing the flow AWAY from the rear lift.

As stated, the divertor valve on older models was a hex head on the left side of the hydraulic sump housing (as seen from the operator seat). And the flow rate control valve is in front and below the operator seat. On newer models, the diverter valve has been incorporated into the flow rate control valve. Don't remember if it's full clockwise or full counter-clockwise, but one of those diverts flow to the remote.

If you're wondering why the bi-idirectional remote, it is generally intended for use with hydraulic dump trailers. I guess they're more popular in China than they are here. Fluid under pressure raises the trailer bed, gravity pushes the fluid back to the sump.

//greg//






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 06-30-2014, 14:05 Post: 190579
edwardleh



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 3 point hitch hydraulic system

My tractor has a front end loader on it. The pipe on the left side of the housing goes forward and I belive it feeds the front end loader valve. Can this feed both front end loader and the 3 point hitch at the same time?






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 07-05-2014, 18:24 Post: 190640
OCCDave



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 3 point hitch hydraulic system

Have a Jinma 284 my FEL is fed straight from the pump so it cuts out the 3pt when it is operating. Also the 3pt cylinder which is located in the tank under the seat can go bad and will need new seals. Also the 3pt lift valve on the side that raises and lowers the 3pt also can go bad. Had to replace both of mine this year.






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 07-06-2014, 10:58 Post: 190643
greg_g



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Quote:
Originally Posted by edwardleh | view 190579
My tractor has a front end loader on it. The pipe on the left side of the housing goes forward and I belive it feeds the front end loader valve. Can this feed both front end loader and the 3 point hitch at the same time?

No way to tell from your description. Have to look at the way the hydraulics are plumbed. Can you post photos?

//greg//






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 07-15-2014, 20:20 Post: 190709
yocsr1



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 3 point hitch hydraulic system

My foton 404 had the exact same problem and two quick connects were swapped (was that way when I bought it). Larry.






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Discussion Boards > Active Subjects > Messages as Posted > Chinese Tractors -- Jinma Farmpro Agracat Forum

Thread 190533 Filter by Poster:
edwardleh 3 | greg_g 2 | jdurb1 1 | OCCDave 1 | yocsr1 1 |




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