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Mitsubishi D2350 rear lift hydraulics

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LaCroix
Join Date: Jul 2017
Posts: 7 north mississippi
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2017-07-30          196912


Hi guys and gals from Memphis/North MS

i have a Mitsubishi D2350 with a front end loader...recently the rear lift stopped working...we took the top off the gearbox and didn't see anything out of the ordinary...the front bucket still work perfectly...it has a new filter and hydraulic fluid

we weren't getting what we thought is proper fluid flow from the line that ran though the front loader to the gearbox/piston...we disconnected the FEL and connected the line directly from the pump to the gearbox as it was from the factory

now we're getting fluid flow out of the left side line from the pump but no fluid out of the line on the other side of the tractor that feed the gearbox/piston

i spent $70.00 for a parts book hoping it would shed some light on where a restriction might be but for the most part the book is no help
fluid flows from the pump, on the motor into the top side of the gearbox...

we assume fluid goes across to the gearbox/piston...we have no flow from that line...we've been able to blow through all of the lines that we can and there are no restriction

the last pictures is from the parts book

any help, suggestions, thought, etc will be appreciated

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Mitsubishi D2350 rear lift hydraulics

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LaCroix
Join Date: Jul 2017
Posts: 7 north mississippi
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2017-07-30          196913


i can't figure out how to post pictures...sorry, if you copy and past the URLs in your browser you can see them ....

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Mitsubishi D2350 rear lift hydraulics

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LaCroix
Join Date: Jul 2017
Posts: 7 north mississippi
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2017-07-30          196914


can't seem to post pics of links ....


Link:   

Click Here


 
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Mitsubishi D2350 rear lift hydraulics

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DennisCTB
Join Date: Nov 1998
Posts: 2646 NorthWest NJ
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2017-07-30          196916


You need to put the address inside the markup without the https:// ....

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Mitsubishi D2350 rear lift hydraulics

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trac499
Join Date: Aug 2008
Posts: 12 Clover,Sc
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2017-07-30          196920


you wanted to know a certain part on top of transmission, it is a pressure control valve, it has several spacers and a stiff spring, take it a part and clean it but don't loose any parts, its call a popit valve also, by removing or adding spacers will increase or decrease pressure if the pump is working correctly . lee2519 at carolina.rr.com I sell pumps ....

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Mitsubishi D2350 rear lift hydraulics

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LaCroix
Join Date: Jul 2017
Posts: 7 north mississippi
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2017-07-31          196921


Quote:
Originally Posted by trac499 | view 196920
it is a pressure control valve, it has several spacers and a stiff spring, take it a part and clean it but don't loose any parts, its call a popit valve also,


thanks for letting me know what is is called...we did remove it and it was clean as a pin

does fluid run from the pump side thru the pressure control valve...could it be the pressure control valve that is stopping flow to the other side of the tractor

there are 3 holes under the popit valve, one seems to go to the gear case...the other 2 have channels running horizontally from what we can tell looking at it ... ....

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Mitsubishi D2350 rear lift hydraulics

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trac499
Join Date: Aug 2008
Posts: 12 Clover,Sc
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2017-07-31          196922


if the valve is good and not been tampered with I would say its the hydraulic pump, or follow the big suction line into the belly of the tractor,,you will find a screen tube filter after removing the line if it has not been removed. clean it off,if its gunk up flush the hydraulic reservoir out and replace with new oil, if that don't fix it I would say its the pump, you can take it off and disassemble it and inspect the gears and bushings for wear. there should be no wobble of gears or bushings and the spacer/bushings should have no scratches on it. lee 8032225828 ....

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____________________________________________________________________________________
Mitsubishi D2350 rear lift hydraulics

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LaCroix
Join Date: Jul 2017
Posts: 7 north mississippi
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2017-07-31          196923


1st thing done was remove & clean filter, then changed fluid...i forgot to say that the tractor has a front end loader...it works perfectly, as it should...we did remove it from the equation and connected the pump back to the gearbox as it came from the factory

if it was hydraulic pump then shouldn't the front bucket work either ? ....

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Mitsubishi D2350 rear lift hydraulics

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trac499
Join Date: Aug 2008
Posts: 12 Clover,Sc
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2017-07-31          196926


did you buy it this way or did it start acting up on you,
....

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Mitsubishi D2350 rear lift hydraulics

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LaCroix
Join Date: Jul 2017
Posts: 7 north mississippi
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2017-07-31          196927


Quote:
Originally Posted by trac499 | view 196926
did you buy it this way or did it start acting up on you,


it's worked perfectly for the 10 -12 years that i've owned it...i used the bushog one afternoon, lost daylight, parked it, got on it to finish the next day and the lift wouldn't come up...it can be easily lifted up but drops like a rock when you let go

i did have to replace the pump a few years ago and with the front bucket working like it should, i question that it's the hydraulic pump...when the 1st pump died, nothing worked...no bucket, no rear lift ....

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Mitsubishi D2350 rear lift hydraulics

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trac499
Join Date: Aug 2008
Posts: 12 Clover,Sc
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2017-07-31          196931


sounds like your going to have to pull the top and check out the orings on the liftcylinder ....

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Mitsubishi D2350 rear lift hydraulics

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nathanup
Join Date: Sep 2017
Posts: 2 DEVON
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2017-09-16          197092


Hi,
I hope you have managed to sort out you rear lift problem? I have a 2050, and am looking to fit extra hydraulic functions to it, I wonder if you would mind taking a picture of your hydraulic pump outlet, and how you FEL is joined to it.

Thanks
Nathan
....

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