9030 series hydraulic surge problem - The Combine Forum
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Old 05-24-2009, 01:11 PM   #1 (permalink)
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Default Re: 9030 series hydraulic surge problem

Check my reply in the Rainbow thread.

Wish I had a happy ending for you. I was told some do it some don't.

I know new pilot valve and new hydraulic oil and filters didn't solve it. kicking off SCV and kicking it back in is a temporary halt to the issue.

I was told by another farmer that had a 9400 that did it new Pioneer couplers on the drill solved it for him. I havne't tried that yet.
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Old 05-24-2009, 02:31 PM   #2 (permalink)
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Default Re: 9030 series hydraulic surge problem

YES i have been told this also
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Old 05-25-2009, 12:17 AM   #3 (permalink)
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Default 9030 series hydraulic surge problem

When I use SCV 3 the auger would surge occasionally, it was like all oil flow would cease for about 1/2 a second, then run faster than normal for about 1 second, then settle to normal.
I found this out from my Flex-Coil tech, another guy had the same issue on a Deere tractor/FC combo.
But he blamed FC which in this case had nothing to do with the problem.
His would surge every 30 seconds, mine might do it twice in 15 minutes. Anyway moving the hose from 3 to 2 fixed it.
I complained last year when the tractor was new but they couldn't find any reason for it.
Has anyone else come across this surging hydraulic problem?
TIA.

Don
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Old 05-25-2009, 12:21 AM   #4 (permalink)
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Default Re: 9030 series hydraulic surge problem

it did it on our 9420 witht the 3450 cart on SCV 3.. Did not notice it with the 1910 cart, however it runs on the fan circuit on scv 4
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Old 05-26-2009, 07:20 AM   #5 (permalink)
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Default Re: 9030 series hydraulic surge problem

Has any one had problems with the hoses falling out? On my 9420 (sorry don for the highjack) the drill fold up hoses will be uncoupled by the time I finish a quarter. My mechanic says its because of dirt buildup but it did it this year on the first feild just after a bath. I think some how the pressure that holds the balls tight to the hose ends bleeds off and then they vibrate off.
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Old 05-26-2009, 11:22 PM   #6 (permalink)
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Default Re: 9030 series hydraulic surge problem

There is a problem with the software for the scu on 9030's which cause issues with the surge / sudden stop and start. See your dealer they should be able to help.

In regards the hoses popping out make sure any case drain lines are run through to the hydraulic reservoir and not into the bleed of drain line on the bottom of the scv bank. If the 10mm hose on the bottom is used it causes back pressure behind the cartridge and pops out the hoses.
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Old 05-27-2009, 06:54 AM   #7 (permalink)
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Default Re: 9030 series hydraulic surge problem

Flow Drops Intermittently When Using #3 SCV


Erratic flow when using number 3 SCV on extend side.


SCU software is allowing current to drop intermittently.


Download SCU software from SDS and reprogram SCU controller on tractor.

Software number should be RE305035A (or later) for Standard Hydraulic Option and Ag High Flow Tractors; RE306684A (or later) for Scraper High Flow Tractors.

Tractors affected:

9030 Wheel Tractors (000001 - 011316)

9030 Track Tractors (900001 - 910190)




Tom Turner put this on the rainbow connection thread, it should be here too.
Interesting that it is only on the extend function of number 3.
Thanks again Tom.

Don

If anybody wants the solution number pm me or Don, dont want to get in trouble with Mother Deere, like i did last year.
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