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Case Tractors Discussion Forum

930CK Hydraulics ?

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Brangus2

09-25-2006 19:23:42

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I have a late model 930CK w/ 8Speed Trans. & Draft-O-Matic. I changed out the old style Case Quick Disconnects on the remotes but it is not working. I have never had it working but the fellow I bought it from says he used it. Fluid is OK and when activating one of the remote shifters, the hose jumps momentarily like there is a hydraulic lock. It tries and then you can hear it bypassing. Does the Draft-O Matic need to be in any particular position or is there some other control I'm overlooking??
Thanks for any help!

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BarryfromIA

09-26-2006 18:22:30

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Re: 930CK Hydraulics ? in reply to Brangus2, 09-25-2006 19:23:42

Sometimes you can mix up different fittings and this may cause the poppet on the end to not make contact. Check to see that they are the same brand and type.

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GEOM0

09-26-2006 04:59:21

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Re: 930CK Hydraulics ? in reply to Brangus2, 09-25-2006 19:23:42

I HAD THE SAME PROBLEM. THE UPPER CONNECTORS ARE A PAIR AND THE LOWER CONNECTORS ARE THE SECOND PAIR. NOT THE RIGHT HOSES OR THE LEFT ONES. HOPES THIS TAKES CARE OF YOUR PROBLEM.
IF THE CONNECTORS ARE A PROBLEM, YOU SHOULD SEE THE HOSES MOVE UNDER PRESSURE.

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Brangus2

09-26-2006 05:43:56

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Re: 930CK Hydraulics ? in reply to GEOM0, 09-26-2006 04:59:21

I am using one hose to operate a bat wing mower. I"m using pressure to fold it and then let gravity lower it. All the hoses show signs of pressure applied it"s like it locks up as soon as pressure is applied to the mower. The wings move a couple of inches. When I reverse the lever the pressure is relieved and the wings travel back down the two or three inches. Thanks. I appreciate the advice.

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John Saeli

09-26-2006 06:20:51

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Re: 930CK Hydraulics ? in reply to Brangus2, 09-26-2006 05:43:56

I'll overlook the fact that you took off the best coupler ever made, real CASE couplers. Don't throw them away. The CASE Hyd's work best with 2-way cylinders. Is your cylinder a vented, 1 way cylinder? It should work if it is.

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Brangus2

09-26-2006 10:10:02

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Re: 930CK Hydraulics ? in reply to John Saeli, 09-26-2006 06:20:51

Thanks John for the reply. The Case couplers, I guess, were the old style and would not fit the " standard " fittings we have in this area. The cylinder is a two way but I just attached it to one pressure line. I plugged it into my neighbors Kubota remote and it worked fine. I'll try and retrieve the couplings. I know two of them were broke or had the retainer balls missing.

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John Saeli

09-26-2006 12:09:07

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Re: 930CK Hydraulics ? in reply to Brangus2, 09-26-2006 10:10:02

If the hose is jumping, then it seems as though pressure is getting to the ram, & it should do what you want. It makes no difference where the Quadrant lever is.

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Brangus2

09-27-2006 07:41:28

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Re: 930CK Hydraulics ? in reply to John Saeli, 09-26-2006 12:09:07

Thanks guys !! I stuck a gage in the remote and got only 1000PSI. I guess I'll start there. The aftermarket book says 1600-1750PSI. A dealer says 2500PSI. Comments ??

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dwag

09-27-2006 16:55:56

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Re: 930CK Hydraulics ? in reply to Brangus2, 09-27-2006 07:41:28

2000/2150#

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dwag

09-27-2006 17:04:32

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Re: 930CK Hydraulics ? in reply to dwag, 09-27-2006 16:55:56

Barryfromia & Geomo have good points. Also, pressurue oil needs to be dumped back to sump when lowering a 1 way cyl. The older case hyd"s worked better with 1/2" hyd hose. I have no problem with ISO couplers.

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