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Case Tractors Discussion Forum

830 case hydraulic pump problems

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Author  [Modern View]

12-24-2013 19:53:37

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have a I believe 1965 830 diesel tractor having hydraulic problems eagle claw has no lifting power , will lift empty but with 100 lbs no power. need to locate pump to remove and repair etc. anyone know where located & how big of job it is? any help or advise would be greatly appreciated. Thanks

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Lazy WP

12-25-2013 09:19:54

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 Re: 830 case hydraulic pump problems in reply to peliocan007, 12-24-2013 19:53:37  
On my 800, which I think is the same, I had a broken spring on my relief valve. I changed it, then added extra shims, and it is as good as my late model 830 now.

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John Saeli

12-25-2013 08:14:50

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 Re: 830 case hydraulic pump problems in reply to peliocan007, 12-24-2013 19:53:37  
dzc3 is correct about trying the easy things 1st. But, if your 830 is an Eagle Hitch, the filter is located on the bottom right side of the Hyd. housing. Held in w/ 3-3/8" bolts. Obviously, the 1st thing to check is oil level, you do that with a small 1/8" pipe plug, which I believe is on the right hand side, to the back. If I had to bet, I would bet the problem is with the relief valve, not the pump. The relief valve assembly is under the large cap plug on the valve body. It may have unseated & not re-seated. Check those things & get back.

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12-25-2013 05:58:43

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 Re: 830 case hydraulic pump problems in reply to peliocan007, 12-24-2013 19:53:37  
If you have an Eagle Hitch you have a 64 or older 830. HUGE difference between a 64 and 65. Did the problem develop slowly, or all at once? Pump is part of, and on the front side of the hydraulic valve. Good pumps are getting hard to come by, and parts are very high $.

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12-25-2013 05:05:50

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 Re: 830 case hydraulic pump problems in reply to peliocan007, 12-24-2013 19:53:37  
You might want to try easy things 1st change the filter it should be a spin on located under your left foot when sitting on the tractor, is your hydraulic oil milky? I would strongly suggest that you buy ALL the manuals for this tractor. They are available on this site.

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