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Tractor Talk Discussion Forum

Case 990 hydraulics Help!

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Hulsey

06-16-2005 16:21:22




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I need help with the hydraulic 3 pt lift on my Case 990. It will go up with no weight on it, but won"t with an implement. If I pump the clutch it will go up about an inch. I changed the fluid, the filter, and cleaned the nylon screen to the right of the seat. Can anyone advise what it might be? Thanks!




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geok

06-16-2005 20:24:29




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 Re: Case 990 hydraulics Help! in reply to Hulsey, 06-16-2005 16:21:22  
What weight hydraulic oil did you put in? Sounds like your hydraulic pump may have blown an O ring where the pump bolts to the housing.



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Hulsey

06-18-2005 15:28:41




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 Re: Case 990 hydraulics Help! in reply to geok, 06-16-2005 20:24:29  
regular tran oil. What the tractor guy recommended. I might need to bleed the system, but cannot find the bolt to do so....can you help



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