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Case Tractors Discussion Forum
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Case 630 Hydraulics Question

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Richard Lee

07-16-2006 20:12:48




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I have a 630, 188 gas tripl range , utility tractor , can anyone tell me what pressure the pump is supposed to be , where is the best place to check the pressure, at the interlock? There are two ports on the interlock im assuming one is in and one is out. Im having trouble running my loader, it will hardly lift the bucket on my loader and when I lower the bucket it chatters on the way down. What would be the easiest way to increase loader speed, where could I put a aux. pump. Thanks.

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John Saeli

07-17-2006 09:31:01




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 Re: Case 630 Hydraulics Question in reply to Richard Lee, 07-16-2006 20:12:48  
I found that with a loader on a 630, we need to overfill the Hyd. resoivoir. I also thicken the Hyd. oil with 85 W 140 gear oil. 1/3 gear oil to 2/3 Hyd. will improve the pumps performance. That chattering sounds like she is low on oil.



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Roger (Mi)

07-17-2006 03:24:09




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 Re: Case 630 Hydraulics in reply to Richard Lee, 07-16-2006 20:12:48  
The hydraulic system pressure should be 1400 PSI. If there are two valve bodies on top of the torque tube, the top is reserved for a two way remote cylinder. Putting a pressure gauge on either port on that interlock and moving the valve control handle will tell you the system's PSI. The onboard hydraulic system is NOT high volume. If you want a faster responding loader, you'll need to consider a seperate hydraulic system with a higher volume pump that is driven from the front of the crankshaft.

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