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Case 85XT with brush cutter
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<blockquote data-quote="richard" data-source="post: 1893" data-attributes="member: 285"><p>I put an inline flow control on the supply side of my brushcutter and after some adjusting it seemed to take out the surging when I move forward and backward. This still doesn't seem like the right solution though....here's why: The Case 85XT has a foot control that activates the aux. hydraulics. When you push the lever down with your foot, it locks in place for continuous flow. Now, at this point the valve is open fully (21 gpm) and if the fluid has nowhere to go, I guess the relief valves open up to let the fluid bypass. When this is happening, the engine is loaded up and you can hear the engine bog down. I would imagine if I let it run like this for long the fluid would overheat wouldn't it? Anyhow, when I open up the flow control to let a small amount of that flow to the cutter (say 10 gpm), what happens to the other 11 gpm left over? Is it backing up and causing the relief valves to open up, hence causing more heat? If what I'm saying is true, what would be the best way to control the amount of flow to the cutter? Thanks so much for your input.</p></blockquote><p></p>
[QUOTE="richard, post: 1893, member: 285"] I put an inline flow control on the supply side of my brushcutter and after some adjusting it seemed to take out the surging when I move forward and backward. This still doesn't seem like the right solution though....here's why: The Case 85XT has a foot control that activates the aux. hydraulics. When you push the lever down with your foot, it locks in place for continuous flow. Now, at this point the valve is open fully (21 gpm) and if the fluid has nowhere to go, I guess the relief valves open up to let the fluid bypass. When this is happening, the engine is loaded up and you can hear the engine bog down. I would imagine if I let it run like this for long the fluid would overheat wouldn't it? Anyhow, when I open up the flow control to let a small amount of that flow to the cutter (say 10 gpm), what happens to the other 11 gpm left over? Is it backing up and causing the relief valves to open up, hence causing more heat? If what I'm saying is true, what would be the best way to control the amount of flow to the cutter? Thanks so much for your input. [/QUOTE]
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Case 85XT with brush cutter
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