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New Holland Skidsteer Forum
L555 can roll *almost* freely when off
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<blockquote data-quote="River Fluid Power" data-source="post: 120174" data-attributes="member: 21921"><p>If your machine slows down when hot, you may be looking at internal wear. This can lead to loss of preload in the pumps and/or motors, which can cause it to become weaker when hot. It can also cause the "runaway" problem you are having. In some cases, it can even happen when going down grade with the machine running. The even spacing you are describing is most assuredly being caused by something that is unseating under pressure, and reseating after the pressure drops. It would happen faster than you can say what is happening. The unseating could be from lift-off in the pumps or motors, or from the relief valves allowing oil to bypass.</p></blockquote><p></p>
[QUOTE="River Fluid Power, post: 120174, member: 21921"] If your machine slows down when hot, you may be looking at internal wear. This can lead to loss of preload in the pumps and/or motors, which can cause it to become weaker when hot. It can also cause the “runaway” problem you are having. In some cases, it can even happen when going down grade with the machine running. The even spacing you are describing is most assuredly being caused by something that is unseating under pressure, and reseating after the pressure drops. It would happen faster than you can say what is happening. The unseating could be from lift-off in the pumps or motors, or from the relief valves allowing oil to bypass. [/QUOTE]
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New Holland Skidsteer Forum
L555 can roll *almost* freely when off
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