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Posted by AJ on Thursday, April 23, 2009:In Reply to: 580k hydraulics posted by Dave Holtom on Wednesday, April 22, 2009:
It does sound like the pump has gone weak but that could also be caused by the oil escaping past the main relief valve,remove the valve and check it out,there is an o'ring and backing ring on the nose of the valve make sure they are there and higher than the groove they fit in.
AJ
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