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Tool Talk Discussion Forum

2 stage hydraulic pump

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Author 
Bundy

11-23-2003 18:47:53




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I have a log splitter with with an 11 gpm Barnes 2 stage on it. It got plenty of power but it has no speed at all.I have had other 2 stage splitters that were same gpm and horse power witch were much faster.Is it possible for these pumps to stick in the slow power mode or is there any adjustment i can try. Any help would appeciated . Thanks




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Ben in KY

11-24-2003 12:59:23




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 Re: 2 stage hydraulic pump in reply to Bundy, 11-23-2003 18:47:53  
Never had one of those apart, but from what I understand of the it is a hydraulic pressure thing that shifts to low pressure/fast to low/high pressure mode, surely this could stick in the high pressure mode. I would of course check for any plugged filters/screens before dismantling the pump. I understand that these pumps are critical of the suction line flow to the pump, too little flow and things don't work right.
Sorry about the long post but you might want to make sure the wedge/ram assembly is not binding and causing the pump to stay in high pressure mode.

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