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Allis Chalmers Discussion Forum
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8550

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Author 
davids

01-27-2007 05:31:44




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Now the disc lifts VERY SLOWLY if at all. Checked the pressure at the remotes and got 600 psi as per the book. Changed the filters and o-rings checked all connections. No lift. I open ended a line off of the remote into a bucket and got only a spitting foaming mess out of it. Is it the piston pump or the georotor/charge pump? Is there a aftermarket pump avaiable if it is the piston pump? $1800 is really too much $ forme right now. Any help is appreicated. Thanks, davids

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JMS/MN

01-27-2007 07:51:52




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 Re: 8550 in reply to davids, 01-27-2007 05:31:44  
Is there a collapsed line or plugged screen on the suction side- pump is not getting enough oil? Do a flow and pressure test on the pump before getting a new one. Might have internal system leaks after the pump that reduce flow to the remotes. Lift is accomplished by psi and flow.



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