Question about John Deere Seat 310a 310b 401 401b 401c 401d At20490

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310a loader backhoe air in system

Cleaned suction screen and changed both filters now have no hydraulics. Hydraulics was starting strong and after operating about five minutes pressure drops to nothing. Tractor will not move.

Posted by Anonymous on

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6ya6ya
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Posted on Jan 02, 2017

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miket756
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SOURCE: John Deere 210 C backhoe loader - quesion on hydraulic fluid

yep there is!

Posted on Jul 13, 2010

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SOURCE: I have a 1982 John Deere 310A backhoe. The

try changing out the hydro filters

Posted on Feb 17, 2011

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1 Answer

How to adjust the hydrualic pressure on a scat trak 2300d


Before you attempt to adjust the pressure have you flow rated the hydraulic system? If not before you do check or change the suction filter and then do a flow and pressure test to check the integrity of the pump. Most systems don't need an adjustment if pump is working correctly. An indicator may be if it works better cold and gets worse when warmed up this would be a worn pump. Or if it's cold and doesn't seem to do well any time (suction screen first) the pump may be worn too long and no choice but to replace. I am not familiar with a scat track but am familiar with hydraulics, my next questions would be is this is an open center or closed center (ccls) system before I can help further.

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I have a jcb 527-55 got water in the hydraulics cleaned it out and renewed the oil and filter, but new i dont have any hydraulic pressure the steering is locked and non of the ram move. BUT if i accelerate...


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