Posted by Owen Aaland on December 06, 2009 at 12:55:14 from (65.165.246.148):
In Reply to: 2404 hydraulic pressure posted by theponyroper on December 05, 2009 at 22:53:43:
mic h 560 said: (quoted from post at 02:53:43 12/06/09) I have a 2404 and the hydraulics only have pressure when the 3 point I at the very top squeeling the pump as soon as u move the lever down enough so that pump stops squeeling the pressure drops to 0 psi. The result is the power steering doesn"t work. I was curious where is the pressure relief at and would that be what it sounds like? Thanks for any input.
The squeal you are hearing is the relief valve opening. The linkage must be adjusted wrong or you would not be able to put the system on high pressure with the hitch.
If you do not have steering unless the the system is forced to open the relief valve, your problem is with the priority flow divider valve for the steering. The valve should be the first place the oil goes to when it leaves the hydraulic pump. The valve should separate off about three gallons of flow for the power steering. The rest of the flow should go to the hitch and remote control valves if so equipped.
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