404 hydraulics whinning

Posted by ih404 on May 17, 2005 at 20:48:20 from (24.217.131.141):

I just bought the tractor with a loader, about a month and a half ago. I used the tractor a couple of times before checking the hyrdo fluid level. Bought the service and operator manual, so I could possibly work on it if need be. I don"t know if it is a coincidence, but ever since I opened the filler plug to the hydraulics the pump is whinning like crazy. I have since changed the hydro filter, but now it squeals even worse than before and my hydraulics are barely working. I assume there is air in the lines because of the jerking action of the steering loader and 3pt, but I am afraid of tearing up the hydro pump since it is squealing/whinning soo loud, even though the manuals state, to run the systems 10-12 times to bleed air. This squeal/whin only happens when the hydraulics are being used with or without a load on them. Any suggestions would be greatly appreciated.

Follow Ups:

• Re: 404 hydraulics whinning Jrry 10:13:47 05/18/05 (1)
  • Re: 404 hydraulics whinning r-cubed 21:25:24 05/18/05 (0)

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