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  1. #1
    New Member
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    Oct 2012
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    9
    Location
    Rainbow Reach NSW
    Tractor
    Landini Atlas 75

    Default Power steering fluid squirting out of the oil Reservoir breather hole

    I have a Landini Atlas 75 tractor and the power steering fluid is squirting out of the oil reservoir breather hole the fluid is not aerated and it will ooze out immediately from a cold start, when the tractor is turned off the fluid drains back until the reservoir is nearly empty the tractor does not have power assisted steering I think it must be hydrostatic. Any help on this problem will be appreciated.

  2. #2
    Super Member RickB's Avatar
    Join Date
    Sep 2000
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    7,524
    Location
    Eastern NY
    Tractor
    Case 885, Ford 4000

    Default Re: Power steering fluid squirting out of the oil Reservoir breather hole

    Replace the filter. Classic plugged return filter symptoms.
    We have too much gun control.
    What we need is more idiot control.

  3. #3
    New Member
    Join Date
    Oct 2012
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    9
    Location
    Rainbow Reach NSW
    Tractor
    Landini Atlas 75

    Default Re: Power steering fluid squirting out of the oil Reservoir breather hole

    Hi RickB, thanks for your reply I removed the filter and started the tractor for 30 seconds the oil is still pouring out the breather hole

  4. #4
    Elite Member
    Join Date
    Dec 2007
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    3,209
    Location
    Ontario, Canada
    Tractor
    Ford 3930

    Default Re: Power steering fluid squirting out of the oil Reservoir breather hole

    If you have a PS cooler, check that it is not obstructed (internally). Saw this problem at my buddy's shop just yesterday on a Ford Expedition (truck).

    Bypassed the cooler on this truck for now, as it is a non-issue this time of year here (Canada). OE replacement part on order.

    Other than as a temporary test, can't say I'd recommend running your PS with a cooler bypass - your temperatures are quite a bit different than mine !

    Good luck, D.

  5. #5
    New Member
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    Oct 2012
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    9
    Location
    Rainbow Reach NSW
    Tractor
    Landini Atlas 75

    Default Re: Power steering fluid squirting out of the oil Reservoir breather hole

    Thanks Dave for your reply, the tractor doesn't have a power steering cooler. In a couple of days I will undo all return lines (it is teeming with rain here at the moment) to see if they are blocked, other than that I don't know what to do.

  6. #6
    Super Member RickB's Avatar
    Join Date
    Sep 2000
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    7,524
    Location
    Eastern NY
    Tractor
    Case 885, Ford 4000

    Default Re: Power steering fluid squirting out of the oil Reservoir breather hole

    Next thought is water contamination, but if the oil is not aerated or foaming, that is probably out.
    We have too much gun control.
    What we need is more idiot control.

  7. #7
    Veteran Member Iron Horse's Avatar
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    Feb 2008
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    1,804
    Location
    Orstraya , Ex convict stock , G'day .

    Default Re: Power steering fluid squirting out of the oil Reservoir breather hole

    Are you sure you haven't lost the cork/rubber gasket from the lid ? It also acts as a baffle to stop agitated oil from getting flung at the breather hole .

  8. #8
    New Member
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    Oct 2012
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    9
    Location
    Rainbow Reach NSW
    Tractor
    Landini Atlas 75

    Default Re: Power steering fluid squirting out of the oil Reservoir breather hole

    The last time I started the tractor the oil was aerated I think that is because it pushes so much oil out the breather hole and when I stop the tractor the oil drains from the reservoir back into the line causing air to be trapped in the system. I will check for water, the lowest point is the hydraulic pump I will undo the lines and drain the oil.
    I think I am a bit brain dead in my comment to Dave I said (In a couple of days I will undo all return lines it is teeming with rain here at the moment to see if they are blocked) The return line is where the oil is coming back to the reservoir and pushing out the vent hole so they cant be blocked... sorry all.

  9. #9
    New Member
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    Oct 2012
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    9
    Location
    Rainbow Reach NSW
    Tractor
    Landini Atlas 75

    Default Re: Power steering fluid squirting out of the oil Reservoir breather hole

    Thanks for your reply, I haven't checked if the gasket is still in the lid, I didn't know that it acts as a baffle to stop agitated oil from getting flung at the breather hole. I will check it out tomorrow.

  10. #10
    Platinum Member
    Join Date
    Feb 2011
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    828
    Tractor
    Furakawa 351

    Default Re: Power steering fluid squirting out of the oil Reservoir breather hole

    The power steering pump is a centrifical pump and will draw air into the system threw the shaft seal. I would replace the return hose first, if that does not do it then, it is the pump, you can buy a rebuild kit for most pumps, if the shaft is worn a rebuilt is cheaper.
    Just a thought!

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