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  1. #1
    Member
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    Jun 2005
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    Northern Wisconsin
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    Kubota B 2910

    Default Perkins AD3-152 Question

    My 1983 Model 240 utility has the AD3-152 engine. The clock shows 3300 hrs. It starts and runs fine but just recently has started to pump oil out the dipstick tube when started cold. After it warms up a little it quits doing this. I've had this tractor for about 2 yrs. and it's never done this before. Common sense would tell me that the crank case is building up excessive pressure, but the vent tube on the front of the rocker arm cover appears open as smoke flows freely while it's running. Is this the beginning of a major problem? This is the first diesel I have ever owned. Any help would be appreciated.

  2. #2
    Super Member Farmwithjunk's Avatar
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    Aug 2005
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    7,514
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    Mt Washington, Kentucky
    Tractor
    Where do I begin.....

    Default Re: Perkins AD3-152 Question

    Quote Originally Posted by MichaelE
    My 1983 Model 240 utility has the AD3-152 engine. The clock shows 3300 hrs. It starts and runs fine but just recently has started to pump oil out the dipstick tube when started cold. After it warms up a little it quits doing this. I've had this tractor for about 2 yrs. and it's never done this before. Common sense would tell me that the crank case is building up excessive pressure, but the vent tube on the front of the rocker arm cover appears open as smoke flows freely while it's running. Is this the beginning of a major problem? This is the first diesel I have ever owned. Any help would be appreciated.

    There's a litany of possible causes. To help narrow it down somewhat, I'd suggest contacting "DA MAN" on Masseys. Big Dean Austin. He can give you specifics for that engine.

    A few years back, I had a 245 Massey that I fixed up and resold. It had a stuck pressure relief on the oil pump. In addition to pinning the oil pressure gauge, it often pumped oil out the dipstick. However, this one did it worse once warmed up and running.

    Big Dean's Massey Ferguson tips
    There are three kinds of men;
    1.) The ones that learn by reading
    2.) The few who learn by observation
    3.) The rest of them have to pee on the electric fence for themselves.

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