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  1. #1
    Platinum Member Mark Page's Avatar
    Join Date
    Sep 2009
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    559
    Location
    Maryland
    Tractor
    Massey Ferguson 2615 48hp, 4wd, loader

    Default Milky Oil

    I change the oil in my 231s Massey after the last mowing in the fall, after the second mowing in the spring and some time around August. Last Spring
    when I drained the oil it came out very emusified. Fearing the worst, I took it up to the dealer to have it checked out. They checked the 3 cylinder Perkins out from one end to the other, including pressure tests on the radiator and checking the coolant for oil, I didn't want them to pull the head.
    I brought it home and mowed for 1 hour then changed the oil, it was perfect.
    I ran it for 10 hours and changed it again, still no problem.
    The machine is stored indoors and I only use premium oil. With only 550 hrs. on it I'm not expecting any major problems.
    I can't understand how water could get into the oil system.

  2. #2
    Platinum Member
    Join Date
    Aug 2006
    Posts
    737
    Location
    Buckhannon, WV
    Tractor
    1947 Ford 2N and 2003 Kubota B7500

    Default Re: Milky Oil

    The most likely way is condensation inside the motor. Depending on how you use it, if it was not getting fully warmed up most of the time, the water won't evaporate off.

  3. #3
    Platinum Member Mark Page's Avatar
    Join Date
    Sep 2009
    Posts
    559
    Location
    Maryland
    Tractor
    Massey Ferguson 2615 48hp, 4wd, loader

    Default Re: Milky Oil

    How did the damp air get into the engine?

  4. #4
    Elite Member
    Join Date
    Sep 2009
    Posts
    4,191
    Location
    Murray, KY
    Tractor
    265 MF / JD 310B Backhoe

    Default Re: Milky Oil

    The engine is mainly air filled except a few gallons of engine oil. What is your humidity level and max temp changes from day to night?

    This is the very reason we cram our fuel tanks full of fuel when we are not going to using it often in the fall, winter, spring months in our area. Sweating is not the same problem in AZ.

    With you see concrete and other things like your "filled" tractor tires then at the same time moisture is changing into liquid form inside your engine giving you the water.

    This is why an engine and exhaust system can last longer if one runs the engine for at least 30 minutes after each start up. Talk to the little old ladies that live in town vs 20 mile out into the country and see who has the most vehicle problems due to moisture build up.

    This moisture could leave the engine after a few hours of hard work if it is able to breath correctly.

  5. #5
    Advertiser sweettractors's Avatar
    Join Date
    Jul 2003
    Posts
    7,150
    Location
    Central Kentucky
    Tractor
    JD 6403 CHA-JD 3130 CHA

    Default Re: Milky Oil

    Quote Originally Posted by wvpolekat View Post
    The most likely way is condensation inside the motor. Depending on how you use it, if it was not getting fully warmed up most of the time, the water won't evaporate off.
    I agree, Over the years, we have seen a lot of that. Transmission oil same way. No big deal. if you drain it and change all filters. Ken Sweet
    http://www.sweetfarms.com/

    Sweet Farm Equipment LLC (Internet Sales, Shipping All States)
    Shipping Facility
    1815 Defries Rd., Canmer, Ky 42722 Toll Free 1-866-528-3323
    Ken Sweet sweet@scrtc.com

    Shipping Example: Can ship 800 lbs from Ky. to Dallas for $165
    The Northeast shipping corridor is a little more expensive.

  6. #6
    Veteran Member
    Join Date
    May 2009
    Posts
    1,616

    Default Re: Milky Oil

    Quote Originally Posted by Mark Page View Post
    How did the damp air get into the engine?
    As the weather changes so does the atmospheric pressure, hi-lows. The engine will breath and the damp air enters through the crankcase breather tube. No real way to stop it.

  7. #7
    Elite Member
    Join Date
    Sep 2009
    Posts
    4,191
    Location
    Murray, KY
    Tractor
    265 MF / JD 310B Backhoe

    Default Re: Milky Oil

    It happens every day but if used regularly it gets driven off before the milk stage shows up.

    Dump truck hoists are the worse because it is hard to work them hard enough to create the needed heat.

    This is also the cause of rusty dip sticks one sees from time to time.

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