[AT] Spam> Hydraulic Oil Ffoaming

[Cecil R Bearden]

Also here :

http://www.napaonline.com/Catalog/CatalogItemDetail.aspx/Gear-Oil-GL-1-90-Gear-Oil-80w90-5-GAL/_/R-FME65205_0434862993

Cecil in OKla


On 9/15/2015 1:38 PM, Dennis Johnson wrote:
> Cecil,
>
> Thanks, I bet that is the issue. It was low and I topped off with gear oil, since that is all I could find at Tractor Supply, or similar place.
> Where do you get the mineral oil??
>
> Thanks,
> Dennis
>
>
> Sent from my iPad
>
>> On Sep 15, 2015, at 1:23 PM, Cecil R Bearden <crbearden at copper.net> wrote:
>>
>> I would also bet its water in the oil instead of really foaming.  The
>> gearshift boot and the top link shaft into the tip deck are the 2 places
>> to get water in.  Try to keep the tractor out of the =weather if at all
>> possible.
>> Also, if it is a  35 Deluxe, it requires PMO 90Wt  This is a Pure
>> Mineral OIl 90 Wt.  303 fluid and MF1129A is20 wt.  90Wt gear oil is
>> equal to about 50 wt motor oil.  It must be Pure mineral oil or it will
>> foam. Gear oil like GL5 will foam. The screen should be located between
>> 2 "cups" one on top and one on bottom and held with a bolt with a tab on
>> the head to remove it.  I worked in the local MF dealership while in
>> H.S. and college from 68-75, back there in the old days....
>>
>> Cecil in OKla
>>
>>
>>
>>
>>> On 9/15/2015 11:00 AM, charlie hill wrote:
>>> Dennis,  Bo's advice is sound but one thing you can
>>> look for.  If it sits completely unused until you get back to it,
>>> before you start it up take the drain plug out.  The fluid will
>>> have had time to completely settle out and if there is water
>>> in the system it will come pouring out first, followed by the oil.
>>> If you drain it like that and let some of the oil out, then put the
>>> plug back in, top it off and try it and see if the problems is gone
>>> or improved.
>>>
>>> I don't have a lot of MF experience but I've had water get into the
>>> hydraulics on my Allis tractors and was able to get it out using this
>>> method.
>>> I agree with Bo, changing it out is good advice.  Either way drain it before
>>> you ever start it up and the water and crud should come out first.
>>>
>>> Charlie
>>>
>>> -----Original Message-----
>>> From: Dennis Johnson
>>> Sent: Tuesday, September 15, 2015 10:11 AM
>>> To: Antique tractor email discussion group
>>> Subject: [AT] Spam> Hydraulic Oil Ffoaming
>>>
>>> I have a MF35 Deluxe on Oklahoma. 3 point used to work fine a year ago, but
>>> get weak and slow after 2 hours of use. Now it works for 10 to 15 minutes
>>> and then the oil foams and lift stops working until after it sets and the
>>> foam goes away.
>>> I have checked the screen and it seems to be OK by feeling around it, but
>>> have not taken it out. Feels like it is wired in place. Oil level is fine.
>>> I wonder if there is condensation in the oil causing the foaming.
>>> I also wonder if the relief valve is dumping oil and that is causing
>>> foaming.
>>> I have not had enough time in Oklahoma to spend a lot of time trying various
>>> things. Next time there I plan to completely drain the system and reseal
>>> covers that are leaking.
>>>
>>> Any thoughts on why this is foaming?
>>>
>>> Thanks
>>> Dennis
>>>
>>> Sent from my iPad
>>>
>>> Sent from my iPad
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