Posted by Steve@Advance on March 14, 2021 at 08:22:51 from (66.169.147.211):
In Reply to: Massey Ferguson 202 posted by youngfrmr on March 13, 2021 at 19:50:34:
That tractor closely resembles the MF35 farm tractor, but with a heavier front end for loader work.
As far as I know the transmission and gear cases are the same and probably came with GL1 90w mineral oil. GL1 does not contain EP additives, which is what the brass pump components require.
Being a single grade oil, (that is all that was available then) it gets really stiff in cold weather, which will slow down the hydraulics until it gets up to temperature. The common substitute is 15w-40 diesel engine oil. Cheap and available anywhere!
Those transmissions are incredibly tough! Not picky about lubrication, as you probably found water inside, so many run unknowingly with more water than oil!
How are the shifter boots? And there may be a top link boot under the seat. If any are bad, they will funnel water in if stored outside.
When filling the transmission, pouring the oil in the fill hole on top of the transmission must be done very slowly, in increments so the oil has time to distribute back to the intermediate and final drive cases. Pour it in too fast and it will flood the clutch from less than perfect input shaft seals. An alternative is to fill it through the right round cover below the seat.
If yours has a loader, chances are there is an engine driven hydraulic pump with a separate reservoir built into the loader frame. That is a stand alone system that will use RO type medium hydraulic fluid.
You really need to invest in a shop manual, they are not expensive, and will more than pay for itself in mistakes not made and peace of mind decisions. You can get most on this site, or find used ones on Ebay. Get a real hard copy manual that you can carry to the shop, make notes, get it dirty! Those grease stains will have lasting memories down the road!
About the air filter, did you know there is a wire mesh inside the canister that needs servicing? It is rarely mentioned, and is a real bear to get out, but if it's been neglected for 60 years, you can bet it is a solid cake of dirt!
Hope this helps, keep in touch, we're here to help!
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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