Brad in WI
Member
What can I use to clean out all the gunk, old gear lube, and god knows what else? I have used diesel fuel or Kerosene in the past, but is there a better or cheaper way to remove all or at least most of the sludge? Thanks
- Thread starter Brad in WI
- Start date
Anonymous-0
Well-known Member
Go to Dollar General and buy a case of "Oven Off" in a yellow can. Its made to remove grease from dirty ovens!!
What I used to do some times was save the hy-tran that I was changing in a newer tractor and use that. A Magnum hold about 40 gals so you can get a lot of flushings with that. We had a filter on the holding barrel though no "large contamination". On an older tractor that is all gunked up I would fill her up and go for a ride down the road in high gear.
TomH in PA
Well-known Member
I agree with opening it up; it's not difficult, especially if you have someone who can help lift the cover on and off.
Brian Schmidt
Member
Pressure washing is my preferred method too. It works great. Only way to get it completely clean.
You can dilute the oil and run it. You will not get the walls and top clean. And you will not get all the gunk out of the bottom either.
You can dilute the oil and run it. You will not get the walls and top clean. And you will not get all the gunk out of the bottom either.
Brian Schmidt
Member
I wouldn't use the oven cleaner on the inside of the transmission. You will remove the glyptal paint that coats the inside of the housing to prevent oil leaks through the castings due to any porosity.
If you are near a place that works on jet aircraft you're probably in luck. The fuel, JET-A, has to be drained before the engine can be worked on. Sometimes it is less costly to replace the fuel than to clean it. There is also a problem disposing of the fuel so they give it away. Great cleaner.
Jason the Red
Member
If I remember correctly, the owners manual says to drain the fluid, refill with kerosene, drive around the yard a couple of times, then drain the kerosene and refill with fluid.
CenTex Farmall
Well-known Member
I've done the flush with diesel method too, but prefer to remove top cover for cleaning and inspection.
I have a SM in the shop right now with cover off. Take a pump sprayer with diesel and put a 5 gallon bucket under the drain on each end and go to it.
The main advantage with cover off is that you can remove little bits of metal trash from the side galleys and in the bottom of the transmission. Also the oil passage for the reverse idler is usually plugged. I always take the reverse idler out and clean the oil passageways in the shaft.
I have a SM in the shop right now with cover off. Take a pump sprayer with diesel and put a 5 gallon bucket under the drain on each end and go to it.
The main advantage with cover off is that you can remove little bits of metal trash from the side galleys and in the bottom of the transmission. Also the oil passage for the reverse idler is usually plugged. I always take the reverse idler out and clean the oil passageways in the shaft.
NO, the operators manual says to change the fluid once a year or 1000 hours, whichever is first. However, it says to dilute with 2 gal keorsene if the temperature is below 32 degrees F. You let it get warm, then drain to the level plug. Then you drain the diluted stuff and replace with 90W when the temp is above 32. I doubt if many people did the kerosene thing in variable weather.
Just cleaned out a '46 H tranny. Drained the lions share of the old oil, then used about 3 gallons of diesel w/ about 1/2 gallon of gasoline mixed in. Engine doesn't run so I pulled it w/ a buddy for about 4 miles or so, then drained it. Had my buddy hold in the clutch and pulled it in gear for a bit to clean the sliding gears up too. Drained it, put another 3 gallons of just diesel in and pulled it another mile.
I followed up by removing the cover and the inside was AWESOMELY clean. I flushed a small amount of stuff out, but it wouldn't have filled a spray paint can lid. Made it MUCH nicer to work on. Even the underside of the cover and the shifter rails were clean. Sure, I spent about $25 for diesel/gas, but it was well worth it. Saved the drainings in a five gallon bucket w/ a lid and the heavy stuff settles out. Drain off the remainder and it makes a decent parts cleaner for the really nasty greasy stuff til its too greasy to use anymore. Then it's destined for brushpile burning.
I followed up by removing the cover and the inside was AWESOMELY clean. I flushed a small amount of stuff out, but it wouldn't have filled a spray paint can lid. Made it MUCH nicer to work on. Even the underside of the cover and the shifter rails were clean. Sure, I spent about $25 for diesel/gas, but it was well worth it. Saved the drainings in a five gallon bucket w/ a lid and the heavy stuff settles out. Drain off the remainder and it makes a decent parts cleaner for the really nasty greasy stuff til its too greasy to use anymore. Then it's destined for brushpile burning.
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