A couple quick questions.

Farmall C, Super C Tractors, 200 & 230 1948-1958
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FarmerCPA
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Tractors Owned: 1947 Farmall Cub
1950 Farmall C
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A couple quick questions.

Postby FarmerCPA » Fri May 07, 2021 2:50 pm

I'm going to be rebuilding the carb on my 1950 Farmall C and was wondering what metal they were made from. They aren't cast are they? Partially just because I'm curious and partially because the carb cleaner I will use recommended applying a light oil to cast iron carbs to prevent flash rusting.

The other question is do the C's have any kind of coolant filter/screen somewhere in the coolant passages? I doubt it otherwise I wouldn't think the thermo siphon system would work very well. I'll be cleaning the touch control filter screen and other than the oil filter and fuel bowl that's about it for filters on this machine I think...

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Re: A couple quick questions.

Postby SamsFarm » Sat May 08, 2021 9:19 am

The carb on my C is cast iron! If a magnet grabs it, then it is cast iron!

If the magnet dont grab it, then it is probably pot metal or aluminum!


No coolant filter that I am aware of!
1968 Cub fast hitch

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Re: A couple quick questions.

Postby JoeB » Sat May 08, 2021 12:29 pm

Tractor could have came with a Marvel Schebler ( cast ) , Carter UT ( some were cast top and bottom, some have an aluminum top) , or a Zenith Carb, which also came in either Cast or Aluminum. Don't leave aluminum or pot metal parts in dip type carb cleaner overnight, it will destroy them.

There are no screens or filters in the coolant system.

FarmerCPA
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Posts: 105
Joined: Sat Jun 01, 2019 3:31 pm
Zip Code: 00000
Tractors Owned: 1947 Farmall Cub
1950 Farmall C
Location: Northwestern Wisconsin

Re: A couple quick questions.

Postby FarmerCPA » Sat May 08, 2021 3:45 pm

Update. I disassembled most of the carburetor and dipped it for 25 minutes. That was plenty to clean the components... and take off the paint. I reassembled it with new gaskets and jets as needed. Someone had soldered the cross pin that holds the float on for whatever reason so I couldn't easily remove the needle. After cleaning and rinsing the needle valve held air when the float closed so it appeared to be working correctly. We also installed a new fan hub. I added about a gallon coolant to top off the radiator but didn't get the chance to try starting it today. The battery was junk and I forgot to bring the replacement. Tomorrow I'll change the engine and transmission oils and hope that's all it needs aside from greasing. Fingers crossed.

FarmerCPA
Cub Star
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Posts: 105
Joined: Sat Jun 01, 2019 3:31 pm
Zip Code: 00000
Tractors Owned: 1947 Farmall Cub
1950 Farmall C
Location: Northwestern Wisconsin

Re: A couple quick questions.

Postby FarmerCPA » Sat May 08, 2021 3:52 pm

I forgot to add that the oil cup was an unholy mess. I've seen some dirty ones but this one has to be the worst I've ever seen. I soaked it in diesel fuel along with the mesh on the bottom of the air cleaner for 45 minutes to loosen up the crud in there. I added fresh oil when it was clean which must be the first time in 20 years.


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