Flushing 300 Radiator

Farmall H, HV & Super H, 300 & 350, 1939-1958
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ShawnAgne
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Zip Code: 45380
Tractors Owned: 1952 Cub w/ 184 motor (Kid)
12V with Petronix
IH 3160 Mower Deck
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IH528 Trailer
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1955 Farmall 300 (Clarence)
12V with Petronix
Woods L306 72"
1955 Farmall 100 (Thomas)
Woods L59 60"
A60 Leveling Blade
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Location: Versailles, Ohio

Flushing 300 Radiator

Postby ShawnAgne » Fri Mar 20, 2020 5:49 pm

Is it possible to flush the 300 radiator without removing it? Have never changed the coolant in 3 years that I have had it and had to add some as it ran low and started running a little hot during winter. Thought might be good to flush it. If so just open top cap and where it drains and run a hose?
Shawn Agne

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Don McCombs
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Tractors Owned: "1950 Something" Farmall Cub
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1977 International Cub w/FH
1978 International Cub
1948 Farmall Super A
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Location: MD, Deep Creek Lake

Re: Flushing 300 Radiator

Postby Don McCombs » Fri Mar 20, 2020 6:00 pm

I would use the same technique described in the Cub Operator's Manual using a radiator flush preparation or washing soda. Plain water won't do much for built-up deposits.
Don McCombs
MD, Deep Creek Lake

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tst
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Re: Flushing 300 Radiator

Postby tst » Fri Mar 20, 2020 7:21 pm

that engine may have plugs in it also, pull the blocks so you can get the crap out of the block


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