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F20 First startup of the year/overheating?

R

Royse

Well-known Member
Last night I got the F20 out of the barn for the first time since November.
Couldn't get it to hand crank, or I didn't have enough butt, had to push it down one of those hills you see in the background to get it to fire. LOL
Took about 6 feet.
Oil pressure was good right off the bat, so I let the nephew drive it around for a bit, and about 30 minutes later it was spitting a little antifreeze from the radiator cap.
Seemed hot to the feel too. Oil pressure was still good.
I haven't looked at it at all yet, just put it back in the barn and shut it off to cool down, but it has never ran hot before.
Any suggestions on what to check first?


7944.jpg
 
Having coolant coming out of the cap or overflow is
pretty normal on a thermo siphon system. If you had
just a bit over full radiator combine with 30mins
of run time youll get that result. When you run it
again make sure the coolant level is at the proper
level and check to see if the lower water pipe is
warm but not so hot its uncomfortable to touch, the
top line should be warmer.

Andrew
 
My Regular always does that, I have considered it normal in my case. It never actually overheats or boils over, just pushes some liqiud and steam out of that huge cap/cover.
 
Royse, After it started did you advance the timing? If you run it around with the timing retard she will run hot. oldiron29
 
What is your definition of "hot"? When working these, you shouldn't be able to lay your hand on top of the rad tank. You should be able to leave your hand on the bottom outlet. It will be warm on the bottom one, borderline uncomfortably warm, but bearable. That is normal.

Unless your coolant is boiling away, nothing is wrong. Take it a step further. take the tank cover off, and use a kitchen thermometer and see what the temp is. anything around or under 180-190 is fine.

HOt top and warm bottom on the tank says eveything is OK.
 
Thanks guys. I'll get it out and run it again this weekend so I can check that lower pipe and the belt.
It's a great old tractor, runs very well. I sure don't want to over heat it and damage anything.
 
I got tied up this weekend and didn't get a chance to get her back out.
I have one of those point-and-read thermometers coming too, so that may take some of the guess work out of the equation.
I'll let you know what I find.
I do appreciate the advice!
 
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