crazy thing happened to my D-19 today

Hi I was bushhogging today with my D-19 gas in deep goldenrod, and it boiled. I found the radiator packed with goldenrod seed and blew it out after it cooled and topped off the rad, and now when it starts it runs away to a crazy hi gonna blow up rpm even with the throttle shut down. The gov seems free and linkage, I'm stumped, anyone ever had this problem? Thanks
Eric
 
I will check in the morning. Im trying to figure out if it's something to do with overheating or unrelated
Thanks
 
Hey guys thanks! It was the rod that goes from the carb to the gov! Theres a tiny tie rod end where the carb rod hooks to the governor crossover rod and thet popped off but just hung there, and it was behind the p.s. pump and generator where I couldn?t see it. had to reach in with screwdrivers and slide a hose clamp over it, no way I could get my hands or fingers in there to replace it. Thanks so much for your help!
 
Sort of had that happen on a C I have. Cotter piun came out and then the rod fell off and carb went to wide open
 
yeah it was damned scary that big ol straight six sounded like it was going to explode. Mine was right in the "tie rod end" at the gov end of that carb linkage, the socket fell right off the ball. Guess it had nothing to do with getting hot
 
Well it may of sort had something to do with getting hot. If you blew out the radiator or sprayed it out with water doing so could have knocked the rod off when you did that
 
true or washed out the grease or something.Actually Im glad it happened sitting still checking it out rather than bush hogging in a tight little field, could?ve killed me or the tractor or both
 
That is why there is the ON/OFF switch so if things get crazy you simply turn it off
 
Sounds like you had something wired wrong because shutting off the key on any machine should shut it down. I have had more then one car or truck have the throttle stick wide open and had to shut them off and that worked fine like it has on tractor also
 
If it's good'n hot it could diesel along pretty strong if the throttle is open when the switch is killed. When I was a kid I saw it happen with a Massey Harris self propelled corn picker. It was overheated and he couldn't get it shut down for love or money. Brakes weren't worth a hoot so they were of no help. The choke just made it smoke. It finally did give up and quit.
 
The key did shut it down, just that it hit a scary high rpm instantly and was pretty startling how fast it happened and how freaky it was, and of course I tried shutting the throttle down first. I?m just glad I wasn?t moving, you know as well as I how quickly bad things can happen. I?m surprised it went full throttle instead of shutting down the throttle, I didnt know it could rev that high haha
 
If you ever look at how the throttle butterfly sits you can see why it would go to full out fast. The vacuum from the engine pulls the butterfly open all the way and with not gov hooked up well yep it spins up fast. I know a guy who has a Bobcat 371 and he had that happen when he was driving it and instead of shutting it down he tried other things and well before he got it shut down it broke the rod. He got lucky it did not come out the block so I was able to rebuild the engine for him
 

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