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Minneapolis Moline Tractors Discussion Forum
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Governor on 1953 UTS

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Red Tech

09-21-2006 18:28:57




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Here goes again:

I'm new to Minnie Mo, having just bought a 1953 UTS at auction last Sunday. It seems pretty good, except for one thing.

At an idle, it will run fine. However, as soon as I bring it above an idle, the engine will rev itself higher and higher and higher. I can pull the throttle back, but it won't do anything. The only way to bring the engine back down is to manually pull down the linkage between the governor and the carb. Must be the governor that's giving me trouble.

Now, I've never been into a governor before, so I don't know what to look for. Any tips?

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PGpower

09-22-2006 13:11:13




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 Re: Governor on 1953 UTS in reply to Red Tech, 09-21-2006 18:28:57  
I have gotten pretty good at disassembling my U governor the last couple of months, as I have been trying to get my to react faster than it was.

First thing to check is that the linkage between the governor and carb is not 'catching' or hanging up. On Molines, it needs to be adjust correctly and free, don't let it get in a bind.

Next thing is just to take the governor apart and make sure all the parts are free and clean. The governor is 'pretty' simple, just some weights and a spring. I would just take it apart and clean everything and make sure the bearing is not bad and giving you problems. (you can get a new bearing at your local auto parts store).

My guess is that either your linkage is hanging up or the gov is just dirty or the bearing is bad.

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Red Tech

09-22-2006 21:11:08




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 Re: Governor on 1953 UTS in reply to PGpower, 09-22-2006 13:11:13  
Thanks for the pointers. I took the governor off, and checked everything you mentioned. The bearing is good, and the linkage seems clear. However, the spring is either missing or broken. The linkage inside the gov moves freely, but there is barely any spring action pulling the linkage for the carb back downward.

My question now is how do I get to the spring? It seems that I have to pull the linkage shafts out to get at the little piston the spring sits in. How are the shafts held in?

Also, where would I be able to get another spring?

Thanks.

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PGpower

09-23-2006 09:51:59




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 Re: Governor on 1953 UTS in reply to Red Tech, 09-22-2006 21:11:08  
To get the spring off, you have to take the linkage assembles out. There is a roll pin that you have to take out of the linkage assmeble. It is hard to discribe, but the shaft that runs thourgh the spring makes a 90 degree hook at the rear. This hook is 'hooked' into a little bracket...this little bracket is attacted to the linkage rod with a roll pin. Remove that roll pin, pull the linkage rod out and the spring assemble can be pulled out. Oh yea, first you have to remove the bearing and shaft...be careful not to loose the ball in there.

My governor wouldn't react at all under a load, so once I got the spring removed, I shimmed the spring by installing washers between the spring and the 'what I will call the sping tube'. This gave the spring less room, increasing the spring tension. One washer was not enough, three was too many, and two was just right...that is why I had it apart so many times.

The sping has a taper to it, I assume it is engineered into it to react to the engine load, so I don't know if you can find a new spring. You can find used governors relatively easily and have some spare parts.

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Red Tech

09-23-2006 20:45:16




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 Re: Governor on 1953 UTS in reply to PGpower, 09-23-2006 09:51:59  
I took my governor apart (I did it from the front, without removing the main shaft and bearing) and looked everything over. The spring is there and everything seems to be in good working order. It does look slightly dirty in there. Maybe the linkage is binding up slightly inside the governor when the engine is running, so that the weights aren't able to pull the linkage back down. I'll try cleaning everything up and seeing if that works. Thanks for all the info!

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Grabatire

09-23-2006 23:54:18




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 Re: Governor on 1953 UTS in reply to Red Tech, 09-23-2006 20:45:16  
Redtech. I've just gon through a similar experience with my newly aquired GTB. I did all the things that you have just done and found the governor to be just fine. I took the governor off my friends tractor and it too didn't work on mine, but it works fine on his. What we found was the gear on the camshaft that drives the governor is shot. No teeth left, so it isn't driving the governor.

What I suggest you do is; take the governor out and look inside the engine to determine if your camshaft is OK. If it isn't, welcome to the club. A cam for a UTS shouldn't be to hard to find. I found one for my GTB fairly quickly. Incidently, the UTS and the GTB use the same governor but not the same camshaft.

I'll keep my fingers crossed for you.

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Red Tech

09-24-2006 10:36:53




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 Re: Governor on 1953 UTS in reply to Grabatire, 09-23-2006 23:54:18  
Thanks for keeping your fingers crossed! It must've worked, because it's not the camshaft that's giving me trouble. The gears looked good, and I put the governor back in and cranked the starter to see if everything was moving. It seems to be working as it should. I wonder if maybe it was just sticking somewhere and wouldn't release the throttle. I'm going to try cleaning everything up, and maybe adjusting the outside linkages, then we'll see what happens.

Also, I have another couple of questions: 1. What are the two screws on top of the governor for? 2. Is the throttle stop screw on the side of the governor supposed to be straight or bent inside? (somebody was messing around and put in a non-original screw, and put a bend in it on the inside of the governor)

Thanks again!

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Grabatire

09-24-2006 21:34:32




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 Re: Governor on 1953 UTS in reply to Red Tech, 09-24-2006 10:36:53  
Glad to hear things are work'n out.

You guessed right. The two screws are simply access point to drive out a couple of pins.

And yes, the speed adjustment screw on the side should be straight. What may have happened to bend it is, someone may have been removing the starter and dropped it a bit.



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PGpower

09-24-2006 18:48:03




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 Re: Governor on 1953 UTS in reply to Red Tech, 09-24-2006 10:36:53  
hope everything works out. it usually is simple and just takes some time to get everything figured out.

the only thing i can see that the two screws on top do, is allow acces to the gov to assemble, disassemble. might be another use, but i don't know what it is.

The rpm screw on the side on my gov is straight, and think it should be straight, that way you can get the full range of adjustment.

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Les. Scribner

09-25-2006 20:48:30




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 Re: Governor on 1953 UTS in reply to PGpower, 09-24-2006 18:48:03  
Iam pretty sure your govener problems are with

the throtle shaft bushing in the carbuater!

You may find it badley worren, if so she wont

goveren right. All so there is an Oring behind

bushing that will need replacing.



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