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Harry Ferguson Tractors Discussion Forum
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TE20 question

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MGDavis

04-02-2007 04:50:06




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I"m just beginning work on a 1948 TE20 and I noticed that on the lower right side of the dash / control panel there is a circular disc above the choke handle. It appears that there was some sort of lever or handle attached to it and when moving the disc it seems to interact with the governor linkage. Can anyone tell me what this is and what it"s function is?
Thanks in advance for your assistance.

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MGDavis

04-03-2007 02:35:57




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 Re: TE20 question in reply to MGDavis, 04-02-2007 04:50:06  
Bob & John, thanks for both of your replies. I'm just beginning to pull things apart on this Tractor to see if I can get her back as close to original condition as possible. This is my first time restoring an old tractor. Looks like the sand blaster is going to get a work out. Just have to get her pulled apart and I'm trying to make sure I know how things are supposed to work so I don't do any damage in the process. I'm waiting on manuals from YT as we speak.

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Bob (Aust)

04-02-2007 15:32:09




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 Re: TE20 question in reply to MGDavis, 04-02-2007 04:50:06  
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Does not move when the throttle is moved??? Then you have no mechanical linkage from the hand throttle to the governor?

As John says, the link arm may have disconnected. John mentioned ball joints on the TE20 but my TEA20 has pins.

You should be able to get your fingers up under the dash panel and feel the link connecting to the top of that disc on the end of the governor activating rod. If that is not where it has disconnected, it will be at the throttle lever end, in which case the dash panel needs to come off.

If you need to remove the dash panel and seeing the rust on your tractor, soak the seven coach bolts thru the casting, very well with something like CRC etc and don't put too much pressure on the spanner. They are a Fergy special; they have a spline that engages in the casting and if seized will turn in the casting and are then a cut off job and difficult to find replacements.

Think I saw an exploded view on a thread further down? Different model Fergy but same principal.

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Bob (Aust)

04-02-2007 06:31:38




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 Re: TE20 question in reply to MGDavis, 04-02-2007 04:50:06  
Does it turn when you move the hand throttle?



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MGDavis

04-02-2007 08:04:55




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 Re: TE20 question in reply to Bob (Aust), 04-02-2007 06:31:38  
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Bob, Thanks for taking the time to reply. I checked and it does not move when the throttle is moved. If you turn the disc it causes the rod that connects to the Governor assembly to move. This rod travels along the top outside edge of the exhaust manifold. I have attached a photo of the dash showing the disc I"m speaking of.

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John (UK)

04-02-2007 11:57:47




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 Re: TE20 question in reply to MGDavis, 04-02-2007 08:04:55  
That is part of the throttle linkage, if it isn't working it is due to the throttle rod coming off the lever under the dash panel, the ball end will be worn and allowing it to fall off. You need new ball ends on the throttle link from the lever on the dash to the round plate in the picture.



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MGDavis

04-03-2007 06:01:36




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 Re: TE20 question in reply to John (UK), 04-02-2007 11:57:47  
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Bob and you were on the money. I had a part that fell off the tractor when I initially power washing it after bringing it home. Couldn't figure out what it went to. It was the linkage between the throttle and the governor. Rusted to pieces. I think I can fabricate something that will work if I can't find the piece. I've attached at picture.

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John (UK)

04-03-2007 06:21:34




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 Re: TE20 question in reply to MGDavis, 04-03-2007 06:01:36  
Yes thats it, they rust away, there have been various types used over the years, that was the early type and didn't like rust at all. If you need any more info, just email....possibly you will need the info to reset the engine governor, not because of this rod being off but just due to it being set incorrectly at sometime or maybe just wear having taken place.



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Bob (Aust)

04-03-2007 15:08:08




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 Re: TE20 question in reply to John (UK), 04-03-2007 06:21:34  
Yeessss. That will do it!! LOL

No wonder later TEA20's had a changed linkage!

If you want to change to the TEA20 type linkage, let me know and I'll send you dimensions and photos.



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