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Farmall & IHC Tractors Discussion Forum
Show Parts for Model:

400 at state fair update

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SW EM

08-13-2014 16:26:23
166.181.80.87



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Well guys, despite the interesting conversation my last post created, I got my 400 running today.

What I has to do was get rid of my 6v coil and resistor and swap it for a 12 volt coil with an internal resistor. The tractor popped right off. I never had to swap the battery or charge it. What I believed happened was my resistor got wet because of the way I placed it next to my coil. So this was a learning experience for me.

I appreciated all the positive posts about my dilemma. It is great to see all the restored FFA tractors and machinery. Of course every one of them has help along the way. Some may have more than others, but it's like that with everything, no matter how old you are.

I'm headed to Iowa State next week to study Ag Engineering, so I will be posting more answers than questions for sure.

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Janicholson

08-14-2014 07:00:20
199.17.55.165



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 Re: 400 at state fair update in reply to SW EM, 08-13-2014 16:26:23  
Not a flame!!! The new coil will not have an internal resistor. It will be designed for 12 volt to 15 volt continuous operation. The Windings are of finer wire and more of them. This provides similar total magnetic field density, while keeping the amp draw through the points at 3 to 4 amps. The reason for the confusion is that some coils indicate "for use with external resistor", others say "no external resistor required" These imply the concept that there are internal resistors within some. Not the case. Jim

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IH fan

08-14-2014 06:08:30
174.70.169.139



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 Re: 400 at state fair update in reply to SW EM, 08-13-2014 16:26:23  
Where I worked we had both AgEs and MechEs. I worked in the engineering lab and the AgEs were the most down to earth guys to work with because they always seemed to have more common sense... good luck with your future degree.

ISU is the next best thing to K-State... I have a lot of relatives with degrees from there.



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leon

08-14-2014 17:46:28
173.24.134.58



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 Re: 400 at state fair update in reply to IH fan, 08-14-2014 06:08:30  
As your handle is IH fan I take it you may have worked for IH. Product engineering I presume. Ever work with a guy named Vaughn Nelson?



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kevinj54

08-14-2014 04:17:12
162.17.149.81



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 Re: 400 at state fair update in reply to BT in NE, 08-13-2014 16:26:23  
Quoting Removed, click Modern View to see

My thought too, a quick minute with a meter would have found the problem right away.



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leon

08-14-2014 04:02:55
173.24.134.58



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 Re: 400 at state fair update in reply to SW EM, 08-13-2014 16:26:23  
Do they really still call that major "Agricultural Engineering" at Ames? I thought they had slipped the word "biological" or something of the sort in there. It was just a short 60 years ago this fall that I headed off to Lincoln to study Agricultural Engineering. I chose Ag. E. because that curriculum was accredited at NU and M.E. was not. Like Brian, you could look me up in the Waterloo area too, but I retired from "Uncle John's Shop" many year ago.

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robert major

08-13-2014 21:11:05
216.81.12.184



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 Re: 400 at state fair update in reply to SW EM, 08-13-2014 16:26:23  
Hi Glad you got it figured out, you didn't need the hard time from here. Pleased your heading into my field of work, But I will give you a good tip for the future. work as hard as you can and before you hit 40, Get a job as shop manager. I have been fixing, and doing some farming work before I left school. Now I have hit 40 the physical damage to bashed fingers,back and knee damage is catching up. If I had stayed in the dealer shops, I would be supervising the younger guys doing the heavy work, and just doing mostly mental stuff. Kinda thinking I might not be moving around to well even before I retire in 20- 30 years. Be careful enjoy your time, you will meet some interesting people during your career if you stay with it. I could write an interesting, and funny book about my time and all the good, odd and indifferent guys i have met. Regards Robert

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teddy52food

08-13-2014 19:26:04
184.94.175.179



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 Re: 400 at state fair update in reply to SW EM, 08-13-2014 16:26:23  
I don"t understand how a wet resistor could keep it from firing. The current should go through it, heat it up & it would be dry quickly. I think you had something else wet that dried out while you messed with it. Maybe John T can explain?



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willie in mn

08-13-2014 22:28:13
64.12.116.77



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 Re: 400 at state fair update in reply to teddy52food, 08-13-2014 19:26:04  
Two possibilities come to mind.
1- if the connections have been out in the weather for some time, there might be weak contact from corrosion, & the last rain session caused just enough more corrosion that the circuit failed.
2- more likely cause. I remember back in the day of full service gas stations. It seemed to be a problem on Chrysler Corp cars. They mounted the resister high on the firewall, centered. If it was raining when the pump jockey opened the hood for oil check, etc, water running down the hood would hit the hot resister coil. PSSFFFT! Time for a new resister block.
my 2 cents
Willie

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SW EM

08-13-2014 20:50:46
166.181.80.87



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 Re: 400 at state fair update in reply to teddy52food, 08-13-2014 19:26:04  
I tried to start it today before I made the coil change and it wouldon't start. After I changed it, it popped right off. I know, it shocked me too.



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Ron Schooler

08-13-2014 19:19:26
66.209.131.58



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 Re: 400 at state fair update in reply to SW EM, 08-13-2014 16:26:23  
Good luck at Iowa State.



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Brian Schmidt

08-13-2014 18:53:40
69.66.237.150



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 Re: 400 at state fair update in reply to SW EM, 08-13-2014 16:26:23  
Glad to hear it was an easy fix. I had been wondering how you made out. I wanted to get there to check out the tractors. However, too many other commitments to get there.

I have seen pictures on here of a guy mounting the resistor up near the alternator. Makes for a more stock appearance not having that darn ballast resistor hanging out by the coil. No need for it to be there. I have always thought they looked bad there.

Sorry you got such a hard time here. Forget about it. Just weed out the junk posts. Don't give them the time of day. Be the bigger person.

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SW EM

08-13-2014 19:17:17
166.181.80.87



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 Re: 400 at state fair update in reply to Brian Schmidt, 08-13-2014 18:53:40  
Thanks Brian! I'm going to try and get a pic of all the FFA tractors, but I doubt I can get them all in the frame! Maybe next year you can come see them, my brother will still be showing.



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Brian Schmidt

08-13-2014 19:21:11
69.66.237.150



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 Re: 400 at state fair update in reply to SW EM, 08-13-2014 19:17:17  
Yea, I was talking to a guy at church about all the tractors. He was there last week. Said it was amazing to see the quality restorations and some of the super rare tractors. He had guessed 75-100 tractors. Any idea how many?

Good luck at IA State BTW. Ag engineering. Good for you. Look me up at Deere in a couple years when you are interning in Waterloo.



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Brendon-KS

08-13-2014 17:17:07
63.245.147.52



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 Re: 400 at state fair update in reply to SW EM, 08-13-2014 16:26:23  
Glad you got it running.

Good choice on entering the Ag Engineering field. I got this degree nearly 20 years ago and have worked in the industry ever since for the same company. Although many of my colleagues have Mechanical Engineering degrees I am attracted to the AgE-degreed candidates when doing interviews because it is often a sign that they have spent time getting their hands dirty around a farm. A successful farm equipment engineer (actually, any good engineer) has the ability to put themselves in the shoes of the person who will one day be using the machine that today exists only as a CAD model on the computer screen. There is no better way to gain this ability than having experience with using, servicing, and repairing similar equipment yourself. I wish you the best as you work towards your goals.

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Roger46

08-14-2014 15:19:18
70.197.199.94



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 Re: 400 at state fair update in reply to Brendon-KS, 08-13-2014 17:17:07  
I am a mechanical engineer who grew up on a farm in So Dak. I worked for 34 years at 3M before retiring. Any engineer that grew up on a farm has a real advantage over city kids. I worked for several bosses who looked for new engineers with a farm background. City kids only knew the calculations and how to solve problems in the book, while most of the guys from the farm could apply what they learned in the books. Roger

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FBH44

08-13-2014 16:45:18
64.85.215.76



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 Re: 400 at state fair update in reply to SW EM, 08-13-2014 16:26:23  
Man, thank YOU! I have my resistor sitting out in the weather, never had a problem, but I"m gonna do like you. Thanks.



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