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Farmall & IHC Tractors Discussion Forum
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56 400 fuel filter and oily coil wire

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56 Fan 400

04-05-2016 13:59:27




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I shall start with the easy one...the coil wire. I changed out all the wires except the coil wire a couple of months ago as the boot did not fit the cover of the coil. Well, yesterday I had not too many problems disking the property and the tractor ran ok. Got to working on it in the late afternoon and the engine wanted to die on me. Earlier today blading my road to make it work for me, it worked ok for the first 15-20 mins and then will only work at a slower idling speed...to 1200 rpm. Now after I changed the coil wire and adapted the boot to the rotor cap, it still works good for about 5 mins and then starts coffing and sputtering. The old coil wire had oil on the ends. At one point in time the engine was running with the coil wire OFF the Rotor CAP. yes OFF the cap. I thought the tractor was emotional..but that emotion runs deep.
Since it is coffing and sputtering and traveling only at approximately idle speed, I wondered if it had a fuel filter besides the fuel bowl. Does it? I looked and did not see one inline and there does not seem to be one on the carb intake manifold. Could I need a carb job? I can do the work but want to verify before I tear into it. One thing at a time....

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56 Fan 400

04-28-2016 07:26:11




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 Re: 56 400 fuel filter and oily coil wire in reply to 56 Fan 400, 04-05-2016 13:59:27  
Quoting Removed, click Modern View to see

The bowl screen was there. But I shall probably go into the carb anyway. The clues are there and I probably need to take a looksey anyway. All it could do is make the engine run better.



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BarnyardEngineering

04-28-2016 05:18:55




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 Re: 56 400 fuel filter and oily coil wire in reply to 56 Fan 400, 04-05-2016 13:59:27  
Yes, you need to go into the carb. If there were flakes in the sediment bowl, and no screen, and the screen in the carb is missing/wrong as you state, then smaller flakes have almost certainly gone into the carburetor and clogged up the works something awful.

The fuel system on these tractors can tolerate really fine particles, which is why the fuel filtration is so coarse. However once you start getting into pieces you'd call flakes, it's game over.

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56 Fan 400

04-27-2016 16:35:34




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 Re: 56 400 fuel filter and oily coil wire in reply to 56 Fan 400, 04-05-2016 13:59:27  
The screen into the carb is a 4 wraps of some fine mesh stuff brassy in color. I looked at it and it did not look bad. The problem I have with it is that there is no end to it. In better words, If it put the screen pointed down to the ground, it is like a hollow tube of screen mesh. No U on the bottom. H would be close as there is a hole in the bottom of the screen mesh. Trying to figure out if I need to go into the carb now. Another strange kinda situation with it as well, I cant go forward without the engine trying to cut out, I can go backward SLOWLY, but have to go even slower forward. No high rpm after things start to get sputtery too.
The tank looks to be pretty clean and the bowl looks clean too.

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56 Fan 400

04-22-2016 12:56:43




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 Re: 56 400 fuel filter and oily coil wire in reply to 56 Fan 400, 04-05-2016 13:59:27  
Thanks for the help guys. I appreciate it. I had to empty the bowl of all the nice stuff in it. Probably a 1/8 full on the bottom. I am going after the filter screen on the carb next. Did some wrong things earlier and could not get time to get back to her. Pulled the bulb off the fuel line and DID NOT put the screen on first before putting the bulb back on. I could not get it to seal so there would be no leaking fuel. Dummy me fixed that today. And got her running and started to go do some work and she had the same problem. That is why I am going to the carb screen next. There was a lot that could have gotten by the other bulb screen. Also, looks like my dad gave me a bulb for the tractor and a seal for it too. Now I have 2 spare cork seals purchased here and one rubber seal along with a replacement bulb in case of problems. Again, thanks.

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d beatty

04-06-2016 07:10:15




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 Re: 56 400 fuel filter and oily coil wire in reply to 56 Fan 400, 04-05-2016 13:59:27  
Take a look inside of fuel tank you might have something floating around in bottom of fuel tank .



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caterpillar guy

04-06-2016 06:06:29




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 Re: 56 400 fuel filter and oily coil wire in reply to 56 Fan 400, 04-05-2016 13:59:27  
Sounds like a bad coil to me. See if it is hot when it dies.



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56 Fan 400

04-05-2016 15:33:13




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 Re: 56 400 fuel filter and oily coil wire in reply to 56 Fan 400, 04-05-2016 13:59:27  
Do not see the one in the sediment bowl. It may have been removed or is on the top of it. There is a lot of nice flaky stuff in the bottom of the sediment bowl. Probably just need to clean that and the other screen out and am ready to go. I got the tractor about 40 ft before it said no more...waited about 10 seconds and then took off backwards as I was going that way up the driveway to its temporary parking place....about 100 yds. Since I did not see a filter in the bowl, I may go get one for it for the heck of it.

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Janicholson

04-05-2016 16:58:12




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 Re: 56 400 fuel filter and oily coil wire in reply to 56 Fan 400, 04-05-2016 15:33:13  
The screen in the bowl is a disk of brass screen that fits into a recess in the edge of the glass bowl. If it is not there, the small flakes and rust will (for sure) get into the screen at the fitting. I have seen them filled 1/2" into the fuel line! Do not put a fuel filter on it as these are really not needed. If you feel it is imperative with a really dirty tank, use a gravity rated filter. NAPA has them. Gravity has such low pressure that the typical clear filter is a restriction and often become the problem. Jim

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Janicholson

04-05-2016 15:02:29




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 Re: 56 400 fuel filter and oily coil wire in reply to 56 Fan 400, 04-05-2016 13:59:27  
Two screens. one is in the sediment bowl the other (as mentioned) is in the fitting at the carb. Oil on the spark plug wire is not going to make a difference. Un-plugged wires can still jump an inch to get to a ground. Jim



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rustyfarmall

04-05-2016 14:38:08




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 Re: 56 400 fuel filter and oily coil wire in reply to 56 Fan 400, 04-05-2016 13:59:27  
There should be a very fine mesh screen fuel filter in the carburetor. Right where the fuel line attaches.



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