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Still starting problems...

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Kristof

01-05-2008 07:05:01

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This is getting really annoying...
I've checked my mag and I've got sparks.
This morning I tried to start it up and I got it running for about a minute, so I thought, I've got to work the carburator a bit. But now I can't get it running again, even when I put the carburator back the way I had it when it ran that glorious minute... But, I've noticed that fuel keeps dripping from the bottom hole in the carb. Not that I have any leaks, but as you all know there's a littlo hole on the bottom of the carb. I've also been thinking that there might be a problem with the governor? However I believe it would be highly unlickely.. I've rebuilt everything, there isn't a piece on my tractor that hasn't been reviewed and cleaned.. Any ideas?

Thanks,

Kristof

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akb

01-05-2008 22:08:51

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Re: Still starting problems... in reply to Kristof, 01-05-2008 07:05:01

If the gas has been in the tank for awhile its probably going bad.add fresh gas.It makes a difference.

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mbnok

01-05-2008 14:44:28

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Re: Still starting problems... in reply to Kristof, 01-05-2008 07:05:01

In 48 when I ran into the first C, I tried to start it, and it did that (flooded and dripped gas, and a old mechanic said " no choke and pull the throttle down and then start" it did. Now at that time you would open the choke and hold the throttle open to start flooded cars. I was never able to explain to myself why it worked one way on a tractor an the other on a car. you have other things to check by other posts, never assume that your carb (needle and seat) leaking, it can be caused by piece in there that you may never find. but you just have to check again to get that thing to hold.

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CityBoy-McCoy

01-05-2008 18:00:22

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Re: Still starting problems... in reply to mbnok, 01-05-2008 14:44:28

Very strange. I have a Super H that floods every once in a great-great while. Usually when I forget and park it in the field facing downhill. When it does, I pull the throttle lever wide open and hit the starter. It coughs a time or two, and then gradually catches and takes off with a great roar, while emitting black smoke. Then, it clears up. Never fails to start. Two completely opposite remedies for the same problem! Crazy.
One thing we do the same, though. I never use the choke to start one of mine. Only time I use the choke is to keep it running after it starts.
mike durhan

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Brownie450

01-05-2008 13:48:02

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Re: Still starting problems... in reply to Kristof, 01-05-2008 07:05:01

Did you have the mag apart --have the 2 screws off & the gears out where the rotor fits on the flatted shaft under the dist. cap? Could be the rotor is off by a tooth which would have the terminals in the dist. cap not getting spark from the rotor. Our A had this happen---never did figure how it happened. Worth a look if all else fails.

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Brownie450

01-05-2008 12:29:40

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Re: Still starting problems... in reply to Kristof, 01-05-2008 07:05:01

I would check the points/condenser --maybe put in a new condenser to see if that helps. I just wondered if you had the distributor off, & got the timing off by one tooth?

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Kristof

01-05-2008 12:35:45

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Re: Still starting problems... in reply to Brownie450, 01-05-2008 12:29:40

yeah, I got the engine completely apart. But I'm 100% sure I got the timing right, so that won't be the problem I think. How can I check my condensor? I've got sparks and everything, I believe the problem is my carb.
For what I can tell, it keeps flooding, even when the main jet is barely opened...

Kind Regards

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Floyd A tn

01-05-2008 10:27:09

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Re: Still starting problems... in reply to georgeky, 01-05-2008 07:05:01

You say you have gas coming out of the carb at the bottom.. Usually when my M does that, the float is not closing all the way.. I have had to re adjust the choke and even do a slight modification to it to get it to work right..

If the float isn't closing properly, then it may be flooding.
All you need for the tractor to start, is compression in the engine, gas,and spark.. Of course they have to be a certain amount of each..

If it started and run for a minute, was it putting out black smoke from the exaust?

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Kristof

01-05-2008 11:00:42

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Re: Still starting problems... in reply to Floyd A tn, 01-05-2008 10:27:09

I think my float does work properly, because it only floods when I attempt to start it. But it floods even when the main jet and idle jet is only turned out 1 rotation. When it ran it didn't show any smoke. it really looked as if it was running proper. And what modification do you mean exactly?

Kind regards

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karl f

01-05-2008 21:52:42

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Re: Still starting problems... in reply to Kristof, 01-05-2008 11:00:42

maybe your float is out of adjustment or you are missing a part like a seat inside your carb. if the float is adjusted too high, that could cause fuel to run out the jet when the screw is opened-even very little. if you are missing a piece, anything is possible for a leak.

karl f

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oldiron29

01-05-2008 10:24:06

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Re: Still starting problems... in reply to Kristof, 01-05-2008 07:05:01

kristof, Has the tractor been converted to 12 volt? I have a super A that was converted to 12 volt.It is a very good running tractor Starts in very cold weather no problems. But is does flood easy and It spins real fast.I was told that the mag impules will not work if it spins to fast. So I crank it and let off the starter in short trys and she starts fine. don't spin it over and over with out letting off it will flood. Seems to work for me. oldiron29

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Kristof

01-05-2008 11:04:19

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Re: Still starting problems... in reply to oldiron29, 01-05-2008 10:24:06

Well, I haven't converted it yet, but I use a 12Volt battery to start her up. You might be right, but everyone keeps talking about opening the main jet about 3 rotations, but even when I crank is manually the fuel just drips out... And I don't really think I can start her manually, since I renewed the sleeves, pistons etc etc... I has a very high compression wich makes is damn hard to get her round..

Kind regards

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oldiron29

01-05-2008 13:34:22

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Re: Still starting problems... in reply to Kristof, 01-05-2008 11:04:19

Kristof, On my BN rust in tank stuck in float needle and caused gas to run out but that would not stop until bowl was shut off. I also had rust clog the tank supply to the bowl and stalled tractor.I blew air with compressor in fuel line and that cleared it for now. I also pulled down carb and cleaned it and she seems to run fine. oldiron29

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El Toro

01-05-2008 09:09:27

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Re: Still starting problems... in reply to Kristof, 01-05-2008 07:05:01

Hold your hand over the throat of the carburetor and see if you have good suction on your hand. You need good intake mainifold vacuum to pull that atomized fuel into the engine. If there's not much suction I would run a compression test and compare the readings. Hal
PS; Replace those plug wires and plugs.

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glennster

01-05-2008 08:02:10

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Re: Still starting problems... in reply to Kristof, 01-05-2008 07:05:01

i woud try and set the main jet 3 to 3 1/2 turns out, idle jet about 1-1/2 turns out. try and remove the air cleaner pipe from the carb throat while you are trying to get it to start. if you have a major flooding problem,you will see the fuel drip out. i am gonna guess its a letter series farmall, with the magneto.did you by chance change the spark plug wires? if so are they copper core and not the carbon fiber wires? mags dont care for them. also whick plugs are you using? if its an autolite 386, pretty sure its a resistor plug. try autolite 3116 plugs. like allan said them old i-h's dont like a lot of choke. pull the lugs and see if they are wet. if so clean em up and re-install. then with the choke off, throttle maybe 1/2 open give er a try. you can also try a quick shot of ether in the carb to see if she'll start.

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Kristof

01-05-2008 08:24:39

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Re: Still starting problems... in reply to glennster, 01-05-2008 08:02:10

Glenn,

I've tried opening the main and idle jet the way you suggested, but the fuel just pours out.
I've checked my sparkplugs and they are 386, but the tractor ran just fine on them before I started working on the tractor, so I don't think they are the problem. Oh, I almost forgot, yes it's a Farmall C I'm working on. I don't know about the wires that go to them though, they're the original ones I assume..

Kind regards

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Allan In NE

01-05-2008 07:36:50

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Re: Still starting problems... in reply to Kristof, 01-05-2008 07:05:01

You're not overchoking the dude are ya?

If the fuel only runs out of the hole while you're trying to start it, sounds like it's just plain flooded.

IH motors just can't take a whole lot of choke.

Allan

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Kristof

01-05-2008 07:41:33

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Re: Still starting problems... in reply to Allan In NE, 01-05-2008 07:36:50

You might be right, but how far do I have to open my main jet and my adling jet screws? The rebuild kit I used suggests to open them both one turn... And what's the right starting procedure to get him going? When you start him up, do you have to give him full throttle or min throttle?

Kind Regards

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Allan In NE

01-05-2008 07:52:23

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Re: Still starting problems... in reply to Kristof, 01-05-2008 07:41:33

Mornin' Kris,

I don't wanna give advise on something I'm not familiar with. You're working on a C or Super C aren't ya?

Somebody will be in here shortly to guide you along.

However, the high side adjustment sure doesn't sound right to me, but like I say, I don't know.

On my H, I use 2/3 throttle to start; hot or cold and then it is just a matter of how much choke and "feathering" is needed.

Allan

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Kristof

01-05-2008 07:55:23

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Re: Still starting problems... in reply to Allan In NE, 01-05-2008 07:52:23

Mornin' Allan,

Yeah It's a C. It's 5 in the evening over here so you cna imagine how long I've been waiting for you guys to wake up ;).
Tahnks for your advice and I guess I'll just have to be a little patient.

Kind Regards

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