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Tractor Talk Discussion Forum

The Carb

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Lanse

02-23-2008 07:49:48




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The carb is my next project. TSC had no clue what they were doing and i was reffured to the local auto parts store, and finally ended up with the RIGHT kit. So now what?? The thing has been soaking and is ready to be worked on. I cleaned it up according to what someone sent me. Theres basic instructions with the kit, but they arent very clear and i have never done this before, is there anything i should know?? Im going to clena up the mag next, i figured i should post this first and let responces accumliate. Thanks!!

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dieselpaul

02-23-2008 11:08:59




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 Re: The Carb in reply to Lanse, 02-23-2008 07:49:48  

go to YT 'research & info'-'articles' 'mechanical info'. there is a real good article called 'step by step carb ohaul'. its ford n-series, but basics are the same--lots of picures, guy wrote fine article-good luck-paul



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Walt Davies

02-23-2008 10:20:04




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 Re: The Carb in reply to Lanse, 02-23-2008 07:49:48  
Lanse, some of the new carb kits come with a new throttle shaft I suggest keeping the old one as these new ones are real cheap and not worth putting in. Float setting is critical be sure to follow the instruction and get it correct.

Also get Dad to break down and buy a small air compressor for you they are not much and will help a lot in your project. If you were closer I would give the old one I have in the barn but you could buy one for what it would take to ship it.
Walt

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MarkB_MI

02-23-2008 09:33:04




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 Re: The Carb in reply to Lanse, 02-23-2008 07:49:48  
The main thing is to make sure that all the passages are open in the carb body and jets. Use a piece of fine, stiff wire to clear out all the passages. (I use monel fishing leader, something not likely available most places. MIG welding wire works for most stuff.)

If something doesn't want to come apart, don't force it. It's probably better to leave parts undisturbed rather than breaking something that's hard to replace.

Hold the float up to your ear and shake it; if you hear something sloshing around it has a hole in it and must be replaced.

One of the most important things is to do your work somewhere that, if you drop a small part, you have a chance of finding it.

Good luck.

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DickL

02-23-2008 09:14:16




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 Re: The Carb in reply to Lanse, 02-23-2008 07:49:48  
third party image



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Mark - IN.

02-23-2008 08:43:20




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 Re: The Carb in reply to Lanse, 02-23-2008 07:49:48  
I can visualize the outside of that carb in my mind, but haven't been inside of it. Its a pretty old basic design up draft carb. Be careful with the jets, I assume have new ones in the kit, perhaps not. Don't strip them putting them in, certainly don't crank them into the seats. You're going to have to adjust them out after "lightly touching" the seats. Idles screws, things like that. Not a bad idea to carefully count the number of turns and partial turns inward until "lightly" bottom out, so have some neighborhood referrence point where they should be backed off to when put back together. I don't know about metering rods in that old carb, but whatever they're using, be careful that are inserted properly. Take notes of what you're taking apart and how, so when you do finish putting back together, it went back together how and in reverse order of how came apart.

Take your time, be careful, don't bang or ding stuff around. That thing is the engine's heart. If it doesn't beat or pump properly...

I have to give you credit. Go for it.

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hillbillyOH

02-23-2008 08:08:29




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 Re: The Carb in reply to Lanse, 02-23-2008 07:49:48  
Provided you're careful as you proceed, re-building a carb really isn't rocket surgery.

1. Dissemble the old carb completely.

2. Clean everything that you won't be replacing.

3. Re-assemble, using the new parts from the kit where possible.

The difficulty comes from the number of small parts involved, and from the need to ensure that everything is tight and clean.

ps Check the float for leaks.

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Don L C

02-23-2008 08:33:40




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 Re: The Carb in reply to hillbillyOH, 02-23-2008 08:08:29  
Blow compressed air through both jets (where the pointed screws go) and blow dry all the re-used parts.....



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big jt

02-23-2008 08:45:41




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 Re: The Carb in reply to Don L C, 02-23-2008 08:33:40  
Unfortunatly Lanse doesn't have a compressed air supply.

That being said carb cleaner in aerosol cans can work as a substitute. Not quite as good but it will work to blow out the passages.

jt



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AC Carb

02-23-2008 07:51:58




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 Re: The Carb in reply to Lanse, 02-23-2008 07:49:48  
The carb is my next project. TSC had no clue what they were doing and i was reffured to the local auto parts store, and finally ended up with the RIGHT kit. So now what?? The thing has been soaking and is ready to be worked on. I cleaned it up according to what someone sent me. Theres basic instructions with the kit, but they arent very clear and i have never done this before, is there anything i should know?? Im going to clena up the mag next, i figured i should post this first and let responces accumliate. Thanks!!

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