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Allis b spluttering

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Dick L
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Joined: 01 Sep 1999
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Location: Edon Ohio

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PostPosted: Tue Dec 24, 2019 11:20 am    Post subject: Re: Allis b spluttering Reply to specific post Reply with quote

That is where the main jet is located as shown in the second picture, Sometimes you can see dirt but sometimes you can't and it can have a spec of dirt inside the jet. Sometimes it can be cleared with a small wire like is on some paper tags. I have cleared that jet at tractor pulls without removing the carburetor with a wire I kept in my tool box.
 
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Big Mac T20
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PostPosted: Thu Dec 26, 2019 8:15 am    Post subject: Re: Allis b spluttering Reply to specific post Reply with quote

Had a look at that nozzle today. After removing the cap there was no obvious dirt so will remove the nozzle. It just pulls out you don?t screw it out?
 
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Location: Lake of the Ozarks area of MO

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PostPosted: Thu Dec 26, 2019 9:00 am    Post subject: Re: Allis b spluttering Reply to specific post Reply with quote

What I do when I have that problem on my C is take the cap off the main jet and then turn on the gas and let some gas flow out of the main jet. If it does not flow well I poke it out with a piece of wire or my torch tip cleaning tool.

The main jet screws out but more of the time you destroy the main jet before you get them to screw out
 
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Big Mac T20
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PostPosted: Sun Jan 05, 2020 8:40 am    Post subject: Re: Allis b spluttering Reply to specific post Reply with quote

How do you remove this nozzle ,I thought possibly using a screw driver but it?s very tight and didn?t want to damage anything.
,
 
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PostPosted: Sun Jan 05, 2020 9:49 am    Post subject: Re: Allis b spluttering Reply to specific post Reply with quote

Most of the time you damage those jets when you try to remove them and end up with bigger trouble. Spray it out real good with carb cleaner spray and then use a piece of wire to poke it out or as I do a torch tip cleaner tool and repeat a couple of times. Yes it can be removed but you Gun smith type screw drivers and many times heat to free them up. I have never removed them and had good luck doing it the way I said to
 
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Big Mac T20
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PostPosted: Sun Jan 05, 2020 2:01 pm    Post subject: Re: Allis b spluttering Reply to specific post Reply with quote

Ok folks well after an hour or so in the workshop I split the carb to see what was inside. Gave all the nozzles a good spray with carb cleaner and a good blow out with the airline. My worry was that I didn?t find anything obvious regarding dirt etc. But I went to observe the float and I have discovered I have a very sticky float needle! I make the point here that this carb was completely overhauled when i bought it and hasn?t done much but it?s possible it could have got sticky overtime.

To try and sort this I was going to spray some carb cleaner in and see how I go. Or does anyone have any other tricks they can tell me?

 
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PostPosted: Sun Jan 05, 2020 3:06 pm    Post subject: Re: Allis b spluttering Reply to specific post Reply with quote

If you notice the float needle has the ring on it for the float needle spring and with out that spring to pull the needle down when the float goes do yes it will stick. So if it was rebuilt who ever did the job left out the spring clip for the float/needle
 
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Big Mac T20
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PostPosted: Sat Jan 18, 2020 7:25 am    Post subject: Re: Allis b spluttering Reply to specific post Reply with quote

Ok well I finally got a carb spring for my float as thanks to one of the members on here told me it was missing, much appreciated for your help! I just wondered now according to my pictures have I got the spring in the correct place as I can?t seem to get a good picture of one online to show me?





 
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