First time rebuild H carb running rich

Posted by Dave in CT on January 10, 2004 at 07:37:24 from (64.252.220.81):

I recently rebuilt my 6213-DA gas carb on my '47 H. I rebuilt it because it was running rich. After bolting everything up tight and making sure the gov linkage was seated correctly. I've unscrewed the idle air adjusting needle all the way until the tension spring is loose. I can screw the main jet adjuster in all the way and I don't get any change. This is where I've left the carb when I've been running it. This morning I wanted to see if it would start at -5 F. I cranked it a few revolutions fully choked then opened the choke and a small stream of gas came out of the open air intake port on the carb. Until I get it running lean, I've been leaving the air cleaner pipe off. Then I started it without the choke on and it started with only a couple of trys. I idled it for about 20 minutes then checked the plugs. I installed new champion D 21 plugs because I heard the hotter ones help with fouling. They were dry fluffy black. When I rebuilt the carb, I checked the seat where the main jet adjusting needle fits and it _looked_ O.K. but now, even when I gently snug the needle down to the seat, I get no change in the idle speed. What am I doing wrong?

The only adjustments that affect the running are screwing the idle air adjusting needle in all the way until it's running so rich it stumbles and screwing the idle stop screw in and out. I used a TISCO "Carburetor Repair Kit to Fit IHC Tractors C510HV".

Thanks,

Dave

Follow Ups:

• Re: First time rebuild H carb running rich Red tom 07:03:51 01/11/04 (0)
• Re: First time rebuild H carb running rich Wayne Swenson 21:31:09 01/10/04 (1)
  • Re: Re: First time rebuild H carb running rich Wayne Swenson 21:33:15 01/10/04 (0)
• Re: First time rebuild H carb running rich Farmall-Nut 17:22:34 01/10/04 (0)

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