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Order Ford 861 Parts Online

Re: 1957 861 Carb tuning issue

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Royse

10-14-2019 16:24:41




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It should have an idle adjustment screw, but that just sets idle speed.

There is also an idle air adjustment. Important for low speed operation.

The new needles and seats can be temperamental, but it may

be just using a bit too much choke when trying to start if the gas

was found after trying to start it.

If not, make sure the gasket is under the seat, the surfaces are
clean and that the seat is in tight so it doesn't leak by under it.

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polymerjohn

10-15-2019 12:19:10




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 Re: 1957 861 Carb tuning issue in reply to Royse, 10-14-2019 16:24:41  
Thanks for the input/feedback. I think I figured it out. All the different iterations of carbs out there are killing me. Below is a picture of the manuals and how they do not show my carburetor. The bottom left picture is what I think is the correct approach to my carb adjustments (picture of my carb). I just hope I can get the fuel tank flow to stop into the bowl without tearing it apart again. This carb has the Power Adjustment Needle in a different place than most. What I thought is the Power Adjustment Needle, is actually the Idle Adjustment Needle. Any help on tuning method would be helpful. I am going to start with page 101 in the service manual and go from there.

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polymerjohn

10-16-2019 06:10:43




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 Re: 1957 861 Carb tuning issue in reply to polymerjohn, 10-15-2019 12:19:10  
Thank you everybody for the help. I moved away from my neighbor of 30 years that knew everything there was to know about tractors old and new. I miss you Roy. But thanks to the forum for posting some help.

John in OK



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