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Harry Ferguson Tractors Discussion Forum

carb adjustment

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Author  [Modern View]

10-29-2013 18:09:07

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just need a little help adjusting my carb, here is the issue, I have some misses and at one point on the throttle it seems to run a little rough. is there anyone who can help me with the adjustment and what I should be looking for , thanks

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10-30-2013 12:15:21

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 Re: carb adjustment in reply to Z-man, 10-29-2013 18:09:07  
when adjusting carb be sure all electrical in in top condition before you start on fuel related items.

points, plugs, condenser, wires, dis cap, and timing. all must be right. be sure air filter is clean!!!!!!

also engine must be at normal operating temp, not cold. use regular gas, if possible, not ethanol crap grass gas.

try to find this posting
goggle Marvel-Schebler Carbureter

Marvel-Schebler Carbureter

I have it down loaded, but do not know how to copy it for you.
its a 23 page adobe fie on adjusting the MS carb.

be sure you know which carb you have, its should be on the side of the carb housing, you must know this as different carbs take different adjustments.

good luck,

you know you have it when motor (warm) idles at 400 rpm's and you can take tractor out to the field or garden with disc on, drop disc into the ground and give the tractor fuel and it takes the fuel and motor speed up with no hesitation.

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10-30-2013 03:48:18

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 Re: carb adjustment in reply to Z-man, 10-29-2013 18:09:07  
Most times theres trash in the system causing the miss, if not then look at the plugs, If they are white its too lean and dark could be too rich or oil.

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