Question about RTO Massey-Ferguson Tractor TE20, TO20, TO30, ITFE2

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Will loose adjustment on valves cause skip and flooding or rich exhaust

TO-20 really burns rich & skips, can't seem to adjust carb to clear it up. Also has a light knock after it warms up & it is pulling but when not pulling, like coasting down hill idling it seems fine . No oil consumption. A buddy of mine said it could be a wrist pin. Anyone have any solutions. Thanks

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  • lloyd gazaway Jan 10, 2013

    thanks kelly, i'll try this as soon as i get a chance.

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SOURCE: to-20 skipping bad. i installed new plugs and now

i havent solved it yet. but like i said, pull the wire off and it stops. i switched wires too but it's still there. i switched plugs too. HELP
thanks. bill
i dony have money to pay you guys as i am on a very small income and i mean small

Posted on Feb 07, 2010

kel1guy2002
  • 3740 Answers

SOURCE: my WD seems to flood when it is being driven,

It sounds like during the rebuild the float level some how was changed to a higher setting. There is a tab on the float that needs to be bent in order to change when the float valve actually closes. Seems your float valve adjustment is allowing the carb fuel level to be too high which will create the exact symptom that you described.
If the level is fine then there can be a small piece of debris in the float valve seat.
Also.. if the float itself has filled with fuel it can be too heavy to float and cause the float level position to remain low even when the carb is full not allowing the fuel supply to be shut off. If the new o-ring for the float valve was cut during installation it can also cause your current symptom.
At this point I just think that a float level adjustment is all that should be required.
with the float bowl screws loose the bowl should never overflow in a static condition. If it does the float level adjustment is off.

Thanks for using FixYa.

Kelly


Posted on Mar 19, 2010

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