Re: Re: IH 454 Gas - Carb, Choke, and Fuel pump pr

Posted by Ken C. on April 16, 2004 at 07:58:03 from (192.11.222.116):

In Reply to: Re: IH 454 Gas - Carb, Choke, and Fuel pump proble posted by JB on April 13, 2004 at 15:48:25:

Thanks guys. Well, the fuel pump did not fix the
problem. It appears it's all in the carb.
The tractor will run great wide open, but the choke must be fully closed.. AND runs great at idle with the choke fully open. Shouldn't be that way, but at least I got the fields mowed. haha.
It's just a pain to have to move the choke depending on whether I'm at idle or full speed.
Plus, with the choke closed like that..it HAS TO
BE really burning the gas.

We didn't rebuild the carb, but did take it apart and clean it thourougly. Interesting enough, the
manual says the float highth (measures from
top, not bottom of float) should be 1/4".
At 1/4", you can't blow air thru the valve.?
We opened slightly more..about 3/8. No change.

I guess I could pursue a rebuilt carb, or really
rebuild this one. Don't know if it's worth any
more time or money.?..

re: high speed adjustment.. There is none.
Only an idle screw, and the throttle linkage.

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