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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
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88 oliver carb. help

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Inman

08-15-2003 05:13:50




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Took carb. off cleaned real good,put it back on, how is best way to adjust it? Starts fine but kinda misses when you open throttle, and bogs out under load.




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Clint @ MD

08-15-2003 14:40:54




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 Re: 88 oliver carb. help in reply to Inman, 08-15-2003 05:13:50  
Here's a post from 1999 that explains pretty much the way the operators manual tells you to do it. The engine MUST be warm to get better adjustments.

Posted by Dennis H. on January 06, 1999 at 19:09:42:

In Reply to: Re: Re: Carburator Adjustment posted by Jim on January 06, 1999 at 09:14:38:

The carb should be a Marvel Schebler. You should have two screws, one for the idle curcuit and one for the high side. Screw both in until lightly bottomed and back oth back out 1 1/2 turns. This should get it to run, then put the throttle on full and turn the high side in until it stumbles and back it out(counting the turns) until it boggs. Return the screw inward to 1/2 way between these points. Now put the throttle to idle and repeat the process for the idle adjustment screw. I usually repeat the same process for the high side a second time because sometimes it will change. Then set the idle speed with the screw on the throttle linkage and you are done. No biggy, if you have questions write back...

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Jerry B

08-15-2003 05:51:29




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 Re: 88 oliver carb. help in reply to Inman, 08-15-2003 05:13:50  
warm up the engine and then open the throttle all the way. Turn the high-idle mixture screw in until you hear the engine start to loose rpm's. Now slowly open the the mixture screw until the engine picks back up, then go another 1.5 turns. That should get you in the ball park.

Make sure the ignition system is in good condition also. Check the timing while you are at it.

Hope this helps



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