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FarmallH over idle

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kurt

04-16-2001 08:29:56




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I have a farmall H. And the idle will not behave properly. The engine will go to high idle and not come back down after working the throttle up while driveing or idleing , have to adjust the choke to get it to idle down. I will be installing a shutoff valve just before the carberator. Is this a high idle problem a governer problem or a carb problem. A guy on the IH-H website said it is a governer bearing problem. I want to be sure. any comments would help.

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Zonie

04-16-2001 22:14:02




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 Re: farmallH over idle in reply to kurt, 04-16-2001 08:29:56  
Kurt,
your problem sounds very similar to what my H was doing whan I bought it a few weeks ago. I found out the linkage from the governor to the carborator was way out of adjustment. I didn't need any parts, just readjustment as per the service manual was all she needed and she's running fine now.



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Farmer Bob

04-16-2001 08:46:36




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 Re: farmallH over idle in reply to kurt, 04-16-2001 08:29:56  
Kurt, It could be a variety of things causing your High Idle situation. Things to check for are:
1. Check the spring. It should have no tension on it with trottle lever all the way forward to idle.
2. Check all linkages for binding at different throttle positions.
3. Check the bearing for play. Make sure the outer ring on the bearing is not "wobbling" over the balls.
4. Loosen the throttle shaft housing at the connecting rod housing end and use a large screw driver to "raise" up on the front end of that throttle shaft housing. If the tractor idles down, you have a linkage adjustment problem or excessive wear in the bushings.

Good luck and keep us posted.//FB

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The Red

04-16-2001 08:43:13




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 Re: farmallH over idle in reply to kurt, 04-16-2001 08:29:56  
Kurt after the engine has cooled down, remove the governor side plate and the spring. You can then check the thruster bearing assembly. It should slide horizontally but not wobble. More than likely that and a worn spring are your culprits. Also check the idle screw. The locking nuts on those can get loose and the screw can get out of adjustment from vibration.



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