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Fordson Tractors Discussion Forum

Simms Injector pump

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Ken K

12-18-2005 14:33:38




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Power major diesel wont idle down all the way. If you push lever up to idle it starts running real rich and rough and picks up rpm pull it down and it cleans up and runs smooth with very little smoke. Checked the diaphram and it was torn so I swapped it for a good one I had on a parts tractor. Works a little better but not much. Is this an adjustment problem with the rack or a govener problem. Throttle body seems to be adjusted properly and lines clear.Funny thing is it ran good till the clutch went last fall and sat till now. Thanks in advance, Ken

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hahter

12-18-2005 15:03:05




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 Re: Simms Injector pump in reply to Ken K, 12-18-2005 14:33:38  
You can try and loosen, do not remove, fuel lines at each injector on the head one at a time. Note if there is any change in the idle. If there is a difference then you might have a bad injector. Also see if the amount coming from each line is the same. If it is then should not be in the pump. I had a Simms pump that was only pumping on #3 cyclinder. I pulled pump off and took cam cover off and slowly freed the pistons in the pump and is working fine.

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