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Case Tractors Discussion Forum
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Case 580 ran last weekend - now doesn't

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Doug Overkill

09-30-2006 13:09:28




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2 weekends ago I installed a freshly rebuilt diesil fuel pump into my 1971 Case 580 ck. (188D)Tractor started right up and ran strong both that weekend and last weekend.
Today I went out and it doesn"t start. It cranks and cranks, but no fire. I opened all 4 lines at injectors and it is getting fluid to injectors. What else could it be?
How/where do I check compression?




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Bill in oh

09-30-2006 22:35:17




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 Re: Case 580 ran last weekend - now doesn't in reply to Doug Overkill, 09-30-2006 13:09:28  
ON this engine if equiped with a rossa master injection sym make sure the return lines back to fuel tank is open.If this line is restricked it cause's excess housing pressure in pump and shut's down pump metering valve.i have experince this a number of times.



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old

09-30-2006 15:42:41




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 Re: Case 580 ran last weekend - now doesn't in reply to Doug Overkill, 09-30-2006 13:09:28  
Where you getting any smoke?? Was it cold out?? Was it turning over fast enough. A diesel need to spin over pretty good to have them fire up most of the time and also if it was cold that could be part of it also



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Doug Overkill

09-30-2006 17:08:35




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 Re: Case 580 ran last weekend - now doesn't in reply to old, 09-30-2006 15:42:41  
You are correct. I put the charger on it for a few hours and she fired right up. I thought it was cranking fast enough, but I was wrong. I didn't realize how much a factor a full battery was on a diesel.



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old

09-30-2006 17:19:48




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 Re: Case 580 ran last weekend - now doesn't in reply to Doug Overkill, 09-30-2006 17:08:35  
Some of them its no big deal but on others it is. I have a case 930 it it fired up well even when the battery is weak but then I have seen others that if the battery is weak they just plain will not start



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