Posted by bhb on November 05, 2018 at 07:13:05 from (76.189.66.166):
I have a Case 580 Super E backhoe that started running rough. I had the injectors repaired and it ran better, especially at idle. The man that did the work said that if it idled better but still ran rough at higher speed when it needed more power, that was common with the Lucas pump and bring the pump in. After he went over the pump it was better the engine still vibrates at a higher speed, (between 1500 and 2000 rpm). He does work for Southeastern, other tractor companies and truck repair companies. Here is what I have done so far, replaced the air filter, both fuel filters and tightened all fittings. I have two people give different opinions one was a bent push rod, I checked the valve clearance they are all to the manual specs. The other who has worked on these machines said that the fuel lines could have a small wear hole that would cause it to suck air. I would think with the high pressure fuel would leak out of the hole. He said he has changed many of the lines. I am at a loss as to what to do. If the fuel lines could cause this I will replace them. The machine is not near any diesel repair shops and would have to be transported. Thank you in advance Bill
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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