case 580c rough idle


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case 580c rough idle

Rob AJ thanks for the info on the 4n1. I have another question for you or anyone else that might know whats wrong with my backhoe. It use to die at idle so i replaced the filters still the same so i replaced the injector pump. Now it idles but pretty rough.
AJ Have a look at the engine mountings esp the front one,if the mountings are shot there is metal sitting on metal and it will sound very rough.
AJ

rob thats a thought but the idle is atually going up and down by a couple 100rpms
AJ Your machine would have a Roosa Master injector pump,that pump was not used much here in the UK as they opted for CAV or Bosch,what I do remember about them that the surging problem was caused by some diaphragm or rubber ring breaking up but I can't remember exactly as its well over 30 years since I seen one.
AJ



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