To run overhead on a N14 Cummins engine, first, ensure the engine is at operating temperature and shut it off. Remove the valve cover and use a wrench to rotate the engine to the appropriate position for setting the valves—typically to the “compression stroke” for each cylinder. Adjust the clearance on each valve according to the manufacturer’s specifications, using a feeler gauge for accuracy. Finally, reassemble the valve cover, ensuring all components are secured properly.
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