CUMMINS 555’s

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I forgot to add that right in the manuals for the 555 and similarly controlled engines that if the fuel tanks are arranged so the fuel level is above the PT pump fuel can leak into the engine flooding a cylinder.
Yes, it is right in the trouble shooting section written by Cummins. This manual was aimed at the trucking industry and it right in the manual.
The truckers were much more likely to flood when they parked nose down on a hill or a rise. But it can still happen to our boat,engines
 
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