I am working with a 1978 NT855 engine on a stationary fire pump.
The fuel pump is a PT type. When the engine starts it will idle until the oil pressure builds and the plunger slams the throttle lever to the set point of 1600 RPM, at that point the engine throttles up fairly quick causing water...
I’ve been working on a stationary pump engine that has been giving us problems for 5 years. It is a 1978 Cummins NT855 F1 for fire pumps. The engines it has ~ 2K hours on it, most of that time is from exercising 30 min per week pumping at the given rate of the system.
The problem we are...