Immediately at the end of the sludge ejection cycle, the bowl of the fuel oil centrifuge, shown in the illustration, will be closed only when the valve(s) __________. See illustration MO-0024.
Immediately at the end of the sludge ejection cycle, the bowl of the fuel oil centrifuge, shown in the illustration, will be closed only when the valve(s) __________. See illustration MO-0024.