Q: The reason Cummins generator voltage regulator board black smoke, how to deal with?

A: First, check the air filter if needed infarction, exhaust back pressure, oil nozzle, actuators, cylinders and other austerity lack power.

1 Reason:

1) air filter severe infarction

2) Fuel trademarks batch absurd

3) Exhaust backpressure too

4) fuel pump problems

5) oil Tsui killed

6) Cummins actuator cylinder tightening force lacking

2, disposal options:

1) reflect efficiency air filter can swap

2) to reflect the fuel quality in

3) reflection. Lang re-adjustment in the pump oil

4) reflection. Abandoned by the nozzle atomization case

5) to reflect on whether the normal cylinder tightening force