Posts Tagged “Cylinder Head”
This installment of our maintenance series picks up from our previous video, where we replaced the defective cylinder head in our Northern Lights 12kW generator with a brand new one just shipped in from the US. In this video, we complete the job by adjusting the valves, replacing the coolant and bleeding the fuel…
This installment of our maintenance series picks up from our previous video, where we removed the defective cylinder head from our Northern Lights 12kW generator and ended with the engine in pieces on the floor. In this third part of the set covering the low power output issue with our generator, we install the…
In the previous installment of our maintenance series, we diagnosed lack of power output on a Northern Lights M843NW3.3 12KW generator with 6,700 hours of use over 10 years. We concluded the #3 cylinder exhaust valve seat had failed. In this second part of the series covering the low power output issue with our…
About four weeks ago, our generator suddenly went from normal output to having far less power. Instead of the 10+ kW it normally produced, it could only generate 7 kW. We worked through the Northern Lights diagnostic procedure and concluded we had a valve or valve seat problem on #3 cylinder exhaust. The steps we…
In this installment of our maintenance series, we diagnose low engine power output on a Northern Lights 12kW generator. This engine is unable to produce more than 7kw of power, but can reliably deliver that, and otherwise is running fairly well. We walk through the diagnostic procedure checking for intake blockage, fuel system problems,…