It seems like it is the problem cause by Internal Combustion Engine. Its basic content is, repair or replace crankshaft, connecting rod, cylinder liner, valve seat and valve duct. Repair of eccentric bearings; replacement of plunger pairs, oil delivery valve pairs and needle valve pair. Repair welding oil pipe and joints; repair water pump, governor, remove water scale scale; inspect, repair, adjust lines, instruments, charging generators and starter motors in the power supply system; install, inspect, test, adjust each system, and load test.