The leakage fault of diesel generator is usually caused by the injection of corrosive coolant or seawater into the water radiator of the diesel engine.
Cause of failure: 1. The cooling water added to the cooling water radiator by operator is seawater, which results in the damage of internal waterway and external interface of diesel engine. Therefore, the use of diesel engines must be strictly in accordance with the provisions of the diesel engine operation. 2, the operator feed water radiator in the addition of strong anti-freeze corrosion, resulting in diesel engine waterway parts damage. Troubleshooting methods:
1.Disassemble damaged parts of diesel engine, replace damaged parts of diesel engine after washing water radiator and inner waterway of block with fresh water.
2, after assembly, adjustment, test machine found that the diesel engine returned to normal, the fault was eliminated.
SOURCE: diesel mixed with oil in the sump
You run again the generator but before running, check & mark the oil level. Then stop the generator & wait until the oil settle to the bottom of oil pan. Check the oil level again & if the oil level is higher than the marking before that's means you have an engine gasket leak.You need to replace that gasket.
It is quite normal for the exhaust manifold and turbo to get very hot, especially when the engine is working hard running at high speed under load. Every time the mixture in the cylinder is ignited there is a small explosion producing a BIG flame and a lot of heat to push the piston down. A lot of this heat goes out the exhaust. During daylight it is usually not noticeable, but at night it will visibly glow up to a bright red.
In relation to the oil pressure dropping, providing the oil level is at the correct level, there may be a restriction in the gauze filter on the input of the oil pump due to sludge buildup. Once the engine warms up and the oil thins out, the oil pump can't work at maximum capacity. The drop in RPM could be caused by the turbo getting insufficient lubrication and cooling due to the low oil pressure reducing oil flow to the turbo causing it to not work at its optimum speed and efficiency and therefore through reduced air flow into the cylinders the engine would tend to loose speed especially when under high load. The drop in RPM could also be caused by a problem with fuel flow to the injector pump causing the engine to run lean which would not allow the engine to produce maximum power and also contribute to higher exhaust temperatures because the governor would have the throttle wide open to try and maintain the engine speed when the generator is required to produce maximum output.
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