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Why does oil pressure drops when I increase the load on a diesel generator?

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chao_david

chao_david

Electrical
Oct 25, 2017
15
For example, at 0% load, the oil pressure is 4.5 bar and at 100% load, the oil pressure is 3.7 bar.
 
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The engine and oil temperatures are higher, so the oil viscosity drops.
 
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