1:PT pump shaft oil seal is damaged, permeate to diesel oil seal after timing gear box into the oil pan
2:PT fuel pump electromagnetic valve sealing ring is damaged, diesel by cutting off valve into the injector, the combustion chamber the oil sump
3:When the injector hole is too large, or damaged, can lead fuel oil into the oil pan
4:When Fuel injector o-ring damaged, will lead to fuel oil into the oil pan.
5: When Fuel injector working time is not correct, cause incomplete combustion, redundant diesel oil into the oil pan
6:Piston, piston ring and cylinder liner damaged, can lead fuel oil into the oil pan
7: some cylinder pressure too low to work can lead fuel oil into the oil pan.
8:Air filter blockage, or damage of the turbocharger etc, make the diesel generator set intake inadequate, incomplete combustion, can lead fuel oil into oil pan.
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Post time: Dec-16-2019