Spacing of cutters in high speed cloth cutting machine
The oil filter gasket is damaged, the bypass valve is not sealed, the spring is broken or the pressure is insufficient
Oil pump diaphragm rupture and leakage of gasoline into the oil pan gasket or due to damage or lining cracks, cooling water leak into the oil pan by lubricating oil dilution
The poor anti - foaming property of the lubricating oil causes air to be mixed in the oil circuit
The oil in the oil pan is insufficient, the lubricating oil label is not suitable or the viscosity is too low
Mechanical factors: (1) the oil pressure limiting valve is improperly adjusted, the spring is too soft or broken, the return valve leaks;