Запасные части грязевого насоса
After 100 hours of operation, replace the engine oil, gear oil, motor oil, and brake fluid.
The reason:
Inlet valve is not open or has silted
Suction line resistance is too high or blocked
Suction height is too high
Inlet valve is not open or has silted
Suction line resistance is too high or blocked
Suction height is too high