1. What is the reason why the hydraulic pump of the peanut oil press is not pumping oil?
a. The oil filter net is blocked
b. The oil is used for too long, and some sediment adheres to the oil inlet valve, so that the throttle is not tight.
c. The oil in the fuel tank is too strong or solidified due to cold weather.
d. Insufficient oil in the fuel tank
e. No vacuum in the hydraulic pump
2. Peanut oil press hydraulic pump can not pump oil solution
a. Cleaning the oil filter net
b. Replace the new oil or release the old oil; filter and clean the oil inlet valve and grind it to make it fit well
c. Replace the thin oil, increase the room temperature in cold weather
d. Add enough oil to the fuel tank
e. Pull out the small piston, inject the oil and then press