How to confirm the oil level of 2X-70A rotary vane vacuum pump
Question: What is the oil level of 2X-70A? Is this red dot the highest oil level or the lowest oil level?
Answer: The red dot is the center oil level. The oil level runs under vacuum for 5 minutes, reaching the red point or exceeding the red point by 3-6 mm
Can’t be lower than the red point, no more than 1 cm higher than the red point
