1. Check the oil level frequently. If it does not meet the requirements, adjust it to meet the requirements. When the vacuum pump is running, the oil level shall be subject to the center of the oil standard.2. Regularly check the oil quality. If the oil is deteriorated, replace it with new oil in time to ensure the normal operation of the vacuum pump.3. The oil change period shall be considered according to the actual service conditions and whether it can meet the performance requirements, and s…
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