- The oil level on the pump should be checked every three months, when the plasma is ON
- Maintain the oil level between the Max and Min levels on the gauge
- Standard frequency for changing the oil is approximately every 4,500 hours
Be careful when changing oil because the oil may have absorbed dangerous substances. The oil in the rotary pump on the interface side of a 7500 equipped with a hydrofluoric acid resisting introduction system is especially dangerous.
DO NOT TOUCH THE OIL WITH BARE HANDS.
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