Precautions for starting the vacuum unit of the vacuum coating machine- Ningbo Danko Vacuum Technology Co., Ltd.

Precautions for starting the vacuum unit of the vacuum coating machine

1. Check and confirm that the vacuum pipeline and flange from the pumped container to the air inlet of the vacuum pump are in good condition, the valves are open, and the valves on the pumped container should be closed.

2. Confirm that there is no liquid accumulation in the vacuum buffer tank before the pump, and the nitrogen pressure valve, emptying valve and bottom valve are all closed.

3. Check that the lubricating oil level in the vacuum unit should be within the scale range indicated on the oil window and confirm that the lubricating oil is clean.

4. Check and confirm that the lubricating oil level in the crankcase of the vacuum unit is within the scale range indicated on the oil window, and there is no debris in the crankcase.

5. Add clean lubricating oil to the oil cups and slightly open their needle valves, so that the lubricating oil can be injected into the cylinder drop by drop.

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