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How to Change the Oil for an Air Compressor?

1 Answers

VonFrancisco

07/29/25 9:16pm

Start the air compressor and let it run for about 5 minutes until the oil temperature rises to around 50°C and the lubricating oil viscosity significantly decreases, then shut it down. Next, carefully observe the internal pressure of the oil-gas tank. When the pressure is found to be around 0.1Mpa, open the oil drain valve at the bottom of the oil-gas tank and connect it to the oil storage tank. After the lubricating oil has been completely drained, close the oil drain valve, then unscrew the oil filter of the air compressor to drain the lubricating oil from all pipelines simultaneously. Insert a funnel into the oil inlet to prevent leakage while pouring in the new oil. Fill with new oil until the oil level is within the scale range of the oil gauge, then tighten the oil filler plug.

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