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Home> Company News> How to change the oil in a screw air compressor?

How to change the oil in a screw air compressor?

2026,03,23
Screw Air Compressor Oil Change - Simplified Steps: 
 
1.Run the machine for 3-5 minutes to allow the oil to heat up and thin, making it easier to drain completely.
 
2.Stop the machine → disconnect the power → depressurize the system to 0 MPa. Never drain oil while it is under pressure. 
 
3.Open the drain valve / remove the drain screw to drain all the old oil until no more oil drips. 
 
4.Close the drain valve and reinstall the drain screw to ensure there are no leaks. 
 
5.Open the filler cap and add new air compressor oil until the oil level sight glass is 1/2 to 2/3 full. 
 
6. Run the machine for 3-5 minutes and observe:
Any oil leaks
Is the oil level normal?
Is the oil pressure and temperature normal? 
 
7. Stop the machine again and check the oil level. If it is low, add a little more oil. Done.
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Author:

Mr. Grace

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grace@cnjiubei.com

Phone/WhatsApp:

+86 13414280001

Popular Products
Company News
Deepening Professionalism and Empowering Growth | Specialized Training Program Successfully Held by Dongguan City Jiubei Compressor Parts Co., Ltd.
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