Preventive Maintenance for Screw Air Compressors: 5 Essential Practices

Many air compressor overload faults can be prevented through proper routine maintenance and regular inspections. Early detection of abnormal operating conditions can help reduce the risk of unexpected shutdowns and equipment damage..

1. Record the three-phase operating current during routine inspections and keep an operating log. Comparing current readings over time can help identify abnormal increases that may indicate increased load or potential equipment problems, allowing for timely inspection and corrective action.

2.Replace the air filter, oil filter, and air oil separator according to the recommended maintenance schedule, and do not operate consumables beyond their service life. During periods of high ambient temperature, check the lubricating oil condition more frequently and replace it when necessary.

3. All power terminals must be tightened on a quarterly basis; continuous vibration from the air compressor causes the terminals to gradually loosen and overheat.

4.Thoroughly clean the cooler and optimize the equipment room's ventilation conditions before the onset of the hot season.Make sure hot air can be discharged efficiently and that the air compressor has sufficient airflow for proper cooling.

5.For units where conditions permit, current-based early warning monitoring can be added to detect overload trends in advance, thereby preventing sudden shutdowns that could impact production.

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