How to maintain the oil-lubricated screw air compressor?

1. Daily maintenance

1. Check the oil level, air filter, and coolant level;
2. Check the consumable parts. if it has reached the replacement cycle, it must be stopped and replaced;
3. Check the exhaust temperature of the host, if it reaches or approaches 98℃, the oil cooler must be cleaned;
4. Check the pressure difference of the separator. if it reaches more than 0.6bar (limit 1bar) or the pressure difference starts to decline, stop the machine and replace the separation core;
5. Check the discharge of condensed water. If the drainage volume is too small or no condensed water is discharged, the water separator must be shut down to clean;
6. Check whether the unit has abnormal noise and leakage.

2. Quarterly maintenance (Level 1 maintenance)

1. Clean the exterior: clean the outer surface of the unit and the cooler, and clean the bleed muffler;
2. Check whether the exhaust temperature switch is malfunctioning;
3. Check the oil filter element and oil separator element, and replace the worn parts;
4. Check whether the lubricating oil has gone bad, and add grease to the bearings of the motor;
5. Check the electrical components and clean the dust in the electrical control box.

3. Annual maintenance (Level 2 maintenance)

1. Complete each item of quarterly maintenance;
2. Check the air filter element and oil filter element and replace if necessary;
3. Change the lubricant;
4. Check all hoses for cracking and aging;
5. Check the electrical box and electrical control system;
6. Check the performance of the whole machine.

Notes for long-term shutdown and restart of screw air compressor

1. Replace lubricating oil, air filter, oil filter, oil-gas separator element;
2. Check whether the circuit condition is ok;
3. Check whether the air compressor parts contain water and dust;
4. Check whether the air inlet and air outlet are blocked;
5. Turn on the power and check whether the computer controller is ok;

Note: The best way is to ask the technical staff to do comprehensive commissioning. So the operation can be set to the best condition before using it.