Daily maintenance
1. check the air filter and coolant level;
2. check the pipe and all the pipe joints if there is any leakage;
3. check the record, any consumable parts reaching replacement cycle must be replaced;
4. check the record, if the air end exhaust temperature arrive or get close to 98°C, please stop the compressor and wash the oil cooler;
5. check the record, if find that the differential pressure reach above 0.6bar (the limit is 1bar) or the differential pressure begin to downward, please replace the oil-gas separator;
Monthly maintenance
1. check the surface of oil cooler surface, please clean it if necessary;
2. clean the air dryer;
3. clean the water separator;
4. check if all wire are connected and tightened;
5. check AC contactor;
6. clean the dust of suction surface and shell surface;
7. clean oil return filter.
Quarterly maintenance
1. motor fill lubrication oil;
2. clean the motor and fan motor;
3. replace the coolant;
4. replace the oil filter;
5. clean oil cooler.