Shanghai Royal Machinery Co.,Ltd

Screw air compressors RFQ questions:

1. we suggest replace oil filter at the first 500 hours working time for a new screw air compressor, meanwhile to replace lubrication oil and oil separator filter together, lubrication oil we advice shell brand 46# semi-syntheitic (Shell corena S3 R46).

2. after that,  replace oil filter every 1500-2000hours which according to screw air compressors working conditions,  if there is dusty, we advice to replace every 1500 hours, air filter element and oil separator filter are same, to replace them every 1500hours to 2000hours,  if expiry time, our screw air compressors PLC will alarm and show error code on PLC display.

if not replace filters over that time, and clear alarm to continue working, may cause oil lakage, which you can see oil come out from safety valve and oil seprator tank cover....

3. there are also other small problems which screw air compressors meet frequently, such ask lack of phase,fuse burnt, lubrication oil less caused overheat, cooler blocked.....welcome to contact with us please,  we have rich experience of selling and after-sales maintenance of all screw air compressors,  will give best soupport.