hi sir i m sid from uae 1month before our 30gx chiller cooler leak and water come in 06ea screw comp we found comp magger valve ok i am removed the winding and low speed winding side gear can you any bady advise to how to overhauling the screw and how to clean the all oil passage line,screw removed,bearinging change,it's my 1st screw compressor overhualing. before i m doing sami shield compressor like copland/york/carrier/betzar etcplz help me thnx 2 all