Lubricate the O-ring of the new filter cartridge with fresh compressor oil.

Torque all housing bolts in a star pattern to the exact foot-pounds specified in your specific model's torque table. Evacuation Protocol

: Specific replacement parts for Frame 4 single-screw compressors are documented in the Frame 4 Issue 7 (H) Parts List . Key Technical Features

Clogged oil filter; Clogged suction strainer; Low oil level; Oil dilution by refrigerant.

Proper lubrication is critical for sealing the rotor clearances, cooling the compressed gas, and protecting the high-speed bearings. Recommended Lubricants