Mcquay Hsa Screw Compressor Service Manual - 2021

Slide out the carbon face and stationary ceramic ring. Inspect the compressor shaft for scoring.

Inspect the compressor shaft for scoring, burrs, or pitting. Polish lightly if needed.

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: Check the tightness of all terminal connections and measure motor insulation resistance (megohmmeter test). 4. Step-by-Step Component Disassembly and Service

The McQuay HSA Screw Compressor Service Manual outlines essential operations for qualified technicians: Slide out the carbon face and stationary ceramic ring

Check the solenoid coils for continuity using an ohmmeter. Replace burnt-out coils.

Periodic replacement of oil filters and refrigerant filters. Polish lightly if needed

The exact from the compressor nameplate (e.g., HSA 211, HSA 240) The refrigerant type currently used in the system

Procedures for inspecting the solenoid valves and slide valve mechanisms. 3. Servicing the Capacity Slide Valve