Quality | Mcquay Hsa Screw Compressor Service Manual Extra

McQuay HSA (and HSS/HS-3100 Series)

The screw compressor is a high-efficiency, semi-hermetic single-screw unit used primarily in air-cooled and water-cooled chillers. Effective maintenance and servicing are critical to ensuring the longevity and performance of these units. Core Service Procedures

Contents of the McQuay HSA Screw Compressor Service Manual

The McQuay HSA Screw Compressor Service Manual outlines essential operations for qualified technicians: mcquay hsa screw compressor service manual

Mistake #1: Over-torquing Casing Bolts

• Location: Lower side of compressor, near oil separator outlet.
• Remove plug, extract filter with a long-nose tool.
• Soak new filter in oil before insertion.
• Torque plug to specification (e.g., 45 Nm).