Mcquay Hsa Screw Compressor Service Manual [hot] | LATEST |

: Maintenance must be conducted by technicians experienced with this type of equipment.

Record suction pressure, discharge pressure, oil temperature, motor current draw (amperage), and subcooling/superheat values. mcquay hsa screw compressor service manual

: Start the compressor and monitor the suction, discharge, and oil pressures immediately. Verify that the slide valve loads and unloads smoothly across its full operating range. : Maintenance must be conducted by technicians experienced

Low system refrigerant charge; Defective expansion valve (low superheat control); Restricted oil flow or fouled oil cooler. motor current draw (amperage)

Remove the shaft seal cover bolts evenly to avoid binding the spring.

Install the new OEM filter element and replace the O-ring seal on the cover plate.