The unload solenoid valve is energized, allowing oil to vent back to the low-pressure side. Internal spring tension or gas pressure forces the piston back, decreasing capacity. Servicing the Solenoid Valves If the compressor fails to load or unload:
The HSA compressor relies on an oil management system to maintain lubrication, seal the screws, and manage internal heat. 2.2. Capacity Regulation System
If the motor burns out, the system becomes highly contaminated with acidic sludge. mcquay hsa screw compressor service manual
The McQuay HSA series features single-screw design with twin gate-rotors
: Replace the internal oil filter element and suction strainers. The unload solenoid valve is energized, allowing oil
What is the specific of your McQuay HSA compressor (e.g., HSA 064, HSA 094)?
The McQuay HSA screw compressor service manual is a comprehensive document that covers various aspects of the compressor's operation, maintenance, and repair. The manual typically includes: What is the specific of your McQuay HSA compressor (e
To get the most out of the McQuay HSA screw compressor service manual, follow these best practices:
Locate the oil filter chamber cover. Loosen the bolts slowly to release residual pressure.
The suggests that if the compressor does not hold load or behaves erraticly, the capacity system should be tested:
Replace internal oil filter elements. A high pressure drop across the oil filter (exceeding 2.1 bar / 30 psi) triggers a safety trip.