High Pressure Safety Valve HVAC: Service and Repair
HR-6 Compressor:
REMOVE OR DISCONNECT
1. Recover Refrigerant.
2. Remove old pressure relief valve.
INSTALL OR CONNECT
1. Clean valve seat area on rear head.
2. Lubricate O-ring and new pressure relief valve. Install new valve and torque in place to 9 Nm (6.1 lb. ft.).
3. Evacuate and recharge the system.
4. Check for leaks.