Hose/Line HVAC: Service and Repair

REFRIGERANT LINE

REPLACEMENT

1. Discharge refrigerant from refrigeration system.
2. Replace faulty tube or hose.

CAUTION: Cap the open fittings immediately to keep moisture or dirt out of the system.

3. Tighten joint of bolt or nut to specified torque

CAUTION: Connections should not be torque tighter than the specified torque.






4. Evacuate air in refrigeration system and charge system with refrigerant.

Specified amount : 500 ± 25g

5. Inspect for leakage of refrigerant.
Using a gas leak detector, check for leakage of refrigerant.
6. Inspect A/C operation.