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 did out of the system.




3. Tighten joint of bolt or nut to specified torque.

CAUTION: Connections should not be torqued tighter than the specified toque.

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

Specified amount : 500 ± 25 g

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