Returnof Remained Refrigerant; Welding Repair Step; Heavy Repair Method Of Refrigerator By Application Of Refrigerant - LG GR-P247C Service Manual

Heavy Repair Method of Refrigerator by Application of Refrigerant

2-2. Returnof Remained Refrigerant

Required equipment: Pinch pliers, hose for refrigerant recovery, vacuum pump
• If refrigerant returntime of 7 minutes has passed, connect a vacuum pump at the ends of a refrigerant returnhose
outdoor. (Vacuum pump must operate outdoor.)
• Operate a vacuum pump in order to returnrefrigerant remained in the pipe.
• Vacuum working time should be for more than 10 minutes.
Process Pipe
Pinch Plier

2-3. Welding Repair Step

Required equipment: Simple welding machine
• Remove pinch pliers if remaining refrigerant returnis completed.
• Cut the front part of a process pipe with a cutter. (Check that remaining refrigerant comes out.)
• Perform welding work such as replacement of compressor and dryer, or repair of leakage part. (Be cautious of fire during
welding work.)
Suction Pipe
Discharge Pipe
Discharge refrigerant
outside using window or door.
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Vacuum Pump