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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
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refrigerant returnhose outdoor. (Vacuum pump must operate outdoor.)
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Operate a vacuum pump in order to returnrefrigerant remained in the pipe.
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Vacuum working time should be for more than 10 minutes.
2-3. Welding Repair Step
Required equipment: Simple welding machine
Remove pinch pliers if remaining refrigerant returnis completed.
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Cut the front part of a process pipe with a cutter. (Check that remaining refrigerant comes out.)
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Perform welding work such as replacement of compressor and dryer, or repair of leakage part. (Be cautious of fire during welding
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work.)
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