LG LRSOC2306 Series Service Manual page 22

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.
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.)
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