Charging Tube Connection Step; Vacuum Air Removal - LG GR-P247C Service Manual

Heavy Repair Method of Refrigerator by Application of Refrigerant

2-4. Charging Tube Connection Step

Required equipment: Charging tube, simple welding machine
• Remove a charging pipe to recharge R600a refrigerant after completing work, and then connect a charging tube with
welding

2-5. Vacuum Air Removal

Required equipment: Vacuum pump
• Connect a vacuum pump to a charging tube to perform vacuum cycle.
• Vacuum work should be performed for an hour. (If vacuum time is short, normal cooling performance may not be exerted
due to failure of cooling cycle.)
Charging Tube
Suction Pipe
Discharge Pipe
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