LG LWC121CGMK0 Service Manual page 26

Disassembly
Equipment needed: Vacuum pump, Charging cylinder, Manifold gauge, Brazing equipment. Pin-off tool capable
of making a vapor-proof seal, Leak detector, Tubing cutter, Hand Tools to remove components, Service valve.
Figure 31A-Pulling Vacuum
26 Room Air Conditioner
Figure 31B-Charging