LG HBLG1803R Service Manual page 22

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 30A-Pulling Vacuum
22 Room Air Conditioner
Figure 30B-Charging