Samsung AC071MN4PKH Service Manual page 29

No. Parts
12 4 Way Valve
Procedure
1) First, discharge the refrigerant.
2) Remove the 2 screws which is fixed to
Service Valve and separate it. (Use +Screw
Driver)
3) Separate the inlet and outlet pipes by
welding torch.
If you separate the Compressor, Heat
Exchanger or Pipe, please fully discharge
refrigerant in the Compressor and then
separate the Pipe by welding torch.
3-17
Disassembly and Reassembly
Remark