Samsung AC018JNHDCH/AA Service Manual page 29

No Parts
12 Ass'y 4way Valve 1) Purge the Coolant first.
2) Unscrew and remove 2mounting screws
3) Unscrew and remove 2 mounting screws
4) Separate the pipe from the Entrance/Exit
Samsung Electronics
Procedure
in muffler.
in Service Valve. (Use +Screw Driver)
using a welder.
When removing the compressor,
Heat Exchanger, and Pipe, purge the
Coolant inside the Compressor
completely and remove the pipe
with a welding flame.
Remark
3-21