Panasonic cs-s9pkv Service Manual page 53

10.1.7.1 Wire Stripping and Connecting Requirement
10.1.7.2 Cutting and Flaring the Piping
1 Please cut using pipe cutter and then remove the burrs.
2 Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused. Turn the piping end
down to avoid the metal powder entering the pipe.
3 Please make flare after inserting the flare nut onto the copper pipes.
53