38
b. Remove burrs
Burrs can affect the air-tight seal of refrigerant piping connection. They must be
completely removed.
● Hold the pipe at a downward angle to prevent burrs from falling into the pipe.
● Using a reamer or deburring tool, remove all burrs from the cut section of the pipe.
shaper
downwards
pipe
c. Flare pipe ends
● After removing burrs from the cut pipe, seal the ends with tape to prevent foreign
materials from entering the pipe.
● Sheath the pipe with insulating material.
● Place flare nuts on both ends of the pipe. Make sure they are facing in the right
direction, because you can’t put them on or change their direction after flaring.
flare nuts
pipe
● Remove the tape from ends of pipe when ready to perform flaring work.
● Clamp flare form on the end of the pipe. Place flaring tool onto the form.
Turn the handle of the flaring tool clockwise until the pipe is fully flared.
expander
pipe
hard
mold
