9)
• Check for gas leaks.
(Check at the threaded section of the flare nut for
gas leak)
• Spay –type gas leak detecting products are
available on the market.
• Soap water may be used to check for leaks , but
use only neutral soap to prevent corrosion of the
flare nut.
• Be sure to wipe the nut area clean after the gas
leak check.
8) Tighten the flare nut. (Use a torque wrench to
apply the proper tightening force)
7) Apply refrigerant oil on the inside and outside of
the flared section.
(Do not apply SUNISO oil)
(Be careful to keep dust away)
6) Flare the pipe.
Rotate the flaring tool 3 or 4 turns after a clicking
sound is produced. this results in a clean flared
surface
1) Cut the pipe using a pipe cutter.
2) The cut edge has burrs.
(the amount of burrs becomes larger when pipe
wall is thick)
3) Remove the burrs using a reamer
(Be careful not to let particles enter the pipe.
Point the pipe end downward during cutting)
4) Clean the inside of the pipe
(use a thin stick with a cloth wrapped around it)
5) Before flaring , clean the cone section of the
flaring tool.
Corn section
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