
Leakage /Freon - 4/4
Case-4
Factor
Flare nut's fastening.
Damaged flares by over-fastening make gas leakages.
And incompletely fastened nuts too.
Troubles &
Causes
Defect Details
Guidelines
■
Fastening Torques of Flare Nuts
■
Torque-wrench is required for proper fastenings.
■
Check gas leakages of 4 fastened points and welded
points with soap bubbles ctc.
-High pressure points: amid compressor's running.
-Low pressure points: amid compressor's not running.
Tube Dia.(mm)
Torques (Kg-Cm)
6.35
160~200
9.52
350~450
15.88
450~550
19.05
550~650
Damaged Flares by
over-fastening
Incompletely fastened nuts
Indoor Side
Outdoor Side
TCL Air Conditioner Service Manual
23