Hose/Line HVAC

Tightening torque for 0-ring fittings
0.31 in. tube 13 Nm (10 ft lb)
0.50 in. tube 22 Nm (16 ft lb)
0.62 in. tube 32 Nm (24 ft lb)
Bolted type
For compressor 28 Nm (20 ft lb)
For condenser 18 Nm (13 ft lb)
For receiver 11 Nm (8 ft lb)