6-2
6.1 Standard Tightening Torque for Bolt and Flare Nut
Type Size
Tightening Torque
Example of Application
N・m kgf・cm Ibf・ft
Bolt
M4 1.6 16.3 1.2 Small parts
M5 3.0 30.6 2.2 Solenoid valve
M6 5.2 53.0 3.8
Evaporator fan Stator slide plate
Condenser fan grille
Valve chamber cover
M8 12.3 125.4 9.1
Evaporator fan Stator fixing plate
Condenser fan motor
Control box door
Access panel
M10 25.2 257.0 18.6
M12 42.7 435.4 31.5 Compressor Base
M14
Reverse threaded
67.8 691.4 50.0 Evaporator fan shaft
Flare nut
φ6.4, 1/4 15.7 169.1 11.6 Low-pressure port
φ9.5, 3/8 36.3 370.2 26.8
φ12.7, 1/2 54.9 559.8 40.5 Dryer, Compressor injection port
Compressor
connector
(φ19.1, 3/4) 122 1244.1 90.0 Compressor suction and discharge
06章01-08LX10F11B3TR16-02En.indd6-206章01-08LX10F11B3TR16-02En.indd6-2 2016/01/289:24:142016/01/289:24:14