5-2
5.1 Standard Tightening Torque for Bolt and Flare Nut
Type Size
Tightening Torque
Example of Application
N・m kgf・m lbf・ft
Bolt
M4 1.6 16 1.2 Small parts
M5 3.0 30 2.3
Solenoid valve
Inverter box cover
M6 5.2 51 3.8
Slide plate for EFM stator
Condenser fan grille
Solenoid valve chamber cover
M8 12.3 121 9.1
Fixing plate of evaporator fan stator
Condenser fan motor
Control box door
Access panel
M10 25.2 247 18.6
M12 42.7 418 31.5 Compressor leg
M14
Reverse threaded
67.8 664 50.0 Tip of evaporator fan shaft
Flare nut
φ6.4, 1/4 15.7 154 11.6 Low-pressure port
φ9.5, 3/8 36.3 356 26.8
φ12.7, 1/2 54.9 538 40.5 Drier, Compressor injection port
Compressor
connector
（φ19.1 , 3/4）
122 1200 90 Compressor suction and discharge
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