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