Installation   
5.1 Installation 
  Synchronous Motors 1FK7 
24  Operating Instructions, 03/2011, 610.40700.40c 
●  Eyebolts that have been screwed in must either be tightened or removed after 
installation. 
●  Ensure that the flange joint sits evenly; avoid applying an excessive force to fixing screws 
when tightening. Use hexagon socket head cap screws with a property class of 8.8. 
Observe the tightening torques for the fixing screws of the motor flange. 
Table 5- 1  Tightening torques 
Motor  Screw DIN 7984  Washer ISO 7092 
[mm] 
Tightening torque for screws (not for 
electrical connections) 
1FK701  M4  4 (d2 = 8)  2.2 Nm 
1FK702  M5  5 (d2 = 9)  4 Nm 
1FK703  M6  6 (d2 = 11)  8 Nm 
1FK704  M6  6 (d2 = 11)  8 Nm 
1FK706  M8  8 (d2 = 15)  20 Nm 
1FK708  M10  10 (d2 = 18)  35 Nm 
1FK710  M12  12 (d2 = 20)  60 Nm 
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