• Put the connector back onto the terminal post. Start the combi screw, and
turn it at least two rotations by hand.
WARNING!
Before using tools, make sure that the nut/screw is not cross-threading.
Cross-threading will damage the drive and cause danger.
• Tighten the combi screw to a torque of 30 N·m (22 lbf·ft).
• Tighten the conductor(s) to 40 N·m (30 lbf·ft) for frame R8 or to 70 N·m
(52 lbf·ft) for frame R9.
11. Frames R8…R9: If you install parallel cables, install the second grounding shelf
for the parallel power cables (11a). Repeat steps 6…11 (11b).
R8…R9R8…R9
12. Install the grounding shelf of the control cables.
13. Reinstall the shroud on the power terminals.
14. Secure the cables outside the unit mechanically.
Electrical installation – Global (IEC) 157
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