ABB
ACS 6000 Maintenance Manual 3BHS202077 ZAB E01 Rev. C 14-1 (4)
Chapter 14 - Tightening Torques and
Threaded Connections
14.1.1 Tightening Torque for Pipe Coupling (WCU Type 29 and 52)
Figure 14-1 Pipe Couplings
14.1.2 Tightening Torque for Pumps (WCU Type 29 and 52)
1) see Figure 14-2 to locate the parts
2) for lubricated threads
14.1 Water Cooling Unit
Table 14-1 Tightening Torques
Part Thread Diameter Tightening Torque
Hex. nut M10 30 - 35 Nm
Coupling
Table 14-2 Tightening Torques
Part Part No.
1)
Thread Diameter Tightening Torque
2)
Hex. head bolt 901.1 M10 30 - 35 Nm
Hex. nut 920.1 M10 30 - 35 Nm
Hex. nut 920.4 M12x15 45 - 55 Nm