Siemens 1MB115 Installation And Maintenance Manual page 74

Alternative rotor bracing
• If you transport the machine after the output element has been pulled
on, then you must axially fix the rotor in another way.
Figure 2-1 Axial fastening of the rotor
① Sleeve
Tightening torques for other rotor shipping brace types
• The thread in the shaft extension indicates the rotor weight. This
indirectly specifies the required preload force when axially fastening the
rotor.
A xial preload force for other rotor shipping brace types
2.4.3 Commission after storage
2.4.3.1 Insulation resistance and polarization index
Measuring the insulation resistance and polarization index (PI) provides
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② Shaft screw and washer
Thread in the shaft extension
M16
M20
M24
M30
Thread in the shaft extension
M16
M20
M24
M30
Tightening torque
40 Nm
80 Nm
150 Nm
230 Nm
Preload
13 kN
20 kN
30 kN
40 kN