Replacing The Phase Module - Siemens 6SL3845-2NN41-8AD2 Operating Instructions Manual

Procedure
1. Place the changing device on wooden beams so that the stacker can be positioned under
2. Position the stacker under the changing device, so that the base frame is resting on the
3. Assemble the bracket
Figure 9-13
4. Insert the outer stop brackets
9.5.5.2

Replacing the phase module

In the power unit, the power semiconductor modules (IGCT), gating boards and balancing
resistors are arranged on phase modules. A power unit comprises three phase modules. The
IGCT phase module is a replaceable unit. The weight is > 250 kg. The entire IGCT phase
module must be withdrawn from the drive so that it can be repaired.
SINAMICS SM150 6SL3845-2NN41-8AD2
Operating Instructions Rev.201910281310 EXAMPLE
it.
①
Bracket to secure the metal plate
Figure 9-12 Attaching the changing device to the forklift truck
forks.
Attaching the changing device to the forklift truck
replaced from rolling away.
②
stop brackets
①
to secure the base frame in place.
②
at the points provided to prevent the component to be
Maintenance
9.5 Repair
149