① Sponge hard, switch is closed
② Sponge soft, switch is opened
Figure 9-24 Sponge
Replacing the sponge
① Retaining screws
② Sponge
Figure 9-25 Replacing the sponge
1. Remove the retaining screws ①.
2. Take out the sponge ②.
Maintenance
9.5 Repair
SINAMICS SM150 6SL3845-7NN46-7AA2
Operating Instructions Rev.201910281345 EXAMPLE 165