Removing the cooling water
1. Place the catchment tray under the pipe union.
2. Close the inlet non-return valve ④ and the outlet non-return valve ⑤. Unscrew the water
supply and outlet pipes ⑥.
Figure 9-15 Water connection
3. Capture the cooling water (approximately 5 liters) using the catchment tank. Remove all
water from the phase module.
Removing cables and screwed connections
1. Pull out the fiber-optic conductors.
2. Remove the power supply cables on the transformers.
Figure 9-16 Fiber-optic conductors and power supply cable
Maintenance
9.5 Repair
SINAMICS SM150 6SL3845-2NN41-8AD2
Operating Instructions Rev.201910281310 EXAMPLE 151
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