Siemens SINAMICS SH150 Operating Instructions & Installation Instructions page 106

Maintenance
9.7 Repair
Required tools
● Standard set of tools with screwdrivers, screw wrenches, socket wrenches, etc.
● Torque wrenches from 1.5 Nm up to 100 Nm
● 600 mm extension for socket wrenches
Interconnecting the power cells
All power cells in the module have an identical design. On the inside of the door, there is a layout
diagram showing how to interconnect the double submodules.
All power cells have one equipment code. The installation location can be determined by the
equipment codes entered in the layout diagram.
Removing a power cell
Proceed as follows to remove a defective power cell:
1. Check that the power cells are in a no-voltage condition at the "A" terminals of the power cell
2. Remove the fiber-optic cable
3. Remove the locking rings
4. Remove all screws (M8 x 20) of the busbars
5. Remove all screws
6. Remove the screws
7. Remove the upper retaining strip.
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as well as the "B" connections of the capacitor bank.
including the couplings, at the front of the power cell.
Remove the two busbars.
③
④
Figure 9-7 Removing a power cell, steps 1 - 7
⑤
at the front of the power cell.
②
at the water couplings. Remove the two water hoses
⑥
(M5 x 16) of the upper retaining strip.
(M5 x 16) of the upper retaining strip.
of the power cells that you want to remove.
SINAMICS SH150 6SL3805
Operating Instructions 05/2020
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