Replacing The Motor Module For Booksize Format - Siemens SINAMICS S120 Equipment Manual

Maintenance and servicing
6.4 Replacing components
Installation steps
For installation, carry out the above steps in reverse order.
CAUTION
The tightening torques specified in the table "Tightening torques for connecting current-
conducting parts" must be observed.
Carefully establish the plug connections and then ensure that they are secure.
The fiber optic cable plugs must be remounted at their original slot. Fiber optic cables and
sockets are accordingly labeled for correct assignment (U11, U21, U31).
The screw connections for the protective covers must only be tightened finger-tight.
The procedure described here for replacing the power block refers to the module on the
right. The other modules are handled in the same way.
6.4.7

Replacing the Motor Module for booksize format

Preparatory steps
● Observe the "five safety rules".
● Remove the protective cover.
● Allow unimpeded access.
Removal
1. Disconnect the Control Unit and remove from the plate (if present).
2. Detach the cable from the plate and put to one side.
3. Remove the Control Unit plates.
4. Remove the DC link rectifier adapter.
5. Remove and insulate the 24 V terminal adapter.
6. Remove the DRIVE-CLiQ cables.
7. Remove, short-circuit, and insulate the motor cable.
8. Unscrew the fastening screws of the Motor Module (two turns only).
9. Remove the Motor Module.
Installation
For installation, carry out the above steps in reverse order.
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S120 Cabinet Modules Equipment Manual
Manual, (GH5), 10/2008, A5E00427098A