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10.2.3.3
Replacing the fan unit, FSH/FSJ
Two external fan units are installed at the bottom of the converter.
Procedure
Proceed as follows to replace the fan unit(s):
1. Switch off the converter power supply.
2. Release the retaining screws (two screws on FSH, and three screws on FSJ) and remove
the lower cover of the converter
3. Disconnect the two cable lugs of fan power supply
4. Release the retaining screws (four screws on FSH, and eight screws on FSJ)
out the fan unit(s)
5. Install the new fan unit(s) in the reverse sequence (tightening torque for the fixing screws:
3 Nm/26.5 lbf.in).
You have replaced the fan unit(s).
❒
SINAMICS G120XA converter
Operating Instructions, 03/2019, FW V1.0, A5E44751205B AB
①
.
④
.
Corrective maintenance
10.2 Replacing spare parts
②
.
③
and draw
837
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