10.2.3.3
Replacing the fan unit, FSH/FSJ
Two external fan units are installed at the bottom of the converter.
Procedure
1. Switch off the converter power supply.
2. Release the fixing screws from one fan unit using a screwdriver (
①
). The screws are
captive.
3. Shift this fan unit from position "2" to position "1" (this is marked on the housing) (
②
).
The connector is simultaneously released.
4. Remove the fan unit from the converter (
③
).
5. Repeat steps 2 to 4 to remove the other fan unit.
6. Install the new fan units in the inverse sequence (tightening torque for the captive fixing
screws: 1.8 Nm/15.9 lbf.in).
You have replaced the fan unit.
❒
Corrective maintenance
10.2 Replacing spare parts
SINAMICS G120X converter
Operating Instructions, 06/2019, FW V1.01, A5E44751209B AC
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