￭ Replacing the cooling fan of an inverter module
WARNING!
Read the safety instructions given in chapter Safety instructions. If you
ignore them, injury or death, or damage to the equipment can occur.
WARNING!
Wear protective gloves and long sleeves. Some parts have sharp edges.
1.
Repeat the steps described in section Electrical safety precautions (page 16).
2. Remove any shrouding in front of the cooling fan.
3. Disconnect the fan wiring.
4. Undo the two retaining screws (a).
5. Pull the fan outwards to separate it from the heat exchanger housing.
6. Install new fan in reverse order. Align the guide pins (b) at the rear of the fan cowling
with the slots (c) in the module bottom guide, then reinstall the retaining screws (a).
128 Maintenance
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