76 Maintenance
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Replacing the heat exchanger fan in the supply module cubicle
WARNING!
Wear protective gloves and long sleeves. Some parts have sharp edges.
1. Repeat the steps described in section
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).
a
Electrical safety precautions (page
c
b
35).