Replacing The Circuit Board Compartment Fan - ABB ACS880-37 Hardware Manual

Replacing the circuit board compartment fan

￭
Frame R8i modules are equipped with a fan blowing air through the circuit board
compartment.
The fan is accessible from the front of the module.
WARNING!
Obey the safety instructions of the drive. If you ignore them, injury or death,
or damage to the equipment can occur. If you are not a qualified electrical
professional, do not do installation or maintenance work.
1. Stop the drive and do the steps in section
you start the work.
2. Open the door of the module cubicle.
3. Remove the two M4×12 (T20) screws which lock the fan holder.
4. Pull the fan holder out of the module.
5. Disconnect the fan cable.
5
6. Remove the four M3 (5.5 mm) nuts which hold the fan.
7. Remove the fan from the fan holder.
6
Electrical safety precautions (page 18)
4
3
7
Maintenance 165
before