Step1: Disconnect power supply and allow equipment to cool to prevent electrical shock or burns.
Step2: Remove rear or side access panel to expose the existing fan assembly.
Step3: Disconnect wiring harness, noting terminal positions and polarity before removal.
Step4: Unscrew and remove the old axial fan, checking mounting frame for damage or debris.
Step5: Install the new fan, ensuring correct airflow direction and secure mounting alignment.
Step6: Reconnect wiring firmly, reinstall panel, restore power, and test for smooth operation and airflow.