Step1: Power off and unplug the appliance completely to avoid electrical hazards.
Step2: Remove the access panel to access the blower motor assembly.
Step3: Disconnect wiring and mounting screws from the old motor carefully.
Step4: Slide out the old motor and remove it along with its shaft.
Step5: Install the new motor with the shaft in the same position.
Step6: Reconnect all wires following the original configuration.
Step7: Secure mounting screws and panel, then test both blower speeds for proper operation.