Step1: Disconnect power and gas supply, and ensure the oven is completely cool before servicing.
Step2: Remove the access panel carefully and label existing wiring connections for reassembly.
Step3: Detach old blower motor, support it properly, and remove mounting screws.
Step4: Install new motor, align shaft correctly, and secure all mounting points firmly.
Step5: Reconnect wiring per manufacturer diagram, ensuring all terminals are tight and insulated.
Step6: Replace panel, restore power, and test both speeds for proper operation and safety.