Step1: Switch off electrical supply and confirm the unit is fully isolated and cooled before opening.
Step2: Remove service panel and disconnect existing motor wiring, marking connections for reference.
Step3: Detach the old motor from its mount and lift it out without pressuring nearby components.
Step4: Position the new motor, align the shaft properly, and secure it firmly to the bracket.
Step5: Reconnect wiring as originally configured, reassemble the unit, restore power, and check smooth rotation during test run.