Step1: Disconnect power supply and ensure equipment is isolated.
Step2: Remove the access panel to reach the switch assembly area.
Step3: Label and disconnect all wiring terminals from the existing microswitch.
Step4: Remove mounting screws and carefully take out the old switch from the bracket.
Step5: Install the new microswitch in the same position, ensuring the actuator aligns with the door cam or rod.
Step6: Reconnect wiring, secure the panel, restore power, and test door actuation for proper switching response.