Step1: Disconnect power supply and allow appliance to cool completely before starting for safety.
Step2: Remove access panel carefully and locate existing high-limit thermostat wiring connections.
Step3: Disconnect old thermostat, marking wire positions to ensure correct reconnection later.
Step4: Install new thermostat securely in mounting location ensuring firm electrical contact.
Step5: Reconnect wires exactly as labeled according to original configuration diagram.
Step6: Reassemble panel and restore power supply carefully after inspection.
Step7: Test manual reset operation and verify temperature cutoff operates correctly.