Step1: Disconnect electrical power to the appliance and follow lockout/tagout procedures.
Step2: Remove the control knob and access panel to expose the existing infinite switch.
Step3: Label all wire connections before disconnecting them from the old switch.
Step4: Remove the mounting hardware and take out the old switch.
Step5: Install the new infinite switch and secure it in the control panel.
Step6: Reconnect the wires to the corresponding terminals according to the wiring diagram.
Step7: Reinstall the knob and panel, restore power, and verify proper heat control operation.