Step1: Turn off gas and power supply; ensure appliance is cool before beginning work.
Step2: Remove hood or access panel; carefully locate existing orifice
Step3: Unscrew old orifice using correct wrench; avoid stripping threads to prevent damage.
Step4: Install new brass orifice; tighten gently to specification as per manufacturer specs.
Step5: Reassemble hood and check for gas leaks with soap solution and ensure no smell of gas.
Step6: Test ignition; ensure stable flame and secure operation before full use.