Step1: Turn off the gas supply and allow the equipment to cool completely before servicing.
Step2: Remove the damaged valve knob by loosening the retaining screw from the gas valve stem.
Step3: Inspect the valve stem for wear, grease buildup, or damage before installing the new knob.
Step4: Align the new knob with the stem and secure it using the mounting screw provided.
Step5: Verify smooth rotation without binding or slipping.
Step6: Restore gas supply and test for safe, proper valve operation.