Step1: Turn off the range and allow all cooking surfaces to cool completely.
Step2: Pull the damaged timer knob straight off the timer control shaft carefully.
Step3: Inspect the timer shaft for grease buildup or damage before installing the new knob.
Step4: Align the new timer knob insert with the flat side of the control shaft.
Step5: Push the knob firmly into place until fully seated and secure.
Step6: Rotate the knob through all timer settings to confirm smooth operation and proper alignment.