Step1: Shut off the gas supply and allow the equipment to cool completely before servicing.
Step2: Disconnect the old pilot adjustment valve from the tubing connection carefully.
Step3: Apply approved gas-rated thread sealant to threaded fittings if required by the manufacturer.
Step4: Install the new adjustable pilot valve and tighten all connections securely without overtightening.
Step5: Restore the gas supply, check all fittings with a leak-detection solution, and test the pilot flame adjustment for proper operation.