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Reinstall the pilot and control tray by reversing the previous steps. Reattach the flexible gas hose to
the engine.
Step 11: Take the regulator spring out of the regulator by unscrewing the pressure adjustment knob
completely. Swap the regulator spring with the new spring that is supplied in conversion kitset.
Replace adjustment screw and reset gas pressure (detailed in section E6 “Checking the Gas Operating
Pressure” on page 20.
Step 12: Fit the appropriate burner collars to the burner for the correct gas type. Refer to the table at
the start of this section for more information about burner collars.
For a Natural gas to Propane/ULPG conversion remove the restrictor collars from the burners.
For a Propane/ULPG to Natural Gas conversion you will need to fit the natural gas restrictor collars.
These slide over the burner tube on the underside of the burners, and must be screwed into place so
that the porting holes line up.
Step 13: Reinsert the burners and fix them back in place with the burner clamps.