Step 7. Slide the pilot orifice into the NG position by pushing it toward
the opposite side of the pilot stem. The top side of the orifice
slider should appear silver and read NG. The gas supply is now
lined up with the NG orifice. See Figure 6.
Figure 6 - Adjust Orifice Slider to the NG Position
Step 10.
Install burner and log rack, and make sure air shutter is 1/8”
open.
Step 8.
Tighten the pilot stem by turning it clockwise, making sure the
orifice slider stays pushed into the NG position.
Step 9. Using a 1/2” open-end wrench, remove burner orifice. Replace
the #53 LP orifice with the #41 NG orifice. Make sure to use
pipe compound on the threads when installing the new orifice.
See Figure 7.
Figure 7 - Replace Burner Orifice
Figure 8 - Adjust Air Shutter
Air venturi Open
Air Shutter
1/2” End wrench
Burner Orifice
Orifice Slider
3
NOTE: DIAGRAMS AND ILLUSTRATIONS ARE NOT TO SCALE.