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Appendix C: Changing Orifices
To change the orifices, such as when derating for altitude, follow these steps.
1.Remove the side trim panels according to the directions on page 12 to gain access to the levers that secure the glass door, then remove the glass door according to the directions on page 7.
2.Disconnect the electrical connections and the gas line fitting from the fuel module.
3.Remove the cross log, the front logs, and the two ember strips following the directions on page 7.
4.Pull the module out an inch or so so that there is enough room to remove the rear log.
5.Remove the burner system module.
6.Pull the top tray forward so that it disengages; lift the front edge up, then remove it.
8.Remove the center burner.
9.Remove the front burner.
10.Remove the
11.Lift the rear air deflector straight up, and rock it forward.
12.Remove the orifice compartment cover; (before it can be removed, it may be necessary to use pliers to straighten the tab that goes throught the
13.Lift the orifice compartment dividers straight up to remove them for better access. When you re- install the dividers, make sure they are seated all the way in to prevent air leakage from one com- partment to another.
14.
