Figure 5-1.3. Top Shell
Unscrew counter-clockwise and remove the Igniter Hatch.
Use a 1/4" nut driver, or 1/4" socket to remove nine (9) self tapping screws and two (2) machine screws and
detach Top Shell. Lift off Top Shell.
Note: The Top Shell has gaskets on its underside which may have become
compressed during use. Some careful prying of the Top Shell may be required to
release the gaskets.