KitchenAid 720-0733A Installation Instructions And Use & Care Manual page 17

To Disconnect the 20 lb LP Gas Fuel Tank:
1. Check that the burner control knobs are in the "Off" position
and the grill is cool.
2. Check that the 20 lb LP gas fuel tank is in the "Off" position.
If not, turn the valve clockwise until it stops.
3. Using your hand, turn the gas pressure regulator/hose
assembly counterclockwise to disconnect to the 20 lb LP gas
fuel tank as shown.
Hand loosen only. Use of a wrench could damage the quick
coupling nut.
A
A. Gas pressure regulator/hose assembly
B. 20 lb LP gas fuel tank
4. Place dust cap on cylinder valve outlet whenever the
cylinder is not in use. Only install the type of dust cap on
the valve outlet that is provided with the cylinder valve.
Other types of caps or plugs may result in leakage of
propane.
B
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