Honda EU2200ITAN Owner's Manual page 19

INITIAL USE INSTRUCTIONS
3. After refueling, tighten the fuel filler cap until it clicks. Keep the fuel filler cap
vent lever OFF for storage or transport, and ON to run the generator.
OFF
ON
FUEL FILLER CAP
FUEL FILLER CAP VENT LEVER
Move the generator at least 10 feet (3 meters) away from the fueling source and
site before starting the engine.
After initial fueling (or anytime the generator is run completely out of fuel),
starting the engine may require additional pulls of the starter grip. This
generator utilizes a vacuum operated fuel pump and may require additional
pulls to draw fuel into the carburetor.
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