Firman P03504 Operator's Manual page 20

OPERATION
2. Flip the engine switch to"OFF"(O) position.
2S
Do not leave the generator until it has completely stopped.
3. Turn the fuel valve to the "OFF"(O) position.
If a cover is used, do not install until unit has cooled.
English 19 Customer Service: 1-844-FIRMAN1