Snapper SW20 Series Operator's Manual page 6

Safety Rules & Information
Enclosed Areas
Only operate this unit outdoors and
away from unventilated areas such as
inside garages or enclosed trailers.
The engine emits poisonous carbon
monoxide gas and prolonged exposure
in an enclosed area can result in
serious injury or death.
4
Fuel and Maintenance
Always disengage all drives, shutoff the engine and
remove the key before doing any cleaning, refueling or
servicing.
Gasoline and its vapors are extremely flammable. Do not
smoke while operating or refueling. Do not add fuel while
engine is hot or running. Allow engine to cool for at least
3 minutes prior to adding fuel.
Do not add fuel indoors, in an enclosed trailer, garage or
other enclosed area that is not well ventilated. Gasoline
spills should be cleaned up promptly and before operation
begins.
Gasoline should be stored only in sealed containers
approved for fuel.
Proper maintenance is critical to the safety and
performance of your unit. Keep the unit free of
grass, leaves and excess oil. Be sure to perform the
maintenance procedures listed in this manual, especially
periodically testing the safety system.