![NGP S421-C Owner'S Manual Download Page 11](http://html1.mh-extra.com/html/ngp/s421-c/s421-c_owners-manual_1685047011.webp)
11
Air Filter
Unclip the air filter cover and remove the sponge filter element.
To avoid objects falling into the air intake, replace the air filter cover.
DRAINING THE FUEL TANK AND CARBURETOR
1. Place an approved fuel container below the carburetor, and use a funnel to avoid spilling fuel.
2. Remove the drain bolt, then move the fuel valve lever (if fitted), to the ON position.
3. After all the fuel has drained into the container; reinstall the drain bolt and washer.
4. Tighten the drain bolt securely.
AIR CLEANER COVER
PAPER ELEMENT
FOAM ELEMENT