Stihl BT 130 Earth Ice Auger Product Instruction Manual - Page 20

9912BA017 KN 9912BA018 KN English Replacing the Air Filter Engine Management Adjusting the Carburetor If there is a noticeable loss of engine power N Remove the padding on the handle frame Exhaust emissions are controlled by the design of the fundamental engine parameters and components (e.g. carburation, ignition, timing and valve or port timing) without the addition of any major hardware. The carburetor of the machine has been adjusted for optimum performance and fuel efficiency in all operating states at the factory. Setting the idle speed 1 N Unscrew the screw (1) and remove the filter cover (2) - screw is fastened in the filter cover so that it is secured against loss N Remove coarse dirt from inside the filter cover (2) and around the air filter (3) N Remove and examine the air filter (3) - replace if soiled or damaged N Fit the air filter (3) N Fit the filter cover (2) N Screw in the screw (1) and tighten N Fit the padding - see "Assembling the machine" Engine stops when idling N Turn the idle speed adjusting screw (LA) slowly clockwise until the engine runs smoothly. Auger turns when idling N Turn the idle speed adjusting screw (LA) slowly counterclockwise until the auger stops turning 18 BT 130