Stihl TS 410 Instruction Manual - Page 44

English Replacing the air filter Only if there is a noticeable loss of engine power Always use original STIHL air filters. The high quality of these parts will ensure trouble free operation, a long service life for the engine and extremely long filter life. Engine Management Exhaust emissions are controlled by the design of the engine and components (e.g. carburation, ignition, timing and valve or port timing). 370BA028 KN 34 2 1 1 1 N Choke lever to c N Undo the screws (1) N Remove the filter cover (2) and clean it N Remove the main filter (3) N Remove the auxiliary filter (4) - ensuring that dirt does not enter the intake area N Clean the filter area N insert new auxiliary filter and new main filter N Refit the filter cover N Tighten down the screws 42 TS 410, TS 420