Stihl MS 241 C-M Instruction Manual - Page 42

English Thorough filter cleaning N Wash the filter in STIHL special- purpose cleaner (special accessory) or a clean, nonflammable cleaning liquid (e. g., warm soapy water) - rinse the filter from inside to out under a water jet - do not use high-pressure cleaners N Dry all filter parts - do not expose to extreme heat N Do not oil the filter N Reinstall filter Installing the air filter 1. 2. N Fit air filter N Press the air filter in the direction of the filter housing and simultaneously turn it clockwise until the air filter engages - the "STIHL" logo must be horizontal N Fit the shroud - see "Shroud" 2410BA017 KN Engine Management 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. M-Tronic Basic information M-Tronic regulates the fuel quantity and ignition timing for all operating states electronically. M-Tronic stands for easy, fast starting, constant optimum engine performance, outstanding acceleration and automatic adaptation to changes in operating conditions. Manual carburetor adjustments are no longer required - the carburetor does not have any adjusting screws. Automatic adjustment Under extremely changed operating conditions, attainment of the optimal setting can be accelerated as follows: N Carry out five uniform cuts to length under full load 40 MS 241 C-M