STIHL MS 660 MAGNUM manual Remove air filter Cleaning the Air Filter Engine Management

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Remove air filter

Cleaning the Air Filter Engine Management

145BA027 K

NTurn the knob above the rear handle in the direction of the arrow and remove the carburetor box cover

145BA028 K

NRemove filter

If there is a noticeable loss of engine power:

NKnock out the filter or blow it clear with compressed air from the inside outwards

If knocking-out or blowing-out does not suffice, or in the case of stubborn dirt or stuck filter fabric, the filter must be subjected to a thorough cleaning.

Always replace a damaged filter.

Thorough filter cleaning

NWash the filter in STIHL special- purpose cleaner (special accessory) or a clean, non- flammable cleaning liquid (e.g., warm soapy water) – rinse the filter from inside to out under a water jet

– do not use high-pressure cleaners

NDry all filter parts – do not expose to extreme heat

NDo not oil the filter N Reinstall filter

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.

40 MS 660