176BA006 KN

In case of stubborn dirt or stuck filter fabric

NWash the filter in STIHL all-purpose cleaner 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

2

1

176BA007 KN

NFit the felt prefilter (1) over the HD filter (2), note installation position

NReinstall HD filter (with felt prefilter) and carburetor box cover

NCheck carburetor adjustment, correct if necessary

The felt prefilter protects the HD filter and increases its service life. Thus it should be replaced at shorter intervals than the HD filter.

Always replace a damaged filter.

English

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.

MS 880

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