Stihl FS 250 R Product Instruction Manual - Page 46

Maintenance Chart Please note that the following maintenance intervals apply for normal operating conditions. If your daily working time is longer than normal or cutting conditions are difficult (very dusty work area etc.), shorten the specified intervals accordingly. Complete machine Control handle Air filter Pick up body in fuel tank Fuel tank Carburetor Spark plug Cooling inlets Spark arresting screen* in muffler All accessible screws and nuts (not adjusting screws) Anti-vibration element Visual inspection (condition, leaks) X X Clean X Check operation X X Clean Replace Check Replace Clean Check idle adjustment X X Readjust idle Readjust electrode gap Replace after about 100 operating hours Inspect X Clean Check Have replaced by servicing dealer1) Retighten Check X Have replaced by servicing dealer1) 1) STIHL recommends that this work be done by a STIHL servicing dealer * not in all versions, market-specific before starting work after finishing work or daily after each refueling stop weekly monthly every 12 months if problem if damaged as required English / USA X X X X X X X X X X X X X X X X X X X X FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R 45