Maintenance And Care - Stihl FS 250 Instruction Manual

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Maintenance and Care

The following intervals apply to normal operating conditions only. If your daily work-
ing time is longer or operating conditions are difficult (very dusty work area, etc.),
shorten the specified intervals accordingly.
Complete machine
Control handle
Air filter
Manual fuel pump (if fitted)
Pickup body in fuel tank
Fuel tank
Carburetor
Spark plug
Cooling inlet
Exhaust port (FS 250 only)
3)
Spark arrestor in muffler
40
Visual inspection (condition, leaks)
Clean
Replace any damaged parts
Check operation
Visual inspection
Clean
Replace
Check
1)
Have repaired by servicing dealer
Check
Replace
Clean
Check idle adjustment – the cutting
attachment must not rotate
Adjust idle speed
Adjust electrode gap
Replace after every 100 operating hours
Visual inspection
Clean
1)
Have decoked by servicing dealer
first 139 hours of operation, then every
150 hours of operation
1)
Have checked by servicing dealer
Have cleaned or replaced by servicing
1)
dealer
X X
X
X
X X
X
X X
X
after
X
X X
X
X
X
X
X X
X X
X
X
X
FS 250, FS 250 R
X
X
X
X
X
X