Stihl MS 290 Instruction Manual page 42

English
The following maintenance intervals apply for normal operating conditions only. If your daily working
time is longer or operating conditions are difficult (very dusty work area, resin-rich wood, tropical
wood, etc.), shorten the specified intervals accordingly. If you only use the saw occasionally, extend
the intervals accordingly.
Cooling inlets
Cylinder fins
Carburetor
Spark plug
All accessible screws and nuts (not adjusting
2)
screws)
Spark arresting screen in muffler (not all markets)
Chain catcher
Safety labels
1)
STIHL recommends a STIHL servicing dealer.
2)
Firmly tighten down the cylinder base screws of professional saws (3.4 kW or more) after 10 to 20 hours of operation.
40
Clean
Clean
Check idle adjustment – chain must not rotate
Adjusting Idle Speed
Readjust electrode gap
Replace after 100 hours of operation
Retighten
1)
Check
1)
Clean, replace if necessary
Check
Replace
Replace
X
X X
X X
X
MS 290, MS 310, MS 390
X
X
X
X
X
X
X