STIHL MS 241 C-M manual Weekly

										English
The following information applies in normal operating conditions. The specified inter-
vals must be shortened accordingly when working for longer than normal or under		workstartingBefore	and/orworkofendtheAt daily	refilledistankWhenever	Weekly	Monthly	Yearly	faultyIf	damagedIf	requiredAs
difficult cutting conditions (extensive dust, highly resinous lumber, lumber from trop-
ical trees, etc.). If the machine is only used occasionally, the intervals can be
extended accordingly.
Air filter	Clean							X		X
	Replace								X
	Check	X						X
Anti-vibration elements
	Have them replaced by a servicing								X
	dealer1)
Air intake on fan housing	Clean		X		X					X
Cylinder fins	Clean		X			X				X
	Check idle adjustment – saw chain must	X		X
	not rotate
Carburetor
	If the saw chain rotates in idle, have the									X
	chain saw serviced by a servicing
	dealer1)
Spark plug	Adjust electrode gap							X
	Replace after 100 hours of operation									X
Accessible screws, nuts and bolts	Tighten2)									X
	Have checked by a specialist dealer1)							X
Spark arresting screen in muffler
	Have cleaned by a specialist dealer, or								X
	replaced if necessary1)
Chain catcher	Check	X
	Replace								X
	Decarbonise after 139 hours of opera-
Exhaust bore	tion, subsequently after every 150 hours									X
	of operation
Safety information label	Replace								X

1)STIHL recommends STIHL servicing dealers

2)During initial use of chain saws (with a power output of 3.4 kW or more), tighten the cylinder block screws after 10 to 20 hours of operation

MS 241 C-M 49