STIHL MS 660 MAGNUM manual Maintenance and Care

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Maintenance and Care

The following information applies under normal operating conditions. The specified intervals must be
shortened accordingly when working for longer than normal each day or under difficult conditions			At the end of work and/or daily	Whenever tank is refilled
(extensive dust, highly resinous lumber, lumber from tropical trees, etc.). If the machine is only used
occasionally, the intervals can be extended accordingly.		Before starting work
					Weekly	Monthly	Yearly	If faulty	If damaged	As required
Complete machine	Visual inspection (condition, leaks)	X		X
	Clean		X
Throttle trigger, throttle trigger lockout, choke
lever, choke control, stop switch, master control	Function tests	X		X
lever (dependent on equipment)
Chain brake	Function tests	X		X
	Have checked by a specialist dealer1)									X
Manual fuel pump (if present)	Check	X
	Have repaired by a specialist dealer1)								X
	Check					X
Fuel pick-up body / filter in fuel tank	Clean, replace filter insert					X		X
	Replace						X		X	X
Fuel tank	Clean					X
Lubricating oil tank	Clean					X
Chain lubrication	Check	X
	Check, pay attention to sharpness	X		X
Saw chain	Check chain tension	X		X
	Sharpen									X
	Check (wear, damage)	X
Guide bar	Clean and turn over									X
	Deburr				X
	Replace								X	X
Chain sprocket	Check				X
Air filter	Clean							X		X
	Replace								X

MS 660 49