Instruction manual

MM 55, MM 55 C
English
22
Maintenance and Care
The following maintenance intervals apply in normal operating conditions. The spec-
ified intervals must be shortened accordingly when working for longer than normal
or under difficult cutting conditions (extensive dust, etc.).
before starting work at the end of work and/or daily whenever tank is refilled weekly monthly yearly if faulty if damaged as required
Complete machine
visual inspection (condition, leaks) XX
clean X
Control handle Check operation XX
Air filter
clean XX
replace X
Fuel pick-up body in fuel tank
Check X
have them replaced by a specialist
dealer
1)
XXX
Fuel tank clean XX
Carburetor
Check idle adjustment, the working tool
must not turn
XX
readjust idle speed X
Spark plug
adjust electrode gap X
replace after every 100 hours of
operation
Intake port for cooling air
visual inspection X
clean X
Spark arrestor in muffler
have checked by a specialist dealer
1)
XX
have cleaned or replaced by a specialist
dealer
1)
XX
All accessible screws, nuts and bolts (not
adjusting screws)
retighten X
Safety information sticker replace X
1)
STIHL recommends STIHL servicing dealers