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20 Inspection and Maintenance
20.1 Inspection and Maintenance Chart
1)
 STIHL recommends an authorized STIHL servicing dealer
20 Inspection and Maintenance
The following maintenance intervals are examples and apply for normal 
operating conditions. Actual use and your experience will determine the 
frequency of required inspection and maintenance.
Before starting 
work
After finishing work
or daily
Whenever fueling
Weekly
Monthly
Yearly
Relevant Chapter
Complete Machine Visual inspection XX
Clean X @ 19.1
Controls Check function and condition XX @ 13.1
Fuel Tank Clean
1)
X
Fuel Pick-Up Body / Filter Clean
1)
X
Replace
1)
X
Air Filter Visual inspection X
Cutting Attachment Visual inspection XX
Check if properly and securely 
tightened
XX
Sharpen a metal cutting attachment X
Air intake on fan housing Clean XX
Cylinder fins Clean X
Spark arresting screen in muffler Check and Clean
1)
X
Spacer Check X
Gearbox Check, if grease is visible on the 
drive shaft before mounting a 
cutting attachment.
If grease is visible, check gear 
lubrication
1)
X