Stihl MS 171 Instruction Manual page 40

English
The following maintenance intervals apply for normal operat‐
ing conditions only. When working under difficult conditions
(high accumulation of dust, highly resinous lumber, lumber
from tropical trees, etc.) or longer than normal each day, the
specified intervals must be shortened accordingly. If you only
use the tool occasionally, extend the intervals accordingly.
Chain lubrication
Saw chain
Guide bar
Chain sprocket
Air filter
Anti-vibration elements
Air intake on fan housing
Cylinder fins
Carburetor
Spark plug
Accessible screws and nuts
(except adjusting screws)
Chain catcher
Safety information label
1)
STIHL recommends STIHL servicing dealer
2)
When using professional chainsaws (with a power output of 3.4 kW or more) for the first time,
tighten the cylinder block screws after 10 to 20 hours of operation
40
check
Check, pay attention to
sharpness
Checking the chain tension
sharpen
Check (wear, damage)
Clean and turn over
Deburr
replace
check
Clean
replace
check
Have replaced by servicing
1)
dealer
Clean
Clean
Check idle adjustment – saw
chain must not rotate
Set the idle speed; if required
have the chainsaw repaired
by a specialist dealer
Adjust electrode gap
Replace after 100 hours of
operation
2)
Tighten
check
replace
replace
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30 Maintenance and Care
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