Stihl MS 151 TC, Instruction Manual

Page: 29 / 36

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.
Before starting work
At the end of work and/or daily
Whenever tank is refilled
Weekly
Monthly
Annually
If faulty
If damaged
As required
Carburetor Check idle adjustment – saw
chain must not rotate
X X
Set the idle speed; if required
have the chainsaw repaired
by a specialist dealer
1)
X
Spark plug Adjust electrode gap X
Replace after 100 hours of
operation
Accessible screws and nuts
(except adjusting screws)
Tighten
2)
X
Spark arresting screen in muf‐
fler
Check if installed X
Check or replace
1)
X
Chain catcher check X
replace X
Safety information label replace X
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
24 Maintenance and Care English
0458-508-8321-B 29