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
Air intake on fan housing
Clean
X
X
X
Cylinder fins
Clean
X
X
X
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
Chain catcher
check
X
replace
X
Safety information label
replace
X
29 Minimize Wear and Avoid
Damage
Observing the instructions in this manual helps
reduce the risk of unnecessary wear and dam‐
age to the power tool.
The power tool must be operated, maintained
and stored with the due care and attention
described in this owner's manual.
The user is responsible for all damage caused by
non-observance of the safety precautions, oper‐
ating and maintenance instructions in this man‐
ual. This includes in particular:
–
Alterations or modifications to the product not
approved by STIHL.
–
Using tools or accessories which are neither
approved or suitable for the product or are of a
poor quality.
–
Using the product for purposes for which it
was not designed.
–
Using the product for sports or competitive
events.
–
Consequential damage caused by continuing
to use the product with defective components.
29.1
Maintenance Work
All the operations described in the "Maintenance
Chart" must be performed on a regular basis. If
these maintenance operations cannot be per‐
formed by the owner, they should be performed
by a servicing dealer.
STIHL recommends that you have servicing and
repair work carried out exclusively by an author‐
ized STIHL servicing dealer. STIHL dealers are
regularly given the opportunity to attend training
courses and are supplied with the necessary
technical information.
If these maintenance operations are not carried
out as specified, the user assumes responsibility
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
English
29 Minimize Wear and Avoid Damage
38
0458-550-0121-B
