WARNING
■ The chain's cutters are very sharp. There is a
risk of cut injuries.
► Wear work gloves made of durable mate‐
rial.
► File each cutter with a round file so that the
following points are observed:
–
Round file matches the chain pitch.
–
File from the inside to the outside of the cut‐
ter.
–
Hold the file at right angle to the guide bar.
–
Maintain a filing angle of 30°.
► File down the depth gauges with a flat file so
that they are level with the STIHL filing gauge
and parallel to the service mark. The STIHL fil‐
ing gauge must match the chain pitch.
► If you have any queries: Contact your STIHL
servicing dealer for assistance.
17 Repairing
17.1 Repairing the Chain Saw,
Guide Bar and Saw Chain
The chain saw, guide bar and saw chain cannot
be repaired by the user.
► If the saw, guide bar or saw chain is damaged:
Do not use your saw, guide bar or saw chain,
and contact your STIHL servicing dealer.
18 Troubleshooting
18.1 Troubleshooting the Chainsaw
Most problems can be attributed to the same cause.
► Carry out the following measures:
► Clean the air filter.
► Clean or replace the spark plug.
► Adjust to standard setting.
► Adjust the idle speed.
► Adjusting the carburetor setting for working at high altitude.
► Adjust carburetor for cutting at temperatures below –10 °C.
► If the problem continues: Carry out the measured listed below.
Fault Cause Remedy
The engine does not
start.
There is not enough
fuel in the fuel tank.
► Mix the fuel and top up the chainsaw.
The engine has floo‐
ded.
► Vent the combustion chamber.
The carburetor is too
hot.
► Allow the chainsaw to cool down.
► If a manual fuel pump is fitted: Press the manual fuel
pump at least 10 times before starting the engine.
17 Repairing English
0458-221-0121-B 27