WARNING
■ The chain's cutters are very sharp. There is a
risk of cut injuries.
► Wear work gloves made of durable material.
► 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 Chainsaw
Most malfunctions have the same causes.
► Perform the following operations:
► Clean the air filter.
► Clean or replace the spark plug.
► Adjust saw for winter or summer operation.
► If the malfunction still exists: Take the action described in the following table.
Condition Cause Remedy
Engine does not
start.
Insufficient fuel in the
tank.
► Mix fuel and refuel the chainsaw.
Engine is flooded. ► Clear the combustion chamber.
Carburetor is too hot. ► Allow chainsaw to cool down.
Carburetor is iced up. ► Allow saw to warm up to +10°C.
Engine idles errati‐
cally.
Carburetor is iced up. ► Allow saw to warm up to +10°C.
Engine stops while
idling
Carburetor is iced up. ► Allow saw to warm up to +10°C.
English 17 Repairing
26 0458-890-8321-B. VA0.A21.
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