0000-GXX-1220-A1
► 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.
► Carry out the standard setting.
► Adjust idle speed.
► Adjust carburetor for operation at high altitude.
► Adjust carburetor for cutting at temperatures below –10°C.
► 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.
► If manual fuel pump is fitted: Depress the manual fuel
pump at least 10 times before starting the engine.
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.
Poor acceleration
The chain is over-ten‐
sioned.
► Tension the chain properly.
Chain lubrication sys‐
tem is supplying
insufficient chain oil.
► Do not use the chainsaw and contact your STIHL
servicing dealer for assistance.
Saw chain does not
rotate when throttle is
opened.
The chain brake is
engaged.
► Disengage the chain brake.
The chain is over-ten‐
sioned.
► Tension the chain properly.
Bar nose sprocket is
blocked.
► Clean the bar nose sprocket with STIHL resin solvent.
Engine does not
reach maximum
power.
Spark arresting
screen in muffler is
dirty.
► Clean the spark arresting screen.
► If the park arresting screen is dirty or damaged: Con‐
tact a STIHL servicing dealer for assistance.
English
17 Repairing
22
0458-568-8321-B