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17 Repairing
17.1
Repairing the Trimmer and
Cutting Attachment
The trimmer and cutting attachment cannot be
repaired by the user.
► If the trimmer or cutting attachment is dam‐
aged: Do not use your trimmer or cutting
18 Troubleshooting
18.1
Troubleshooting Trimmer
Most malfunctions have the same causes.
► Perform the following operations:
► Replace air filter.
► Clean or replace the spark plug.
► Carry out the standard setting.
► Adjust idle speed.
► Adjust carburetor for operation at high altitude.
► If the malfunction still exists: Take the action described in the following table.
Condition
Engine does not
start.
Engine idles errati‐
cally.
Engine stops while
idling
Cutting attachment
does not rotate prop‐
erly or rotates errati‐
cally.
18.2
Replacing the Air Filter
The air filter cannot be cleaned. The air filter
must be replaced if there is a loss of engine or
the air filter is damaged.
► Shut off the engine.
► Move the choke lever to position
2
1
1
20
Cause
Insufficient fuel in the
tank.
Engine is flooded.
Carburetor is too hot. ► Allow trimmer to cool down.
Carburetor is iced up. ► Allow trimmer to warm up to +10°C.
Carburetor is iced up. ► Allow trimmer to warm up to +10°C.
Carburetor is iced up. ► Allow trimmer to warm up to +10°C.
Connection between
flexible shaft and
powerhead or drive
tube is worn.
.
3
attachment and contact your STIHL servicing
dealer.
Remedy
► Prepare fuel mix and refuel the trimmer.
► Clear the combustion chamber.
► Before starting the engine: Depress the manual fuel
pump bulb at least ten times.
► Contact your STIHL servicing dealer for assistance.
► Take out the screws (1) and remove the filter
cover (2).
► Clean the area around the air filter (3) with a
damp cloth or a soft brush.
► Take out the air filter (3).
► Install the new air filter (3).
► Fit the filter cover (2).
► Insert and tighten down the screws (1) firmly.
17 Repairing
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0458-527-0121-B
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