► Install a new spark plug.
Monthly
► Have fuel tank cleaned by a STIHL servicing
dealer.
► Have pickup body (filter) in fuel tank cleaned
by a STIHL servicing dealer.
Every 12 months
► Have pickup body (filter) in fuel tank replaced
by a STIHL servicing dealer.
16.2
Lubricating the gearbox
2
1
0000082409_002
► Remove screw plug (2).
► If no grease can be seen on the end of the
screw plug (2):
► Screw in the tube of STIHL gear lubri‐
cant (1).
► Squeeze 5 g of STIHL gear grease into the
gear housing.
► Unscrew the tube of STIHL gear lubri‐
cant (1).
► Refit and firmly tighten the screw plug (2) .
► Run the brushcutter for 1 minute without
load.
The STIHL gear lubricant is evenly distrib‐
uted.
16.3
Sharpening and Balancing a
Metal Cutting Attachment
Correctly sharpening and balancing metal cutting
attachments requires a lot of practice.
STIHL recommends you have metal cutting
attachments resharpened and balanced by a
STIHL servicing dealer.
► Sharpen the metal cutting attachment as
described in the instructions and on the pack‐
aging supplied with the cutting attachment you
are using.
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
attachment and contact your STIHL servicing
dealer.
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
Cause
Remedy
Engine does not
start.
Insufficient fuel in the
tank.
► Prepare fuel mix and refuel the trimmer.
Engine is flooded.
► Clear the combustion chamber.
Carburetor is too hot. ► Allow trimmer to cool down.
► Before starting the engine: Depress the manual fuel
pump bulb at least ten times.
Carburetor is iced up. ► Allow trimmer to warm up to +10°C.
Engine idles errati‐
cally.
Carburetor is iced up. ► Allow trimmer to warm up to +10°C.
Engine stops while
idling
Carburetor is iced up. ► Allow trimmer to warm up to +10°C.
17 Repairing
English
0458-507-0121-B
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