Repairing; Troubleshooting - Stihl FS 240 R Instruction Manual

17 Repairing

16.2 Lubricating the gearbox
1
► 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.

18 Troubleshooting

18.1 Troubleshooting the Brushcutter
Most problems can be attributed to the same cause.
► Carry out the following measures:
► Replace the air filter.
► Clean or replace the spark plug.
► Adjust the idle speed.
► Adjust for winter or summer operation.
► If the problem continues: Carry out the measured listed below.
Fault
The engine does not
start.
The engine idles
erratically.
The engine stops
while idling.
Cutting attachment
runs while engine is
idling.
0458-891-0101-A
2
Cause
There is not enough
fuel in the fuel tank.
The engine has floo‐
ded.
The carburetor is too
hot.
The carburetor has
iced up.
The carburetor has
iced up.
The carburetor has
iced up.
Throttle cable adjust‐
ment is not correct.
Idle speed adjust‐
ment is not correct.
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.
Remedy
► Prepare fuel mix and refuel the trimmer.
► Start the engine with the choke lever in the position.
► Allow trimmer to cool down.
► Depress the manual fuel pump at least 10 times
before starting the engine.
► Allow brushcutter to warm up to +10°C.
► Allow brushcutter to warm up to +10°C.
► Allow brushcutter to warm up to +10°C.
► Adjust the throttle cable.
► Adjust the idle speed.
English
19