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► Blip the throttle trigger (5).
The slide control springs (3) to position . The
engine runs at idling speed.
► If the cutting attachment rotates when the
engine is idling: Rectify the malfunction.
Idle speed adjustment is not correct.
► If the engine does not start: Prepare the
engine for the start and then try again to start
the engine.
9.4
Stopping the Engine
1
2
► Release the throttle trigger (3) and lockout
lever (2).
The cutting attachment comes to a standstill.
► Move the slide control (1) to posi‐
tion
.
The engine stops.
► If the engine does not stop:
► Move the choke lever to position
The engine stops.
► Do not use your trimmer and contact your
STIHL dealer for assistance.
There is a malfunction in the slide control.
10 Testing the Trimmer
10.1
Checking the Controls
Throttle trigger lockout and throttle trigger
► Shut off the engine.
► Attempt to pull the trigger without depressing
the lockout lever.
► If the trigger can be pulled: Do not use your
trimmer and contact your STIHL dealer for
assistance.
There is a malfunction in the throttle trigger
lockout.
► Press down the throttle trigger lockout and
hold it there.
► Depress the throttle trigger.
► Release the throttle trigger and throttle trigger
lockout.
► If the trigger or trigger lockout is stiff or does
not spring back to the idle position: Do not use
your trimmer and contact your STIHL dealer
for assistance.
16
Trigger or trigger lockout is faulty.
Throttle cable adjustment
► Start the engine.
► Attempt to pull the trigger without depressing
the lockout lever.
► If the engine accelerates: Adjust the throttle
cable.
Throttle cable adjustment is not correct.
Stopping the engine
► Start the engine.
► Move the slide control to position
The engine stops.
► If the engine does not stop:
► Move the choke lever to position
3
► Do not use your trimmer and contact your
11 Operating the Trimmer
11.1
If you use the trimmer at high altitude, the engine
will not deliver optimum power. The carburetor
setting can be adjusted to obtain optimum
engine power.
.
► Start the engine.
► Warm up the engine by opening and closing
the throttle for about 1 minute.
NOTICE
■ If the trimmer is again used at a low altitude,
the engine may overheat.
► Carry out the standard setting.
► Rotate the high speed screw H clockwise
until the engine delivers optimum power.
The engine stops.
STIHL dealer for assistance.
There is a malfunction in the slide control.
Adjusting Carburetor for Opera‐
tion at High Altitude
H
10 Testing the Trimmer
.
.
0458-527-0121-B
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