10 Switching the Trimmer On/Off
10 Switching the Trimmer On/Off
10.1 Switching On
FSA 90
► Hold the trimmer firmly with your right hand on the control
handle – wrap your thumb around the handle.
► Hold the trimmer firmly with your the left hand on the left
handle – wrap your thumb around the handle.
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► Push the retaining latch (1) with your thumb to position
► Depress the trigger lockout (2) with your hand and hold it
there.
► Pull the trigger (3) with your index finger and hold it there.
The motor accelerates and the cutting attachment rotates.
The speed of the cutting attachment is controlled with the
trigger.
FSA 90 R
► Hold the trimmer firmly with one hand on the control
handle – wrap your thumb around the handle.
► Hold the trimmer firmly with the other hand on the loop
handle – wrap your thumb around the handle.
0458-709-9821-B
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► Push the retaining latch (1) with your thumb to position
► Depress the trigger lockout (2) with your hand and hold it
there.
► Pull the trigger (3) with your index finger and hold it there.
The motor accelerates and the cutting attachment rotates.
The speed of the cutting attachment is controlled with the
trigger.
10.2 Switching Off
► Release the trigger and trigger lockout lever.
► Wait for the cutting attachment to come to a standstill.
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► If the cutting attachment continues to rotate: Remove the
battery and contact your STIHL servicing dealer for
assistance.
The trimmer has a malfunction.
► Push the retaining latch into position
11 Testing the Trimmer and Battery
11.1 Checking the Controls
Trigger lockout lever and trigger
► Remove the battery.
► Push the retaining latch into position
► Attempt to pull the trigger without depressing the lockout
lever.
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