Stihl FSA 90 Instruction Manual page 42

English
FSA 90 R
► Connect the carrying ring (2) to the carabi‐
ner (1).
If you are using a mowing head:
► Hold the trimmer with one hand on the control
handle – wrap your thumb around the control
handle.
► Hold the trimmer with your other hand on the
loop handle – wrap your thumb around the
loop handle.
If you are using a metal cutting attachment:
► Hold the trimmer with your right hand on the
control handle – wrap your thumb around the
control handle.
► Hold the trimmer with your left hand on the
loop handle – wrap your thumb around the
loop handle.
13.2 Setting the Power Level
The power level is infinitely variable to suit the
application. The higher the power level, the
faster the cutting attachment can run.
The selected power level affects the battery's
runtime. The lower the power level, the longer
the battery's runtime.
42
1
2
+
1
–
2
If the set wheel (1) is turned in "-" direction, the
trigger (2) can no longer be fully depressed. The
power level is lower. The cutting attachment
rotates at a lower RPM.
If the set wheel (1) is turned in "+" direction, the
trigger (2) can still be fully depressed. The power
level is higher. The cutting attachment rotates at
a higher RPM.
► Turn the set wheel (1) to the required position.
13.3 Mowing
The cutting height is determined by the distance
of the cutting attachment from the ground.
Mowing with a mowing head (A)
► Swing the brushcutter steadily back and forth
in an arc.
► Walk forward slowly and steadily.
Mowing with a grass cutting blade (B)
► Mow with the left part of the metal cutting
attachment.
► Walk forward slowly and steadily.
For optimum performance, observe the recom‐
mended temperature ranges,
13.4 Adjusting Nylon Line
13.4.1 Line Feed on AutoCut Mowing Head
► Tap the rotating mowing head on the ground.
About 30 mm of fresh nylon line is advanced.
The line limiting blade in the deflector trims the
mowing lines to the correct length.
13 Operating the Trimmer
1
2
A
21.4.
0458-709-9821-D
B