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1. Loosen the coupler by tu rning the knob
counterclockwise.
Coupler
Knob
LOOSEN
TIGHTEN
Upper
shaft
Attachment
2. Press and hold the locking/release button.
L
ocking
/
release
button
Coupler
Upper shaft
Attachment
3. While securely holding the engine and
upper shaft, pull the attachment straight
out of the coupler.
INSTALLING OPTIONAL ATTACH-
MENTS
1. Remove the shaft cap from the attach-
ment (if present).
2. Position locking/release button ofattach-
ment into guide recess of coupler.
3. Pushtheattachmentintothecoupleruntil
the locking/release button snaps into t he
primary hole.
4. Beforeusing theunit,tightentheknobse-
curely by turning clockwise.
Coupler Primary hole
Upper shaft
Locking/
release
b
u
t
t
o
n
Attachment
Guide recess
WARNING: Make sure the locking/
release button is locked i n the primary hole
and theknob is securely tightened before op-
erating the unit. A ll atta c hment s are d esigned
to be used in the primary hole unless otherwise
stated in the applicable attachment instruction
manual. Using thewrong holecouldlead toseri-
ous injury or damage to the unit.
Locking/Release
Button in Primary Hole
OPERATING INSTRUCTIONS
It is recommended that the engine not be
operated for longer than 1 minute at full
throttle.
OPERATING POSITION
Cut onl
y
f
rom
y
our le
f
tto
y
our ri
g
ht.
ALWAYS WEAR:
Long pants
Heavy shoes
Eye protection
Hearing
protection
WARNING: Alwaysweareyeprotec-
tion. Never lean over the trimmer head.
Rocks ordebris canricochetorbethrowninto
eyes and face and cause blindness or other
serious injury.
When operating unit, stand as shown and
check for the following:
S Wear eye protection and heavy clothing.
S Holdtriggerhandlewithyourrighthandand
assit handle with left hand.
S Keep unit below waist level.
S Cut only from your left to your r ight to
ensure debris is thrown away from you.
Without bending over, keep line near and
parallel to the ground and not crowded into
material being cut.
Do not run the engine at a higher speed than
necessary. The cutting line will cut efficiently
when the engine is run at less than full throttle.
At lower speeds, there is less e ngine noise and
vibration. The cutting line will last longer and will
be less likely to “weld” onto the spool. Always
release the throttle trigger and allow the en-
gine to return to idle speed when not cutting.
To stop engine:
S Release the throttle trigger.
S Push and release the engine ON/STOP
switch.
CUTTING METHODS
WARNING: Use minimum speed
anddonot crowdthelinewhencuttingaround
hard objects (rock, gravel, fence posts, etc.),
whichcandamagethetrimmerhead,become
entangled in the line, or be thrown causing a
serious hazard.
S The tip of the line does the cutting. You will
achieve the best performance and mini-
mum linewear by not crowding the line into
the cutting area. The right and wrongways
are shown below.