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2. Press and hold the locking/release button.
Locking/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
Button
Attachment
Guide Recess
WARNING: Make sure the locking/
release button is locked in the primary hole
and theknob is securely tightened before op-
erating the unit. A ll at ta 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
Eye protection
Long pants
Heavy shoes
ALWAYS WEAR:
Cut from your right to your left.
WARNING: Alwaysweareyeprotec-
tion. Never lean over the trimmer head.
Rocks ordebris canricochetorbethrowninto
eyes and face and cause blindness or other
serious injury.
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 l ess likely to “weld” on to the spool.
Always release the throttle trigger an d a llow the
engine 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.
TRIMMER LINE ADVANCE
Thetrimmerlinewilladvanceapproximately2
inches (5 cm) each time the bottom o f the
trimmerhead istappedon thegroundwiththe
engine running at full throttle.
The most efficient line length is the maximum
length allowed by the line limiter.
Always keep the shield inplacewhen thetool
is being operated.
To advance line:
S Operate the engine at full throttle.
S Holdthe trimmerheadparalleltoandabove
the g rassy area.
S Tap the bottom of the trimmer he ad lightly on
the ground one time. Approximately 2 inches
(5 cm) o f line will be advanced with each tap.
Always tap the trimmer head on a grassy
area. Tapping on surfaces such as concrete
or asphalt can cause excessive wear to the
trimmer head.
If the line is worn down to 2 inches (5 cm) or
less, more thanone tapwill berequired toob-
tain the most ef ficient line length.
WARNING: Use only 0.080 ″ (2mm)
diameter line. Other sizes of line will not ad-
vance properly and can cause serious injury.
Do not use other materials such as wire,
string, rope, etc. Wire can break off during
cutting and become a dangerous missile that
can cause serious injury.
CUTTING METHODS
WARNING: Use minimum speed
anddonot crowdthelinewhencuttingaround
hard objects (rock, gravel, fence posts, etc.),