7. Position the lines in the guide slots.
8. Insert the ends of the lines through exit holes in the
sides of the cover.
9. Place the spool in the cover.
10. Make sure the lines are not caught between the rim of
the spool and the wall of the cover.
11. Reinstall the spool and cover onto the trimmer head.
Push until cover snaps into place.
REPLACING THE TRIMMER HEAD
CURVED SHAFT MODELS
1. Hold the dust cup with a wrench to keep the shaft from
turning while removing and installing trimmer head.
2. Remove trimmer head by turning counterclockwise
(looking from bottom of unit).
3. Thread replacement trimmer head onto the shaft by
turning clockwise. Tighten until secure.
STRAIGHT SHAFT MODELS
1. Align hole in the dust cup with the hole in the side of
the gearbox by rotating the dust cup.
2. Insert a small screwdriver into aligned holes. This
will keep the shaft from turning while removing and
installing trimmer head.
3. While holding the screwdriver in position, remove
trimmer head by turning clockwise (looking from
bottom of unit).
4. Thread replacement trimmer head onto the shaft by
turning counterclockwise. Tighten until secure.
5. Remove the screwdriver.
IDLE SPEED ADJUSTMENT
a WARNING: Keep others away when making idle
speed adjustments. The trimmer head will be spinning
during this procedure. Wear your protective equipment
and observe all safety precautions.
The carburetor has been carefully set at the factory.
Adjustment of the idle speed may be necessary if you
notice any of the following conditions:
• Engine will not idle when the throttle is released.
Make adjustments with the unit supported so the cutting
attachment is off the ground and will not make contact
with any object. Hold the unit by hand while running and
making adjustments. Keep all parts of your body away
from the cutting attachment and mufer.
TO ADJUST IDLE SPEED:
Start engine and allow to warm up 4-5 minutes while heavy
cutting, or 10-15 minutes moderate cutting. Allow engine
to idle. Adjust speed until engine runs without stalling (idle
speed too slow).
• Turn idle speed screw clockwise to increase engine
speed if engine stalls or dies.
• Turn idle speed screw counterclockwise to decrease
engine speed.
If you require further assistance or are unsure about
performing this procedure, contact an authorized service
dealer or call customer support.
STORAGE
DAILY STORAGE
• Allow engine to cool, and secure the unit before storing
or transporting.
• Store unit and fuel in a well ventilated area where fuel
vapors cannot reach sparks or open ames from water
heaters, electric motors or switches, furnaces, etc.
• Store unit with all guards in place. Position unit so that
any sharp object cannot accidentally cause injury.
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