Button
Air Filter
Air Filter Cover
MUFFLER AND SPARK ARREST- ING SCREEN
WARNING: The muffler on this prod- uct contains chemicals known to the State of California to cause cancer.
As your unit is used, carbon deposits build up on the muffler and spark arresting screen.
For normal homeowner use, however, the muffler and spark arresting screen will not re- quire any service. After 50 hours of use, we recommend that your muffler be serviced or replaced by your authorized service dealer.
REPLACE SPARK PLUG
Replace the spark plug each year to ensure the engine starts easier and runs better. Inspect spark plug every 25 hours of usage. Clean and/or replace as necessary. Set spark plug gap at 0.025 inch (0.6 mm). Ignition tim- ing is fixed and nonadjustable.
1.Twist, then pull off spark plug boot.
2.Remove spark plug from cylinder and discard.
3.Replace with Champion
4.Reinstall the spark plug boot.
SERVICE AND ADJUSTMENTS
REPLACING THE LINE
1.Remove spool by firmly pulling on tap button.
2.Clean entire surface of hub and spool.
3.Replace with a
WARNING: Never use wire, rope, string, etc., which can break off and become a dangerous missile.
4.Insert ends of the lines about 1/2 inch (1 cm) into the small holes on the inside of spool.
Spool
Small
Holes
Line exit holes | Line in Notch |
10.Pull the lines extending outside of the hub to release the lines from the notches.
CARBURETOR ADJUSTMENT
WARNING: Keep others away when making idle speed adjustments. The trimmer head or any optional attachment will be spin- ning during most of this procedure. Wear your protective equipment and observe all safety precautions. After making adjustments, the trimmer head or any optional attachment must not move/spin at idle speed.
The carburetor has been carefully set at the factory. Adjustments may be necessary if you notice any of the following conditions:
S Engine will not idle when the throttle is released.
S The trimmer head or any optional attachment moves/spins at idle.
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 ad- justments. Keep all parts of your body away from the cutting attachment and muffler.
Idle Speed Adjustment
Allow engine to idle. Adjust speed until engine runs without trimmer head or any optional at- tachment moving or spinning (idle too fast) or engine stalling (idle speed too slow).
Hub
Line in Notch
S Turn idle speed screw clockwise to increase engine speed if engine stalls or dies.
5.Wind the line evenly and tightly onto the spool. Wind in the direction of the arrows found on the spool.
6.Push the lines into the notches, leaving 3 to 5 inches (7
7.Insert the lines into the the exit holes in the hub as shown in the illustration.
8.Align the notches with the line exit holes.
9.Push spool into hub until it snaps into place.
STurn idle speed screw counterclockwise to decrease engine speed if trimmer head or any optional attachment moves or spins at idle.
WARNING: Recheck the idle speed after each adjustment. The trimmer head or any optional attachment must not move or spin at idle speed to avoid serious injury to the operator or others.
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