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10
REPLACE SPARK PLUG
Replace the spark plug each year to ensure
the engine starts easier and runs better. Set
spark plug gap at 0.025 inch (0.6 mm). Ig ni-
tion timing is fixed and nonadjustable.
NOTE: This spark ignition system complies
with the Canadian standard ICES--002.
1. Twist, then pull of f spark plug boot.
2. Remove spark plug from cylinder and dis-
card .
3. Replace with Champion RCJ-6Y spark
plug and t ighten securely with a 3 /4 inch
(19 mm) socket wrench.
4. Reinstall the spark plug boot.
SERVICE AND ADJUSTMENTS
LINE REPLACEMENT
1. Remove spool by firmly pulling on tap but-
ton.
2. Clean entire surface of hub and spool.
3. Replace with p re--wound spool, or cut a
length of 18 feet of 0. 065″ (1.65 m m) dia-
meter WEED EA TER b ra nd line.
WARNING: Never use wire, rope,
string,etc., whichcanbreak offandbecomea
dangerous missile.
4. Insert one end of the line about 1/2 inch (1
cm) into the small hole on the inside of
spool.
Small Hole
Spool
Hub
Line exit hole
Line in Notch
5. Wind the line evenly a nd tightly onto the
spool. Wind in the direction of t he arrow
found on the spool.
6. Push th eline i nto thenotches, l eaving3 to5
inches (7 -- 12 cm) unwound.
7. Insert the lines into the exit holes in the hub
as shown in the illustration.
8. Align the notch with the line e xit hole.
9. Push spool into hubuntil itsnaps intoplace.
10. Pull the line extending outside of the hub to
release it f rom the notch.
REPLACING THE TRIMMER HEAD
1. Ho ld the dust cup with a wrench to keep
theshaft f romturning while removingand
installing trimmer head.
Dust Cup
2. Remove trimmer head by turning counter-
clockwise (looking from bottom of unit).
3. Thread replacement trimmer head onto the
shaft by turning clockwise. O nly tig hten
hand tight!
CARBURETOR IDLE SPEED
ADJUSTMENT
WARNING: Keep others away when
making idle speedadjustments. The trimmer
head will be spinning during this procedure.
Wear your protectiveequipment andobserve
all safety precautions.
The carburetor has been carefully set at the
factory .Adjustments may benecessary ifyou
notice any of the following conditions:
S Engine will not idl e when the throttle i s re-
leased.
Make adjustments with the unit supported so
the cutting attachment is off the ground and
will not make contact with any object. Hold
theunit byhand w hilerunningandmakingad-
justments. Keep all parts of your body away
from the cutting attachment an d muf fler.
To adjust idle speed:
Allow enginetoidle. Adjustspeeduntilengine
runs without stalling (idle speed too slow).
S Turn idle speed screw clockwise to in-
creaseenginespeedif enginestalls ordies.
S Turn idle speed screw counterclockwise to
decrease engine speed.
Air Filter Cover
Idle Speed Screw
If yourequire furtherassistanceorareunsure
about performing this procedure, contact an
authorized service dealer or call
1--800--554--6723.