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REPLACE
SPARK PLUG
Reptace the spark plug each year to
ensure the engine starts easier and
runs better. Set spark plug gap at
0.025 inch. Ignition timing is fixed and
nonadjustable.
1. Twist, then putt off spark plug boot.
2.
Remove spark plug fTom cylinder
and discard.
3.
Replace with Champion RCJ-6Y
spark plug and tighten securely with
a 3/4 inch socket wrench.
4,
Reinstall the spark plug boot,
LINE REPLACEMENT
1. Push and release the engine
STOP switch.
2.
Disconnect the spark plug wire.
3.
Remove spool by firmly pulling on
tap button.
4.
Clean entire surface of hub and
spool.
5.
Replace with a pre-wound spool
(#71-85930),
or cut two lengths of
12-1/2 feet (3.8 meters) of 0<080" (2
mm) diameter line.
_ilWARNING:
Never use wire,
rope, string, etc., which can break off
and become a dangerous
missile.
6.
Insert ends of line about t/2 inch
(1 cm) into the small holes on the
inside of the spool.
7.
Wind line evenly and tightly onto
spool. Wind in the direction of the
arrow on the spool.
8.
Push the Iine into the notches, leav-
ing 3 to 5 inches (7 - 12 cm) un-
wound.
g.
Insert the line into the exit holes in
the hub as shown in the illustration.
Line exit holes
\
Line in Notch
Line in Notch
10. Align the notches with the line exit
hotes.
1t. Push spool into hub until it snaps
into place.
12. Pull the lines extending outside of
the hub to release them from the
notches.
REPLACING
THE CUTTING
HEAD
1. Align hole in the dust cup with the
hote in the side of the gearbox by
rotating the dust cup<
2.
Insert a small screwdriver into
aligned holes. This will keep the
shaft f_om turning while removing
and installing trimmer head.
3.
While holding the screwdriver in
position, remove trimmer head by
turning clockwise.
4. Thread reptacementtrimmer
head
onto the shaft by turning counter-
clockwise. Tighten until secure.
5.
Remove the screwdriven
CARBURETOR
ADJUSTMENT
,_
WARNING:
Keep others away
when making idle speed adjustments.
The trimmer head wilt be spinning
dur-
ing this procedure.
Wear your protec-
tive equipment
and observe all safety
precautions.
The carburetor
has been carefully set
at the factory. Ad ustments
may be
necessary
if you notice any of the fo-
Iowing conditions:
• Engine will not idle when the throttle is
released.
Make adjustments
with the unit sup-
ported 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 adjust-
ments.
Keep aft parts of your body
away from the cutting attachment
and
muffler.
12
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