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Operation
Before operating your machine, care-
fully read and understand all safety
(Section 1), controls (Section 3) and
operatinginstructions(Section4) inthis
Manual, in the separate EngineOwner's
Manual, and on the decals on the
machine.
Failure to follow these instructionscan
resultin seriouspersonalinjury.
INTRODUCTION
Readthis Sectionthoroughly beforeyou
start the engine. Aswith any pieceof
outdoor power equipment,getting the
"feel" for how your machineoperatesand
knowing the best techniquesfor partic-
ularjobs are important to overall good
performance.
NOTE: All references to LEFT, RIGHT,
FRONT and REAR of the machine are
determined by standing in the operator's
position.
PRE-STARTCHECKLIST
1. ReviewSection I: Safetyand also
Section3: Featuresand Controls.
2. Checkfor looseor missing hardware.
Tighten or replaceasneeded.
3. Checkthat the engine oil levelis up to
the "FULL" mark on the oil dipstick. (See
engine manualfor instructions.)*
4. Checkthe fuel level. (Seeengine
manualandthis pagefor instructions.)*
5. Checkthe Trimmer HeadControl Bail
and the EngineThrottle Control Leverfor
freedom of movement.
6. Selectthe cutting height (see"Adjust
LineCutting Height" in this Section).
7. Checkhandlebarheight position.
8. Onelectric start models, checkthe
wire harness connections.
9. Carefullycheckthe areato be
trimmed and remove anydebris.
10. Installthe correct diameter trimmer
line (see"UsetheCorrect Diameter
Trimmer Line" in this Section).
11. Checkthat the spark plug wire is
securelyattachedto the spark plug.
* Cleandebris from around fuel cap, oil
dipstick, and engine (see"Cleaning
Debris" in engine manual) before
checkingoil level oradding gasoline.
FILL FUEL TANK
GASOLINEIS HIGHLYFLAMMABLEAND
ITS VAPORSAREEXPLOSIVE.
Follow gasoline safety rules in this
Manual (see Section1) and in the sepa-
rate EngineOwner'sManual.
Failure to follow gasoline safety rules
and instructions can result in serious
personalinjuryand propertydamage.
1. Lift andtilt plastic debris shield
(E,Figure3-1) forward.
2. Cleanfuel fill areaand engine each
time beforefuel is added (see"Cleaning
Debris" in engine manual),
3. Add gasolineaccording to the direc-
tions in the engine manual. Follow all
instructions and safety rulescarefully,
4. Securely replacethe fuel tank capand
thefuel container cap. Promptly wipe up
anyfuel spills.
5. Lift andtilt thedebris shieldback,
then push it down to secureit,
ADJUST HANDLEBARHEIGHT
Beforeadjustinghandlebar height,stop
engine and wait for all movingparts to
stop, disconnect spark plug wire and
preventit from touching sparkplug.
Failure to comply could result in per-
sonalinjury or propertydamage.
To adjust handlebarheight, referto Install
Handlebarsin the AssemblySectionof this
Manual.
ADJUST LINE CUTTING HEIGHT
Beforeadjustingthe cuttingheight,shut
offthe engine, wait for all movingparts
to stop, allow the engine to cool, dis-
connectthe sparkplugwire and prevent
it from touching the spark plug.
Removekeyon electricstartmodels.
Failure to comply could result in per-
sonalinjury or propertydamage.
Thecutting height of the trimmer line can
beadjusted between 1-1/2" and4-1/2"
high. Start ata highersetting and make
adjustmentsas needed.
In general,usehigher height settingsto
handletaller material and to copewith
tougher cutting conditions. Useany trim-
ming height for less demandingcondi-
tions. To adjust the cutting height:
1. Thecutting line height canbe
changedwhen thewear cup is resting on
the ground. If necessary,tip the unit
backslightly for a better view (donot tip
unit all the way back or motor oil may
flow to the exhaustareaandtheengine
may smokefor severalsecondswhen
restarted).
2. Usea 1/2"wrench to loosen both
bolts (A, Figure4-1) securing thetrimmer
head. Donot try to loosen thetwo nuts.
Figure4=1
3. Thecutting heights are stampedinto
the spindle head (Figure4-2). Move the
top of the trimmer headto the desired
setting.
4. Tighten both trimmer head bolts
securelyand equally(to 75 in/Ibs.).
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