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SECTION4: OPERATION
WARNING: Before ReverseClutchControl
operatingyour machine, (Models634F/634B)
carefully readand understand
all safety (Section 1),controls
(Section 3) and operating
instructions (Section 4) inthis
Manual,the separateEngine
Owner's Manual,and onthe Clutch Bail
decalson the machine.
Failureto follow these
instructions canresult in
serious personalinjury.
INTRODUCTION
Readthis OperationSection and the sepa-
rate EngineOwner's Manualbeforeyou
start the engine. Then,takethe time to fa-
miliarize yourself with the basicoperation
of the tiller beforeusing it in the garden.
Findan open,levelareaandpracticeusing
thetiller controls without thetines engag-
ing the soil (put tines in "travel" setting).
Onlyafter you've becomecompletely fa-
miliar with thetiller shouldyoubegin using
it in the garden.
BREAK-INOPERATION
Perform the following maintenanceafter
thefirst two (2) hours of newoperation
(seeMaintenanceSection in this manual
and in the EngineOwner's Manual).
1. Changeengineoil.
2. Checkfor looseor missing hardwareon
unit. Tightenor replaceas needed.
3. Checktension on forward drive belt.
4. Checktransmission gear oil level.
STARTINGANDSTOPPING
Pre-StartChecklist
With the spark plug wire disconnected
from the spark plug,perform thefollowing
checksand services beforeeachuse:
1. Readthe Safetyand ControlsSections
in this manual. Readthe separateEngine
Owner'sManual providedwith the unit.
2. Putthewheels in theWHEELDRIVE
position (wheel pins must be through
holes in wheel hubsand wheel shaft).
3. Checkunit for loose or missing hard-
ware. Serviceas required.
4. Checkengineoil level. See Engine
Owner'sManual.
Pin
Fig.4-1
5. Checkthat all safetyguardsand covers
are in place.
6. Checkair cleanerand enginecooling
system. SeeEngineOwner'sManual.
WARNING: GASOLINEIS
HIGHLYFLAMMABLEAND ITS
VAPORSAREEXPLOSIVE.
Follow gasolinesafety rules in
this Manual(seeSection1) and
in the separateEngineOwner's
Manual.
Failureto follow gasolinesafety
instructions can result in
serious personalinjury and
property damage.
7. Fillthefueltank with gasolineaccording
to the directions in the separateEngine
Owner'sManual. Followall instructions
and safety rules carefully.
8. Attach spark plug wireto spark plug.
StartingtheEngine
Thefollowing steps describe how to start
and stop the engine.
WARNING: Donotattempt
to engagethetines or wheels
until you havereadall ofthe
operatinginstructions in this
Section. Also, reviewthesafety
rules in Section1: Safety,and
the tiller and enginecontrols
information in Section3:
Featuresand Controls.
1. Completethe Pre-Start Checklist on
this page.
2. Putthe wheels inthe WHEELDRIVEpo-
sition (seeWheeIDrivePinsinSection 3 of
this manual).
_ ARNING: To help
prevent serious personalinjury
or damageto equipment:
• Beforestartingengine,putbothwheels
in the WHEELDRIVE position. Never
have wheels in FREEWHEELposition
when engine is running. When the
wheels are in FREEWHEEL,they do not
hold backthe tiller and the tines could
propelthetiller rapidly
ward orbackward.
• Before starting engine, put Forward
Clutch Bail (all models) and Reverse
ClutchControl(Models 634F/634Bonly)
in neutral(disengaged) positionsby re-
leasing levers.
• Never run engine indoorsor in en-
closed, poorly ventilated areas. Engine
exhaust containscarbon monoxide, an
odorlessand deadlygas.
• Avoidenginemufflerandnearbyareas.
Temperaturesin theseareas mayexceed
150oF.
3. Movethe Depth RegulatorLeverall the
way down to the "travel" position, sothat
thetines clearthe ground.
4. Releaseall controls on thetiller.
5. On engine'swith a fuel shut-off valve,
turn valve to open position, as instructed
in the separateEngineOwner's Manual.
6. Putignition switch and/or throttle con-
trol leverlocated on engine in the "ON",
"RUN", "FAST"or "START"position, as in-
structed inthe EngineOwner's Manual.
7. Chokeor prime engine,asinstructed in
EngineOwner'sManual.
8. Putone hand on fuel tank to stabilize
unit when pulling starter rope handle.
Thenuserecoil starter to start engine,as
instructed inthe EngineOwner's Manual.
Whenenginestarts, graduallymove choke
lever (if so equipped) to "NOCHOKE",
"CHOKEOFF"or "RUN" position.
9. Usethe "FAST"throttle speedsetting
whentilling.
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