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SECTION4: OPERATION
_ ARNING: Before
operatingyour machine,
carefully readand understand
all safety (Section 1),controls
(Section 3) and operating
instructions (Section4) inthis
Manual,the separateEngine
Owner's Manual,and on the
decalson the machine.
Failureto follow these
instructions can result in
serious personalinjury.
INTRODUCTION
Readthis OperationSection andthe sepa-
rate EngineOwner'sManual beforeyou
start the engine.Then,take the time to fa-
miliarize yourself with the basic operation
of thetiller before usingit in the garden.
Findan open, levelareaand practice using
the tiller controls without thetines engag-
ing the soil (put tines in "travel" setting).
Onlyafter you've becomecompletely fa-
miliar with thetiller shouldyou beginusing
it in the garden.
BREAK-INOPERATION
Perform the following maintenanceafter
the first two (2) hours of new operation
(see MaintenanceSection in this manual
and in the Engine Owner'sManual).
1. Changeengine oil.
2. Checkfor looseor missinghardwareon
unit. Tighten or replaceas needed.
3. Checktension on forward drive belt.
4. Checktransmission gear oil level.
STARTING AND STOPPING
Pre-StartChecklist
With the spark plug wire disconnected
from the sparkplug, perform the following
checksand services beforeeach use:
1. Readthe Safetyand Controls Sections
in this manual. Readthe separateEngine
Owner's Manualprovidedwith the unit.
2. Putthe wheels inthe WHEELDRIVEpo-
sition (wheel pins must be through holes
in wheelhubs and wheelshaft).
3. Checkunit for loose or missing hard-
ware. Serviceas required.
4. Checkengineoil level.SeeEngineOwn-
er's Manual.
ReverseClutchControl
(Model634A)
ClutchBail
,epthRegulator
/
DrivePin
Fig. 4-1
5. Checkthat all safety guards andcovers
are in place.
6. Checkair cleanerand engine cooling
system. SeeEngineOwner's Manual.
,_ WARNING: GASOLINEIS
HIGHLYFLAMMABLEAND ITS
VAPORSAREEXPLOSIVE.
Followgasolinesafety rules in
this Manual(seeSection 1)and
in theseparateEngineOwner's
Manual.
Failureto follow gasoline safety
instructions can result in
serious personalinjury and
property damage.
7. Fillthe fueltank with gasolineaccording
to the directions inthe separate Engine
Owner's Manual.Follow all instructions
and safety rules carefully.
8. Attachspark plug wire to spark plug.
Startingthe Engine
Thefollowing steps describe how to start
and stop the engine.
,_ WARNING: Donot attempt
to engagethetines or wheels
until you havereadall of the
operatinginstructions in this
Section.Also, reviewthe safety
rules in Section 1:Safety,and
the tiller and enginecontrols
information in Section3:
Featuresand Controls.
1. Completethe Pre-StartCheckliston this
page.
2. Putthe wheels inthe WHEELDRIVEpo-
sition (seeWheelDrivePinsin Section3 of
this manual).
,_ WARNING: Tohelp
preventserious personal injury
or damageto equipment:
• Before starting engine, put both
wheels in the WHEELDRIVEposition.
Never havewheels in FREEWHEELpo-
sition when engine is running. When
thewheels arein FREEWHEEL,theydo
not hold backthe tiller and the tines
couldpropelthetiller rapidly
forwardor backward.
• Before starting engine, put Forward
Clutch Bail (all models) and Reverse
Clutch Control (Model 634A only) in
neutral (disengaged) positionsby re-
leasinglevers.
• Never run engine indoors or in en-
closed,poorlyventilatedareas. Engine
exhaustcontainscarbonmonoxide,an
odorlessanddeadlygas.
• Avoidenginemufflerandnearbyareas.
Temperaturesin these areas may ex-
ceed 150° F.
3. Movethe Depth RegulatorLeverall the
way down to the "travel" position, so that
thetines clear the ground.
4. Releaseall controls on the tiller.
5. Onengine's with a fuel shut-off valve,
turn valve to openposition, as instructed
in the separateEngine Owner'sManual.
6. Put ignition switch and/or throttle con-
trol leverlocated on engine in the "ON",
"RUN", "FAST"or "START"position, asin-
structed in the EngineOwner's Manual.
7. Chokeor prime engine,as instructed in
EngineOwner's Manual.
8. Put one hand on fuel tank to stabilize
unitwhen pulling starter ropehandle.Then
userecoil starter to start engine,as in-
structed in the EngineOwner's Manual.
Whenenginestarts, graduallymove choke
lever (if so equipped) to "NO CHOKE",
"CHOKEOFF"or "RUN" position.
9. Usethe "FAST"throttle speedsetting
whentilling.
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