SECTION4: OPERATION
_ ARNING: Before
operatingyour machine,
carefullyreadand understand
allsafety (Section 1), controls
(Section3) and operating
instructions (Section4) in this
Manual,the separateEngine
Owner'sManual,and on the
decalson the machine.
Failureto follow these
instructionscan resultin
seriouspersonal injury.
INTRODUCTION
Readthis OperationSection andthe sepa-
rateEngine Owner'sManual before you
startthe engine.Then,take the time to fa-
miliarizeyourself withthe basicoperation
ofthe tiller before using it in the garden.
Findanopen, level areaand practice using
thetiller controls without thetines engag-
ingthe soil (put tines in "travel"setting).
Onlyafter you've becomecompletelyfa-
miliar with thetiller shouldyou beginusing
itin the garden.

BREAK-INOPERATION

Performthe following maintenanceafter
thefirst two (2) hoursof new operation
(seeMaintenance Sectionin this manual
andin the Engine Owner's Manual).
1. Changeengine oil.
2.Check for looseor missing hardware on
unit. Tighten or replace as needed.
3. Checktension on forward drive belt.
4. Checktransmission gear oillevel.
STARTING AND STOPPING
Pre-StartChecklist
Withthe spark plugwire disconnected
fromthe spark plug, performthe following
checksand services before each use:
1. Readthe Safetyand Controls Sections
inthis manual. Readthe separateEngine
Owner'sManual provided with the unit.
2. Putthe wheels inthe WHEELDRIVEpo-
sition (wheel pins must be through holes
in wheel hubs and wheel shaft).
3. Checkunit for loose or missing hard-
ware.Service as required.
4. Checkengineoil level. SeeEngineOwn-
er's Manual.
ReverseClutchControl
(Model634A)
ClutchBail ,epthRegulator

/

DrivePin
Fig. 4-1
5. Checkthat all safety guards and covers
arein place.
6. Checkair cleaner and engine cooling
system.See EngineOwner's Manual.
,_ WARNING: GASOLINEIS
HIGHLYFLAMMABLEANDITS
VAPORSAREEXPLOSIVE.
Followgasolinesafety rules in
this Manual (seeSection 1) and
inthe separateEngine Owner's
Manual.
Failureto follow gasolinesafety
instructionscan result in
seriouspersonal injury and
propertydamage.
7.Fill the fuel tank with gasoline according
to the directions in the separateEngine
Owner'sManual. Follow all instructions
andsafety rules carefully.
8. Attach spark plug wire to spark plug.
Startingthe Engine
Thefollowing steps describe how to start
andstop the engine.
,_ WARNING: Donotattempt
to engagethe tines or wheels
untilyou have readall of the
operatinginstructions in this
Section.Also, reviewthe safety
rulesin Section 1: Safety,and
thetiller and engine controls
information in Section3:
FeaturesandControls.
1.Complete the Pre-StartCheckliston this
page.
2. Putthe wheels inthe WHEEL DRIVEpo-
sition (seeWheelDrive Pinsin Section3 of
this manual).
,_ WARNING: Tohelp
preventserious personalinjury
or damagetoequipment:
• Before starting engine, put both
wheels in the WHEELDRIVE position.
Neverhave wheels in FREEWHEELpo-
sition when engine is running.When
thewheels are in FREEWHEEL,theydo
not hold backthe tiller and the tines
couldpropelthe tiller rapidly
forwardor backward.
•Before starting engine, put Forward
ClutchBail (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.
•Avoidenginemufflerand nearbyareas.
Temperaturesin these areas may ex-
ceed150° F.
3. Movethe Depth Regulator Lever all the
waydown to the "travel" position, so that
thetines clear the ground.
4. Releaseall controls on the tiller.
5. On engine's with a fuel shut-off valve,
turnvalve to openposition, as instructed
inthe separateEngine Owner's Manual.
6. Put ignition switch and/or throttle con-
trol lever located on engine in the "ON",
"RUN", "FAST"or "START"position, as in-
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 starterrope handle.Then
userecoil starter to start engine, as in-
structed in the EngineOwner's Manual.
Whenenginestarts, gradually move choke
lever(if so equipped) to "NO CHOKE",
"CHOKEOFF"or "RUN" position.
9. Usethe "FAST" throttle speed setting
whentilling.
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