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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 on the 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 thetiller beforeusing it in the garden.
Findan open,levelareaand practiceusing
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-IN OPERATION
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 plugwire 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. SeeEngine
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 gasolinesafetyrules 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 theseparate Engine
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 Section 1: 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).
,_ WARNING: To help
prevent serious personalinjury
or damageto equipment:
• Beforestartingengine,potbothwheels
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, pot 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 ventilatedareas. Engine
exhaust contains carbon monoxide, an
odorlessand deadlygas.
• Avoidenginemufflerandnearbyareas.
Temperaturesin theseareas mayexceed
150° F.
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 enginein the "ON",
"RUN", "FAST"or "START"position, as in-
structed in the EngineOwner's Manual.
7. Chokeor prime engine,asinstructed in
EngineOwner'sManual.
8. Putone hand onfuel tank to stabilize
unit when pulling starter rope handle.
Thenuserecoil starter to start engine,as
instructed in the 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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