Troy-Bilt PRO LINE Bronco 644H User manual

0TRtlI BILT°
Operator's Manual
Rear-tine Tiller Models
644H--Bronco TM
645A--Bronco TM
Model 644H Shown (bumper syles vary)
IMPORTANT:READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered, brush-
covered or grass-covered land unless the engine's exhaust system is equipped with a spark arrester meeting applicable local or state laws (if any).
If a spark arrester is used, it should be maintained in effective working order by the operator. In the State of California the above is required by law
(Section 4442 of the California Public Resources Code). Other states may have similar laws. Federal laws apply on federal lands. A spark arrester
for the muffler is available by contacting the service department at Troy-Bilt LLC, P.O. Box 361131 Cleveland, Ohio 44136-0019.
TROY-BILT LLC, P.O. BOX 361131, CLEVELAND, OH 44136-0019
PRINTED IN USA FROM NO. 769-00585
(12/2002)

TABLE OF CONTENTS
Content Page
Calling Customer Support .................................................... 2
Safety ................................................................... 3
Assembly................................................................. 6
Features and Controls ....................................................... 10
Operation ................................................................ 13
Maintenance .............................................................. 19
Off-Season Storage ........................................................ 24
Troubleshooting ........................................................... 25
Parts List................................................................. 26
Warrany Information ........................................................ Back Cover
FINDINGMODELNUMBER
This Operator's Manual is an important part of your new Rear-tineTiller. It wilt help you assemble, prepare and
maintain the unit for best performance. Please read and understand what itsays.
Before you start assembling your new equipment, please locate the model plate on the equipment and copy the infor-
mation from it in the space provided below. This information is very important if you need help from our Customer
Support Department or an authorized dealer.
You can locate the model number by looking at the rear surface of the tine shield. A sample model plate is
explained below. For future reference, please copy the model number and the serial number of the equipment
in the space below
OTRII BILT" TROY-BILT LLC
P. O. BOX 361131
www.troybilt.com CLEVELAND,OH44136
330-558-7220
•866-840-6483j
Copy Model Number Here
Copy Serial Number Here
ENGINEINFORMATION
The engine manufacturer is responsible for all engine-related issues with regards to performance, power-rating, speci-
fications, warranty and service. Please refer to the engine manufacturer's Owner's/Operator's Manual packed sepa-
rately with your unit for more information.
CALLING CUSTOMER SUPPORT
If you have difficulty assembling this product or have any questions regarding the controls, operation or maintenance
of this unit, please call the Customer Support Department.
Call 1- [phone] or 1- [phone] to reach a Customer Support representative. Please have
your unit's model number and serial number ready when you call. See previous section to locate this
information. You will be asked to enter the serial number in order to process your call ..
2

nSafety
SPARKARRESTERWARNINGTORESIDENTSOFCALIFORNIAANDSEVERALOTHERSTATES
UnderCalifornia law,and underthe lawsof severalother states,you are not permittedto operatean
internal combustion engineusing hydrocarbonfuels on anyforest, brush, hay, grain, orgrass
covered land;or land covered byany flammableagricultural crop without an engine spark arrester in
continuous effectiveworking order.
Theengineon the unit is an internal combustion engine which burns gasoline,a hydrocarbon fuel, and must be equippedwith a
spark arrester muffler in continuous effectiveworking order. Thespark arrester must beattachedto the engine exhaustsystem in
such a manner that flames or heatfrom the systemwill not ignite flammable material. Failureof the owner/operator of the unitto
comply with this regulationis a misdemeanorunder California law (and other states) and may also bea violation of otherstate
and/or federalregulations, laws, ordinances or codes. Contactyour localfire marshal or forest servicefor specific information
aboutwhich regulations apply in your area.
Training
1. Carefullyreadthis
Owner's Manual,the
separateEngineOwner's
Manual, andany other literature you may
receive.Bethoroughly familiar with the
controls and the proper useof the tiller
and its engine. Know howto stop the unit
and disengagethe controls quickly.
2. Neverallow children to operatethe
tiller. Neverallow adults to operatethe
tiller without proper instruction.
3. Keepthe area of operation clearof all
persons, particularly children and pets.
4. Keepin mindthat the operator or user
is responsible for accidents or hazards
occurring to other people,their property,
and themselves.
Preparation
1. Thoroughly inspect theareawhere the
tiller isto be usedand removeall foreign
objects.
2. Besure all tiller controls are released
and both wheels are in the WheelDrive
position beforestarting the engine.
3. Do not operatethe tiller without
wearingadequateoutergarments. Avoid
loosegarments or jewelry that could get
caught in moving parts.
4. Do not operatethe tiller when barefoot
or wearing sandals,sneakers,or light
footwear. Wear protectivefootwear that
will improve footing on slippery surfaces.
5. Donot till near underground electric
cables,telephonelines, pipesor hoses. If
in doubt, contact your telephoneor utility
company.
6. Warning: Handlefuel with care; it is
highly flammableand its vapors are
explosive. Besureto takethe following
precautions:
a. Storefuel in containers specifically
designedfor this purpose.
b. Thegascap shall neverbe removed
or fuel addedwhile the engine is
running. Allow theengine to cool
for several minutes beforeadding
fuel.
C. Keepmatches,cigarettes,cigars,
pipes, openflames, and sparks
away from the fuel tank and fuel
container.
d. Fillfuel tank outdoors with extreme
care. Neverfill fuel tank indoors.
Usea funnel or spout to prevent
spillage.
e. Replaceall fuel tank and container
caps securely.
f. If fuel is spilled, do not attempt to
start the engine,but move the
machineaway from the areaof
spillage and avoidcreating any
source of ignition until fuel vapors
havedissipated.
7. Nevermakeadjustments whenengine
is running (unless recommendedby
manufacturer).
Operation
1. Do not put handsor feet nearor under
rotating parts. Thetines begin to rotate
oncethe engine starts and the Forward
Clutch Bail (or ReverseClutch Control) is
engaged.
2. Exerciseextremecaution whenon or
crossing gravel drives,walks, or roads.
Stay alertfor hidden hazardsor traffic. Do
not carry passengers.
3. After striking a foreign object, stop the
engine, removethe wire from the spark
plug and prevent it from touching the
spark plug, thoroughly inspectthe
machine for any damage,and repair the
damagebefore restartingand operating
the machine.
4. Exercisecaution to avoid slipping or
falling.
5. If the unit should start to vibrate abnor-
mally, stop theengine, disconnectthe
spark plug wire and prevent it from
touching the spark plug, and check
immediately for the cause.Vibration is
generallya warning oftrouble.
6. Stop the engine,disconnect the spark
plug wire and prevent it from touching
the spark plug wheneveryou leavethe
operating position, beforeunclogging the
tines, or when makingany repairs,adjust-
ments or inspections.

Section1: Safety
7. Takeall possible precautionswhen
leavingthe machine unattended.Stopthe
engine. Disconnectspark plug wire and
move it awayfrom the spark plug. Be
sure both wheels are in the WheelDrive
position.
8. Beforecleaning, repairing, or inspect-
ing,stop the engineand makecertain all
moving parts havestopped. Disconnect
the spark plug wire and prevent it from
touching the spark plug to prevent acci-
dentalstarting.
9. Theflap on the tine hood must be
down when operating thetiller.
10. Never usethe tiller unless proper
guards, plates,or other safety protective
devicesare in place.
11. Do not run engine in an enclosed
area.Engineexhaustcontains carbon
monoxide gas,a deadlypoisonthat is
odorless,colorless, and tasteless.
12. Keepchildren and pets away.
13. Never operatethetiller under
enginepowerifthewheels are in the
Freewheelposition.In the Freewheel
position,thewheels will not holdthe
tiller backandthe revolvingtines could
propelthetiller rapidly, possibly
causinglossofcontrol.Alwaysengage
the wheelswith thewheel drive pins in
the WheelDrive position beforestarting
the engine or engagingthetines/wheels
with the Forward Clutch Bail or the
ReverseClutchControl.
14. Beawarethat the tiller may unexpect-
edly bounce upwardor jump backward
and be propelled toward you if the tines
shouldstrike extremely hard packedsoil,
frozen ground, or buried obstacles like
largestones, roots, or stumps. If in doubt
about thetilling conditions, always use
the following operating precautionsto
assist you in maintaining control of the
tiller:
a. Walk behindand toone sideofthe
tiller, usingone handon thehan-
dlebars. Relaxyourarm, butusea
securehandgrip.
b. Usea deepdepthregulator
setting.
c. Useslowerengine speeds.
d. Clearthetilling area ofall large
stones,rootsandotherdebris.
e. Avoidusingdownwardpressure
on handlebars.If needbe, use
slightupwardpressuretokeepthe
tinesfrom diggingtoodeeply.
f. Beforecontactinghardpackedsoil
at the endofa row, reduceengine
speedand lift handlebarstoraise
tinesout ofthesoil.
g. In anemergency,stoptinesand
wheelsbyreleasingwhichever
clutchcontrolisengaged. Donot
attemptto restrainthetiller.
15. Do not overloadthetiller's capacity
by attempting to till too deeplyat too fast
a rate.
16. Neveroperatethetiller at high
transport speedson slippery surfaces.
Look behind and usegreat carewhen
backing up.
17. Do not operatethe tiller on aslope
that istoo steepfor safety.When on
slopes, slow down and makesureyou
havegood footing. Never permit the tiller
to freewheeldown slopes.
18. Neverallow bystanders nearthe unit.
19. Onlyuseattachments and acces-
sories that areapproved bythe manufac-
turer ofthe tiller.
20. Usetiller attachments and acces-
sories when recommended.
21. Neveroperatethetiller without good
visibility or light.
22. Neveroperatethetiller if youare
tired, or under the influence of alcohol,
drugs or medication.
23. Operatorsshall not tamper with the
engine-governorsettings on the machine;
the governor controls the maximum safe
operating speedto protect the engineand
all moving parts from damagecausedby
overspeed. Authorized serviceshall be
sought if a problem exists.
24. Do nottouch engineparts which may
be hot from operation. Let parts cool
down sufficiently.
25. Pleaseremember:You can always
stop the tines and wheels by releasingthe
Forward Clutchcontrol or the Reverse
Clutchcontrol (whichevercontrol you
haveengaged),or by moving the throttle
control leveron the engineto "OFF"or
"STOP".
26. To load or unload thetiller, seethe
instructions in Section4 of this Manual.
27. Useextremecaution when reversing
or pulling the machinetowards you.
28. Start the enginecarefully according to
instructions and with feet well awayfrom
the tines.
29. Neverpick up or carry a machine
whilethe engine is running.
MaintenanceandStorage
1. Keepthe tiller, attachments and acces-
sories in safeworking condition.
2. Checkall nuts, bolts, and screws at
frequent intervalsfor proper tightness to
besure the equipment is in safeworking
condition.
3. Neverstore the tiller with fuel in the
fuel tank insidea building where ignition
sourcesare present such as hot water
andspace heaters,furnaces, clothes
dryers, stoves,electric motors, etc.).
Allow engineto cool beforestoring in any
enclosure.
4. To reducethe chancesofa fire hazard,
keepthe enginefree of grass, leaves,or
excessivegrease.
5. Storegasoline in a cool, well-ventilated
area,safelyaway from any spark- or
flame-producing equipment. Store
gasolinein anapproved container,safely
awayfrom the reachof children.
6. Referto the Maintenancesections of
this Manualandthe separate Engine
Owner's Manualfor instructions if the
tiller isto be stored for an extended
period.
7. Neverperform maintenancewhile the
engine is running or the spark plug wire
is connected,exceptwhen specifically
instructed to do so.
8. If the fuel tank hasto be drained,do
this outdoors.

Section1: Safety
Decals
Foryour safety andthe safety of others,
various safety and operational decals are
located on your unit (see Figure 1 below).
Keepthe decals cleanand legible atall
times. Contactyour localservice dealer
or the factory for replacementsif any
decalsare damagedor missing.
Referto the separateparts catalog for
decallocations, part numbers and
ordering instructions.
ForwardClutchControl
OperatingInstruction
ReverseClutchControl
_OperaUngInstruction
StartingStabilization
Messageonengine
WarningMessages
onUnehood
HotSurfaces
Warningonbeltcover
Figure1:LocationofSafetyandOperatingDecals(Model 644Hshown).
OperatingSymbols
Various symbols (shown here,with word
descdptions) are used on the tiller andengine
(your unit may not haveall ofthe symbols).
FAST SLOW STOP
I÷l I÷1
CHOKE CHOKE
ON OFF
(--411
TILLERDIRECTION
R
REVERSE ROTATING
TINES
(-- o--->
LEVERDIRECTION
BAIL
ENGAGED BAIL DISENGAGED
TO AVOID SERIOUS INJURY:
READTHE OWNER'SMANUAL.
KNOWLOCATIONSANDFUNCTIONSOFALLCONTROLS.
KEEPALL SAFETYDEVICESAND SHIELDSIN PLACEANDWORKING.
NEVERALLOWCHILDRENOR UNINSTRUCTEDADULTSTO OPERATETILLER.
SHUTOFFENGINEANDDISCONNECTSPARKPLUGWIRE BEFOREMANUALLYUNCLOG-
GINGTINESORMAKINGREPAIRS.
KEEPBYSTANDERSAWAYFROMMACHINE.
KEEPAWAYFROMROTATINGPARTS.
USEEXTREMECAUTIONWHENREVERSINGORPULLINGTHEMACHINETOWARDSYOU.

I]Assembly
WARNING
To prevent personal injury or
property damage, do not start
the engine until all assembly
steps are complete and you
have read and understand the
safety and operating instruc-
tions in this manual.
Introduction
Carefullyfollow theseassembly steps to
correctly prepareyour tiller for use. It is
recommendedthat you readthis Section
in its entirety beforebeginning assembly.
NOTE: Enginesylesvary by model. The
engineon your tiller may appeardiffer-
ently than those shown in illustrations
and Figuresthroughout this manual.
Inspect unit
Inspect the unit and carton for damage
immediately after delivery. Contactthe
carrier (trucking company) if you find or
suspect damage. Inform them of the
damageand request instructions for filing
aclaim. To protect your rights, put your
claim in writing and mail a copy to the
carrierwithin 15 daysafter the unit has
beendelivered.
STEP1: UnpackingInstructions
1. Removeany cardboardinserts and
packagingmaterial from the carton.
Removeany staplesfrom the bottom of
thecarton and then lift the carton up and
off the unit.
2.Thetiller is heavyandyou should not
attempt to remove itfrom the shipping
platform until the handlebarsare
installed. Theprocedurefor removing the
tiller isexplained in Step3 of these
assembly steps.
NOTE:Becareful notto severelybendany
of the control cables on the unit.
3. Removeall unassembledparts and
the separatehardwarebag from the
carton. Checkthat you havethe items
listed below (contact your localdealer or
the factory if any items aremissing or
damaged). NOTE: Usethe screw length
template (Fig. 2-1) to identify screws.
LoosePartsList
Qty. Description
1 HandlebarSupport (seeA, Fig. 2-2,
page7)
1 HandlebarAssembly
(seeK, Fig.2-2)
Thefollowing itemsare in the
hardwarebag:
1 Slotted hd. screw, #10-24 x 2"
1 Hexhd. screw, 1/4-20x 1-1/4"
6 Curvedhd. screw, 5/16-18 x 1-1/2"
2 Hexhd. screw, 3/8-16 x 3/4"
2 Flatwasher,3/8"
6 Split Iockwasher,5/16"
1 Hexlocknut, 1/4"-20
6 Hexnut, 5/16"-18
2 Hexlocknut, 3/8"-16
1 Hexnut,#10-24
1 Spring, cable(seeW, Fig. 2-5,
page8)
1 Bracket,forward clutch cable (see
P,Fig. 2-5, page8)
1 Bracket,reverseclutch cable(see
BB,Fig. 2-8, page9).
IMPORTANT:Motoroil mustbeaddedto
the enginecrankcasebeforethe engine
isstarted. Followthe instructionsinthis
"Assembly" section.
NOTE:LEFTand RIGHTsides of the tiller
are asviewed from the operator's
position behindthe handlebars.
Tools]MaterialsNeededfor
Assembly
(1) 3/8" open-endwrench*
(2) 7/16" open-endwrench*
(1) ll2" open-endwrench*
(2) 9/16" open-endwrench*
(1) Largeadjustable wrench
(1) Scissors (to trim plasticties)
(1) Ruler (for belttension check)
(1) Block of wood (to support tiller
when removing wheels)
(1) Automotive-type air pressure gauge
(1) Cleanoilfunnel
(1) Clean,high-quality engineoil. Refer
to the EngineOwnerManualfor
engineoil specifications and quantify
required. Do not overfill.
*Adjustablewrenches may beused.
Figure2-1: Toidentifylengthofscrew,
placescrewontemplateasshownand
measuredistancebetweenbottomofscrew
headandtipofscrew.
6

STEP2: Attach Handlebar
1. Attachthe two legsofthe handlebar
support (A, Fig.2-2) loosely to the inner
sides of the tiller frame using two 3/8"-16
x 3/4" hexhd. screws (B), 3/8" flat
washers(C) and 3/8"-16 hex Iocknuts(D).
2. Using the middle holes inthe handlebar
support brackets (Eand F,Fig. 2-2),
loosely attachthe support brackets to the
handlebarsupport (A) using two 5/16"-18
x 1-1/2" curved hd. screws (G),5/16" split
Iockwashers (H)and 5/16"-18 hexnuts (I).
NOTE:If a support bracketwill not move,
loosenattaching screw (J) and nut.
3. Attach the handlebarassembly (K) to
the handlebarsupport (A) usingfour
5/16"-18 x 1-1/2" curved hd. screws (G),
5/16" split Iockwashers(H) and 5/16"-18
hex nuts (I). Tighten the four screws
securely.
4. Tighten all handlebar mounting
hardwaresecurely.
STEP3: MoveTiller OffShipping
Platform
To movethe tiller without theengine
running, putthe wheels in their
FREEWHEELposition, asdescribed below.
1. Usea sturdy block to raiseonewheel
off theground.
2. Removethe hairpin cotter (L, Fig.2-3)
and wheeldrive pin (M). Slide the wheel
inward on the wheelshaft (N). Reinstall
thewheel drive pin and hairpin cotter
through the wheelshaft only (not through
thewheel hub). Repeatwith the other
wheel.
3. Using the handlebaras a lever, roll the
tiller to aflat area.
IMPORTANT:Beforestarting the engine,
thewheels must be placedin their WHEEL
DRIVEposition (pins through wheel hubs
and wheelshaft). This procedureis
described in "Wheel Drive Pins" in
Section 3.
\B
C
D
Fig. 2-2: Attachhandlebar.
I
L
Fig. 2-3: Wheel in FREEWHEELING
position(wheel drivepin throughwheel
shaRonly).
Section2: Assembly

Section 2: Assembly
STEP4: Install ForwardClutchCable
1. Placethe forward clutch cablebracket
(P,Fig. 2-4) on the handlebarsupport (A).
Attachthe cablebracketusing a 1/4"-20 x
1-1/4" hexhd. screw (R, Fig. 2-4) and
1/4"-20 hexIocknut (S).Tighten securely.
2. Carefullyunwrap theforward clutch
cable (thecablewithout a knobattachedto
it) from its shipping position and slide the
thin cablewire (T, Fig. 2-4) into the slot in
thecablebracket. Pushthe cableconnector
(U, Fig.2-4) up through the hole in the
bracketuntil the groove in the connector
snaps into placeon the bracket.
8. Insertthe #10-24 x 2" slotted hd. screw
(V,Fig. 2-5) down intothe cablespring
(W). Thethreaded end of thescrew will
extend from the bottom of the spring.
4. Threadthe #10-24 hexnut (Z) on the
slottedheadscrew(V).Threadit halfwayup.
5. Threadscrew (V) into cableadjuster (X).
6. Hook cablespring (W, Fig. 2-6) into "V'-
shapedbend in theforward clutch bail (Y).
7. Lift and hold the Forward Clutchbail
against the handlebar.SeeFig. 2-7.
8. Measurethe lengthof the cablespring
betweenthe ends of the coils (Fig.2-7).
The lengthshould be approximately 1-7/8".
If the length is correct, turn the #10-24 hex
nut (Z) down tightly againstthe cable
adjuster (X) while holding theadjuster in
place. See Figure2-7. If the length is
incorrect, you must makean adjustment to
the cabletension as described in
"Checking andAdjusting ForwardDrive
BeltTension" in Section 5. Whenthe
spring length is correct, tighten the hexnut
(Z)against the cableadjuster (X).
STEP5: Install ReverseClutch
Cable
1. Removethetwo pre-installedself-tapping
screws (AA,Fig. 2-8) from the handlebars.
2. Positionthe reversecablemounting
bracket(BB, Fig.2-8) asshown and
reinstall thetwo self-tapping screws.
8. Unwrapthe reverseclutch cable(the
cablewith a knoband a large hex nut
attachedto it) from around its shipping
position and routethe cable(CC,Fig.2-8
and Fig.2-9) up to thecable bracket(BB,
Fig.2-8). Be surethat the cablegoes
beneaththe Forward ClutchBailas it is
routed upto the cablebracket.
8
R
Fig, 2-4: Installing forwardclutchcable bracketand cable.
W-- Fig,2-5:Assemble
springandadjuster,
V-- --Z
X--
Fig,2-6:Installforwardclutchcable,
Fig.2-7:Measurecablespring.

Section2: Assembly
4. Insertthe cableup through the slot in
the cablebracketand position the
threadedassembly asshown in Fig. 2-8.
Makesurethat theflat sideof the
threadedassembly is aligned with the flat
sideof the mounting hole. Slidethe large
hexnut (DD) upthe cableand tighten it
securely.
5. Usea cabletie (EE,Fig. 2-9) to fasten
the reverseclutch cableto the left side
handlebar.
6. Testthe function of the reverseclutch
cable by pulling the knob out and
releasingit. Theknob should return to its
neutralposition (resting against bracket)
when it is released. If it doesn't, contact
your localdealer or the factory for
technical assistance.
AA_ I
DD
FlatSide
Fig.2-8:Installreversecablemounting
bracketandthereverseclutchcable.
STEP6: CheckLevelof
TransmissionGearOil
Thetransmission was filled with gear oil
atthe factory. However,you should check
the gear oil levelto make certain it is
correct.
IMPORTANT:Do not operatethe tiller if
the gear oil levelis low. Doingso will
result in severedamageto the transmis-
sion components.
1. Putthe tiller on levelground. Pull the
Depth RegulatorLever (FF,Fig. 2-10)
backand then adjust it up or down to the
notch that makesthe tiller level.
2. Removethe oil fill plug (GG,Fig.2-11)
from the transmission housing and look
into theoil fill hole. You will seethe main
drive shaft on one sideof the hole.
8. The gearoil level is correct if the gear
oil isapproximately halfwayup the side of
the drive shaft.
4. If the gear oil level is low, add gear oil
by referringto "A. To Checkthe Transmis-
sion GearOil Level" in Section 5.
STEP7: Add Motor Oil to Engine
The tiller isshippedwithoutoil in the
engine.
IMPORTANT:Do not start the engine
without first adding motor oil. Severe
engine damagewill result if the engine is
run without oil.
1. Referto the EngineOwner's Manual
(suppliedwith tiller) for engine oil specifi-
cations and capacities.
2. With the tiller on levelground, pull the
Depth RegulatorLever (FF,Fig. 2-10)
backand then slide it up or downas
necessaryuntil the engine is level.
3. Add motor oil asdescribed in the
EngineOwner's Manual.
4. Move the Depth Regulator Leverall the
way down until the highest notch is
engaged. This placesthe tines in the
"travel" position.
Fig, 2-10: AdjustDepthRegulator Lever.
Fig.2-11:Removegearoilfillplug.
STEP9: CheckAirPressurein
Tires)
Usea tire pressuregauge to checkthe air
pressure in bothtires. Deflateor inflate
both tires equallyto 15-to-20 PSi
(pounds persquare inch). Be surethat
both tires areinflated equallyor the unit
will pull to one side.
IMPORTANT: This completes the
assembly steps. Before operatingyour
tiller, make sureyou readthe following
Sections in this Manual, aswell as the
separateEngineOwner's Manual:
•Section 1: "Safety"
• Section 3: "Featuresand Controls"
• Section 4: "Operation"
Fig. 2-9." Routereverseclutchcable(CC)as
shown. Attachtohandlebarwith cable tie
(EE).
STEP8: Check Hardware for
Tightness
Checkall nutsandscrewsfortightness.

n
FeaturesandControls
WARNING
Before operating your
machine, carefully read and
understand all safety, controls
and operating instructions in
this Manual, the separate
Engine Owner's Manual, and
on the decals on the machine.
Failure to follow these
instructions can result in
serious personal injury.
Forward ReverseClutch
ClutchBail Control
ulator
ight
Adjustment Anti-ReverseStake
DrivePin
(on eachwheel)
Figure3-1: Featuresandcontrols.
Introduction
This sectiondescribes the locationsand
functions of the controls on your tiller.
Referto the nextsection ("Operation")
for detailed operatinginstructions.
Practiceusingthese controls, with the
engineshut off, until you understandthe
operationof the controls and feel
confident with eachof them.
IMPORTANT:Referto the separate
engine manufacturer's EngineOwner's
Manualfor information about the
controls on the engine.
WheelDrivePins
WARNING
Never allow either of the
wheels to be in the
FREEWHEEL position when
the engine is running. Always
put both wheels in the WHEEL
DRIVE position before starting
the engine.
Failure to comply could cause
loss of tiller control, property
damage, or personal injury.
through the holesin the wheel shaft (not
thewheel hubs), thusallowing the wheels
to turn freely whenthe tiller is pushedor
pulled by hand.
To PlacetheWheelsin WHEELDRIVEor
FREEWHEEL:
1. Stop the engine,disconnect the spark
plug wire from the spark plug andallow
the engineto cool.
2. Raiseonewheel off theground and
placea sturdy support under the
transmission.
3. Removethe wheeldrive pin (A,
10
Eachwheel is equippedwith a Wheel
Drive Pin (A,Figures 3-2 and 3-3) that
securesthe wheelto the wheelshaft (B).
Thewheels canbe positioned in either a
WHEELDRIVEor a FREEWHEELmode.
Beforestarting the engine, put both
wheels in the WHEELDRIVEposition by
inserting theWheel Drive Pinsthrough
the wheelhubs and thewheel shaft. This
"locks" thewheels to the wheel shaft,
causing the wheelsto turn when either
the ForwardClutch Bailor the Reverse
ClutchControl is engaged.
Usethe FREEWHEELmode only whenthe
engine is not running. In FREEWHEEL,
theWheel Drive Pinsare placedonly
WARNING
Do not place the tiller on its
side when changing the wheel
drive positions as doing so
could result in gasoline
leaking from the fuel tank.
Failure to follow this instruc-
tion could result in personal
injury or propertydamage.
Figures3-2 and 3-3) byremoving the
hairpin cotter (C).