Sears Craftsman 944.629541 User manual

SHAR$
OWNER'S
MANUAL
MODEL NO.
944.629541
Caution:
Read and follow
all Safety Rules
and Instructions
Before Operating
This Equipment
[RAFTSMAN+
5.5 HP
24INCHTINEWIDTH
FRONTTINETILLER
•Assembly
•Operation
•Customer Responsibilities
•Service and Adjustments
•Repair Parts
Sears Canada, Inc., Toronto, Ontario M5B 2B8
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ASAFETY RULES A
Safe Operation Practices for Walk-Behind Powered Rotary Tillers
TRAINING
•Read the Owner's Manual carefully. Be thoroughly
familiar with the controls and the proper use of the
equipment. Know howtostopthe unitand disengagethe
controls quickly.
• Never allow children to operate the equipment. Never
allow adults to operate the equipment without proper
instruction.
•Keepthe area ofoperation clear ofall persons, particu-
larlysmall children, and pets.
PREPARATION
•Thoroughly inspect the area where the equipment isto
be used and remove all foreign objects.
•Disengage all clutches and shift into neutral before
startingthe engine (motor).
•Do notoperate theequipment withoutwearing adequate
outergarments. Wear footwear thatwillimprovefooting
on slippery surfaces.
•Handle fuel with care; it is highlyflammable,
•Use an approved fuel container.
•Never add fuel to a runningengine or hot engine,
•Fillfuel tank outdoors with extreme care. Never fillfuel
tank indoors.
•Replece gasoline cap securely and clean upspilledfuel
before restarting.
•Use extension cords and receptacles as specified by
the manufacturer for all unitswith electricdrive motors
or electric starting motors.
•Never attempt to make any adjustments while the
engine (motor) is running (except where specifically
recommended bymanufacturer).
OPERATION
•Do not put hands or feet near or under rotatingparts.
•Exercise extreme cautionwhen operatingon orcrossing
gravel drives, walks, or roads. Stay alert for hidden
hazards or traffic. Do not carry passengers.
•After striking a foreign object, stop the engine (motor),
remove the wire from the spark plug,thoroughlyinspect
thetiller forany damage, and repairthe damage before
restarting and operating the tiller.
•Exercise caution to avoid slipping or falling.
•If the unit should start to vibrate abnormally, stop the
engine (motor) and check immediately for the cause.
Vibration isgenerally a warning oftrouble.
•Stop the engine (motor) when leaving the operating
position._ "
•Take allpossibleprscautions when leavingthe machine
unattended. Disengage the tines, shiftintoneutral, and
stop the engine.
•Before cleaning, repairing, or inspecting, shut off the
engine and make certain ellmoving parts havestopped.
Disconnect the spark plugwire, and keepthe wire away
from the plugtOprevent accidental starting.Disconnect
the cord on electric motors.
•Do not run the engine indoors; exhaust fumes are
dangemus.
• Never operate thetillerwithout proper guards, plates, or
other safety protective devices in place.
• Keep children and pets away.
• Do not overload the machine capacity by attempting to
till too deep at too fast a rate.
• Never operatethe machine at high speeds on slippery
surfaces. Look behind and use care when backing.
• Neverallowbystandersnear the unit.
• Use onlyattachments and accessories approved by the
manLlfacturer of the tiller.
• Never operate the tiller without good visibility or light.
• Be careful when tilling in hard ground. The tines may
catch in the ground and propel the tiller forward. If this
occurs, let go of the handlebars and do not restrain the
machine."
MAINTENANCE AND STORAGE
•Keep machine, attachments, and accessories in safe
workingcondition.
•Check shear pins, engine mounting bolts, and other
boltsatfrequent intervalsfor propertightness tobe sure
the equipment is insafe working condition.
•Never store the machine with fuel inthe fuel tank inside
a buildingwhere ignition sources are present, such as
hot water and space heaters, clothes dryers, and the
like. Allow the engine to cool before storing in any
enclosure.
•Always refer to the operator's guide instructions for
important details if the tiller is to be stored for an
extended pedod.
- IMPORTANT-
CAUTIONS, IMPORTANTS, AND NOTES ARE A MEANS
OF ATTRACTING ATTENTION TO IMPORTANT OR
CRITICAL INFORMATION IN THIS MANUAL.
IMPORTANT: USED TO ALERT YOU THAT THERE IS A
POSSIBILITY OF DAMAGING THIS EQUIPMENT.
NOTE: Gives essential informationthatwiUaid youtobetter
understand, incorporate, or execute a particular set of
instructions.
Lookfor this symbolto point out important
safety precautions. It means
CAUTIONI!! BECOME ALERTI!! YOUR
SAFETY IS INVOLVED.
ACAUTION: Alwaysdisconnectsparkplug
wire and place wire where itcannot contact
spark plug in order to prevent accidental
starting when setting up transporting,
adjust ng or making repairs.
A WARNING A
The engine exhaust from this product contains
chemicals known to the State of California to
cause cancer, birth defects, or other
reproductive harm,
2
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CONGRATULATIONS onyour purchase ofa Sears Tiller.
Ithasbeen designed, engineered and manufactured togive
you the best possible dependability and performance.
Should you experience any problems you cannot easily
remedy, please contact your nearest authorized Sears
Service Centre/Department. They have competent, well-
trained technicians and theproper toolstoservice or repair
this unit.
Please read and retain this manual. The instructionswill
enable you to assemble and maintain your tiller properly.
Always observe the "SAFETY RULES".
MODEL
NUMBER 944.629541
SERIAL
NUMBER
DATE OF
PURCHASE
THE MODEL AND SERIAL NUMBERS WILL BE
FOUND ON THE MODEL PLATE ATTACHED TO
THE RIGHT HAND ENGINE BRACKET.
YOU SHOULD RECORD BOTH SERIAL NUMBER
AND DATE OF PURCHASE AND KEEPIN A SAFE
PLACE FOR FUTURE REFERENCE.
PRODUCT SPECIFICATIONS
HORSEPOWER:
DISPLACEMENT:
GASOLINECAPACITY:
OIL(API-SF/SG/SH):
CAPACITY:20 oz. [0.6L])
SPARKPLUG :
(GAP: .030"[0,76mm])
5.5 HP
13 cu. in.(221cc)
3 Quarts (2,8L)
Unleaded Regular
SAE 30 (Above32°F)
SAE 5W-30 (Below32°F)
Champion
RJ19LM
MAINTENANCE AGREEMENT
A Sears Maintenance Agreement is available on this
prod_Jct.Contact your nearest Sears store for details.
CUSTOMER RESPONSIBILITIES
•Read and observe the safety rules.
•Followa regularschedule inmaintaining, caringforand
usingyour tiller.
•Follow the instructions under "Customer
Responsibilities"and "Storage" sectionsofthisOwner's
Manual.
IMPORTANT: THIS UNIT IS EQUIPPED WITH AN INTERNAL COMBUSTION ENGINEAND S'HOULD 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.
SEE YOUR SEARS AUTHORIZED SERVICE CENTRE/DEPARTMENT FOR SPARK ARRESTER. REFER TO THE REPAIR
PARTS SECTION OF THIS MANUAL FOR PART NUMBER.
3
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i i i I i
TABLEOF CONTENTS
SAFETY RULES ........................................................... 2
CUSTOMER RESPONSIBILITIES ...................... 3, 11-13
PRODUCT SPECIFICATIONS ....................................... 3
WARRANTY .................................................................. 4
ASSEMBLY ................................................................ 5-6
OPERATION ............................................................. 7-10
MAINTENANCE SCHEDULE ....................................... 11
SERVICE & ADJUSTMENTS .................................. 13-16
STORAGE ................................................................... 17
TROUBLESHOOTING ................................................. 18
REPAIR PARTS-TILLER ......................................... 19-24
REPAIR PARTS-ENGINE ............................ ,.., ........ 25-29
SERVICE/PARTS ORDERING ................. BACK COVER
I I
LIMITED TWO (2) YEAR WARRANTY ON CRAFTSMAN TILLER
ForTwo (2) yearsfrom dateof purchaseSears Canada, Inc.willrepairor replaceat Sears optionfree of chargeparts which
are defectiveas a resultofmatedalorworkmanship.
COMMERCIAL OR RENTAL USE:
Warrantyon Tillerwillbe thirty(30) daysfromdateofpurchaseifusedforcommercialor rentalpurposes.
This Warranty does NOT cover:
1. Pra-dellvery set-up.
2. ExpendableItems which becomeworn during normal use, such as tines, spark plugs,air cleaners, shear pins, and
belts.
3. Repairs necessary because of operator abuse or negligence, Including the failure to operate end maintain the
equipmentaccording tothe Instructionscontainedin the Owner'sManual.
Warrantyserviceis availableby returningthe CraftsmanTillerto the nearestSears ServiceCentre/Departmentin Canada.
Thiswarrantyappliesonlywhilethisproductisin use inCanada.
This warrantyis in additionto any statutorywarrantyand does notexcludeor limitlegal rightsyou may have but shall run
concurrentlywith applicableprovinciallegislation. Furthermore,some provincesdo NOT allow limitationon how long an
impliedwarrantywilllastso the above limitationsmay notapplytoyou.
SEARS CANADA, INC., TORONTO, ONTARIO M5B 2B8
4
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ASSEMBLY
Your new tiller has been assembled at thefactory with exception ofthose parts left unassembled for shipp ng purposes. To
ensure safe and properoperationofyourtillerall partsand hardware you assemble mustbetightened securely. Usethe correct
toolsas necessary to insure proper tightness.
TOOLS REQUIRED FOR ASSEMBLY
A socket wrench set will make assembly easier. Standard
wrench sizes are listed.
(1) Utility knife
(1)Screwdriver
(1) Pair of pliers
(2) 1/2" wrenches
OPERATOR'S pOSITION (See Fig. 1)
When right Orleft hand ismentioned inthis manual, itmeans
when you are inthe operating position (standing behind tiller
handles).
FRONT'
LEFT RIGHT
OPERATOR'S
POSITION
FIG. 1
i i
CONTENTS OF HARDWARE PACK
I i i
m
(1) Manual
0
(2) Carriage Bolts 5/16-18 UNC x 2-3/8 Gr. 5
(1) Plastic Cable Clip
i©
(2) Flange Locknuts 5/16-18 UNC
(1) Bottle Engine Oil ©
(2) Hex Nuts 5/16-18
I
©
(2) Lock Washers 5/16
5
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I = I
ASSEMBLY
UNPACK CARTON & INSTALL HANDLE (See
Fig. 2)
I& AUTION: Becarefulofexposedstaples I
when handling or disposing of cartoning
material,
IMPORTANT: WHEN UNPACKING AND ASSEMBLING
TILLER, BE CAREFUL NOT TO STRETCH OR KINK
CABLE(S).
•Cut cable ties securing handle column.
•Remove all packing from carton,
•Secure handle column to handle mount using two (2)
carriage boltsand two (2) flange Iocknuts.Tighten both
flange Iocknuts securely.
•Remove packing material from handle assembly.
•Route tine control cable through plastic cable clip on
handlecolumn.
•Insert plasticcable clip intohole in handle column,
•Cut cable ties securing tiller to skid.
•Cut away carton and remove tillerfrom skid bypulling
backwards.
TINE
TINE
HANDLE
MOUNT
BOLT
HANDLE
COLUMN
/
CABLE
CLIP
FIG. 2
INSTALL DEPTH STAKE ASSEMBLY
(See Fig. _)
•Loosen nut =A".
•Insert stake support between engine bracket halves
with stake springdown.
•Bolt stake support to engine brackets with bolts, lock
washers and nuts.Tighten securely. Tighten nut "A".
•Depth stake must move freely, If it does not, loosen
supportbolt.
ENGINE BRACKET
HALVES
,NUT "A"
DEPTH STAKE
DEPTH
STAKE
SUPPORT
BOLT
HEX BOLTS,
LOCK WASHERS,
AND HEX NUTS
i
FIG. 3
HANDLE HEIGHT
•Handleheightmaybeadjustedto bettersuitoperator.
(See =HANDLEHEIGHT" in the Serviceand Adjust-
ments sectionof this manual).
TILLING WIDTH
•Tillingwidthmay be adjusted tobetter handle yourtilUng
conditions(See "TIN EAR RANG EMENT" inthe Service
and Adjustments section of this manual).
TINE OPERATION
• Check tine operation.before first use. (See "TtNE
OPERATION CHECK inthe Service and Adjustments
section of this manual),
6
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I
OPERATION
KNOW YOUR TILLER
READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR TILLER.
Compare the illustrationswith yourtillertofamiliarize yourself withthe locationofvarious controlsand adjustments. Save this
manual for future reference.
i i
These symbols may appear on your Tiller or in literature supplied with the product. Learn and understand their
meaning.
TILLING FORWARD NEUTRAL ENGINE ENGINE FAST
OR WARNING ON OFF
FORWARD TINE
CHOKE CONTROL
THROTTLE
IOL
SHIELD
RECOIL STARTER
HANDLE O
FIG. 4
MEETS ANSI SAFETY REQUIREMENTS
Our tillers conform to the safety standards ofthe American National Standards Institute.
FORWARD TINE CONTROL - Engages tines in forward
direction.
CHOKE CONTROL - Used when starting a coldengine.
THRO'I'FLE CONTROL- Controls engine speed.
DEPTH STAKE - Controls forward speed and the depth at
which the tiller will dig.
RECOIL STARTER HANDLE - Used to start the engine.
7
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I
OPERATION
HOW TO USE YOUR TILLER TILLING
Know how tooperate allcontrols before adding fuel and oil
or attempting to start engine.
stoppirDg (See Fig. 5)
TINES
•Release tine controlto stop movement.
ENGINE
•Move throttle control to =STOP" position.
•Never use choke to stop engine.
TINE CONTROL
"OFF" (UP) POSITION
"ON" (DOWN) POSITION • \
CHOKE
The speed and depth of tillingis regulated by the position
ofthe depth stake and wheel height.
The depth stake should always be below the wheels for
digging. It serves as a brake to slow the tiller's forward
motiontoenable thetinestopenetratethe ground. Also,the
morethe depth stake islowered intothe groundthe deeper
the tines will dig.
DEPTH STAKE (See Fig. 6)
Adjust depth stake by removing the hairpin clipand clevis
pin. Change depth stake to desired position. Replace the
clevis pin and hairpin clip.
•Fornormaltilling, set depthstake at thesecond orthird
hole from the top.
WHEELS (See Fig. 6)
Adjust wheels by removing the hairpin clip and clevis pin.
Change wheel position, Replace th'ehairpinclipand clevis
pln.
•For normaltiiling,setwheels atthe second orthird hole
from the top.
HAIRPIN CLIP
AND CLEVIS PIN
DEPTH
STAKE
HAIRPIN CLIP
AND CLEVIS PiN
WHEEL
FIG. 5 FIG. 6
TINE OPERATION (See Fig. 5)
•Squeezetine controltohandle.
8
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OPERATION
TO TRANSPORT
l i_ CAUTION: Beforeliftingortrensporting f
allow tiller engine andmuffler to coo].
Disconnect spark plug wire. Drain
gasoline from fuel tank.
AROUNDTHEYARD
•Tip depth stake forward until it is held by the stake
spring.
• Push tiller handles down, raising tines off the ground.
•Push or pull tiller to desired location.
AROUNDTOWN
• Disconnect spark plug wire.
• Drain fuel tank.
• Transport in upright position to prevent oil leakage.
BEFORE STARTING ENGINE
IMPORTANT: BE VERY CAREFUL NOT TO ALLOW DIRT
TO ENTER THE ENGINE WHEN CHECKING OR ADDING
OLORFUEL. USE CLEAN OIL AND FUEL AND STORE
It'r _.PPROVED, CLEAN, COVERED CONTAINERS. USE
£ CAN FILL FUNNELS.
FLL ENGINE WITH OIL (See Fig. 7)
•Removehangtagfromengine.
•With engine level, remove engine oilfiller plug.
•Fill engine with oilto point ofoverflowing. Forapproxi-
mate capacity see "PRODUCT SPECIFICATIONS" on
page 3 of this manual
•Tilt tiller back on itswheels and then re-level.
•With engine level, refillto pointof overflowing ifneces-
sary. Replace oil filler plug.
•For cold weather operation you should change oilfor
easier starting (See "OIL VISCOSITY CHART" inthe
Customer Responsibilities section ofthis manual).
•Tochangeengineoil, seetheCustomerResponsibilities
section of this manual.
OIL /
OIL
FILLER
PLUG
FIG. 7
ADD GASOLINE
•Fill fuel tank. Use fresh, clean, regular unleaded
gasoline. (Use of leaded gasoline will increase carbon
and lead oxide deposits and reduce valve life.)
IMPORTANT: WHEN OPERATING IN TEMPERATURES
B_ LOW 32°F (0°C), USE FRESH, CLEAN, WINTER GRADE
GSOLINE TO HELP INSURE GOOD COLD WEATHER
\RTING.
WARNING: Experience indicatesthatalcoholblended fuel=
(called gasohol or using ethanol or methanol) can attrac
moisture which leads toseparation and formation of acid=
• dudng storage. Acidic gas can damage the fuel system o
an enginewhile instorage. To avoid engine problems, th_
fuel system should be emptied before storage of 30 day,,
or longer. Drain the gas tank, startthe engine and letitrur
untilthe fuellines and carburetor are empty. Use fresh fue
next season. See Storage section of this manual fo
additional information. Never use engine or carbureto
cleaner productsinthefuel tank orpermanent damage ma_
OCGUr,
CAUTION: Fill to within 112inch of top of
f,',eltank to prevent spills and to allow for
fuelexpansren. Ifgasolineisaccidenta y
spilled, move machine away from area of
spill. Avoid creating any source of igniUon
until gasoline vapors have disappeared,
Do not overfill. Wipe off any spilled oi or
fuel. Do not store, spill or use gasoline
near an open flame.
TO START ENGINE (See Fig. 8)
I_CAUTION: Keep tine control in "OFF"
position when starting engine.
When startingengine forthe firsttimeor ifengine has runou
offuel, itwilltake extra pulls ofthe recoil starter to move fue
from the tank to the engine.
•Make sure spark plug wire isproperly connected.
•Place throttle control in =FAST" position.
•Move choke control to full "CHOKE" position. Gras
recoilstarterhandle withone handand grasptillerhandl
with other hand. Pull rope out slowly until engin
reaches startofcompression cycle(rope willpullslightl
harder at this point).
•Pull recoil starter handle quickly. Do not let starte
handle snap back against starter. Repeat ifnecessary
•Ifengine fires butdoes not start, move choke controlt
halfchoke position.Pullrecoilstarter handle untilengin
starts.
•When engine starts,slowlymove chokecontrolto -RUN
position as engine warms up.
NOTE: A warm engine requires less choking to start.
•Move throttlecontrol to desired running position.
•Allow engine to warm up for a few minutes befor
engaging tines.
NOTE: Ifat a highaltitude(3000 feet) or incoldtemperature
(below 32°F), the carburetor fuel mixture may need to b
adjusted for best engine performance. See "TO ADJUS
CARBURETOR" inthe Service and Adjustments sectiono
this manual.
NOTE: Ifengine does notstart, see troubleshooting point
9
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I
OPERATION
SPARK •
PLUG
CONTROL
CONTROL
RECOIL STARTER
HANDLE
FIG. 8
BREAKING IN YOUR TILLER
Break-in your belt(s), pulleys and tine control before you
actuaUybegin tilling.
•Start engine, tip tines off ground by pressing handles
down and engage tine control to start tine rotation.
Allow tines to rotate for five minutes.
•Check tine operation and adjust if necessary. See
"rlNE OPERATION CHECK" in the Service and Ad-
justments section of this manual.
TILLING HINTS
I& CAUTION: Untilyouareaccustomedto I
handling your tiller, start actual field use I
with throttle in slow position,
I
To helptiller move forward, liftupthe handles slightly(thus
liftingdepth stake out of ground). To slow down the tiller,
press down on handles.
Ifyou are straining ortiller isshaking, thewheels and depth
stake are not set properly inthe soilbeing tilled.The proper
setting of the wheels and depth stake is through tdal and
error and depends upon the soilcondition. (The harder or
wetter the ground, the slower the engine and tine speed
needed. Under these poorconditions,at fastspeed the tiller
will runand jump over the ground).
A properly adjusted tiller will dig with little effort from the
operator.
•Tilling is digging into, turning over, and breaking up
packed soilbefore planting. Loose, unpacked soil
helps rootgrowth. Best tillingdepth is4" to6". A tiller
will also clear the soil of unwanted vegetation. The
decomposition of this vegetable matter enriches the
soil. Depending on the climate (rainfall and wind), it
may beadvisable totillthesoilattheend ofthe growing
season to further condition the soil.
•Soilconditionsare importantfor propertilling.Tines will
not readily penetrate dry, hard soilwhich may contrib-
ute toexcessive bounce and difficulthandling of your
tiller. Hard soil should be moistened before tilling;
however, extremely wet soil will "ball-up" or clump
during tilling. Wait untilthe soil is less wet in order to
achieve the bestresults.Whentilling inthefall, remove
vines and long grass to prevent them from wrapping
around thetine shaftand slowingyourtillingoperation.
You will find tilling much easier if you leave a row
untilledbetween passes. Then go back between tilled
rows.(See Fig. 9)There aretwo reasonsfor doing this.
First, wide turns are much easier to negotiate than
about-faces. Second, the tiller won't be pulling itself,
and you, toward the row next to iL
Set depth stake and wheel height for shallow tilling
when working extremely hard soil or sod. Then work
across the firstcuts at normal depth.
i
FIG. 9
CULTIVATING
Cultivating is destroying the weeds between rows to
prevent them from robbing noudshment and moisture
from the plants. At the same time, breaking up the
upper layer of soil crust will help retain moisture in the
soil. Best digging depth is 1" to 3=.
•You will probably not need to use the depth stake.
Begin by tipping the depth stake forward until itis held
by the stake spring.
•Cultivate up and down the rows at a speed which will
allow tines to uproot weeds and leave the ground in
roughCondition,promoting no further growth ofweeds
andgrass (See Fig, 10).
!i '
FIG. 10
10
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CUSTOMER RESPONSIBILITIES
MAINTENANCE
SCHEDULE
FILL IN DATES
AS YOU COMPLETE
REGULAR SERVICE
Check Engine Oil Level I/ If
Change Engine Oil K2
Oil Pivot Points Ik/
SERVICE DATES
Inspect Spark Arrester /Muffler I_
Inspect Air Screen I##
Clean or Replace Air Cleaner Cartridge 1_2
Clean Engine Cylinder Fins ¥1
Replace Spark Plug I/'
1 - Change more often when operating under aheavy load or in high ambient temperatures.
2-Service more often when operating in dirty or dusty conditions.
GENERAL RECOMMENDATIONS
The warranty on this tiller does not cover items that have
been subjectedtooperatorabuse ornegligence. To receive
full value from thewarranty, operator must maintaintiUeras
instructed in this manual.
Some adjustments will need to be made periodically to
properly maintain your tiller.
Alladjustments inthe Service and Adjustments section of
this manual should be checked at least once each
season.
• Once a year you should replace the spark plug,clean
or replace air filter, and check tines and belt for wear.
A new spark plug and clean air filter assure proper air-
fuel mixture and help your engine run better and last
longer.
BEFORE EACH USE
•Check engine oil level.
•Check tine operation.
•Check for loose fasteners.
LUBRICATION
Keep unitwell lubricated (See "LUBRICATION CHART").
LUBRICATION CHART
*TINE CONTROL
** ENGINE
* IDLER
ARM
11
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i ii i ii i i
CUSTOMER RESPONSIBILITIES
i i
i i i
Disconnect spark plug wire before performing any maintenance (except carburetor adjustment) to prevent
accidental starting of engine. I
Preventflres! Keeptheenglne freeofgrass, leaves, epllledoll, orfuel. Removefuelfromtankbeforetlpplngunlt
for maintenance. Clean mufflerarea of all grass, dirt, and debris.
Do not touch hot muffler or cylinder fins as contact may cause burns.
i i i ii
ENGINE
LUBRICATION
Use only high quality detergent oil rated with API service
classification SF, SG or SH. Select the oils SAE viscosity
grade according toyour expected temperature.
SAE ViSCOSiTY GRADES
.20•.10o 0° 10° 20° 30°
TEMPERATURE RANGE/_NTICIPATED BEFORE NEXT OIL CHANGE
FIG. 11
NOTE: Althoughmulti-viscosity oils(5W-30,10W-30, etc.)
improve starting incold weather, these multi-viscosity oils
will result in increased oil consumption when used above
32OF(0oC). Check your engine oillevel more frequentlyto
avoid possible engine damage from runninglow on oil.
Change the oilafter every 50 hours of operation or at least
once a year ifthetiller isnot used for 50 hours inone year.
Check thecrankcase oillevel beforestartingthe engineand
after each five (5) hours of continuous use. Add SAE 30
motoroilorequivalent, Tighten oilfiller plugsecurely each
time you check the oil level.
TO CHANGE ENGINE oIL (see Figs. 11 and 12)
Determine temperature range expected before oilchange.
Alloil must meet API service classification SF, SG or SH.
• Be sure tiller is on level surface.
•Oil willdrain more freely when warm.
•Catch oil in a suitable container.
•Removedrain plug.
•Tip tiller forward to drain oil.
•After oilhas drained completely, replace oildrain plug
and tighten securely.
•Remove oil filler plug. Be careful not to allow dirt to
enter the engine.
•Refill engine with oil. See "CHECK ENGINE OIL
LEVEL" in the Operation section ofthis manual.
AIR CLEANER (See Fig. 13)
Service air cleaner cartridge every 50 hours, more often if
engine is used in very dusty conditions.
•Loosen aircleaner screws, one on each side ofcover.
•Retnove air cteaner cover.
•Carefully removeaircleanercartridge. Becareful. Do
not allow dirt or debris to fall into carburetor.
• Clean bytapping gently on a flat surface.
•If very dirtyor damaged, replace cartridge.
•Clean and replace cover. Tighten screws securely.
CAUTION: Petroleum solvents,'uch as
kerosene, are not to be used to clean
cartridge. They may cause deterioration
ofthe cartndge. Do not oil cartridge, uo
not use pressurized azr to clean or dry
cartridge.
AIR _COVER
CLEAN ER-.""_ _
SCREW _AIR
"*"CLEANER
.e--Z-_ _11 _.,_=_JL.t -- CAR-
FIG. 13
COOLING SYSTEM (See Fig. 14)
Your engine isair cooled. For proper engine performance
and longlife keep your engine clean.
•Clean airscreen frequently usinga stiff-bristledbrush.
•, Remove blower housing and clean as necessary.
•Keep cylinder fins free of dirtand chaff.
CYLINDER FiNS BLOWER
AIR SCREEN
FIG. 12 12
FIG. 14
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CUSTOMER RESPONSIBILITIES
MUFFLER
Do not operate tiller without muffler. Do not tamper with
exhaust system. Damaged mufflers or spark arresters
couldcreate afire hazard. Inspect periodically and replace
ifnecessary. Ifyourengineis equipped with asparkarrester
screen assembly, remove every 50 hoursfor cleaning and
inspection. Replace ifdamaged.
SPARK PLUG
Replace spark plugsat thebeginning ofeach tillingseason
orafter every 50 hoursofuse, whichevercomes first. Spark
plug type and gap setting isshown in "PRODUCT SPECI-
FICATIONS" on page 3 of this manual.
TRANSMISSION
Yourtr_.nsmissionissealed and willonly requirelubrication
if it is serviced.
CLEANING
•Clean engine, wheels, finish, etc. ofall foreign matter.
•Keep finished surfaces and:wheels free of.a._gasoline,
oil, etc,
.• .Protect painted surfaces with automotive type wax.
We do not recommend using agarden hose to clean your
unit'unlessthe muffler, air filter and carburetor are covered
to keepwaterout. Water inengine can resultina shortened
engine life.
SERVICE AND ADJUSTMENTS
IACAUTION: Disconnect spark plug wire from spark plug and place wire where it cannot come into
contact with plug. I
TILLER
TO ADJUST HANDLE HEIGHT (See Fig. 15)
Factory assembly has provided lowest handle height.
Select handle height bestsuited for yourtillingconditions.
Handle height will be different when tiller digs intosoil.
•Ifa higherhandle heightisdesired, Ioosenthe fournuts
securing handle panel to engine brackets.
•Slide handle panel todesired location.
•Tighten the four nuts securely.
TINE ARRANGEMENT
Yourouter tinescan beassembled inseveral differentways
to suit your tilling or cultivating needs.
JACAUTION: Tinesaresharp. Weargloves
or other protection when handling tines.
NORMAL TILLING -24" PATH (See Fig. 16)
•Assemble holes "A" in fine hubs to holes =13"in fine
shaft.
ENGINE
BRACKETS
HANDLE
PANEL
NUTS (ALSO 2
ON LEFT SIDE
OF TILLER)
HAIRPIN CLIP INNER TINE
FIG. 16
FIG. 15
13
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I i
SERVICE AND ADJUSTMENTS
i i iii I i I i
MID-WIDTH TILLING -22" PATH (See Fig. 17)
•Assemble holes "A" in tine hubs to holes "C" in tine
shaft.
FIG. 17
NARROW TILLING/CULTIVATING - 12-3/4" PATH (See
Fig. 18)
•Remove outer tines.
[oo
INER TINES ONLY
oo]
FIG. 18
NOTE: When reassembling outer tines, be sure righttine
assembly (marked =R")and lefttine assembly (marked"L")
are mounted to correct side of tine shaft•
TINE OPERATION CHECK (See Fig. 19)
I& ARNING: Disconnectsparkplugwire I
from spark plug to prevent starting while
checking tine operation,
i
Forpropertine operation,tine controllever mustbeagainst
controlbodyand all slackremovedfrom innerwire ofcontrol
cable when control is in the "OFF" (up) position.
If lever and cable are loose, loosen cable clipat lowerend
of cable. Pull up on cable to remove slack, without
extending spring on end ofcable, and retighten cable clip.
FINAL CHECK "OFF" POSITION
•With tine control "OFF" (up), push down on handle to
raise tines offthe ground.
•Slowly pullrecoil starter handle while observing tines.
Tines should not rotate.
• If tines rotate, inner wire of control cable is too tight
which is extending lower spring and engaging tines.
Loosencable clipand pushdownoncable onlyenough
to relieve spring tension. Tighten cable clip.
•Recheck in "OFF" position and adjust if necessary.
FINAL CHECK "ON" POSITION
•Withtinecontrol"ON (helddowntohandle) pushdown
on handle to raise tines offthe ground.
•Slowly pull recoil starter handle while observing tines.
Tines should rotate forward.
•If tines do not rotate, inner wire ofcontrol cable istoo
loose. Loosen cable clip and pull cable up to remove
slack and retighten clip.
•Recheck in "ON" position and adjust ifnecessary.
NOTE: If "ON" position check required adjustment, re-
check "OFP position adjustment to insure tines do not
rotate when controlis`OFP (up).
TINE CONTROL
"OFF"
TINE CONTROL BODY
"ON" POSITION
!CABLE
CLIP CONTROL
CABLE
\
\
i =ll i ii
FIG. 19
14
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SERVICE AND ADJUSTMENTS
I i
TO REPLACE V-BELT (See Fig. 20)
Replace V-belt if ithas stretched considerably or ifithas
cracks or frayed edges.
Belt guard must be removed to service belt. See "TO
REMOVE BELT GUARD" in this section of manual.
BELT REMOVAL
• Remove V-belt from transmission pulley first and then
from engine pulley.
BELT REPLACEMENT
• Install new V-belt toengine pulley first then totransmis-
sionpulley. Be surebelt ispositioned on insidegroove
ofboth pulleys, inside all belt guides and rests on idler
pulley.
CHECKTINE OPERATION
•See "FINE OPERATION CHECK" in thLs...sectionof
manual.
REPLACE BELTGUARD
BELT
GUIDE
/
ENGINE
\
TRANSMISSION
PULLEY
IDLER
PULLEY V-BELT
FIG. 20
15
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I
SERVICE AND ADJUSTMENTS
II I
TO REMOVE BELT GUARD (See Fig. 21)
• Remove screws from sides ofbelt guard.
•Pull belt guard out and away from unit.
•Replace belt guard by reversing above procedure. Be
sure slot in bottom of belt guard is under head of tine
shield boltand all nuts are tightened securely.
BELT GUARD
SCREW
SCREW
FIG. 21
ENGINE
Maintenance, repair,orreplacement ofthe emissioncontrol
devices and systems, which are being doneat the custom-
ers expense, may be performed by any non-road engine
repair establishment or individual Warranty repairs must
be performed by an authorized engine manufacturer's
service outlet.
IDLE RPM ADJUSTMENT
i.
• To adjust idle RPM, rotate throttle linkage Counter-
clockwise and hold against stop while adjusting idle
speed adjusting screw to obtain 1750 RPM. Release
throttle linkage.
High speed stop is factory adjusted. Do not adjust or
damage may result.
IMPORTANT: NEVER TAMPER WITH THE ENGINE
GOVERNOR, WHICH IS FACTORY SET FOR PROPER
ENGINE SPEED. OVERSPEEDING THE ENGINE ABOVE
THE FACTORY HIGH SPEED SETTING CAN BE
DANGEROUS, IFYOUTHINKTHE ENGINE-GOVERNED
HIGH SPEED NEEDS ADJUSTING, CONTACT YOUR
NEAREST AUTHORIZED SERVICE CENTER/
DEPARTMENT, WHICH HAS THE PROPER EQUIPMENT
AND EXPERIENCE TO MAKE ANY NECESSARY
ADJUSTMENTS. ,i
THROTTI'E LINKAGE THROTTLE STOP
\
IDLE SPEED
ADJUSTING SCREW IDLE NEEDLE VALVE
i
FIG. 22
TO ADJUST CARBURETOR (See Fig. 22)
The carburetor has a high speed fixed jet and has been
preset at the factory and adjustment shouldnot be neces-
sary. However, minor adjustments may be required to
compensate fordifferences infuel, temperature,altitude or
load. Ifthe carburetor does need adjustment, proceed as
follows.
16
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•i i I i ill i i* i[11 I Ii II II ii ii i,i _llll kl, ,,, , i
STORAGE
I I I i I i ill i illa.iI i i i ;, r .....
Immediately prepare yourtiller forstorage atthe end ofthe ENGINE OIL
season or if the unitwill not be used for 30 days or more.
i i
I& CAUTION: Never store the tiller with
gasoline in the tank inside a building
where fumes may reach an open flame or
spark. Allow the engine to cool before
storing In any enclosure.
I
TILLER
•Clean entire tiller (See"CLEANING" inthe Customer
Responsibilities section of this manual).
•Inspect and replace belts, if necessary (See belt
replacement instructions in the Service and Adjust-
ments section of this manual).
• Lubricate as shown in the Customer Responsibilities
section of this manual.
• Be sure that all nuts, bolts and screws are securely
fastened. Inspect moving parts for damage, breakage
and wear. Replace if necessary.
•Touch up all rusted or chipped paint surfaces; sand
lightlybefore painting.
•NE
FUEL SYSTEM
Drain oil(.withengine warm)and replace witholean oiL(See
ENGINE inthe Customer Responsibilities sectton,_ this
manual).
CYLINDER(S)
• Remove spark plug. --.,,,
•Pour 1ounce (29 ml) ofoilthrough spark plug hole into
cylinder.
•PullstarterhandleslowlyseveraltimestodistdbuteoiL
•Re'placewith new spark plug.
OTHER
•Do not store gasoline from one season toanother.
• Replace your gasoline Can i! your Can starts to rust.
Rust and/or dirt in yourgasoline willcause problems.
• If possible, store yoUrunitindoors and cover ittogive
protection from dust and d rt
• Cover your unit with a suitable protective €over that
does not retain moisture. Do not use plastic. Plastic
cannotbreathe whichallowscondensationtoform and
willcause your unit to rust.
IMPORTANT: NEVER COVER TILLER WHILE ENGINE
AND EXHAUST AREAS ARE STILL WARM.
IMPORTANT: IT IS IMPORTANT TO PREVENT GUM
DEPOSITS FROM FORMING IN ESSENTIAL FUEL
SYSTEM PARTS SUCH AS THE CARBURETOR, FUEL
FILTER, FUEL HOSE, OR TANK DURING STORAGE.
ALSO, EXPERIENCE INDICATES THAT ALCOHOL
BLENDED FUELS (CALLED GASOHOL OR USING
ETHANOL OR METHANOL) CAN ATTRACT MOISTURE
WHICH LEADS TO SEPARATION AND FORMATION OF
ACIDS DURING STORAGE, ACIDIC GAS CAN DAMAGE
THE FUEL SYSTEM OFAN ENGINE WHILE IN STORAGE.
•Drain the fuel tank.
•Start the engine and let it run until the fuel lines and
carburetor are empty.
•Never useengine orcarburetor cleaner productsinthe
fuel tank or permanent damage may occur.
•Use fresh fuel next season.
NOTE: Fuel stabilizer is an acceptable alternative in
minimizing the formation of fuel gum deposits during
storage. Add stabilizer to gasoline in fuel tank or storage
container. Always follow the mix ratio found on stabilizer
container. Run engine at least 10 minutes after adding
stabilizer to allowthe stabilizer toreach thecarburetor. Do
not drainthe gastank and carburetor ifusingfuelstabilizer.
17
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TROUBLESHOOTING POINTS
CAUSE CORRECTION
PROBLEM
Will not start
Hard to start
Loss of power
Engine overheats
Excessive bou nceJ
difficult handling
Soil balls up or
clumps
Engine runs but
tiller won't move
Engine runs but
labors when tilling
1. Out offuel.
2. Engine not"CHOKED" properly.
3. Engineflooded,
4. DLrtyair cleaner.
5. Water infuel.
6. Cloggedfuel tank.
7. Loose spark plugwire.
8. Bad spark plugor impropergap.
9. Carburetorout of adjustment.
1. Throttlecontrolnot set properly.
2. Dirtyair cleaner.
3. Bad spark plugor impropergap.
4. Stale or dirtyfuel.
5. Loose spark plugwire.
6. CarburetorOLdof adjustment.
1. Engineisovedoaded.
2. Dirty air cleaner.
3. Low oil level/dirtyoil.
4. Faulty spark plug.
5. Oilinfuel.
6. Stale or dirtyfuel.
7. Water in fuel.
8. Clogged fueltank.
g. Spark plugwire loose.
10. Dirtyengine air screen.
11. Dirty/clogged muffler.
12. Carburetor out of adjustment.
13. Poor compression.
1. Low oil level/dirty oil
2. Dirty engine air screen.
3. Dirty engine.
4. Partially plugged muffler.
5. Improper carburetor adjustment.
1. Ground too dry and hard.
2. Wheels and depth stake incorrectly adjusted.,
1. Ground too wet.
1. Tine control is not engaged.
2. V-belt not correcfiy adjusted.
3. V-belt is off pulley(s).
1. Tilling too deep.
2. Throttle control not properly adjusted.
3. Carburetor out of adjustment.
1. Fillfuel tank.
2. See "TO START ENGINE" in the Operationsection.
3. Wait severalminutesbeforeattemptingto start.
4. Cleanor replaceaircleaner cartridge.
5. Drainfuel tank and carburetor,and refilltank withfresh
gasoline.
6. Removefuel tankand clean.
7. Make surespark plugwire is seated preperlyon plug.
8. Replacespark plugor adjust gap.
9= Make necessary adjustments.
Placethrottle controlin"FAST" position.
Cleanor replaceair cleanercartridge.
3. Replacesparkplugor adjust gap.
4. Drainfuel tankand refillwithfresh gasoline.
5. Make sure sparkplugwire is seatedproperlyon plug.
6. Make necessary adjustments.
1. Set depth stakeand wheelsfor shallowertilling.
2. Clean or replaceair cleanercartridge.
3. Check oillevel/changeoil.
4. Clean and regaporchange spark plug.
5. Drainand cleanfuel tank and refill,and cleancarburetor.
6. Drainfuel tankand refillwithfresh gasoline.
7. Drainfuel tank andcarburetor,and refilltankwithfresh
gasoline.
8. Remove fueltankand clean.
9. Connectand tightenspark plugwire.
10. Clean engineair screen.
11. Clean/replacemuffler.
12. Make necessary adjustments.
13. Contact an authorizedservice center/department.
1. Checkoil level/change oil.
2. Clean engine air screen.
3. Clean cylinder fins,air screen, muffler area.
4. Remove and clean muffler.
5. Adjust carburetor to richer position.
1. Moisten ground or wait for more favorable soil
conditions.
2. Adjust wheels and depth stake.
1. Wait for more favorable soil conditions.
1. Engage tine control.
2. Inspect/adjust V-belt.
3. Inspect V-belt.
1. Set depth stake for shallower tilling.
2. Check throttle control setting.
3. Make necessary adjustments.
18
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REPAIR PARTS
TILLER,- -MODEL NUMBER 944.629541
HANDLE ASSEMBLY
13
1
35
?
14
38
38
3
18
12
KEY PART
NO. NO.
1137118
3 9266R
12 98000129
13 STD533107
14 110514X
18 3066J
19 151229
;_r) 154805
;I12000027
DESCRIPTION
Panel, Control
Grip, Handle
Nut, Flan_le
Bolt, Carnage 5116-18 x 3/4
Assembly, Panel and Tube
Cable, Tine Control
Lever, Control, Tine
Pin, Pivot
Ring,Clip
KEY PART
NO. NO.
29 12000059
35 72010520
36 73970500
37 165197
38 152094
DESCRIPTION
Retainer, Ring
Bolt5/16-18 x 2-112
Locknut, Flange 5/16-18 UNC
Clip,Cable
Assembly, Handle Column
NOTE: All component dimensions gwen in U,S, inches.
1 inch= 25.4 mm
19
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REPAIR PARTS TILLER - - MODEL NUMBER 944.629541
BELT GUARD AND PULLEY ASSEMBLY
KEY PART
NO. NO. DESCRIPTION
1 23230506
2 130812
3 17211006
4 74610812
5 17490440
6 165770
7 165503
8 139155
9 165768X558
10 109227X
11 9484R
12 9180R
Screw Set 5/16-18 x 3/8 Patch
Sheave, Engine
Screw, Tap Hex Head
Bolt, Hex Head 1/2-20 x 3/4
Bolt, Thd Roller 1/4-20 x 2-1/2
shield, Inner Belt Guard
Screw Hex Wsh Hd #8-18 x 1/2
Spacer Split .523 x .718 x 2.0
Guard, Belt
Pad, Idler
Clip, Cable
V-Belt
KEY PART
NO. NO. DESCRIPTION
13 12000028 Ring, Retainer
14 151223 Sheave, Transmisison
15 165504 Nut J Clip#8
16 12000036 Ring, Klip
17 STD541237 Nut, Hex, Jam 3/8-16
18 161806 Pulley, Idler
19 162290 Arm, Idler
20 STD523712 Bolt, Hex Head 3/8-16 x 1-1/4
21 106968X Shaft, IdlerArm
25 73350500 Nut, Hex, Jam 5/16-18
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
2O
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