Western Auto MTD7122B09 Operation manual

STOCK NUMBER
93-7122.0 MODEl. NUMBER
MTO1122B09 FACTORY NUMBER 130..61OF098
Thankyou tol'purchasingan Amel'lcan-builtproduct.

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10
Slope GaugeSafe Operation Practices
Assembly Instructions. .
Controls.. "
Operation.AdjustmentslubricationMaintenanceOff-Season Storage.
19-23
,.. .24.25
26-33
..., ...29
34,35
36-39
Back Cover
12
14
15
18
Engine Operating and Maintenance
Instructions.Trouble Shooting Chart.Illustrated Parts for Lawn Tractor. .
Electrical System.Illustrated Parts for TransaxleIllustrated Parts for Engine.Partslnformation
WARNING: This unit is equipped with an internal combustion engine and should not be used on or near any unim-
proved 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
through participating Western Auto Stores. 2
MTD7122BO9
LIMITED WARRANTY
Western Auto Supply Company warrants to the original retail purchaser that this Wizard product
is free from defects in material and workmanship and agrees to repair any product free of charge
within these time periods from date of purchase:
One year, if the product is used for personal, family, or household use;
90 days, if the product is used for any other purpose such as commercial or rental use.
A battery which proves defective within ninety (90) days will be replaced without charge. After
90 days but within one year from the date of purchase. Western Auto will replace the defective
battery for a charge of 1/12 of the current retail price of the battery for each full 30 day period
between the date of purchase and the date of return.
The company manufacturing the engine furnishes their own two year warranty and provides ser-
vice through their authorized field service facilities. For additional information, see the warranty
covering the engine. Repair service arrangements may be handfed through any participating
Western Auto Store.
Excluded from this warranty are: normal wear and maintenance, and mechanical adjustments which
are not due to defects in material or workmanship. For assistance in making such adjustments,
consult your owner's manual. Any unit which has been altered, misused, abused, or repaired by
other than a Western Auto authorized service facility is also excluded.
For repair service return unit with proof of purchase date to any participating Western Auto Store.
If difficulty is encountered in having this warranty honored, contact: Western Auto Supply Com-
pany, Consumer Affairs Section, General Service Department, 2107 Grand Avenue, Kansas City,
Missouri 64108. This warranty gives you specific legal rights, and you may also have other rights
which vary from state to state.

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Remove this sheet from your owner's manual and lay the hardware on the illustration for identification purposes.
After assembly, keep the Slope Gauge which is on the reverse side of this sheet for future use.
(Hardware pack may contain extra items which are not used on your unit.)
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INST ALLING THE SATTERY Cable
Tie
rf§:!;~--- + ~~ I
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ATTACHING THE STEERING WHEEL
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Hex Lock Nut
5/16-24 c
Hex Bolt
1/4-20 x
.Long
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Nut
1/4-20
Thread
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CD
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Bellow
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Steering Wheel
Cap
1m IGNITION KEYS
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(May Be
Attached to
Tractor)
Screws 3/8-16 x
3/4" Long
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34

RULESFORSAFEOPERAliON
THISSYMBOLPOINTSOUTIMPORTANTSAFETYINSTRUCTIONSWHICH,IFNOTFOLLOWEOCOULDENDANGERTHEPERSONALSAFETY
AND/ORPROPERlYOFYOURSELFAND OTHERS READAND FOLLOWALL INSTRUCTIONSIN THIS MANUALBEFOREATTEMPTING
TOOPERATEYOURUNIT FAILURETOCOMPlYWITH THESEINSTRUCTIONSMAYRESULTIN PERSONALINJURY WHENYOUSEE
SYMBOl- A HEEDITSWARNING.
1 READTHISOWNER'SMANUALcarefullyin Itsentiretybeforeat-
temptIngto assembleor operatethisunit. Keepthis manualIn
a safeplacefor futureand regularreferenceandfor ordering
replacementpar1s.
2. Thisunitisaprecisionpieceofpowerequipment.notaplaything.
Thereforeexerciseextremecautionatall times
3 Knowtheccntrolsand howto stopthe machineQuIckly
4 Donotallowchildrento operatevehicle.Donotallowadultsto
operateit withoutproperInstruction.Onlypersonswellacquainted
withtheserulesofsafeoperationshouldbeallowedtouseyour
mower
5. Wearsturdy,rough-soledworkshoesandclose-fittingslacksand
shirtstoavoidentanglementinthe movingpans.Neveroperate
a unitin bar~feet,sandals,or sneakers.
6. To preventinJury,do notcarrypassengersor giverides. Keep
children,pet~iandbystandersoutoftheareawhilemowing.Only
theoperatorshouldrideon the unit andonlyridein the seat
7 Checkoverheadclearanc~c-arefullybeforedrivingunderpower
lines.guywires,brIdgesor lowhangingtreebranches,before
enteringor leavingbuildings.orin anyothersituationwherethe
operatormaybestruckor pulledfromtheunit,whichcouldresult
in seriousinjury
8. Tomaintaincontrolofthe unitandreducethepossibilityofupset
orcollision.cperatethetractorsmoothlyAvoiderraticoperation
andexcessivespeed.
9. Keeptheareaofoperationclearofallpersons,particularlysl:1all
childrenandpets Stopenginewhentheyarein the vicinityof
yourmower Althoughtheareaofoperationshouldbecomplete-
ly clearedof foreign objects,a small obJectmay havebeen
overlookedandcouldbeaccidentlythrownbythemowerin any
directionandcauseinJuryto you or abystander.
10. Alwayswear~~afetyglassesoreyeshieldsduringoperationorwhile
performingartadlustmentorrepair.to protecteyesfromforeign
objectsthat rnaybethrownfrom the machinein anydirection
11. StoptheblaOe(s)whencrossinggraveldrives,walksor roads
12. Disengageall attachmentclutchesand shiftinto neutralbefore
attemptingto start engine.
13. Beforeleavingtheoperator'sposition.disengageblade(sj,place
shiftleverin leutral,engageparkingbrake.shutengineoffand
removekey.
14 Do notputhandsor feetnearorunderrotatingparts.Keepclear
of(hedischargeopeningatalltimesastherotatingblade(s)can
caliseInlury.
15. Disengagepoller to attachment(s)andstopenginebeforemak-
ing anyrepairsor adjustmentsDisconnectthesparkplugwire
andkeepthewireawayfromtheplugtopreventaccidentalstarting.
16. Beforeatteml:,tingtounclogthemowerordischargechute,stop
theengine.Themowerblade(s)maycontinueto rotatefor afew
secondsafter~heengineis shutoff. Therefore,besuretheblade(s)
ha~estoppedI~ompletely.[)sconnectthesparkplugwireandkeep
the wireawayfrom the plugto preventaccidentalstarting
17 Disengagepowertoattachment(s)whentransportingor notInuse
18. Foryoursafety,usetheslopegau~ IncludedaspartofthiSmanual
to measureslopesbeforeoperatingthis uniton a slopedor hilly
area.If theslopeisgreaterthan150asshownontheslopegauge.
donotoperatethisunitonthatareaorseriousinjurycouldresult.
19. Donotstoporstartsuddenlywhengoinguphillordownhill.Mow
up anddownfaceof steepslopes;neveracrossthe face Use
extremecautionifitISnecessarytodrivethetractorupanincline
or backthetractordownanInclinebecausettle frontofthetrac-
tor couldlift andrapidlyflip over backwardwhichcouldcause
seriousinjury
20. Reducespeedonslopesandinsharpturns10preventtippingor
lossofcontrol.Alwayskeepthetractorin low gearwhengOing
downsteephillstotakeadvantageofenginebrakingactionChoose
alowenoughgearsothatyouwillnothavetostopor shiftwhile
on theslope
21. Stayaler1forrolesin terrainandotherhiddenhazardswhichmay
causethe unitto tip over
22 Usecarewhenpullingloadsor uSingheavyequipment.
A Useonlyapproveddrawbarhitchpoints.
B Limitloadsto thoseyoucansafelycontrol.
C. Do notturnsharply.Usecarewhenbacking.
0 Usecounterweight(s)or wheelweightswhensuggestedin
owner'smanual.
23. Watchoutfor trafficwhencrossingor nearroadways.
24. Whenusinganyattachments,neverdirectdischargeofmaterial
,
towardbystandersnorallowanyonenearvehlc~whileInoperation.
25 Handlegasolinewith care It is highlyflammable
A Useapprovedgasolinecontainer
B. Neverremovecapor addgasolineto arunningor hotengine
orfill fueltankindoorsWipeup spilledgasolineAlwaysuse
originaltype ventedcap.
C Opendoorsif engineis runin garage.Exhaustfumesare
dangerousDo notrunengineindoors
26. Neverstorethemachinewithfuelinthefueltankinsideabuilding
whereignitionsourcesarepresent.suchashotwaterandspace
heaters.clothesdryers,andthelike.Allowtheenginetocoolbefore
storingin anyenclosure.
27 Toreducefirehazard,keepengineandcuttingdeckfreeofgrass,
leavesor excessivegrease
28 Keepthe vehicleandatlCM:hmentsingood~erating condition.
and keepsafetydevicesin place.Useguardsas instructedIn
operator'smanual.
29 Keepallnuts,bolts.andscrewstightto besurethe eQuipment
isin safeworkingcondition.
30. Thevehicleandattachmentsshouldbestoppedandinspectedfor
damageafter strikingaforeignobject.Thedamageshouldbe
repairedbeforerestartingandoperatingthe eQuipment
31. Do notchangethe enginegovernorsettingsor overspeedthe
engine.
5
~

ASSEMBLY
IMPORTANT: This unit is shipped WITHOUT
GASOLINE or OIL; however, a small amount of oil
may be present from the factory. Do not overfill.
After assembly, service engine with gasoline and
oil as instructed in the engine section of this
manual.
NOTE: Reference to right or left hand side of the
unit is observed from the driver's seat, facing
forward.
UNPACKING
1. Remove the lawn tractor from the carton as follows.
Open the top flaps. Remove all loose parts and car-
ton inserts. Cut the front corners of the carton.
Make certain brake is released. and push the unit
out of the carton.
2. Remove page four from this manual and lay the
contents of the hardware pack on the illustration
for identification.
BATTERYINFORMATION
A WARNING
A. Battery acid must be handled with great care as
contact with it can burn and blister the skin. Itis also
advisable to wear protective clothing (goggles, rub-
ber gloves and apron) when working with it..
B. Should battery acid accidentally splatter into the
eyes or onto the face, rinse the affected area im-
mediately with clean cold water. If there is any
further discomfort, seek prompt medical attention.
C. If acid spills on clothing, first dilute it with clean
water, then neutralize with a solution of ammonia}
water or baking soda/water.
D. Since battery acid is corrosive, do not pour it into
any sink or drain. Before discarding empty elec-
trolyte containers. rinse them with a neutralizing
solution.
E. NEVER connect or disconnect charger clips to bat-
tery while charger is turned on as it can cause
sparks.
F. Keep all lighted materials (cigarettes, matches,
lighters) away from the battery as the hydrogen gas
generated during charging can be combustible.
G. As a further precaution, only charge the battery in
a well-ventilated area.
.Always shield eyes, protect skin and clothing
when working near batteries.
6
32. Whenusingthe vehiclewith roower,proceedasfollows: 34. Lookbehindto makesuretheareaISclearbeforeplacingthe
(1) Mowonly in daylightor in goodartificiallight transmissionin reverseandcontinuelookIngbehIndwhileback-
(2) NevermakeacuttingheIghta~ustmentwhileengineISrunning ingup Disengagebladesbeforeshiftingintoreverseandbacking
if operatormustdismountto do so up.
(3) Shuttheengineoffandwaltuntilthebladecomesto acomplete 35. Thisunitshouldnotbedrivenuparamponto a traileror truck
stopbeforeremovingthe grasscatcher. underpower.becausetheunitcouldtipover,causIngseriousper-
(4) Checkbladeroountingboltsfor propertightnessatfrequentin- sonalinjury.Theunit mustbepushedmanuallyto loadproperly
tervals. 36. Checkbrakeoperationfrequently.Adjustandserviceaccording
33. Checkgrasscatcherbagsfrequentlyforwearordeterioration.For to brakeadjustment"structionsin this manual
safetyprotection.replaceoolywithnewbagm~tingoriginalequip-
mentspecifications.

Caps
"~
FIGURE 1,
,f.
FIGURE 2.
ACTIVATINGTHE BATTERY
Do not activate battery (fill with battery acid) until
battery is actually placed in service. Be certain to
read previous warnings before activating the
battery.
1. Open the battery pack. Be careful not to puncture
the box. It contains the battery with a long plastic
tube attached, battery fluid (acid) in a plastic con-
tainer, one short plastic tube and one hardware
pack (two hex bolts and nuts).
2. Place the battery on a table or workbench. Make
certain the long plastic drain tube is in place on
the vent elbow.
3. Remove the six fill caps from the top of the bat-
tery with a screwdriver. Be careful not to damage
4 the fill caps. See figure 1.
4. Place the battery fluid container on the table or
workbench. Carefully cut off tip of the spout and
attach the short plastic tube provided. Do not
squeeze the container when cutting tip.
5. Fill each battery cell slowly and carefully to the UP.
.PER LEVEL line marked on battery. See figure 2.
Use caution as the acid level will rise rapidly after
the bottom of the cell is filled.
6. Allow battery to stand for 30 minutes with the fill
caps removed, while the plates absorb acid.
7. If acid level has fallen after the 30 minute standing
period, refill each cell with battery acid to the UP-
PER LEVEL line on battery. Replace the fill caps.
8. Before discarding the empty container, neutralize
any residue with baking soda and rinse container
with water. Puncture container several times
before discarding.
9. Charge the battery after the 30 minute standing
period. SLOW CHARGE THE BATTERY (DO NOT
FAST CHARGE) at a maximum bench rate of 1.4
amperes until the specific gravity reading is
1.260-1.280. Charge for a minimum of 2 hours and
a maximum of 8 hours.
NOTE: This engine is equipped with an alternator. The
current for the battery charger alternator is unregulated.
During normal operation, it is only necessary to charge
the battery:
1. When it is activated for the first time.
2. Before winter storage.
3. Before using the lawn tractor after winter storage.
NOTE: Charging rate after battery has been put into
operation-the battery is to be charged for a period of
14-16 hours. NO LONGER THAN 30 HOURS.
After battery has been charged, add only distilled
water. Do not add acid.
7
~

Negative
I~
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..! r---.,,- / Positive
\y Terminal
Battery
~Drain
Tube
\'9
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-'- --
Battery -\
Black Box Red
(Negative) (Positive)
Cable Cable
INSTALLINGTHE BATTERY(Hardware A)
1. Raise the seat bracket (on top of the fenders).
2. Make certain the positive cable (heavy red wire)
extends through the retainer on the front of the bat-
tery box. The negative cable (heavy black wire)
should be routed up along the back of the battery
box.
3. Place the battery inside the battery box so that the
positive terminal istoward the front of the unit. See
figure 3. Route the battery drain tube down beside
the battery box.
4". Slide the hex nut (provided with battery hardware)
into the positive (+) terminal. Place the positive
cable on the positive terminal. Secure with bolt pro--'vided.
See figure 3.
5. Slide the hex nut (provided with battery hardware)
into the negative (-) terminal. Place the negative
cable on the negative terminal. Secure with bolt
provided.
FIGURE 3.
6. Secure the drain tube to the transaxle reinforce-
ment bracket on the right side of the unit, using
~ .the cable tie as shown in figure 4. Be certain drain
tube is routed away from the wheel rim. Trim ex-
cess end of cable tie.
7. Close the top of the battery box and lower the seat.
ATTACHINGTHESTEERINGWHEEL(HardwareB)
1. Open the hood of the lawn tractor by lifting up on
both sides of the hood.
2. If not already assembled, insert large end of the
upper steering shaft through the hole in the dash
.panel, over the lower steering shaft. See figure 5.
The four holes in the upper steering shaft provide
four steering wheel heights. Select desired hole,
and secure with hex bolt and hex lock nut.
FIGURE 5. 8

Steeri ~~~HeX LockWheel ,~ Nut
,
..,r"
:--- Cupped
Washer
3. Attach one end of steering bellow to the steering
wheel as shown in figure 6, inset.
4. Position the front wheels of the tractor so they are
pointing straight forward.
5. Place the steering wheel and steering bellow over
the steering shaft. positioning steering wheel as
desired.
6. Place the washer with the cupped side down over
the steering shaft. Secure with 5/16" hex lock nut.
~ See figure 6.
7. Place the steering wheel cap over the center of the
steering wheel and seat it with your hand.
-"'l\
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FIGURE 6.
~
ATTACHINGTHE SEAT(Hardware C)
Place the seat in position against the seat pivot bracket,
lining up the slotted holes in the pivot bracket with the
holes in the seat. Select desired position for the seat,
_and secure with hex self-tapping screws. See figure 7.
AnACHINGTHECHUTEDEFLECTOR
FIGURE7. A WARNING: Do not operate your unit unless
the chute deflector has been properly in-
stalled.
~
Hex Nuts
Cupped
.Washers
r\l~)
\"
J
.
1. Remove the truss machine screws. cupped
washers and hex jam nuts which are attached to
the deck next to the chute opening.
2. Place the chute deflector in position as shown in
~ figure 8. Secure with hardware just removed.
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:1; Truss Machine
,I : Screws
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1/1 I ,
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1/1 do ,
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FIGURE 8.
---- TIREPRESSURE
The tires on your unit may be over-inflated for shipping
purposes. Reduce the tire pressure before operating
the unit. Recommended operating tire pressure is ap-
proximately 12 p.s.i. (checK sidewall of tire for tire
manufacturer's recommended pressure).
AWARNING: Maximum tire pressure under
any circumstances is 30 p.s.i. Equal tire
pressure should be maintained on all tires.
9

CONTROLS
LIGHTSWITCH
Push the light switch to turn on the lights. The lights
will only operate when the engine is running. See figure
9.
AMMETER
The ammeter registers the rate of battery charge or
discharge. The ammeter will register on the discharg-
ing side when starting the engine. It should register on
the opposite side (charging) when the engine is run-
ning in the fast position until the battery is completely
charged. With a fully charged battery or with the engine
idling, the ammeter will not show acharge. See figure 9.
FIGURE 9.
THROTTLECONTROL
The throttle control is used to regulate the engine
speed. To get maximum efficiency from cutting, the
throttle should be in the FAST position when operating
the mower. See figure 9.
CLUTCH-BRAKEPEDAL
The clutch-brake pedal is located on the left side of the
lawn tractor. Depressing the clutch-brake pedal part
way disengages the clutch. Pressing the pedal all the
way down disengages the clutch and engages the disc
brake. See figure 9.
NOTE: The clutch-brake pedal must be depressed to
start the engine.
CHOKECONTROL
The choke control is located on the dashboard and is
operated manually. See figure 9.
PARKINGBRAKE
The speed control lever is used to set the parking brake.
To set the parking brake, depress the clutch-brake
pedal. Press the speed control lever outward and all
the way to the rear of the unit. Release the speed con-
trol lever and the clutch-brake pedal.
To release the parking brake, depress the clutch-brake
pedal. press the speed control lever outward and move
to desired position. Release the speed control lever and
the clutch-brake pedal.
NOTE: The parking brake must be set if the operator
leaves the seat with the engine running.
SHIFTLEVER
The shift lever is located in the center of the console
and has three positions, FORWARD, NEUTRAL and
REVERSE. See figure 9. The clutch-brake pedal must
be depressed and the lawn tractor must not be mov-
ing when shifting gears. Do not force the shift lever.
Release the clutch-brake pedal slightly to line up the
shifting collar in the transmission. Then try to shift
gears.
SPEEDCONTROLLEVER
The speed control lever allows you to regulate the
ground speed of the lawn tractor. See figure 10. To
select the ground speed, depress clutch pedal. Push
speed control lever outward and move backward to
slow lawn tractor, move forward to increase speed.
When desired speed has been obtained, release lever
in that position. Whenever clutch is engaged, unit will
automatically go to the pre-set speed.
IGNITIONSWITCH
Turn the key to the START position to start the engine.
When the engine is running, let the key return to the
ON position. To stop the engine, turn the key to the left
to the OFF position and remove it to prevent accidental
starting. See figure 9.
10

INTERLOCKS(Not Shown)
Interlock safety switches are located by the clutch-brake
pedal. the li"t lever, the gear shift lever and under the
seat.
Before the engine will start, the clutch-brake pedal must
be (jepressed all the way and the lift lever must be in
the disengaged position.
Before the IJnit can be shifted into reverse or if the
operator leaves the seat, the lift lever must be in the
disengaged position.
CUTTINGCONTROLS
A. LIFT LE"ER
The lift lever is used to raise and lower the cutting deck
and to engage and disengage the blades. Pulling it all
the way back and locking it disengages the blades.
NOTE: Thelift lever must be in the disengaged posi-
tion when starting the engine, when shifting into reverse
and if the operator leaves the seat. See figure 10
B. DECK LIFT INDICA TOR
The deck lift ,ndicator marks the position being used
for the lift lever. Select the lift lever position desired.
press the indicator lever outward, move it to the posi-
tion immediately below the lift lever and release the in-
dicator lever. See figure 10.
C. SETTING THE CUTTING HEIGHT
1. Select the position for the lift lever which gives the
desired cutting height. Move the deck lift indicator
so that the lift lever can be returned to the same
position after it is raised.
2. Set the deck wheels so the wheels are '/4to '/2 inch
above the ground.
OPERA TION
WARNING: Do not operate the lawn trac-
tor if the interlock system is malfunction-
ing because it is a safety device, designed
for protection.
4.
Set the throttle control in the FAST position. See
figure 9.
5. Pullout choke knob to choke engine (a warm
engine may not require choking).6.
Turn the ignition key to the START position. When
the engine is running, let the key return to the ON
position. See figure 9.
7 Push choke knob in gradually. Move the throttle
control to desired engine speed.
STOPPINGTHEENGINE
Turn the ignition key to the left to the OFF position.
Remove the key to prevent accidental starting.
IMPORT ANT: If you strike a foreign object, stop theengine.
Remove wire from spark plug, thoroughly in-
spect the unit for any damage, and repair the damage
before restarting and operating the mower.
NOTE: If any problems are encountered, refer to the
Trouble Shooting Chart on page 24.
STARTING"rHEENGINE
NOTE: To open the hood, simply lift up on both s;de~;
of th'e hood.
1. Service the engine with oil and gasoline as de..
scribed in the engine section of this manual.
2. Depress the clutch-brake pedal and set the park-
ing brake.
3. Place the lift lever in the DISENGAGED position..
See figure 10.
IMPORTANT: This unit is equipped with a safety in-
terlock system for your protection. The purpose of the
safety interlock system is to prevent the engine from
cranking or starting unless the clutch-brake pedal is
depressed and the lift lever is in the disengaged posi-
tion. In addition, the lift lever must be in the disengaged
position when the unit is put into reverse or the engine
will ~)hutoff. Ifthe operator leaves the seat with the lift
lever engaged and/or without setting the parking brake.
the engine viiiI shut off.
OPERATINGTHE LAWNTRACTOR
1. Set the desired cutting height.
2. Start the engine as instructed on this page.
3. Move throttle control to 3/4or full throttle to prevent
strain on the engine and to operate the cutting
blades.
4. Place the shift lever in either the FORWARD or
REVERSE position.
11

WARNING: Look to the rear before back-
ing up. Move the lift lever into the DISENGAGED position to
raise the deck and disengage the blades.
GRASS CATCHER Stock Number 95-1136-1 (Factory
No. 190-064) is available as optional equipment.
AWARNING: The mower should not be
operated without the entire grass catcher
or chute deflector in place.
NOTE: Under normal usage bag material is subject to
wear, and should be checked periodically. Be sure any
replacement bag complies with the mower manufac-
turer's recommendations.
For replacement bags, use only factory authorized
replacement bag.
SEATADJUSTMENT
The seat may be adjusted to different positions. Refer
to seat installation section of assembly instructions.
STEERINGWHEELADJUSTMENT
There are four height positions for the steering wheel.
To adjust the height of the steering wheel, remove the
hex bolt and hex lock nut on the steering shaft. Place
the steering wheel in the position desired and secure
with hex bolt and hex lock nut. Refer to figure 5.
NOTE: When raising the height of the steering wheel,stretch
the steering bellow to cover the steering shaft.
DECKLEVELINGADJUSTMENT
If an uneven cut is obtained, the deck may be leveled
as follows.
With unit on hard, level surface, measure the distance
from the bottom edge of the center of the left side of
deck to the ground. Measure the same distance on the
center of the right side of the deck (just behind the
chute area on side discharge units). Or, place the
blades in a straight line, and measure the distance fromthe
outside edge of the blade tips to the ground.
Adjust the lift link on the left side of the deck asnecessary.
See figure 11. Recheck the adjustment.
5. Release the parking brake by depressing the
clutch-brake pedal, pressing outward on the speed
control lever and moving to desired position. Use
first speed position when operating the lawn trac-
tor for the first time.
6. Release clutch-brake pedal slowly to put unit into
motion.
7. The lawn tractor is brought to a stop by depress-
ing the clutch-brake pedal.
NOTE: When operating the unit initially, there will be little
difference between the highest two speeds until after
the belts have seated themselves i~to the pulleys dur-
ing the break.in period.
Be sure that the lawn is clear of stones, sticks, wire,
or other objects which could damage lawn mower or
engine. For best results and to insure more even grass
distribution, do not mow when lawn is excessively wet.
A WARNING: Before leaving the operator's
position for any reason, disengage the
blades, place the shift lever in neutral,
engage the parking brake, shut engine off
and remove the key.
When stopping the unit to empty a grass bag, etc.,
follow the instructions above. This procedure will also
eliminate "browning" the grass, which is caused by hot
exhaust gases from a running engine.
If unit stalls with speed control in high speed, or if unitwill
not operate with speed control lever in a low speedposition,
proceed as follows.
1. Place shift lever in NEUTRAL.
2. Restart engine.
3. Place speed control lever in high speed position.
4. Release clutch-brake pedal fully.
5. Depress clutch-brake pedal.
6. Place speed control lever in desired position.
7. Place shift lever in either FORWARD or
REVERSE, and follow normal operating pro-
cedures.
'-'II~dJU.t.b::::::~:::::~-~
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~~-==:~-===="==""~
OPERATINGTHE CUTTINGBLADES
The cutting blades may be engaged while the fawn trac-
tor is moving or standing still. DO NOT engage the cut-
ting blades abruptly as the sudden belt tension on the
pulley may cause the engine to stall.
WARNING: Keep feet and hands away from
the discharge opening, the blades or any
part of the deck. When the unit is used for
other than mowing operations, the blade
drive should be disengaged. ,//
FIGURE11.
12

SPEEDCONTROLADJUSTMENT(See figure 12)
NOTE: When operating the unit initially or after replac-
ing the belt5. there will be little difference between the
highest two speeds until after the belts have gone
through a break-in period and have seated themselves
into the pull~ys.
First. adjust the speed control lever by pushing the
clutch-brake pedal forwaroj until the stop on the brake
rod is against the frame ..efigure 12. Have another
person hold the pedal in this position as you make the
following adjustment. Place the speed control lever in
parking brake position. Remove the hairpin clip and flat
washer. and adjust the ferrule on the rod so it is against
the back end of the slot. See figure 12. Replace the
flat washer and hairpin clip.
7. Place speed control lever in first position.
8. Remove the cotter pin and flat washer which
secures the speed control link to the variable speed
torque bracket assembly.
9. Push the clutch-brake pedal backward by hand as
far as it will go using light pressure. Hold it in this
position as you thread the speed control link in or
out of the ferrule until it lines up with the pin on
the variable speed torque bracket assembly.
10. Secure speed control link to variable speed torque
bracket assembly with flat washer and cotter pin.
NEUTRALADJUSTMENT
1 Place the transmission in neutral. (The unit will
move freely when pushed forward and backward
with the parking brake released.)
2. Loosen the bolt which secures the shift lever
assembly to the shift lever link. See figure 13.
3. Place the shift lever in the netural slot. See figure
13.
4. Tighten the bolt to 13 foot pounds.
Variable Speed
Torque Bracket
Assembly
Next. adjust the speed control link as follows to obtain
the correct neutral adjustment.
1. Start the engine.
2. Place the shift lever in Neutral position.
3. Place the speed control lever in high speed
position.
4. Release ~h~ clutch-brake pedal completely, then
slowly depress the pedal all the way (to park posi-
tion). Hold the pedal in this position.
5. Turn the engine off.
6. After engine stops completely, release the clutch-
brake pedal. ~
,\
'~
~ :':" ~
Cotter Pin
and Flat Washer
Speed
Control
Lever
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,
~-~ Speed Contro!
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FIGURE 12. 13

FIGURE 15.
BRAKEADJUSTMENT(See figure 16)
The brake is located by the right rear whee! inside the
frame. During normal operation of this machine, the
brake is subject to wear and will require periodic
examination and adjustment.
WARNING: Do not have the engine running
when you adjust the brake.To
adjust the brake, remove the cotter pin. Adjust the
castle nut so the brake starts to engage when the brake
lever is V4II to 5/16" away from the axle housing.
NOTE: Figure 16 is shown with the unit tipped up onrear
wheels for clarity only.
FIGURE 13.
WHEELADJUSTMENT
The caster (forward slant of the king pin) and the
camber (tilt of the wheels out at the top) require no ad-
justment. Automotive steering principles have been
used to determine the caster and camber on the trac-
tor. The front wheels should toe-in 1/8 inch.
To adjust the toe-in, follow these steps.
1. Remove the hex nut and lock washer, and drop
the tie rod end from the wheel bracket. See figure
14.
2. Loosen the hex jam nut on tie rod.
3. Adjust the tie rod assembly for correct toe-in.
Tie"
Rod Hex,
Nut
Hex Nut
Lock Washer Tie Rod
End
A WARNING: Always stop engine and
disconnect spark plug wire before clean-
ing, lubricating or doing any kind of work
on lawn tractor.
STEERINGGEARS
Lubricate teeth of steering gears with automotive multi-
purpose grease after every 25 hours of operation or
once a season. See figure 17.
FIGURE 14.
Dimension "B" should be approximately 1/8" less than
Dimension "A." See figure 15.
A.) To increase Dimension "B," screw tie rod into tie
rod end.
B.) To decrease Dimension "B," unscrew tie rod from
tie rod end.
C.) Reassemble tie rod. Check dimensions. Readjust
if necessary.
14

STEERINGSHAFT
Lubricate steering shaft at least once a season with light
oil.
ENGINE
Refer to the engine section of Iris manual for all engine
maintenance instructions.
CLEANINGENGINEAND BLADEHOUSING
Any fuel or 011spilled on the machine should be wiped
off promptly. Grass, leaves, and other dirt must not be
left to accumulate around the cooling fins of the engine
or on any part of the machine
Clean the underside of the blade housing after each
mowing.
CUTTINGBLADES
A. Removal for Sharpening or Replacement
-Steering Gears AWARNING: Be sure to disconnect and
ground the spark plug wire and remove
ignition key before working on the cutting
blade to prevent accidental engine start-
ing. Protect hands by using heavy gloves
or a rag to grasp the cutting blades.
1. Remove the large bolt and lock washer which holds
the blade and adapter to the blade spindle.
2. Remove the blade and adapter from the spindle.
3. If the blade or blade adapter needs replacing.
remove the two small bolts, lock washers and nuts
which hold the blade to the adapter.
B. Sharpening
Remove the cutting blades by following the directions
of the preceding section.
When sharpening the blades. follow the original angle
of grind as a guide. Itis extremely important that each
cutting edge receives an equal amount of grinding to
prevent an unbalanced blade. An unbalanced blade will
cause excessive vibration when rotating at high speeds.
may cause damage to the mower and could break,
causing personal injury.
The blade can be tested for balance by balancing it on
a round shaft screwdriver. Remove metal from the
heavy side until it balances evenly
NOTE: It is recommended that the blade always be
r'emoved from the adapter for the best test of balance.
FIGURE 17.
VARIABLESPEEDPULLEY
Lubricate needle bearings inside the variable speed
pulley with light oil once a season. Also lubricate the
bearings inside the pulley by putting a small amount
of light oil ort the shaft. Then start the tractor, and with
the shift lever in neutral, move the speed selector for-
ward and backward which will move the center sheave
and distribute the oil on the shaft. Be careful not to get
oil on the sheaves of the pulleys or on the belts. which
could cause the belts to slip.
TRANSAXLE
The transaxle is lubricated at the factory and does not
require che(:king. If disassembled for any reason,
lubricate with 10 oz. of Shell grease, part number
737-0148 (16 oz. package).
The rear axles may be lubricated once a season, us-
ing the access hole on each side of the transaxle hous-
ing. See figure 16. A push-type hand grease gun.
equipped with a special flush coupler is required. Use
Shell grease, part number 737-0148 (16 oz. package).
WHEELS
The f, Jnt wheels are provided with grease fittings. The
rear wheels must be removed from the axle for lubrica-
tion. Lubricate both front and rear wheels at least once
a season with automotive multi-purpose grease.
PIVOTPOINTS
Lubricate all pivot points with light oil at least once a
season.
MAINTENANCE
C. Reassembly
Before reassembling the blade and the blade adapter
to the unit. lubricate the spindle and the inner surface
of the blade adapter with light oil. Lubricating the bolt
holes, bolts and inner surface of the nuts with light oil
is also recommended. A 4 oz. plastic bottle of light oil
lubricant is available. Order part number 737-0170.
Engine oil may also be used.
When replacing blades, be sure to install the blade with
the side of the blade marked "Bottom" (or with part
number) facing the ground when the mower is in the
operating position.
AWARNING: Disconnect the spark plug wire
and ground against the engine before per-
forming any repairs or maintenance.
TROUBLESHOOTING
Refer to page 24 of this manual for trouble shooting
information.
15

Blade Mounting Torque
3/8" Dia. Bolt 375 in. Ib, min.. 450 in. Ib, max.
5/16" Dia. Bolt 150 in. Ib, min., 250 in, Ib, max,
To insure safe operation of your unit, ALL nuts and bolts
must be checked periodically for correct tightness.
FUELFILTER
Your unit is equipped with a replaceable in-line fuel
filter. Replace filter whenever contamination or
discoloration is noticed. Order replacement- filter
through participating Western Auto Stores.
5. Disconnect the spring which is attached to a
bracket on the transaxle. inside the left rear wheel.
Use a spring puller or other suitable tool.
6. Disconnect the six deck links by removing the hair-
pin clips and flat washers.
7. Disconnect the stabilizer plate from the stabilizer
shaft assembly by removing the hairpin clips and
flat washers and sliding out the rod.
8. Place the lift lever in the disengaged position.
9. Slide the deck from beneath the lawn tractor.
10. Remove the belt guards at each deck pulley by
removing the hex bolts, lock washers and hex nuts.
See figure 19.
BELTREMOVALANDREPLACEMENT
WARNING: Disconnect the spark plug wire
and ground it against the engine. Block the
wheels of the unit.
NOTE: Figures 18 and 22 through 24 are shown with
the unit tipped up for clarity. It is not necessary to tip
the unit to remove the belts.
However, if tipping the unit is desired, remove the bat.
tery from the unit. To prevent gasoline leakage, drain
the gasoline, or remove the fuel tank cap, place a thin
piece of plastic over the neck of the fuel tank and screw
on the cap. Be certain to remove the plastic when
finished changing the belts. Block unit securely.
Deck Belt Removal and Replacement
1. Place the lift lever in the disengaged position.
2. Remove the hex bolts (belt keepers) from the
engine pulley belt guard. See figure 18.
NOTE: When reassembling, make certain hex bolts are
assembled in the same locations from which they were
removed. See figure 1B.
Belt Guard
FIGURE 19.
11. Remove and replace the belt, reassemble follow-
ing the instructions in reverse order.
Rear Drive Belt
1. Place shift lever in neutral position. Unscrew the
shift knob. Remove the two truss head screws
which secure the transmission cover. See figure
20A.
2. Lift the transmission cover. Unplug the safety wire
from beneath the transmission cover. See figure
208. Remove transmission cover.
rAI/ ,-j IBI [
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3.
Unhook the deck belt from the engine pulley.4.
Place the lift lever in the engaged (all the way for-
ward) position. FIGURE 20.
16

6. Remove the engine pulley belt guard by slipping
it back and to the right. See figure 23.
3 Push the idler pulley toward the right side of the
unit. Lift the belt over the idler pulley. See figure 21.
4 Remo\'e the belt from the variable speed pulley.
5. Remo'v.e the two bolts which hold the shift lever
bracket to the frame on the left side of the unit.
Swing ~he bracket toward the right so the belt can
be removed from the transmIssion pulley. See
figure ;~1.
6. Replace belt, and reassemble in reverse order
FIGURE 23.
7. Place the clutch-brake pedal in park position.
8. Push forward on the variable speed pulley Iand lift
the belt off the engine and remove the belt from
the engine pulley
9. Release the clutch-brake pedal. Using the pedal
to move the variable speed pulley as necessary,
lift the belt up and off the variable speed pulley.
NOTE: When reassembling, make certain belt is inside
the pins. See figure 24.
FIGURE 21.
Front Drive Belt
1. To remol/e the front drive belt. first remove the rear
drive belt from the idler pulley and variable speed
pulley.
2. Place the lift lever in the disengaged position.
3. Remove the three hex bolts (belt keepers) from the
engine pulley belt guard. Refer to figure 18.
NOTE: MakE~certain hex bolts are reassembled as
shown in figure 18.
4. Unhook the deck belt from the engine pulley.
5. Remove the two bolts. lock washers and nuts on
each side of the frame which hold the engine pulley
belt guard to the frame. See figure 22.
FIGURE 24.
10. Reassemble with a new belt. following instructions
in reverse order.
FIGURE22. 17

BATTERYREMOVALORINSTALlATION
AWARNING: When removing the battery,
follow this order of disassembly to prevent
the screwdriver from shorting against the
frame.
COMMONCAUSESFORBATTERYFAILUREARE:
1. Overcharging
2. Undercharging
3. Lack of water
4. Loose holds downs and/or corroded connections
5. Excessiv~ loads
6. Battery :':trolyte substitutes
7. Freezing of electrolyte
NOTE: THESE FAILURES DO NOT CONSTITUTE
WARRANTY.
1. Remove the Negative cable.
2. Remove the Positive cable.
To install a battery:
1. Attach the Positive cable.
2. Attach the Negative cable. TIRES
Recommended operating tire pressure is approximately
12 p.s.i. (check sidewall of tire for tire manufacturer's
recommended pressure). Maximum tire pressure under
any circumstances is 30 p.s.i. Equat tire pressure
should be maintained on all tires.
When installing a tire to the rim, be certain rim is clean
and free of rust. Lubricate both the tire and rim
generously. Never inflate to over 30 p.s.i. to seat beads.
JUMPSTARTING
1. Attach the first jumper cable from the Positive ter-
minal of the good battery to the Positive terminal
of the dead battery.
2. Attach the second jumper cable from the Negative
terminal of the good battery to the FRAME OF THE
UNIT WITH THE DEAD BATTERY.
A WARNING: Excessive pressure (over 30
p.s.i.) when seating beads may cause
tire/rim assembly to burst with force suffi-
cient to cause serious injury.
A WARNING: Failure to use this starting pro-
cedure could cause sparking, and the gas
in either battery could explode.
OFF-SEASON
STORAGE
BATTERYMAINTENANCE
1. Check periodically (every two weeks or before and
after charging) to be sure electrolyte level is above
the lowest line on battery. Add only distilled water
or a good quality drinking water. NEVER add ad-
ditional acid or other chemicals to battery after in-
itial activation.
2. The battery should be checked with a hydrometer
after every 25 hours of operation. If the specific
gravity is less than 1.225. remove battery and
recharge.
3. Coat the terminals and exposed wiring with a thin
coat of grease or petroleum jelly for longer service
and protection against electrolyte corrosion,
4. The battery should be kept clean. Any deposits of
acid should be neutralized with soda and water.
Be careful not to get this solution in the cells.
Ifthe machine is to be inoperative for a period longer
than 30 days, prepare for storage as follows.
1. Clean the engine and the entire unit thoroughly.
2. Lubricate all lubrication points. Wipe the entire
machine with an oiled rag to protect the surfaces.
3. Refer to the engine section of this manual for cor-
rect engine storage instructions. The engine must
be completely drained of fuel to prevent gum
deposits from forming on essential carburetor
parts, fuel lines and fuel tanks.
4. Refer to battery storage instructions on this page.
5. Store unit in a clean, dry area.
NOTE: When storing any type of power equipment in
an unventilated or metal storage shed, care should be
taken to rustproof the equipment. Using a light oil or
silicone, coat the equipment, especially any chains,
springs, bearings and cables.
BATTERYSTORAGE
1. Charge battery using normal methods. NEVER
store discharged battery as it will not recover.
2. When storing battery for extended periods, discon-
nect battery cables. Removing battery from unit is
recommended.
3. Store in cold, dry place.
4. Recharge battery whenever the specific gravity is
less than 1.225, before returning to service, or
every two months, whichever occurs first.
18

FOR ENGINE MODEL 281707-0411-01
IMPORT ANT: Do not start the engine before reading
the following section of this manual.
AWARNING: Do not operate engine in an
enclosed area. Exhaust gases contain car-
bon monoxide, an odorless and deadly
poison.
AI'Nays remove ignition key and disconnect
spark plug wire from spark plug before per-
forming any repairs or maintenance.
SECTION "1
BEFORE STARTING
Recommended SAE Viscosity Grades
Fill Sump With Oil-Use a high quality detergent oil
classified "~or Service SF, SE. SD or SC." Nothing
should be added to the recommended oil.
Place engirle level. Clean area around oil fill before
removing oil dipstick.
Remove oil dipstick. Fill to full mark on dipstick. Pnur
slowly. Capacity approximately 3 pints; however, a
small amou'1t of oil may be present from the factory.
When checking oil level, screw dipstick assembly firmly
but slowly until cap bottoms on tube. Do not overfill
or excessive smoking may occur when engine is run-
ning. Dipstick assembly must be securely assembled
to tube at all times when engine is operating.
NOTE: Be ,:ertain to fill only to the full mark on the
dipstick. Do not overfill.
Fill Fuel Tank-The engine will operate satisiactorily
on any gasoline intended for automotive use. DO NOT
MIX OIL WITH GASOLINE.
The use of clean, fresh, lead.free gasoline IS recom-
mended. Leaded gasoline may be used if lead-free is
not available. A minimum of 77 octane i.c reCOrTt-
mended. The use of lead-free gasoline results in fewer
combustion deposits and longer valve life.
Do not fill fuel tank to point of overflowing. Allow tank
space for fuel expansion
19

SECTION 2
STARTING
AWARNING: ALWAYS KEEP HANDS AND
FEET CLEAR OF MOWER BLADE OR
OTHER ROTATING PARTS.
Lift
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Clutch-
Brake
Pedal'
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To Start Engine
1. Depress the clutch-brake pedal and set the park-
ing brake.
2. Place the lift lever in the DISENGAGED position.
3. Set the throttle control in the FAST position.
4. Pull choke knob out to choke engine.
NOTE: A warm engine requires less choking than a
cold engine.
5. Turn the ignition key to the START position. When
the engine is running, let the key return to the ON
position.
NOTE: The best starter life is provided by using short
starting cycles of several seconds. Prolonged crank-
ing can damage the starter motor if cranked more than
15 seconds per minute.
6. Push choke knob in gradually. Move the throttle
control to desired engine speed.
To Stop Engine-Turn ignition key to OFF position.
CAUTION: Always remove key from switch when leav-
ing equipment unattended or when equipment is not
in use.
Cold Weather Starting Tips
1. Be sure to use the proper oil for the temperature
expected.
2. Declutch all possible external loads.
3. Set throttle control at part-throttle position.
4. A slightly richer fuel mixture, obtained by turning
carburetor needle valve 1/8 turn counterclockwise,
will usually improve cold starting.
5. A warm battery has much more starting capacity
than a cold battery.
6. Use fresh winter grade fuel. (Winter grade gasoline
has higher volatility to improve starting. Do not use
gasoline left over from summer.)
I\UJ ~
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To Remove
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Oil Drain Plug
SECTION 3
REGULAR MAINTENANCE
AWARNING: TO PREVENT ACCIDENTAL
STARTING when performing any /' .
maintenance or repairs, always disconnect
spark plug wire from spark plug and ground
against the engine.
\Check Oil Level after each five hours ofoperation. BE
SURE PROPER OIL LEVEL IS MAINTAINED.
Change Oil after first five hours of operation. Thereafter
change engine oil every 50 hours, under normal
operating conditions. Change engine oil every 25 hours
of operation if the engine is operated under heavy load,
or in high ambient temperatures. Change oil while
engine is warm. Oil may be drained through oil drain
plug on side of engine.
Air Cleaner
Service air cleaner at three month intervals or every
25 hours, whichever occurs first.
NOTE: Service air cleaner more often under dusty con-
ditions.
To Service Air Cleaner:
1. Remove two cover knobs and remove air cleaner
cover.
-.d-- Cover~
.~~ Knobs"'~#' . , Cover
~/../ Cartridge
~ Nuts
.Fiber
~~:~~ Washer
-~ .Foam
'r::::;--- Pre-Cleaner
Air Cleaner
Base
20