Yard-Man 131704F User manual

Summer Winter
Spring Fall
Thank you for purchasing an American-built product,
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 through your nearest
engine authorized service dealer.
PRINTED IN U.S.A. FORM NO. 770-7544F

Yourunit wasbuilt to be operatedaccordingto the rulesfor safeoperationin this manual.Aswith any
type ofpowerequipment,carelessnessorerroron thepart ofthe operatorcanresultin seriousinjury.
If youviolateany ofthese rules, you maycauseseriousinjury to yourselforothers.
DANGER:
1. READTHISOWNER'SMANUALcarefullyin itsentiretybeforeat-
temptingto assembleor operatethisunit. Keepthismanualin
a safeplacefor futureand regularreferenceandfor ordering
replacementparts.
2. Thisunitisaprecisionpieceofpowerequipment,notaplaything.
Thereforeexerciseextremecautionatall times.
3. Knowthecontrolsandhowto stopthemachinequickly.
4. Donotallowchildrenunder14yearsoldtooperatevehicle.Children
14yearsandovershouldonlyoperateunitundercloseparental
supervision.Donotallowanyoneto operateit withoutproperin-
struction.Onlypersonswellacquaintedwith theserulesofsafe
operationshouldbeallowedto useyour mower.
5. Wearsturdy,rough-soledworkshoesandclose-fittingslacksand
shirts.Donotwearloosefitting clothesorjewelry.Theycanbe
caughtinmovingparts.Neveroperateaunitinbarefeet,sandals,
or sneakers.
6. To preventinjury,do not carrypassengersor giverides.Keep
children,petsandbystandersoutoftheareawhilemowing.Only
theoperatorshouldrideon the unitandonly ridein theseat.
7. Checkoverheadclearancecarefullybeforedrivingunderpower
lines,guywires,bridgesor lowhangingtreebranches,before
enteringorleavingbuildings,or in anyothersituationwherethe
operatormaybestruckorpulledfromtheunit,whichcouldresult
in seriousinjury.
8. Tomaintaincontroloftheunitandreducethepossibilityofupset
orcollision,operatethetractorsmoothly.Avoiderraticoperation
andexcessivespeed.
9. Thoroughlyinspectthe areato bemowed.Removeallstones,
sticks,wire,bonesandotherforeignobjects.Keeptheareaof
operationclearofallpersons,particularlysmallchildrenandpets.
Stopenginewhentheyareinthevicinityofyourmower.Although
theareaofoperationshouldbecompletelyclearedofforeignob-
jects,asmallobjectmayhavebeenoverlookedandcouldbeac-
cidentlythrownbythe mowerin anydirectionandcauseinjury
toyouor abystander.Planyourmowingpatterntoavoiddischarge
ofmaterialtowardroads,sidewalks,bystanders,petsandthelike.
10. Alwayswearsafetyglassesor eyeshieldsduringoperationorwhile
performingan adjustmentor repair,to protecteyesfromforeign
objectsthatmaybethrownfromthe machineIn anydirection.
11. Stopthe blade(s)whencrossinggraveldrives,walksor roads.
12. Disengageallattachmentclutches,thoroughlydepressthebrake
pedal,andshiftinto neutralbeforeattemptingto startengine.
13. Beforeleavingtheoperator'sposition,disengageblade(s),place
shiftleverin neutral,engageparkingbrake,shutengineoffand
removekey.
14. Donotputhandsor feetnearorunderrotatingparts.Keepclear
ofthedischargeopeningatalltimesastherotatingblade(s)can
causeinjury.
15. Disengagepowerto attachment(s)andstopenginebeforemak-
inganyrepairsoradjustments.Disconnectthesparkplugwire
andkeepthewireawayfromtheplugto preventaccidentalstarting.
16. Beforeattemptingtounclogthemowerordischargechute,stop
theengine.Themowerblade(s)maycontinueto rotatefor afew
secondsaftertheengineisshutoff.Therefore,besuretheblade(s)
havestoppedcompletely.Disconnectthesparkplugwireandkeep
thewireawayfrom the plugto preventaccidentalstarting.
17. Disengagepowertoattachment(s)whentransportingor notinuse.
18. Foryoursafety,usetheslopegaugeincludedaspartofthismanual
to measureslopesbeforeoperatingthis unitonaslopedor hilly
area.Iftheslopeisgreaterthan150asshownontheslopegauge,
do notoperatethisuniton thatareaor seriousinjurycouldresult.
19. Donotstopor startsuddenlywhengoinguphillordownhill.Mow
upanddownfaceofsteepslopes;neveracrosstheface. Use
extremecautionifit isnecessarytodrivethetractorupanincline
orbackthetractordownaninclinebecausethefrontofthetrac-
tor couldlift andrapidlyflip overbackwardwhichcould cause
seriousinjury.
20. Reducespeedonslopesandinsharpturnsto preventtippingor
lossofcontrol.Alwayskeepthetractorin lowgearwhengoing
downsteephillstotakeadvantageofenginebrakingaction.Choose
alowenoughgearsothatyouwill nothavetostoporshiftwhile
on theslope.
21. Stayalertforholesinterrainandotherhiddenhazardswhichmay
causethe unitto tip over.
22. Usecarewhenpullingloadsor usingheavyequipment.
A. Useonlyapproveddrawbarhitchpoints.
B. Limitloadstothoseyou cansafelycontrol.
C. Donotturn sharply.Usecarewhenbacking.
D. Usecounterweight(s)or wheelweightswhensuggestedin
owner'smanual.
23. Watchoutfor trafficwhencrossingor nearroadways.
24. Whenusinganyattachments,neverdirectdischargeofmaterial
towardbystandersnorallowanyonenearvehiclewhileinoperation.
25. Handlegasolinewithcare.It is highlyflammable.
A. Extinguishcigarettes,cigars,pipesandall othersourcesof
ignition.
B. Useapprovedgasolinecontainer.
C. Neverremovecaporaddgasolineto arunningor hotengine
orfillfueltankindoors.Allowtocoolatleast2minutesbefore
refilling.Wipeup spilledgasoline.Alwaysuseoriginaltype
ventedcap.
D. Opendoorsif engineis run in garage.Exhaustfumesare
dangerous.Donotrun engineindoors.
26. Neverstorethemachinewithfuelinthefueltankinsideabuilding
wherefumesmayreachanopenflameorspark,suchashotwater
andspaceheaters,clothesdryers,andthelike.Allowtheengine
to coolbeforestoringin anyenclosure.
27. Toreducefirehazard,keepengineandcuttingdeckfreeofgrass,
leavesor excessivegreaseor oil.
28. Keepthevehicleandattachmentsin goodoperatingcondition,
andkeepsafetydevicesin place.Useguardsas instructedin
operator'smanual.Donotoperatethisunitunlessthechutedeflec-
tor, guards,andsafetyinterlocksystemareinstalledandfunc-
tioningproperly.
29. Keepall nuts, bolts, and screws tight to be sure the equipment
is in safeworking condition.
30. Thevehicleandattachmentsshouldbestoppedandinspectedfor
damageafterstrikingaforeignobject.Thedamageshouldbe
repairedbeforerestartingandoperatingtheequipment.
31. Donot changetheenginegovernorsettingsor overspeedthe
engine.
2

This owner's manual covers two models of lawn
tractors. Follow only those instructions which per-
tain to your model lawn tractor.
Refer to the separate deck manual for all informa-
tion concerning the deck.
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 separate engine manual
packed with your unit.
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BATTERYIt
Self- Tapei_~g Screws
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FIGURE 1.
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.
3
32. Whenusingthe vehiclewith mower,proceedasfollows: 34. Lookbehindto makesurethe areais clearbeforeplacingthe
A. Mowonlyin daylightor in goodartificiallight. transmissionin reverseandcontinuelookingbehindwhileback-
B. Nevermakeacuttingheightadjustmentwhileengineisrunning ingup.Disengagebladesbeforeshiftingintoreverseandbacking
ifoperatormust dismountto doso. up.
C. Shuttheengineoff andwaituntilthebladecomesto acom- 35. Thisunitshouldnotbedrivenuparampontoatraileror truck
pletestopbeforeremovingthe grasscatcher. underpower,becausetheunitcouldtipover,causingseriousper-
D. Checkblademountingboltsfor propertightnessat frequent sonalinjury.Theunitmustbepushedmanuallyto loadproperly.
intervals.Also,checkbladesfor wearor damage(e.g. bent, 36. Checkbrakeoperationfrequently.Adjustandserviceaccording
cracked).Replacewithbladewhichmeetsoriginalequipment to brakeadjustmentinstructionsin thismanual.
specifications. 37. Muffler,engine,andbeltguardsbecomehotduringoperationand
33. Checkgrasscatcherbagsfrequentlyforwearordeterioration.For cancauseaburn.Allowto cooldownbeforetouching.
safetyprotection,replaceonlywithnewbagmeetingoriginalequip-
mentspecifications.
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. The loose parts (includes the
battery fluid, steering wheel with steering cap at-
tached and chute deflector) may be on the seat and
wrapped in plastic, or may be located in a box.
Remove all loose parts and carton inserts. Cut the
front corners of the carton. Make certain brake is
released, use the relief valve and push the unit out
of the carton.
2. The seat has been mounted backward for shipping
purposes. Ifthe loose parts are on the seat, careful-
ly cut and remove the plastic wrap.
NOTE: On some units, the seat may be packed with
the loose parts. The self-tapping screws will be attached
to the seat. Remove the screws and assemble as in-
structed.
ASSEMBLINGTHE SEAT
Remove the hex self-tapping screws which secure the
-seat to the seat pivot bracket. Turn the seat around and
place 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 1.
FORMATION
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.

FIGURE 2.
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FIGURE 3.
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.
NOTE: Some units may have the battery and battery
hardware packed with the battery fluid.
1. Lift the seat. Remove the battery cover by press-~ing
in on the sides and lifting up. See figure 2 in-
set. Remove the battery from the rear frame.
2. Open the battery pack. Be careful not to puncture
the box. It contains the battery fluid (acid) in a
plastic container and one short plastic tube.
3. Place the battery on a table or workbench. Make
certain the long plastic drain tube is in place on
the vent elbow.
4. Remove the six fill caps from the top of the bat-
tery with a screwdriver. Be careful not to damage
the fill caps. See figure 2.
5. 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.
6. Fill each battery cell slowly and carefully to the UP-
~PER LEVEL line marked on battery. See figure 3.
Use caution as the acid level will rise rapidly after
the bottom of the cell is filled.
7. Allow battery to stand for 30 minutes with the fill
caps removed, while the plates absorb acid.
8. 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.
9. Before discarding the empty container, neutralize
any residue with baking soda and rinse container
with water. Puncture container several times
before discarding.
10. Charge the battery after the 30 minute standing
period. SLOW CHARGE THE BATTERY (DO NOT
FAST CHARGE).
Model 704F: Charge the battery 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.
Model 734G: Charge the battery at a maximum bench
rate of 2 amperes until the specific gravity reading is
1.265. Charge for a minimum of 3 hours and a
maximum of 5 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-Model 704F: 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.
4

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Terminal
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Battery
Drain jTube- /Positive
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INSTALLINGTHE BATTERY
1. Raise the seat.
2. Make certain the positive cable (heavy red wire)
and negative cable (heavy black wire) are routed
outside the battery opening.
3. Place the battery inside the opening so that the
positive terminal is toward the front of the unit. See
figure 3. Route the battery drain tube down beside
the battery.
4. Remove the hex bolt from the positive (+) terminal.
Place the positive cable on the positive terminal.~See
figure 4. Secure with hex bolt. Be careful not
to lose the nut inside the terminal.
5. Secure the negative cable to the negative (-) ter-
minal in the same manner. Replace the battery
cover over the positive terminal. Lower the seat.
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Black Red
(Negative) (Positive)
Cable Cable
FIGURE 4.
6. Insert the drain tube through the cable tie which
is attached to the transaxle reinforcement bracket
.on the left side of the unit. Be certain drain tube
is routed away from the wheel rim. Pull on end of
cable tie to tighten (do not collapse drain tube).
Trim excess end of cable tie.
Drain/""'- l
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Transaxle
Cable Reinforcement
Tie Bracket
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ATTACHINGTHECHUTEDEFLECTOR
Attach the chute deflector to the deck, following the in-
structions in the separate deck manual packed with
your unit.
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1A WARNING: Do not operate your unit unless
the chute deflector has been properly in-
stalled.
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FIGURE 5. ATTACHINGTHESTEERINGWHEEL
Model 704F Only:
1. Remove the hex lock nut and cupped washer from
the steering shaft, and remove the steering bellow.
Pry the steering insert off the center of the steer-
ing wheel.
2. Attach one end of steering bellow to the steering
~ wheel as shown in figure 6A, inset.
3. Position the front wheels of the tractor so they are
pointing straight forward.
4. Place the steering wheel and steering bellow over
the steering shaft, positioning steering wheel as
desired.
5. Place the washer with the cupped side down over
the steering shaft. Secure with hex lock nut. See
figure 6A.
6. Snap the steering wheel insert over the four spokes
of the steering wheel.
5

Model 734G Only:
Model 734G is equipped with indicator lights, located
in the steering wheel. The steering wheel must beassembled
as follows for proper operation of the in-dicator
lights.
1. Remove the hex lock nut and cupped washer from
the steering shaft, and remove the steering bellow.
Pry the sterring wheel insert off the center of the
steering wheel.
2. The opening in the steering bellow is wider at one
end than the other. Route the five indicator wires
up through the smaller end of the steering bellow.
Slide steering bellow over steering shaft. Insert the
five indicator wires up through the slot in the steer-
ing wheel as shown.
3. Position the front wheels of the tractor so they are
pointing straight forward. Place the steering wheel
over the steering shaft so the wires are at the bot-
Oil pro Clutch
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Steering
sert
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BI.Ck~
Brown f?4S reenHexLock Nut;:?~~~~~ ~
Washer\\'
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Steering
Bellow
FIGURE 68. Model 734G
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tom of the steering wheel (6 o'clock position).
Secure with the cupped washer (cupped side
down) and hex lock nut removed in step 1.
4. Place the indicator wires through the cable tie
located underneath the steering wheel insert. Con-
nect the wires to the same color wire leads in the
steering wheel insert. Tighten the cable tie to hold
the wires securely in position.
5. Snap the steering wheel insert over the four spokes
of the steering wheel, making sure the indicator
lights are positioned at the bottom of the steering
insert (toward the operator).
IMPORT ANT: Be certain to follow step six exactly to
prevent damage to the indicator lights and wire harness
when using the lawn tractor.
6. Position the cable tie and secure the wire harness
as follows.
a. Raise the hood of the tractor, and pull excess
wire down through the dash panel.
b. Partially tighten the cable tie under the dash
panel so the cable tie is snug, but can still slide
up and down the wire harness. Slide the cable
tie up until it is against the dash panel.
c. Turn the steering wheel fully in both directions
(wires will be pulled up into the steering bellow),
then return the steering wheel to the center.
Carefully pull the wires down from the dash
panel, and move cable tie down the wires 1/4
inch.
d. Tighten the cable tie securely. Trim end of cable
tie so at least one inch of the cable tie remains.
7. Pull bellow up against the bottom of the steering
wheel.
TIREPRESSURE
The tires on your unit may be over-inflated for shippingpurposes.
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).
A WARNING: Maximum tire pressure under
any circumstances is 30 p.s.i. Equal tire
pressure should be maintained on all tires.
LEVELINGTHE DECK
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 Oust 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 7. Recheck the adjustment.
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FIGURE7.
6

LIGHTSWITCH
The head lamps are operated by pushing the light
switch located on the dashboard. The head lamps will
only operate when the engine is running. See figure 8.
AMMETER
The ammeter registers the rate of battery charge or
discharge. The ammeter will register on the discharg-
ing side with 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 8.
HYDROSTATICCONTROLLEVER
The hydrostatic control lever is located on top of the
fender on the left side of the tractor. This single con-
trollever, connected to the hydrostatic transmission,
controls both the speed and direction of the tractor. In-
finite speed control is achieved by moving the control
lever forward or backward. The farther forward or
backward you move the control lever, the faster you
will travel. Pulling the control lever into neutral (N) area
will stop the tractor. See figure 9.
IGNITIONSWITCH
The ignition switch is located on the dashboard. Turn
the key to the START position to start the engine. When
the engine is running, leave the key in the ON posi-
tion. To stop the engine, turn the key to the OFF posi-
tion. See figure 8.
AWARNING: Remove the key from the trac-
tor when the tractor is not in use to pre-
vent accidental starting.
THROTTLECONTROL
The throttle control is located on the left side of the
dashboard and is used to regulate the engine speed.
See figure 8. The engine should be operated from 3/4
to full throttle (FAST) when operating any equipment
that uses the tractor engine as a source of power such
as the mowing deck, snow thrower or rotary tiller.
CHOKECONTROL
The choke control is located on the right side of the
dashboard and is operated manually. Details for the
choke operation are covered in the separate engine
manual packed with your unit. See figure 8.
Lift
Lever
Light
Switch
Control I -
Clutch-Brake
Pedal I I
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Ignition
Switch
FIGURE 8A.-Model 704F
~Or-
Light
Switch
Lift
FIGURE 9.
Throttle
Control,j
Clutch-Brak~l1'-.. fill
Pedal! II Y
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CLUTCH-BRAKEPEDAL
The clutch-brake pedal is located on the left side of thetractor.
See figure 8. Depressing the pedal returns the
drive unit to neutral (N) and applies the brake.
NOTE: The clutch-brake pedal must be depressed to
start the engine.
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PARKINGBRAKE
To set the parking brake, depress the clutch-brakepedal,
pull up the parking brake knob and release the
clutch-brake pedal. It will stay in the raised position.
To release the parking brake, depress and release the
clutch-brake pedal. See figure 10.
.h 1--1 ~" SWltC.. PTO ~Switch ~
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FIGURE 8B.-Model 734F
"7

NOTE: The parking brake must be set if the operator
leaves the seat with the engine running. NOTE: The PTO switch must be in OFF position when
starting the engine, when shifting into reverse and if theoperator
leaves the seat.
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""CUTTINGCONTROLSA.
LIFT LEVER
Mode1704F:
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.
~"'"Valve
NOTE: The lift lever must be in the disengaged posi-
tion when starting the engine, when shifting into reverseand
if the operator leaves the seat. See figure 12.
Model 734G:The
lift lever is located on the right side of the lawn trac-tor.
It is used to raise and lower the cutting deck (which
sets the cutting height) and other attachments. Movethe
lift lever outward, select the desired cutting height
and release the lever. See figure 12.
WARNING: The blade does not shut off
when the deck is raised. You must placethe
PTO switch in the OFF position.
B. DECK LIFT INDICATOR
The deck lift indicator 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 12.
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FIGURE 10.
RELIEF VALVE
A hydrostatic relief valve is provided so the unit can
be moved without the engine running. The lever which
operates the relief valve is located on the console. See
figure 10.
To operate the relief valve, place the hydrostatic con-
trol lever in neutral, release the parking brake, push
the lever forward and to the right to lock. Be certain
to release the lever by pushing it to the left before
operating the engine.
INDICATOR LIGHTS (Model 734G Only)
Three indicator lights are located in the steering wheel.
If a light illuminates when attempting to start the unit,
proceed as follows.
CLUTCH-Depress the clutch pedal.
PTO-Place PTO switch in the OFF position.
OIL-Check the crankcase oil level, and add oil as re-quired.
POWER TAKE-OFF (PTO) SWITCH
(Model 734G Only)
The PTO switch is located on the right side of thedashboard.
See figure 11. The PTO switch must be in
the OFF position (down) when starting the engine, when
shifting into reverse and if the operator leaves the seat.
To engage the PTO switch, pull knob out and lift up
to ON position, then release. The knob will return to
RUN position. See figure 11.
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. Move the deck wheels to the hole location so the
wheels are 1/4to 1/2inch above the ground.
FIGURE 11. FIGURE 12.
8
Parking
Brake
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OPERA TION
GASAND OIL FILL-UP
Service the engine with gasoline and oil as instructed
in the separate engine manual packed with your trac-tor.
Read instructions carefully.
NOTE: Your tractor is shipped without oil; however, a
small amount of oil may be present from the factory. Do
not overfi".
WARNING:
Never fill fuel tank indoors,
with engine running or while engine is hot.
Check the fluid level in the hydrostatic transmission
before initial operation. Refer to the Lubrication sec-
tion on page 11.
STARTINGTHEENGINE
IMPORT ANT: 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 (Model 704F) or the PTO swith is in the OFF posi-
tion (Model 734G). In addition, the lift lever must be in
the disengaged position (Model 704F) or the PTO
switch must be in the OFF position (Model 734G), when
the unit is put into reverse or the engine will shut off.
Ifthe operator leaves the seat with the lift lever engaged
(Model 704F) or the PTO switch engaged (Model 734G),
and/or without setting the parking brake, the engine will
shut off.
1. Model 704F: Place the lift lever in the DIS-
ENGAGED position.
Model 734G: Place the PTO switch in the OFF
position.
2. Depress the clutch-brake pedal and set the park-
ing brake.
3. Place the hydrostatic control lever in the NEUTRAL
(N) position.
4. Set the throttle control in the FAST position.
5. Pullout the choke control (a warm engine may not
require choking).
6. Turn the ignition key to the right to the START posi-
tion. After the engine starts, release the key. It will
return to the ON position.
NOTE: Protect the starter life by using short starting
cycles of several seconds. Cranking more than 15
seconds per minute can damage the starter motor.
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 the
engine. 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 17.
COLDWEATHERSTARTINGKIT
A cold weather starting kit is available to disengage the
drive belt to provide easier starting for the hydrostatic
transmission when the weather is cold. Order part
number 753-0509.
OPERATINGTHE LAWNTRACTOR
1. Set the desired cutting height.
2. Start the engine as instructed previously.
3. Move throttle control to full throttle to prevent strain
on the engine and to operate the cutting blades.
4. Depress the clutch-brake pedal so the parking
brake is released, and then release the clutch-
brake pedal.
5. Place the hydrostatic control lever in either the
FORWARD or REVERSE position. The farther for-
ward you move the hydrostatic control lever, the
faster you will travel.
WARNING: Do not operate the tractor if the
interlock system is malfunctioning
because it is a safety device, designed for
protection.
WARNING:
Look to the rear before back-ing
up.
9

I'OiI
Hydrostatic
Control Lever
~~acket
~
~.~.
Loosen
FIGURE 13.
2. Start the engine.
3. Push the clutch-brake pedal all the way forward.
Then release the pedal completely.
The lawn tractor should not move in either direction.
If it does not move, depress the clutch-brake pedal all
the way and set the parking brake, retighten the bolt
and nut which secure the hydrostatic control lever. If
it does move, shut off the engine and adjust as follows.
4. Loosen the hex bolt which secures the pintle arm
extension to the pintle arm, using a rachet wrench
with '/2" socket extension. See figure 14.
-~~ ~rr~'
To stop the lawn tractor, pull the hydrostatic control
lever into NEUTRAL (N) or depress the clutch-brake
pedal.
Be sure that the lawn is clear of stones, sticks, wire,
or other objects which could damage lawn tractor 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 hydrostatic control 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.
GRASSCOLLECTORAVAILABLE
Grass Collector Model 190063 is available as optional
equipment for the lawn tractors shown in this manual.
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.
,I
r~wl
Pintle
Arm
WARNING: Disconnect the spark plug wire
and ground against the engine before per-
forming any adjustments, repairs or
maintenance.
~
~
~'"
~
I
/,
C~J\)'J=Pintle Arm ~~'-1:.n
Extension \Y~ ,
FIGURE 14.-Top View of Transmission
5. Raise both rear wheels off the ground by placing
blocks under the rear frame.
6. Start the engine. Make certain the clutch-brake
pedal is depressed and the parking brake is set.
7. Move the hydrostatic control lever to move the pin-
tie arm until you find neutral (rear wheels do not
rotate in either direction).
SEATADJUSTMENT
To adjust the position of the seat, loosen the four self-
tapping screws on the bottom of the seat. See figure
1. Slide the seat forward or backward as desired.
Retighten the self-tapping screws.
HYDROSTATICCONTROLADJUSTMENT
The hydrostatic transmission control is in correct ad-
justment when the lawn tractor does not move with the
engine running, the clutch engaged and the hydrostatic
control lever in the neutral (N) position.
If adjustment is necessary, follow these steps.
NOTE: A rachet wrench with a 112"socket extension
is required to make this adjustment.
1. Remove the transmission panel by removing the
parking brake knob and truss machine screws.
Loosen the bolt and nut on the bracket on the
hydrostatic control lever. See figure 13. WARNING: Be careful of the cooling fan on
the hydrostatic transmission.
10

CARBURETORADJUSTMENTS
AWARNING: If any adjustments are made to
the engine while the engine is running
(e.g. carburetor), disengage all clutches
and blades. Keep clear of all moving parts.
Be careful of heated surfaces and muffler.
Minor carburetor adjustments may be required to
compensate for differences in fuel, temperature,
altitude and load. Refer to separate engine manual
for carburetor adjustment information.
NOTE: A dirty air cleaner will cause an engine to runrough.
Be certain air cleaner is clean and attached to
the carburetor before adjusting carburetor.
LUBRICA TION
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 16.
STEERINGSHAFT
Lubricate steering shaft at least once a season with lightoil.
8. Tighten the hex bolt which secures the pintle arm
extension to the pintle arm.
9. Release the clutch-brake pedal by pushing all the
way forward, then releasing the pedal.
Check the wheels for movement. They should not rotate
in either direction. If they do, readjust until the wheels
do not move (steps 4, 7 and 8). Then adjust the posi-
tion of the hydrostatic control lever as follows.
10. Depress the clutch-brake pedal all the way and set
the parking brake.
11. Shut off the engine.
12. Depress the clutch-brake pedal all the way and set
the parking brake.
13. Place the hydrostatic control lever in neutral (N).
14. Tighten the bolt and nut on the bracket on the
hydrostatic control lever.
15. Replace the transmission panel and parking brake
knob.
16. Remove the blocks from under the frame, and test
the operation of the lawn tractor.
DECKLEVELINGADJUSTMENT
If an uneven cut is obtained, the deck may be leveled
by following instructions in Assembly section.
BRAKEADJUSTMENT(See figure 15)
The brake is located by the right rear wheel inside the
frame. During normal operation of this machine, the
brakes are subject to wear and will require periodic ex-
amination and adjustment.
AWARNING: Do not adjust the brake while
the engine is running. Be sure to block the
wheels of the tractor before making the
brake adjustment.
To adjust the brake, remove the cotter pin. Adjust the
castle nut so the brake starts to engage when the brake
lever is 1/4" to 5/16" away from the axle housing.
NOTE: Figure 15 is shown with the unit tipped up on
rear wheels for clarity only. FIGURE 16.
TRANSAXLE
The transaxle is lubricated and sealed at the factory
and does not require checking. Ifdisassembled for any
reason, lubricate with 16 oz. of grease, part number
737-3047.
LINKAGE
Once a season lubricate all the pivot points on the
clutch, brake and lift linkage with SAE 30 engine oil.
WHEELS
The front wheels are provided with grease fittings. The
rear wheels must be removed from the axle for lubrica-
tion. Lubricate at least once a season with automotive
multi-purpose grease.
11

If frequent additions are required, locate the leak andcorrect.
Inadequate supply of fluid may result in per-
manent internal damage.
If the natural color of the transmission fluid haschanged,
black or milky, overheating and/or water con-
taminate is indicated. The fluid should be drained and
replaced with new transmission fluid.
To drain the hydrostatic transmission, remove the hex
plug on the bottom of the hydrostatic transmission.
HYDROSTATICTRANSMISSIONCOOLING
The hydrostatic transmission is cooled by the oil, fan
and fins. Ifthe hydrostatic transmission runs hot, check
to see if the fan is in operating condition, the oil level
is correct and the fins are clean.
NOTE: DO NOT use high pressure water spray or steam
to clean the hydrostatic transmission.
PIVOTPOINTS
Lubricate all pivot points with light oil at least once a
season.
BALLJOINTS
The ball joints and drag link ends are permanently
lubricated.
HYDROSTATICFLUIDLEVEL
The transmission has been filled at. the factory and
should not require changing for the life of the
transmission.
The transmission fluid level should be checked prior
to initial use. The level should not be above the LOWER
mark which is about 1/4"from the bottom of the expan-
sion tank. See figure 17. Overfilling reduces the expan-
sion area in the expansion tank and fluid will spill at
operating temperatures.
Iftransmission fluid is needed, use only 1OW3Oengine
oil rated SF or CD.
MAINTENANCE
WARNING: Disconnect the spark plug wire
and ground against the engine before per-
forming any adjustments, repairs or
maintenance.
FIGURE 17.
To check or add fluid to the transmission:
1. Unscrew the parking brake knob.
2. Unscrew the two screws holding the access cover
located in front of the seat.
3. Check the fluid level in the expansion tank. See
figure 17.
4. If it is necessary to add fluid, unscrew the cap on
the expansion tank. The cap has left hand threads.
See figure 18. Remove the rubber bladder. Add
fluid using a funnel. Do not overfill.
5. Reassemble parts.
TROUBLESHOOTING
Refer to the chart on page 17 for trouble shooting
engine problems.
ENGINE
Refer to the separate engine manual for engine
maintenance instructions.
Service air cleaner every 10 hours under normal con-
ditions. Clean every few hours under extremely dusty
conditions. To service the air cleaner, refer to the
separate engine manual packed with your unit.
The spark plug(s) should be cleaned and the gap reset
once a season. Spark plug replacement is recommend-
ed at the start of each mowing season; check engine
manual for correct plug type and gap specifications.
Maintain engine oil as instructed in the separate
engine manual packed with your unit. Read and follow
instructions carefully.
Model 734G Only: Your engine is provided with a drain
hose for your convenience in draining oil from the
crankcase. A clamp secures the drain hose to the side
of the engine. See figure 19. To drain the oil, remove
the hose from the clamp, and remove the drain plug
from the end of the hose. Be certain to replace the drain
plug and to use the clamp to secure hose to the engine
before operating.
FIGURE 18.
12

Dimension "B" should be approximately 1/8" less than
Dimension "A." See figure 21. To increase Dimension
"B," screw tie rod into tie rod end. To decrease Dimen-
sion "B," unscrew tie rod from tie rod end. Reassem-
ble tie rod. Check dimensions. Readjust if necessary.
A
G
Front
, B.
t 4 (1/8" Less Than A) .
FIGURE 21.
CUTTINGBLADESA.
Removal for Sharpening or Replacement
~ WARNING: Be sure to disconnect and
ground the spark plug wire and remove
Rod
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. It is 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
removed from the adapter for the best test of balance.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. p'lastic bottle of light oil
I Hex Jam
Nut
Hex Nut
Lock Washer Tie Rod
End
FIGURE 20.
13
FIGURE 19.-Model 734G Only
FUELFILTER
Your unit is equipped with a replaceable in-line fuel
filter. Replace filter whenever contamination or
discoloration is noticed. Order replacement filter
through your authorized engine service dealer.
CLEANINGENGINEAND DECK
Any fuel or oil spilled 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 deck after each mowing.
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 end of the tie rod from the axle bracket. See
figure 20.
2. Loosen the hex jam nut on tie rod.
3. Adjust the tie rod assembly for correct toe-in.

BATTERYREMOVALORINSTAllATION
WARNING: When removing the battery,
follow this order of disassembly to prevent
your wrench from shorting against theframe.
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.
Blade Mounting Torque
3/8" Dia. Bolt 375 in, lb. min., 450 in. lb. max.
5/16" Dia. Bolt 150 in. lb. min., 250 in, lb. max,
To insure safe operation of your unit, all nuts and bolts
must be checked periodically for correct tightness.
1. Remove the Negative cable.
2. Remove the Positive cable.
To install a battery:
1. Attach the Positive cable.
2. Attach the Negative cable.
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.
AWARNING: Failure to use this starting pro-
cedure could cause sparking, and the
gases in either battery could explode.
MAINTENANCEOF BATTERY
1. Check electrolyte level periodically (at least every
two weeks). Keep the level to the split rings. Use
only distilled water or a good quality drinking water.
Never add acid or any other chemicals to the bat-
tery after initial 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, the battery should be
recharged. For Model 704F, maximum charge rate
5 AMPS.
3. Coat the terminals and exposed wire with a thin
coat of grease or petroleum jelly for longer service
and protection against 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.
5. Avoid tipping the battery. Even a "sealed" battery
will leak electrolyte when tipped.
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. Equal 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 rimgenerously.
Never inflate to over 30 p.s.i. to seat beads.
WARNING: Excessive pressure (over 30p.s.i.)
when seating beads may causetire/rim
assembly to burst with force suf-
ficient to cause serious injury.
DECKBELTREPLACEMENT
When replacing the deck belt, disconnect the spring
from transaxle, inside the right rear wheel (step 5).
Refer to the separate deck manual packed with your
unit.
STORAGEOFTHE BATTERY
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.
COMMONCAUSESFORBATTERYFAILURE
1. Overcharging
2. Undercharging
3. Lack of water
4. Loose hold downs and/or corroded connections
5. Excessive loads
6. Battery electrolyte substitutes
7. Freezing of electrolyte
DRIVEBELTREPLACEMENT
MODEL 704F (See Figure 22)
1. Depress the clutch pedal and set parking brake.
2. Remove the deck from the lawn tractor.
3. Raise and block the front wheels of the lawn trac-
tor so you can work under it.
4. Remove the transmission panel, and unhook the
spring from the rear idler pulley.
NOTE: These failures do not constitute warranty.
14

5.
Unplug the electric PTO.6.
Remove the torque bracket by removing two hex
bolts and washers. See figure 23.
7. Remove the belt keeper assembly by removing the
four self-tapping screws which hold the belt keeper
assembly to the frame at the engine pulley. See
figure 23.
5. Remove the four self-tapping screws which hold
the belt keeper assembly to the frame at the engine
pulley. Remove the belt keeper assembly.
6. Loosen both the front and rear idler pulleys.
Remove the belt from around the idler pulleys.
7. Roll the belt off of top sheave of engine pulley, on-
to the pulley hub.
8. Units with Cold Weather Starting Kits Installed:
Remove the rear belt guard at the transmission
pulley by removing two hex bolts, lock washers and
hex nuts.
9. Remove belt from the transmission pulley, lifting
the belt up over the fan on top of the pulley.
10. Remove belt from the engine pulley, and remove
from the unit.
Reassemble using a new belt, following instructions in
reverse order. r -
EnginePulley
Self- TapPi~g ,
Screws ,
aelt./Keeper
Assembly
~If- Tapping
/" Screws
FIGURE 23.-
Model
734G
r
~
,J
8. Loosen the idler pulley. Remove the belt from
around the idler pulley.
9. Roll the belt off of top sheave of engine pulley, onto
the pulley hub.
10. Units with Cold Weather Starting Kits Installed:
Remove the rear belt guard at the transmission
pulley by removing two hex bolts, lock washers and
hex nuts.
11. Remove belt from the transmission pulley, lifting
the belt up over the fan on top of the pulley.
12. Remove belt from the engine pulley, and remove
from the unit.
Reassemble using a new belt, following instructions in
reverse order.
Rear'
Idler
Pulley Unhook
Spring
-- IBelt Guard
(Cold Weather
Starting Kit) .. 1] 1=
y
Transmission
Pulley
FIGURE 22.-Model 704F
==-
Pulley "Unhook
Spring
Belt Gua
~d'(Cold Weather
StartingKi~L~
Transmission
Pulley
--Ig~
::L ! -
~r~
-
y
MODEL 734G (See Figures 23 and 24)
1. Depress the clutch pedal and set parking brake.
2. Remove the deck from the lawn tractor.
3. Raise and block the front wheels of the lawn trac-
tor so you can work under it.
4. Remove the transmission panel, and unhook the
spring from the idler pulley. FIGURE 24.- Model 734G
15

forming on essential carburetor parts, fuel lines
and fuel tanks.4.
Refer to battery storage instructions on page 14.
5. Store unit in a clean, dry area.
If the 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 manual for correct engine
storage instructions. The engine must be com-
pletely drained of fuel to prevent gum deposits from
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.
16

TROUBLE
SHOOTING CHART FOR ELECTRIC START MODELS
TROUBLE
ngine will not
crank
LOOK FOR REMEDY
Battery installed incor-
rectly The battery must be installed with the negative terminal, identified at the terminal post by (Neg, N
or -). grounded. The positive terminal (Pos. Por +) attaches to the large cable from the solenoid.
The small red wire from the fuse holder or circuit breaker is also attached to the positive terminal.
Blown fuse or circuit
breaker Replace fuse with 71/2amp. fuse V4 x 1V4" Ig. Circuit breaker will reset itself when it cools off. Fuses
or circuit breakers seldom open or fail without a reason. The problem must be corrected. Check for
loose connections in the fuse holder. Replace fuse holder if necessary. A dead short may be in the
cranking or charging circuit where the insulation may have rubbed through and exposed the bare
wire. Replace the wire or repair with electrician's tape if the wire strands have not been damaged.
Note: Look for a wire pinched between body panels, burned by the exhaust pipe or muffler or rubbed
against a moving part.
Battery is dead or weak I Use a hydrometer to check the condition of the battery. The Specific Gravity (s.g.) should be 1.265
at80°F. (1.215 s.g. minimum needed for cranking engine). The reason for the battery failing must
be determined. (1) Defective battery. Battery will not accept or hold a full charge. (2) Short circuit.
Check for grounded wire. (3) Charging system not working.
The charging system is an alternator located under the flywheel. It is unregulated and rated 3 amp.
at3600 r.p.m. A diode (rectifier) is located in the output lead just before the wire harness plug on
the engine side.
The diode changes A.C. to D.C. to charge the battery. A bad diode can either fail to charge the bat-
tery or discharge the battery if the alternator is shorted as well as the diode. To test: (1) Disconnect
charger lead from the battery (small red wire). (2) Connect 12 V small test lamp between the 3 amp.
D.C. charge lead and the positive terminal of the battery. (3) With the engine off, the lamp should
not light. If it does, the diode and possibly the alternator should be replaced. (4) Start the engine.
The lamp should light. If itdoes not, the alternator (stator) or lead wire is bad and should be replaced.
Mechanical failure
(Wires and switches) The interlock system includes two mechanical activated switches which are wired in series in the
circuit used to energize the starter solenoid. While testing the interlock system, you will make the
mower temporarily unsafe by permitting the engine to be started with the blade and clutch engaged.
WARNING: While testing, disengage the clutch, shut off the blade control, set the parking brake and
place the gear shift lever in neutral. Attach a wire (minimum 18 gauge) to the positive terminal of the
battery and touch the other end to the small terminal on the solenoid. If the engine does not crank: (1)
There is a loose connection or poor ground. (2) The solenoid may be bad. The solenoid can be checked
by using a heavy wire (#8 gauge minimum) and jumping between the two large terminals. Ifthe engine
cranks, the solenoid is bad. (3) If the engine does not crank when you jump the solenoid, have the
starter motor tested by an authorized engine dealer. If the engine does crank, the problem is with
one of the safety switches, ignition switch or the wire between the fuse holder (or circuit breaker) and
the small terminal on the solenoid. Note: Look for a poor connection at the switches or a defective
switch. Replace if necessary.
Engine cranks
but will not start Throttle or choke not in
starting position Check owner's guide for correct position for throttle control and choke for starting.
No spark to spark plug Spark plug lead disconnected. Connect lead. Hold spark plug lead away from engine block about
1/8". Crank engine. There should be a spark. If not, have engine repaired at authorized engine ser-
vice dealer.
Faulty spark plug. To test, remove spark plug. Attach spark plug lead to spark plug. Ground the spark
plug body against the engine block. Crank the engine. The spark plug should fire at the electrode.
Replace if it does not.
17

TROUBLE
SHOOTING CHART FOR ELECTRIC START MODELS
TROUBLE LOOK FOR REMEDY
No fuel to the carburetor! Gasoline tank empty. Fill.
Fuel line or in-line fuel filter plugged. Remove and clean fuel line. Replace filter if necessary.
Air filter dirty Ifthe air cleaner is dirty, the engine may not start. Clean or replace as recommended by the engine
rRanufacturer.
Engine smokes Engine loses crankcase
vacuum Dipstick not seated or broken. Replace defective part.
Engine breather defective. Replace.
Excessive
vibration Bent or damaged blade
spindle Stop engine immediately. Check all pulleys, blade adapters, keys and bolts for tightness
and damage. Tighten or replace any damaged parts.
Bent blade Stop engine immediately. Replace damaged blade. Only use original equipment blades.
Mower will not
discharge
grass or leaves
uncut strips
Engine speed low
Transmission selection
Blades short or dull
Throttle must be set between 3/4 and full throttle.
Use lower transmission speed. The slower your ground speed, the better the quality of cut.
Sharpen or replace blades (uncut strip problem only).
No output torque (power) in eitherdirection,
cold start. 1. Recheck relief valve position, control linkage, input drive.2.
Oil level in reservoir low.
3. Broken control shaft dowel pin. Transmission must be repaired or replaced.
Loss of output torque, continuous
load. 1. Operating at conditions approaching hydraulic stall. The transmission fluid
has exceeded 1800 F.
2. Internal leakage due to wear. Transmission should be repaired or replaced.
3. Water in transmission fluid. Purge system of all fluid and replace with new
transmisison fluid. Replacement of the transmission is generally not necessary.
No output torque in one direction. 1. One of the directional valves is stuck. Transmission should be repaired or
replaced.
2. Low oil level.
Lawn tractor cannot be pushed
with engine off. 1. Relief valve control not set.
2. Relief valve travel not adjusted.3.
Motor piston or rotor seized. Transmission must be repaired or replaced.
No neutral. Recheck linkage. Loose linkage creates an adjustment problem.
Note: The hydraulic neutral band is very narrow. Deflection in the linkage may
make it difficult to obtain neutral from both directions. It is recommended that
neutral should be positive from forward drive.
Oil leakage at the control shaft seal. 1. Spillage when fluid has been added to the reservoir.
2. Spillage at the vent in the reservoir at operating temperatures due to cold
level being too high or water in the fluid. Reduce fluid level or replace fluid
in the event there is water in it (milky color).3.
Loose oil reservoir or cover.4.
Loose vent bolt.5.
Damaged control shaft seal. Transmission should be repaired.
Noisy operation. 1. Operating at part throttle. Hydrostatic transmission is designed to operate with
the engine running at full throttle.2.
Water in transmission fluid. Replace transmission fluid.
3. Air in transmission fluid. Bleed air from vent.
Output shaft rotates in the opposite
direction. The transmission body is 1800 out of position. Transmission has to
be removed and reassembled correctly.
18

YaRD-MaN COMPANY. P.O. BOX 360940 .CLEVELAND, OHIO 44136
For two years from the date of original retail purchase, YaRD-MaN COMPANY will either repair
or replace, at its option, free ofcharge, F.O.B. factory or authorized service firm, any part or parts
found to be defective in material or workmanship. Transportation charges for the movement of
any power equipment unit or attachment are the responsibility of the purchaser. Transportation
charges for any parts submitted for replacement under this warranty must be paid by the purchaser
unless such return is requested by YaRD-MaN COMPANY.
This warranty will not apply to any part which has become inoperative due to misuse, excessive
use, accident, neglect, improper maintenance, alterations, or if the unit has not been operated
and maintained in accordance with the instructions furnished. This warranty does not apply to
the engine, Peerless components, motor, battery (except as noted below) or component partsthereof.
Please refer to the applicable manufacturer's warranty on these items.
A battery which proves defective within ninety (90) days will be replaced without charge. After
90 days but within one hundred twenty (120) days ofpurchase, YaRD-MaN COMPANY will replace
the defective battery for a charge of 1/2 of the current retail price of the battery in effect at the
date of return.
Warranty on units used commercially is limited to sixty (60) days.
Warranty service is available through your local authorized service dealer or distributor. If you
do not know the dealer or distributor in your area, please write to the Customer Service Depart-
ment of YaRD-MaN.
The return of a complete unit will not be accepted by the factory unless prior written permission
has been extended by YaRD-MaN.
This express limited warranty is in lieu of all other warranties, express or implied, including any
implied warranty of merchantability. The remedy of replacement is the sole and exclusive remedy
for YaRD-MaN obligations arising from the sale of its products. In no case will YaRD-MaN be
liable for incidental or consequential loss or damage.
This warranty gives you specific legal rights. You may also have other rights which vary from state
to state.

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