Case J40 User manual

JI Case
ATennecoCompany
LTENNECO

INTRODUCTION
ThemodelJ-40RotaryMowerisdesigned
tomoimtonmodels210,220,222and224
compacttractorsaboveserialnumber
9646800.ModelJ-44RotaryMowersmount
onmodels210,220,222,224,442,444
and446tractorsaboveserialnumber
9646800andmodels644and646loader
tractors.ThemodelJ-46Mowerwill
mountonthesametractorsastheJ-44,
however,itisnotrecommendedforthe
model210or220.Thesemowerscanbe
moimtedonModel220and222tractors
priortoserialnumber9646800byusingthe
ModelH38AdapterKit.TheModelH39
AdapterKitisrequiredtomountthese
mowersonModel442and444compact
tractorspriortoserialnumber9646800.
TheAdapterKitsareavailableasoptional
equipment. MOTi
A,WhenmoimtingJ seriesmowerson
tractorswithoutrubberenginemounts
usebeltpartnumberC17050for200
seriestractorsandC17052for400
seriestractors.
B. WhenmountingJ-44orJ-46mowerson
the646loaderusebeltpartnumber
C13184whichissuppliedwiththe
tractor.
C.WhenmountingtheJ-44orJ-46mowers
onthe446tractoroneoffsetliftlink,
partnumberCI9652isrequired.This
linkissuppliedwiththetractor.
Thismanualcoversrecommendedopera-
tingprocedures,safetysuggestions,ad-
justments,maintenanceinformation,and
installationinstructions.Readthismanual
carefullybeforeoperatingyourrotary
mower.YourJ I CaseCompactTractor
Dealeriswellqualifiedtoanswerany
furtherquestionsyoumighthaveconcerning
yourrotarymower.Also,iftheneed
shouldarise,hisServiceDepartmentwith
factorytrainedtechnicians,genuineCase
replacementpartsandtherequiredfa-
cilitiesisina positiontoprovideproper
repairsintheshortesttimepossible.
LIFT LEVER
TRAVEL LEVER
BELT TENSION
ADJUSTING CRANK
iHEIGHT SELECTION
KNOB
Figure1,
GUAGE
WHEELS

Thedefinitions"Right,Left,FrontandRear"
asusedthroughoutthismanualrelatetothe
tractorandrotarymowerastheoperatoris
seatedfacingforwardinthenormalopera-
tingpositiononthetractor.
Alwaysmakecertainthetractorattachment
driveclutchisdisengagedbeforestarting
theengineandwhentransportingtherotary
mower.
OPERATING CONTROLS
Theprinciplecomponentsandcontrolsof
yourrotarymowerareidentifiedinFigure
1withthesamedescriptionusedthrough-
outthismanual.
Allcontrolsareconvenientlylocatednear
theoperator'spositiononthetractor.The
mowerbladesareplacedinmotionbyen-
gagingthetractorattachmentdriveclutch
lever.Thedesiredmowingheightcanbe
quicklyadjustedwiththeheightselection
OPERATING SAF
LOOK FORTHIS SYMBOL
TO POINTOUTIMPORTANT
SAFETY PRECAUTIONS
knob. Seeinsetphoto.Figure1.Generally
bestperformanceisobtainedwiththetrans-
missionin*'Low"rangeandtheenginerun-
nii^ approximately3/4throttle.Thethrottle
shouldbesetaslowaspracticaltoobtain
maximumfueleconomybuthighenoughto
preventenginelug-downorlaborwhichcould
causeoverheatingandpoormowing.Ad-
justthetractorgroundspeedwiththeTravel
leveraccordingtoyourmowingconditions.
ETY SUGGESTIONS
7. Maintainyourtractorandrotarymower
intopoperatingcondition,
8.Nevergetonoroffthetractorwhile
mowerisrunning.
9.Operatein"Low"rangeandusegreater
cautiononsteepslopesorinclines.
1.Regardyourrotarymowerasa pieceof
powerequipmentandbesurethismanual
isreadandunderstoodbyallwhoop-
erateit.
2. Clearthelawnorareatobemowedof
sticks, stonesoranyhardobjectswhich
couldcomeincontactwiththeblades
andbehurledoutthedischargeopening.
3. Donotpermitchildrenorpetsinthe
areawhilemowing,
4. KEEPFEETANDHANDSAWAYFROM
DISCHARGEOPENINGANDMAKENO
REPAIRSUNLESSBOTHTHETRACTOR
ENGINEANDPTOARESHUTOFF,
5. Fillgastankoutofdoorsandavoid
spillinggasoline.Donotfilltankwith
gasolinewhilesmokingorwhileengine
isrunning,
6.Neverallowchildrenoryoungteen-
agerstooperatethetractorandrotary
mower.
10. Besureyouknowhowtostopthetrac-
torandmowerata momentsnotice.
11. Givecompleteandundividedattention
tothejobathand.
12. Stoptheengineanddisengagetheattach-
mentdrivewhentractorisunattended.
13. Disengageattachmentdriveclutchwhen
someoneapproaches.
14. Donotallowanyoneotherthantheop-
eratortorideonthetractor.
15. Neverdirectthemowerdischargeat
people,pets,windows,orcars.
16. Disengagetheattachmentdriveclutch
whenevermowerisintransportor
liftedposition.
17. STOPANDINSPECTTHEMOWER
FORDAMAGEIMMEDIATELYAFTER
STRIKINGA FOREIGNOBJECTAND
REPAIRDAMAGEBEFORERESTART-
INGANDOPERATINGTHEMACHINE.

OPERATING METHODSAND TIPS
1.Keepmowerbladessharpandbalancedas
coveredinAdjustmentsandMaintenance
Section.
2. Operateengineatapproximately3/4
throttleandregulatethegroundspeed
TravelLeveraccordii^tomowingcon-
ditions.Asa generalrule,setthe
throttleaslowaspracticaltoobtain
maximumfueleconomybuthighenough
toavoidenginelug-downorlaborwhich
couldcauseoverheating.Unlessgrass
isunusuallylight,alwaysoperatein
"Low"speedrange,
3. Ifgrassisheavyandhigherthannormal,
resultscanbeimprovedbymowingtwice.
Makethefirstcutwiththemowerset
higherthannormal;thenrepeatwiththe
mowersetatdesiredfinishedcutheight.
Whenmowingheavygrass,alwaysdis-
chargeclippingsawayfromtheuncut
area,
4. Figures2 and3 illustratetwosystems
formowing.Ifthegrassishighor
heavy,alwaysmowtothrowtheclip-
pingsawayfromtheuncutarea.Figure
2. Ifthegrassislightandmorethor-
oughmulchingisdesired,dischargethe
clippingstowardthecenteroftheuncut
area.Figure3.Whenmowinginthis
manner,a finalstripofmulchedclip-
pingsaboutthreetofourfeetwidewill
remainnearthecenterofthelawn.This
canbeeasilyrakeduptoleavea well
groomedappearance.
5. Trimmingwillbeneaterandcloserby
usii^ therightsideofthemowersince
theclippingswillbedischargedaway
fromtheobject.Alsothesafetyshield
overthedischargeopeningprevents
mowingasclosetoobjects.
6,Donotsteponthemowerdeckwhen
gettii^onoroffthetractor.Ifmounting
thetractorfromtherightside,place
yourrightfootontherightfootrest,
yourrighthandonsteeringwheeland
lefthandontheseatbackandsteponto
thetractor,swingingyourleftfoot
throughbetweenthesteeringwheeland
seat.
Whenmountingfromtheleftside,start
withyourleftfootontheleftfootrest,
yourlefthandonsteeringwheeland
righthandonseatbackandsteponto
tractorswirlingyourrightfootthrough
betweensteeringwheelandseat.
mm.
0)
Figure2. Figure3.

Dismountthetractorusii^thereverse
oftheaboveprocedures,
7. Thetractormechanicalorhydrauliclift
leverisusedtoraisethemowerinto
transportandtoloweritintocutting
position.A slightpullingpressureon
themechanicalleverwillpermitthere-
leasebuttontobemoreeasilyde-
pressed.The"HeightSelection"set-
tingsareexplainedintheADJUST-
MENTANDMAINTENANCEsection
whichfollows.
8.Engagetractorandmowerdrivesys-
temssmoothly- notquicklyorjerky,
A
9.Becertainwhoeveroperatesthemower
hasreadandunderstandsthepreceding
"OperatingSafetySuggestions."
ADJUSTMENTS ANDMAINTENANCE
1,HeightSelectionLever:SeeF^ure4
Themowercuttingheightisadjustable
from 1-1/2" to3-1/2"with1/2"set-
tingsavailableinbetween.Tochange
thecuttingheight,pulloutwardonthe
selectionknob,movetheleverupor
downtodesiredheightsettingandpush
backintomatchinghole.Relievethe
weightontheselectionleverbyraising
mowerintotransportpositionbefore
adjustingthecuttingheight.Always
operatethemowerwiththegauge
wheelsonthegroundandallweight
offthemowerliftlinkstoobtaina
levelanduniformcut.
Checkandadjustthetensionona new
beltafterthefirst20minutesandthe
nexthourofmowingsinceitisnormal
fora belttostretchslightlyduringits
initialrim-inperiod.Toincreasethe
belttension,turntheadjustingcrank
ina counterclockwisedirectionwhile
facingthefrontofthetractor.Itis
alsonecessarytoturntheadjusting
crankcoimterclockwiseasfarasitwill
goinordertoattachorremovethe
mountingbracketfrommodel210,220
222and224tractors.Todecrease
thebelttensionortoinstallorremove
thebelt,turntheadjustingcrankclock-
wise.
FORE-AFT
DECK LEVER
ADJUSTMENT LINKS
Figure4,
2. DriveBeltTension:SeeFigure5
\l mm KEY CLOCKHISE
Wt HAND ASFARAJ
POSSIBLE AND PLACE
ATTACHMENT DRIVE IN
ENGAGEMENT POSITIM.
31 INSTALL BELT OVER
PULLEYS AND IDLER
PULLEYS ASSHOWN.
DOUBLE CHECK THATTHE
BELT IS PBOPEftLY SEAT-
ED IN EACH PULLEY WTH
ONLY ONE90 DEGREE
TWIST BETWEEN SUCCEED-
ING PULLEYS.
31 WIND KEY COUNTER-
CLOCKWISE UNTIL SPRING
SHOWS DAVLIGHT BETWEEN
COILS AS VIEWED FROM
THE SIDE. THETWO IDLER
PULLEYS SHOULD BE
APPHOX, EVEN OR CLOSE
TO A COMKIN CENTER-
LINE.
41AT PERIODIC INTERVALS
RECHECK FOR PROPER
TENSION AND ADJUST AS
REQUIRED.
Thedrivebeltisproperlytensioned
whenthetwofrontidlerpulleysare
inline(parallelwitheachother).Figure5,
%-
5

3, MowerBladeBolts:
Beforeoperatingthemowerforthe
firsttime,checktheboltsholdingthe
blades.THEYMUSTBETIGHT.After
thefirst8 hoursoperating,checkthem
again.Wheneverthebladesarere-
moved,itisa goodpracticetoinstall
newlockwashersunderthebolts,and
againchecktightnessafternext8 hours
operation,
4. EngineMaintenance:
Completetractorandenginemain-
tenanceinstructionsareoutlinedon
page12and13ofyourtractorOpe-
rator'sManual,Whenmowing,give
particularattentiontotheareaswhich
areaffectedbygrassaccumulation.
Checkandbrushofftheengineair
intakescreenandheatexchangerfins
DAILY.Alsocheckandcleanthe
engineaircleanerelementdailyas
explainedonpage21ofyourtractor
manual.Ifmowingunderparticularly
dryordusyconditionsa "Precleaner,"
partnumberK0237421,isavailable
throughyourJ I CaseDealerwhich
fitsovertheregularelement.See
Figure6,Thisprecleanercanbe
washedoutwithsoapandwaterasnec-
essarywhichwillextendthelifeofthe
dryelementfurnishedwiththetractor.
Figure6.
5. MowerFore-AftLevelingLinks:See
Figure7,
Theselinksareadjustedatthefactory
forcorrectmowerdecklevel.Clean
cuttingandminimumhorsepowercon-
sumptionaredependentuponthemower
beinglevel,foreandaft.Ifreadjust-
mentshouldbecomenecessary,locate
thetractorandmowerona levelsur-
faceandplacetheHeightSelectorLever
inthe2-1/2"settingbeforemaking
adjustments.Toraisethefrontof
themower,firstloosentheouternut
oneachlinkandthenequallyturnthe
innernutsrearward.Tolowerthefront
ofthemower,loosentheinnernuton
eachlinkandturntheouternutsfore-
ward.Checkbladeheightsasclose
tothefrontandrearedgesofthemower
aspossible.Distancebetweenthe
bladesandthelevelsurfaceshouldbe
thesameatbothfrontandrearedges
ofmower,
6,MowerSideToSideLeveling:See
Figure7,
Mowersidetosidelevelingisad-
justedatthefactory.However,should
readjustmentbecomenecessaryitmay
bedonebylooseningthetwocarriage
boltsontherighthandsidethatsecure
thegaugewheelcarriertothedeck.
Theholesmaybeslottedifadditional
adjustmentisrequired.Afterob-
taininga levelposition,retightenthe
carriagebolts.
7, MowerGaugeWheels:SeeFigure7,
Removethegaugewheelsaftereach
10hoursofmowingandluricatethe
bushingsandaxleboltswithchassis
grease.
Asanalternatetogrease,the
wheelscanbeoiledeachfourhours
ofoperation.Makesuretheoil
penetratestotheinsideofthe
bushingsbyholdingthedeckat
aslantedanglewhilelubricating.
Figure7.
-sr.
6

Figure8.
8.MowerDeckBeltReplacement:
Figure8, See
Thedeckbeltisautomaticallyten-
sionedbya springloadedidlerpulley
anddoesnotrequireadjustment.If
anewbeltisinstalled,placeitaround
thethreespindlepulleysasillustrated.
Placea 9/16"boxwrenchoverthe
hexnutontheidlerpulleyandpivot
thepulleytowardsthefrontofthe
moweruntilthebeltcanbeeasily
placedoverthebacksideoftheidler
asshown.Checktomakesurethe
beltisnotrolledortwistedbefore
replacingcovers.
9.SharpeningBlades:SeeFigure9.
Checkthemowerbladesperiodically
fornicksordullness.Damagedor
dullbladescancausea shatteredrather
thancleancutandbrownareasmay
develop.Theleftpicture.Figure9,
illustratesthecorrectangleatwhich
toresharpenthebladecuttingedges.
Ifthecuttingedgeissharpenedata
bluntangleasshownintherightpic-
ture, thegrassmayalsobeshattered
ratherthancleanlycut.
CORRECT ANGLE
OF SHARPENED
CUTTING EDGE
WRONG ANGLE TO
SHARPEN CUTTING
EDGE
10, BalancingBlades:SeeFigure10.
Aftera bladeissharpened,checkit
forbalancebyinsertinga dowelor
boltinthecenterholeandplacebe-
tweentwoleveledgesasshownin
Figure10.A balancedbladewill
centeritselfsothecuttingedgesare
parallelwiththeedges,
CAUTION Unbalancedbladesarea hazard
andwillcauseprematurewear
andfailureofbearingsand
spindles.Ifthebladescannot
bebalancedbyresharpening
them,replacewithnewblades.
11, Checkandcleanouttheinsideofthe
deckhousingperiodically.Removeany
grasswrappingsbetweentheblade
mountingplatesandthespindlehous-
ings. Grasswrappings,ifallowedto
accumulate,mayworktheirwayunder
thebearingsanddamagetheseals.Ex-
cessivegrassaccumulationinthedeck
housingwillwasteenginehorsepower
andcausepluggingandstreakingas
wellascorrosion,
12, Maintainthetiresatequalandrecom-
mendedpressures.Refertotractor
Operator'sManual.
DOWEL OR BOLT
BLADE
CUTTING
EDGE
ANGLE IRON
Figure9. Figure10,
7

INSTALLATION
A,Locatethetractorona levelsurface.
Checktiresforequalandrecommended
pressuresasoutlinedonpage7 ofthe
tractoroperator'smanual.
B. Beforeinstallingthemower,layout
andchecktheindividualcomponents.
TheModelJ44orJ46,44"or48"
mowerisillustratedinFigure11and
includesanextradrivebeltandlift
linkstopermittheirinstallationon
eitherhighorlowclearancetractors
withoutseparatemountingkits.Since
theModelJ40,38"mowerisonlyin-
tendedfortheModel210,220or222
tractors,itdoesnotincludetheextra
beltorlinks.
C.Thefollowinginstallationsequenceis
thesamewhetherthetractorisequipped
withhydraulicormechanicallift.
MOWER DECK ASSEMBLY
DRIVE BELT(S)
MOUNTING
BRACKET
LIFT LINKS FOR210,220,222,
224,644AND646 TRACTORS
NOTE: ALL FOUR LIFT LINKS ARE PACKAGED LOOSE.
ILLUSTRATION SHOWSTHE LONGER LINKS INSTALLED
FOR MOUNTING ONMODEL442AND444 TRACTORS.
Figure11.
8

1.TheModelJ40mowerisshippedwith
onlytwostraightliftlinksandone
drivebeltsinceitisonlyrecom-
mendedforthe210,220,222and224
tractors.ModelJ44andJ46mowers
areshippedwithfourstraightliftlinks
andtwodrivebeltssotheycanbe
mountedonbothhighandlowclear-
ancetractors.SeeFigure11foriden-
tificationoftheliftlinks.
Model210,220,222,224,644and646-
Assemblethetwoshorterlinkstothe
mountingbracketandsecurewithcotter
pins. Theslottedendofthelinksare
tobelaterconnectedtotractorlift
levers.
Model442and444- Assemblethetwo
longerlinkstothemountingbracket
asshowninFigure12andsecurewith
cotterpins.
Model446- Assemblestraightlong
liftlinktoleftsideandoffsetlong
liftlink,partnumberC19652toright
sideofmountingbracketandsecure
withcotterpins.
Figure12.
2. Beforeattachingthemountingbracket
onModel210,220,222or224tractors,
turntheadjustingcrankcounterclock-
wiseasfaraspossibletoprovide
mountingclearanceatthefrontaxle.
SeeFigure13.Thisstepisnotre-
quiredfortheModel442,444,644
and646tractors.
3. Positionthemountingbracketunderthe
frontofthetractorandontotheanchor
pinsasshowninFigure12.Raise
thefrontofthebracketandreleasethe
snappinstolockinplace.
NOTE Model644and646- Themounting
bracketisattachedtothese
loaderswiththetwoclevispins
andsafetypinsconnectedtoeach
frontsideoftheframe.
4, Placeliftleverinthefullylowered
positionandconnecttheliftlinksto
thefrontholesinthetractorliftlever.
Withthetractorliftleversinthefully
loweredposition,placea plainwasher
ontheclevispinsandinstallthelift
linksontheinsideoftheleversas
showninFigure12.Securethelinks
withthesafetypinsattheoutside.
5, Raisetheliftleverintothetransport
position.
6.Slidethemowerunderthetractorfrom
therighthandsideandalignthedeck
withattachingholesinthemounting
bracket,Lx)werthemountingbracket
tothemowerdeck.
Figure13.
9

7. SeeFigure14.Installthefore-aft
levelinglinksasillustratedandse-
curewithsafetypins,
8.Connectthemountingbrackettothe
tabsonthemowerdeckwiththeclevis
pinsandsafetypinsprovided.
Liftingthemowerdeckupward
slightlywillaidinaligningthe
holesbetweenthemountingbrack-
etanddecktabs.
TwobeltsarepackagedwithModelJ44,
44'* andJ46,48"mowers.Ifmounting
thesemowersonModel210,220,222,
224or644tractors,usetheshorter
belt.Thelongerbeltmustbeused
whenthemowerismountedona Model
442, 444or446tractor.Ifmounting
themoweronthe646wheelloader,
drivebelt,partnumberC13184isre-
quired.Thisbeltisnotincludedwith
themower.
Figure14.
9.SeeFigure15.Pulltheattachment
drivelevertothe"on"position.Raise
thehoodandremovethesparkplug
wireasa safetyprecaution.Insert
PrintedinU.S.A.40
thedrivebeltinfrontoftheidler
pulleys,betweenthefanandheatex-
changerandontotheattachmentdrive
clutchpulley.Turntheadjustingcrank
clockwiseuntilthebeltcanbeeasily
placedaroundtheidlerpulleysandonto
themowerdrivepulley,
10. Checktomakesurethebeltisproperly
locatedineachpulley.Turnthead-
justingcrankcounterclockwisetoten-
sionthebeltuntilthetwoidlerpulleys
comeintoalignment.Puttheattach-
mentdriveleverintothe"off"position
andreconnectthesparkplugwire,
IMPORTANT Beforeoperatingthe
mower,reviewandfollow
therecommendationsout-
linedintheAdjustments
andMaintenancesectionof
thismanual.
MOTi TheJ I CaseCompanyreserves
therighttomakeimprovementsin
designorchangesinspecifications
atanytimewithoutincurringany
obligationstoinstallthemonunits
previouslysold.
TURN COUNTERCLOCKWISE TO
TIGHTEN BELT ANDTO INSTALL
OR REMOVE BRACKET ONMODEL
210,220,222or224 TRACTORS.
Figure15.
EKSEO
10

Printed InU.S.A.