Case L-90 User manual

JI Case
ATennecoCompany
LTENNECO

SAFETYMESSAGES
A
This';af(.'Tv;<lt!t"tsymholindicatesiinpoilaiitsaf(?tvmessagesintli",
iTunuiil, Whenyouseetinssymliol,carefullyreadthe me!=sdC|e
thtitfoMovvsandbealeittothepossibihlyofpersonalinjuryoi
death.
A
CAUTION: DONOTeni|)tysvjcep-
ei hop|)et, drivesweepercloseto,oi
iKick Ltpto,ano[)enfire.Sweepes
iio|)|3er contentsand svveei:ier l)iiish
esareflanimal)ieandmayignite
lesultinyin[lossihk' ()tM"sonal injiiiy
or[)ro|)ertydamage.
CAUTIOM: PutIractoiinneutral,
sto|j(?nc]ineandsetparkiiujbrake
A
befoieleavingtractorseatto:
1, Hookorunhooksvv(?eper
2. Unplui)svvee|:)eibrushes
3.Adjustsv.v(;e[n,'rheight
4. Emptyswee|ieihasket
OI foranyo^herri'
A
CAUTION: Yoursweepermay
throwdeljrisas fiii" asthetiactor
opeiatoi's[position.Torcciucethe
|)ossihilitvofinjuiytotheoperator,
thefollowii.griilosmustbeotjserved:
1. uvealsa'-nyglasses(withside
shields)aialltimeswhilesvvee|)
ing.
2. Regulategioundspeedsothe
patiiofdei)-isterminatesatthe
frontinsitleedgeoftheho|)|jer.
3.Adjus*sv.ve(-])erheighttothe
transportoositionwhenever
crossingroa(rsoi"driveways.Al-
wayscrosstheseareasatveiy
slows|"ieeds.
CAUTION: BefJiehangingswee[)ei
forstoiage,makeabsnlutelyneilaiti
thewallandhooksoi.lailsaieof
^^ft^^L sufficientca|.'..iOiTvto•up[)oitthe
^^^^^^^^ sweepeiwhiciiweicjlis125 [lOLinds
(66,5kyl.

INTRODUCTION
The McMzlel L-90Sweeperisdesignedforuse with mostyoursweeper.Thetermsright, left, front andrearrefer
makesofcompacttractorsandridingmowers with a tothesweeperwhenseatedonthetractorseatfacingthe
drawbar.Readthismanualcarefullybeforeoperatingnormaldirectionofforwardtravel.
Figure1 L-90Sweeper
PREPARATION
OPERATION
Theareatobesweptshouldbeclearedofalllargetwigs,
sticks, andobjectswhich might plugorbethrownbythe
sweeper.Smalltwigsmaybesweptifapproachedina
directionparallel with thebrushes.
CAUTION:Yoursweepermay
throwdebrisasfarasthetractor
operator'sposition.Toreducethe
possibilityofinjurytotheoperator,
thefollowingrulesmustbeobserved:
1. Wearsafety glasses (with side
shields) atalltimeswhilesweep-
ing.
2.Regulategroundspeedsothe
pathofdebristerminatesatthe
front insideedgeofthehopper.
3.Adjustsweeperheighttothe
transportpositionwhenever
crossing roadsordriveways.Al-
ways cross theseareasatvery
slow speeds.
HEIGHTADJUSTMENTS
Theheightadjustmentselectorhassevenholes.Thetop
holeisthetransportposition.Thetransportposition
should beusedwhenevercrossingdrivesorroadways,when
transportinglongdistancesorcrossingareas that sweeping
is notdesired.
Thesecondhole from thetopisthehighestsweeping
position;the bottom holeisthe closest sweepingposition
with fourintermediatesweepingpositions. Make sure
theheightselectorpinis fully engagedinthedesiredho*e
beforeoperating.
HEIGHT
SELECTOR
PIN
Figure2 Height SelectorLever

SWEEPING
EMPTYING HOPPER
For bestsweepingperformance,observethefollowing
guidelines:
1.Terrainmustberelativelyeven.Alwaysmowjust
priortosweeping. Leaves willactuallypickupeasier
andcleaneriftheyarefirstpartiallymulchedbya
mower. Leaves that haveimbeddedinthe turf arevery
difficulttopickup. Mowing liftsimbeddedmaterials
andmakesthemeasiertopickup.
2, Beforesweeping,pickupalltreebranches,etc.too
largetobepickedupbythesweeperastheycanlodge
inthebrushmechanismand cause wheelslippage.The
metalskidpan{SeeFig.6)whichisunderthe full
width ofthesweeperprotectsit from rocksand
protrudingobjects.
The hopperisemptiedbypivotingitoverthebackofthe
sweeper unit.Polypropylenebrusheswillmeltorburn
whenexposedtointenseheatoropenflame.Besureto
keepa safedistance from pilesofburningleavesorother
sources ofintenseheat.Donotback-uptopilesof
burningleaves.
CAUTION: DONOTemptysweep-
er hopper,drivesweeper close to,or
back upto,anopenfire.Sweeper
hoppercontentsandsweeperbrush-
es areflammableandmayignite
resultinginpossiblepersonalinjury
orpropertydamage.
Itwillalsospreada largepileofdebrisonthefirst pass
so cleanupmaybeaccomplishedin successive passes
withoutcloggingthesweeper,
3.Adjustheightsothefirststagebrushesarein"light"
contact with the turf. A suggestedtechniqueistofirst
set theheightlowenoughtoencounterslightor occa-
sional wheelslippage,thenraisetheadjustingleverone
notch. Whensweepinga pileofdebris,adjusttomaxi-
mumheight,theskidpanwillspreadthepileandwill
allowthebrushestopickupmoredebristhanifsetat
a lowerposition.
4.Operatesweeperatapproximately4 M.P.H. Thebest
groundspeedwillvarydependingontheamountof
debris andtypeof turf. Different speeds shouldbe
trieduntiloneisfoundwhichresultsinmaximum
efficiency.
5.Shouldwheelsirppageoccursuddenlywhilesweeping,
check thebrushesfora lodged twig andcheckthe
shroud pointwherethefirstandsecondstagebrushes
intersect fora lodgedclumpof grass orleaves,ifa
clumpofleavesor grass isfoundinthisarea,itcanbe
easily removedbymanuallyturningthebrushesinthe
reverse direction.
PIVOT HOPPER
AROUNDTHIS
POINTTOEMPTY
Figure 3 EmptyingtheHopper
IMPORTANT:Avoidmakingshortturnsandusecare
whenbacking.Thereartractortires
maycontactthesweepertow-barcausing
damage,whenveryshortturnsaremade.
A
CAUTION: Puttractorinneutral,|
stop engineandsetparkingbrake
beforeleavingtractorseatto:
1.Hookorunhooksweeper
2. Unplugsweeperbrushes
3.Adjustsweeperheight
4.Emptysweeperbasket
orforanyotherreason.

STORAGE
Beforestoringthesweeper,itshouldbethoroughlycleaned
andany scratches orscuffedsurfacesrepainted.Storeina
dry,weatherprotectedlocation.
Thesweepermaybehungona garagewallorother
suitableareaforconvenientstorage.
Removethehopper from thesweeperhousingassembly
andtherod from thehopperand fold thehopper flat.
Thesweepershouldthenbehungbyitstowbaronsuit-
ablelargenailsorhooks.The flattened hoppershouldbe
secured tothesweeper after hanging.
Figure4 L-90SweeperShowninits
RecommendedStoragePosition
CAUTION:Beforehangingsweeper
A
forstorage,makeabsolutelycertain
thewallandhooksornailsareof
sufficientcapacitytosupportthe
sweeper whichweighs125pounds
(56.5kg).
afe.-:---:-:-
ASSEMBLY
SWEEPER
HOUSING
ASSEMBLY
BOLTS
TOWBAR/ v.
TOWV
BRACKET v.
HITCHPIN
Figure5 L-90Sweeper— Disassembled
(See Figure1 forIllustrationofAssembledSweeper)
YourL-90sweeperhasbeencompletelypre-assembled
with theexceptionofthetow-barandinstallationofthe
Hopper.
Thetow-barshouldbepositionedontopofthetow
bracketsandtheboltsinstalled from thetop.Thebolts
should besecured with thelockwashersandnutsprovided.
TheHoppershouldbeproppedopen with therod(threaded
endup)andthenuttightened lightly againsttheupper
hoppertubularframe.
TheHoppershouldthenbeinsertedintheslottedhopper
retainers(Figure6)intheSweeperHousingAssembly.
5

MAINTENANCE
Figure6 DriveWheelandGearsRemoved
(LeftSideOnlyShownforClarity)
LUBRICATION
After each10hoursofuse:
1.Thefoursweeperbrushbearingsshouldbelubricated
with a fewdropsof light oil.
2.Thewheelsshouldberemoved,thegears,pinions,and
axles shouldbecleanedandregreased with a light
coatingofmulti-purposeor#2Lithium-soapbase
^grease.
3.Whenreplacingwheels,besureto pilot thedustshield
ontheaxlespacerandtoalignthebrushdrivegear
teeth with thedrivewheelteeth.
IMPORTANT:Thewheelmustslidefreelyontoshaft
andgears.Forcingthewheelon with
thewheel bolt will damagethedrive
mechanism.
BRUSH REPLACEMENT
Brushes shouldbereplacedaccordingtothefollowing
proceduie:
1.Removewheel,cotter keys, piniongears,pawlsand
washers from both sides ofsweeper.
2.Graspbrushandslidetowardendofsweeperopposite
heightadjustmentlever.
3.Tipbrushtoclearhousingandpull from sweeper
housingassembly.
4.Replacebrushbyreversingtheaboveprocedure. Note
that thebrushisslightlyoffsetontheshaft.Besureto
positionthelongershaftendofthebrushintheside
oppositetheheightselectorlever.
5.Thepawlsandpiniongearsmustbeinstalledas
illustrated(Figure8Aand8B)tofunctionproperly.
6.RefertoStep3 - Lubrication.
HEIGHT
SELECTOR
LEVER
Figure7 RemovingBrush

PICKUP BRUSH
PICKUP BRUSH
Figure8ACorrectGearandPawlInstallation
Leftside (Height SelectorSide) Figure8BCorrectGearandPawlInstallation RightSide
SPECIFICATIONS
Sweeping Width 38"(950mm)
Width Overall45" (1150mm)
Height Overall35"(900mm)
LengthOverall71"(1800mm)
WheelDiameterW/Tire12-1/2"(315mm)
Tire Width 3"(75mm)
HopperCapacity11.9Bu.(1.03m"^)
Weight 125lbs.(56.5kg)
Height AdjSinglelever- 7 positions
NOTE: TheJ 1 Case Companyreservesthe right tomake
improvementsindesignotchangesinspecifica-
tionsatany time without incurringanyobligation
toinstall them onunitspreviouslysold.
PrintedinU^.A.
U.S. PRICE $.40
7
BNRBE

Printed InU.S.A.