Tennant 242E User manual

Thismanualisfurnishedwitheach newTENNANTModel242E.Itprovidesnecessaryoperatingand
preventivemaintenanceinstructions.Readthismanualcompletelyandunderstandthemachinebefore
operatingorservicingit.
Thismanualcoversall machinevariationsandstandardaccessories.Theinstructionportionofthemanual
consistsoftheSpecification,Operation,Maintenance,andAppendixsections.Thepartsportionconsistsofthe
LowDumpModelParts;Multi-LevelDumpModelParts;EE Parts;Options;HydraulicComponents;Electrical
Components;andCross Referencesections.
All rightsideandleftsidereferencestothemachinearedetermined byfacingthedirectionof forwardtravel.All
hardwareconsideredtobeofacommon natureorlocallyavailablehasbeenomittedfromtheparts sections.
Beawarethat thismachinemaycontainmetrichardware.Makesureyou use equivalenthardwarewhen
replacementbecomesnecessary.
Thismachinewill provide excellentservice.However,thebestresultswill beobtainedatminimumcostsif:
DThemachineisoperatedwithreasonablecare.
DThemachineismaintainedregularly--- perthemaintenanceinstructionsprovided.
DThemachineismaintainedwithTennantCompanysuppliedorequivalentparts.
Partsandsuppliesmaybeordered byphoneormailfromanyTennantCompanypartsandservicecenter,
distributor,orfromanyoftheTennantCompanysubsidiaries.Beforeorderingpartsorsupplies,besuretohave
yourmachinemodelnumberandserialnumberhandy.Fill out thedatablockbelowforfuturereference.The
telephonenumbers,telexnumbers,mailingaddresses,andlocationsofthoseoutletsarelistedintheCustomer
Documents sectionofthemanual.
MACHINEDATA
Pleasefill outat timeofinstallation.
MachineSerialNumber---
EngineSerialNumber---
SalesRepresentative---
CustomerNumber---
DateofInstallation---
ManualNumber--- MM243
Revision:01
Published:5---92
TrademarkRegisteredin:Austria,Benelux,Denmark,England,France,Germany,Italy,Spain,Switzerland,
UnitedStates,Argentina,Australia,Canada,Japan,Mexico,Sweden,byTENNANTCOMPANY,Minneapolis,
Minnesota,U.S.A.
Acknowledgements:Technicalinformationand/orillustrations supplied bySperry-VickersCorporation;Eaton
Corporation,HydraulicsDivisionandLambElectric.
Copyright1989,1992 TennantCompany,PrintedinU.S.A.

GENERALINFORMATION
i
242EMM243 (5---92)
SAFETYPRECAUTIONS
Thefollowingsymbolsareusedthroughout this
manualasindicatedintheirdescriptions:
WARNING:Towarnofhazardsorunsafe
practiceswhichcouldresultinsevere
personalinjuryordeath.
FORSAFETY:Toidentifyactionswhichmustbe
followedforsafeoperationofequipment.
Thefollowinginformationsignalspotentially
dangerousconditionstotheoperatororequipment.
Readthismanualcarefully.Know whenthese
conditionscanexist.Locateall safetydevicesonthe
machine.Then,takenecessarystepstotrain
machineoperatingpersonnel.Reportmachine
damageorfaultyoperationimmediately.Donotuse
themachineifitisnotinproperoperatingcondition.
FORSAFETY:
1.DoNotOperateMachine:
-- Unless TrainedAndAuthorized.
-- Unless OperationManualIsReadAnd
Understood.
-- InFlammableOrExplosiveAreasUnless
DesignedForUseInThoseAreas.
-- InAreasWithPossibleFallingObjects
Unless EquippedWithOverheadGuard.
2.BeforeStartingMachine:
-- MakeSureAll SafetyDevicesAreInPlace
AndOperateProperly.
-- CheckBrakesAndSteeringForProper
Operation.
3.WhenStartingMachine:
-- KeepFootOnBrakeAndDirectionalPedal
InNeutral.
4.WhenUsingMachine:
-- UseBrakesToStopMachine.
-- GoSlowOnGradesAndSlippery
Surfaces.
-- UseCareWhenBackingMachine.
-- MoveMachineWithCareWhenHopperIs
Raised.
-- MakeSureAdequateClearanceIs
AvailableBeforeRaisingHopper.
-- DoNotCarryRidersOnMachine.
-- AlwaysFollowSafetyAndTrafficRules.
5.BeforeLeavingOrServicingMachine:
-- StopOnLevelSurface.
-- SetParkingBrake.
-- TurnOff MachineAndRemoveKey.
6.WhenServicingMachine:
-- AvoidMovingParts.DoNotWearLoose
Jackets,Shirts,OrSleevesWhenWorking
OnMachine.
-- BlockMachineTiresBeforeJacking
MachineUp.
-- JackMachineUpAtDesignatedLocations
Only.BlockMachineUpWithJackStands.
-- UseHoistOrJackOfAdequateCapacity
ToLiftMachine.
-- WearEyeAndEarProtectionWhenUsing
PressurizedAirOrWater.
-- DisconnectBatteryConnectionsBefore
WorkingOnMachine.
-- AvoidContactWithBatteryAcid.
-- UseCardboardToLocateLeaking
HydraulicFluidUnderPressure.
-- UseTENNANTSuppliedOrEquivalent
ReplacementParts.
WARNING:BatteriesEmitHydrogenGas.
ExplosionOrFireCanResult.KeepSparks
AndOpenFlameAway.KeepCoversOpenWhen
Charging.
WARNING:LiftArmPinchPoint.StayClear
OfHopperLiftArms.
WARNING:RaisedHopperMayFall.
EngageHopperSupportBar.
WARNING:BrushThrowsDebris.Stop
MotorBeforeLiftingHopper.
WARNING:FlammableMaterialsCan
CauseAnExplosionOrFire.DoNotUse
FlammableMaterialsInTank(s).
WARNING:FlammableMaterialsOr
ReactiveMetalsCanCauseExplosionOr
Fire.DoNotPickUp.

GENERAL INFORMATION
242E MM243 (5---92)
ii
The following safety labels are mounted on the
machine in the locations indicated. If these, or any,
labels become damaged or illegible, install a new
label in its place. CHARGING LABEL -- LOCATED ON THE
UNDERSIDE OF THE BATTERY COVER.
CHARGING LABEL -- LOCATED ON THE
UNDERSIDE OF THE BATTERY COVER.
HOPPER SUPPORT BAR LABEL -- LOCATED ON
HOPPER SUPPORT BAR, BOTH HOPPER LIFT
ARMS AND CENTER PANEL, LOW DUMP MODEL
ONLY
HOPPER IS RAISED LABEL -- LOCATED ON THE
LINTEL, MULTI-LEVEL DUMP MODEL ONLY
HOPPER SUPPORT BAR LABEL -- LOCATED ON
THE HOPPER SUPPORT, BOTH HOPPER LIFT
ARMS AND CENTER PANEL, MULTI-LEVEL DUMP
MODEL ONLY
LIFT ARM CLEARANCE LABEL -- LOCATED ON
BOTH HOPPER LIFT ARMS, MULTI-LEVEL DUMP
MODEL ONLY
05542

GENERALINFORMATION
iii
242EMM243 (5---92)
CONTENTS
Page
GENERALINFORMATIONi..................
SAFETYPRECAUTIONSi................
SPECIFICATIONS1-1.........................
MACHINESPECIFICATIONS1-3.............
POWERTYPE1-3.......................
POWERTRAIN1-3......................
STEERING1-3.........................
HYDRAULICSYSTEM1-3................
BRAKINGSYSTEM1-4..................
SUSPENSIONSYSTEM1-4..............
SYSTEMFLUIDCAPACITIES1-4.........
GENERALMACHINEDIMENSIONS---
CAPACITIES1-4.....................
MACHINEWEIGHTS1-4.................
GENERALMACHINEPERFORMANCE1-4.
MACHINEDIMENSIONS1-5................
OPERATION2-1..............................
PREPARATIONFOROPERATION2-3........
AFTERUNLOADINGANDBEFORE
OPERATINGTHEMACHINE:2-3.......
OPERATIONOFCONTROLS2-4............
MACHINECOMPONENTS2-4............
CONTROLSANDINSTRUMENTS2-5.....
BRAKEPEDAL2-6......................
DIRECTIONALPEDAL2-6...............
PARKINGBRAKE2-6....................
MAINBRUSHDOWNPRESSUREKNOB2-6
HOPPERLIFTANDSIDEBRUSHLEVER2-6
FILTERSHAKERSWITCH2-7............
VACUUMCONTROLHANDLE2-7........
OPERATINGLIGHTS SWITCH2-7........
HOURMETER2-7......................
VOLTMETER2-7........................
HAZARDLIGHTSWITCH2-7.............
SCRUB BRUSHSWITCH2-7.............
SCRUBVACUUMSWITCH2-7...........
KEY-OPERATEDON-OFF SWITCH2-7.....
STARTSWITCH2-7.....................
MAINBRUSHPOSITIONLEVER2-7......
HOPPERDUMPLEVER2-8..............
STEERINGWHEEL2-8..................
SIDEBRUSHPOSITIONLEVER2-8.......
HOPPERSUPPORTBAR2-8.............
SCRUB BRUSHPOSITIONLEVER2-8.....
SOLUTIONFLOWKNOBS2-9............
CIRCUITBREAKERANDFUSES2-9......
Page
MACHINEOPERATION2-10.................
NORMALSWEEPINGOPERATION2-10....
PRE-STARTCHECKLIST2-10..........
TOSTARTMACHINE2-10.............
TOSWEEP2-10......................
TODUMPHOPPER2-11...............
POSTOPERATIONCHECKLIST---
MOTOROPERATING2-11...........
TOSTOPMACHINE2-11..............
POSTOPERATIONCHECKLIST---
MOTORSTOPPED2-12.............
TOENGAGEHOPPERSUPPORTBAR2-12.
TODISENGAGEHOPPERSUPPORT
BAR2-13............................
OPERATIONONGRADES2-13............
NORMALSCRUBBINGOPERATION2-13...
PRE-STARTCHECKLIST2-13..........
TOSTARTMACHINE2-14.............
TOSCRUB2-14......................
TODRAINRECOVERYTANKANDEMPTY
DEBRISHOPPER2-15...........
POSTOPERATIONCHECKLIST---
MOTOROPERATING2-16...........
TOSTOPMACHINE2-16..............
DOUBLESCRUBBINGOPERATION2-16...
MACHINETROUBLESHOOTING---
SWEEPING2-17......................
MACHINETROUBLESHOOTING---
SCRUBBING2-19.....................
TRANSPORTINGMACHINE2-20.............
PUSHINGORTOWINGMACHINE2-20.....
MACHINEJACKING2-20.................
TOJACKUPMACHINE2-20...........
MACHINESTORAGE2-21...................
STORINGMACHINE2-21.................
OPTIONS2-22.............................
HOPPERDOLLY2-22.....................
TOREMOVEHOPPERWITHDOLLY2-22
TOINSTALL HOPPERWITHDOLLY2-22.
SCRUBATTACHMENT2-23...............
TOMOUNTSCRUBATTACHMENT2-23.
TOREMOVESCRUBATTACHMENT2-25

GENERALINFORMATION
242EMM243 (5---92)
iv
Page
MAINTENANCE3-1...........................
RECOMMENDEDFIRST50-HOUR
MACHINEINSPECTION3-3..............
MAINTENANCECHART3-4.................
LUBRICATION3-6.........................
REARWHEELSUPPORT3-6.............
STEERING GEAR3-6...................
FRONTWHEELBEARINGS3-6...........
HOPPERLIFTARMPIVOTS3-7..........
HOPPERDOORLATCHES3-7............
COUNTERSHAFTBELTIDLER3-8........
SCRUBATTACHMENTSCRUB BRUSH
GEAR3-8...........................
SCRUBATTACHMENTLEGCASTERS3-8.
SCRUBATTACHMENTDEBRIS
HOPPER3-8........................
HYDRAULICS3-9..........................
HYDRAULICFLUID3-9..................
HYDRAULICFLUIDRESERVOIR3-9......
TODRAINTHEHYDRAULICFLUID
RESERVOIR3-10..................
TOFILL THEHYDRAULICFLUID
RESERVOIR3-10..................
HYDRAULICFLUIDRESERVOIR
BREATHER3-10......................
HYDRAULICFLUIDFILTER3-10...........
TOREPLACEHYDRAULICFLUID
FILTERELEMENT3-10..............
HYDRAULICPUMPS3-11.................
TOSTARTANDBREAK-IN
HYDRAULICPUMP3-11............
DIRECTIONALPEDAL3-12...............
TOADJUSTDIRECTIONALPEDAL
NEUTRALPOSITION3-12...........
SPEEDLIMITER3-13.....................
HYDRAULICFLUIDLEAKS3-13...........
HYDRAULIC COMPONENTS
TROUBLESHOOTING3-14.............
HYDRAULICSCHEMATIC,LOWDUMP
(Formachinesbelowserialnumber
005106)3-15.........................
HYDRAULICSCHEMATIC,LOWDUMP(For
machines serialnumber005106
andabove)3-16......................
HYDRAULICSCHEMATIC,MULTI-LEVEL
DUMP(Formachinesbelowserial
number005106)3-17..................
HYDRAULICSCHEMATIC,MULTI-LEVEL
DUMP(Formachines serialnumber
005106 andabove)3-18...............
ELECTRICALSYSTEM3-19..................
BATTERIES3-19.........................
BATTERYCHARGING3-20................
TOCHARGEBATTERIES3-20..........
ELECTRICMOTORS3-21.................
ELECTRICSCHEMATIC3-22..............
Page
BELTSANDCHAINS3-23....................
PUMPBELT3-23........................
TOREPLACEPUMPBELT3-23.........
COUNTERSHAFTBELT3-23..............
MAINBRUSHBELT3-24..................
VACUUMFANBELT3-24.................
SCRUBATTACHMENTVACUUM
FANBELT3-24.......................
STATICDRAGCHAIN3-24................
DEBRISHOPPER3-25......................
HOPPERDUSTFILTER3-25..............
TOREMOVEHOPPERDUSTFILTER3-25
TOINSTALL HOPPERDUSTFILTER3-26
HOPPERFUSIBLELINK3-26..............
TOREPLACEHOPPERFUSIBLE
LINK3-26.........................
DEBRISHOPPER3-27...................
TOADJUSTLOWDUMPMODEL
HOPPER3-27......................
TOADJUSTMULTI-LEVELDUMP
MODELHOPPER3-27..............
BRUSHES3-31.............................
MAINBRUSH3-31.......................
TOREPLACEMAINBRUSH3-31.......
TOCHECKANDADJUSTMAIN
BRUSHPATTERN3-31..............
SIDEBRUSH3-32.......................
TOREPLACESIDEBRUSH3-33........
SKIRTSANDSEALS3-34....................
HOPPERLIPSKIRTS3-34................
TOREPLACEHOPPERLIPSKIRTS3-34.
BRUSHDOORANDSIDESKIRTS3-34.....
TOREPLACEANDADJUSTBRUSH
DOORSKIRT3-34..................
TOREPLACEANDADJUSTSIDE
SKIRT3-35........................
REARSKIRT3-35........................
TOREPLACEANDADJUST THE
REARSKIRT3-35..................
MAINBRUSHDOORSEALS3-35..........
HOPPERSEALS3-36....................
HOPPERINSPECTIONDOORSEAL3-36...
HOPPERDOORSEALS3-36..............
HOPPERCOVERSEAL3-36..............
HOPPERVACUUMFANSEAL3-37........
BRAKESANDTIRES3-38...................
SERVICEBRAKES3-38...................
TOADJUSTBRAKELINKAGE3-38......
TIRES3-38..............................

GENERALINFORMATION
v
242EMM243 (5---92)
Page
OPTIONS3-39.............................
SCRUBATTACHMENT3-39...............
SOLUTIONTANKS3-39...................
SOLUTIONDISTRIBUTIONSYSTEM3-39...
SCRUB BRUSHES3-39...................
TOREPLACESCRUB BRUSH3-40......
TOCHECKANDADJUSTSCRUB
BRUSHPATTERN3-41..............
RECOVERYTANK3-42...................
TODRAINTHERECOVERYTANK3-42. .
TOCLEANTHERECOVERYTANK3-43. .
DEBRISHOPPER3-43...................
SIDESQUEEGEE 3-44...................
TOREPLACESIDESQUEEGEE
BLADE3-44.......................
REARSQUEEGEE 3-45...................
TOREPLACEOR ROTATEREAR
BLADE3-45.......................
TOCHECKANDADJUSTREAR
SQUEEGEE 3-47...................
APPENDIX4-1...............................
HARDWAREINFORMATION4-3.............
STANDARDBOLT TORQUECHART4-3...
METRICBOLT TORQUECHART4-3......
BOLTIDENTIFICATION4-3...............
THREADSEALANTANDLOCKING
COMPOUNDS4-3...................
HYDRAULICFITTINGINFORMATION4-4.....
HYDRAULICTAPEREDPIPEFITTING(NPT)
TORQUECHART4-4.................
HYDRAULICTAPEREDSEATFITTING(JIC)
TORQUECHART4-4.................
HYDRAULICO---RINGFITTINGTORQUE
CHART4-4..........................
LOWDUMPMODELPARTS5-1................
ORDERINGREPAIRPARTS5-3..............
Fig.1--- RecommendedGeneral
MaintenanceItems5-4..........
Fig.2--- ReplacementBrushes5-5..........
Fig.3--- MainFrameGroup5-6.............
Fig.4--- SeatandBatteryPanelGroup5-8...
Fig.5--- InstrumentandComponent
PanelGroup5-10................
Fig.6--- HopperGroup5-12.................
Fig.7--- HopperCoverandFireDoor
Group5-14.....................
Fig.8--- FilterShakerGroup5-16............
Fig.9--- VacuumFanGroup5-18............
Fig.10 --- FrontWheelsandBrakesGroup5-20
Fig.11 --- MainBrushDriveGroup5-22........
Fig.12 --- SideBrushLiftGroup5-24..........
Fig.13 --- SteeringWheelGroup5-25.........
Fig.14 --- HydraulicSystem5-26..............
Page
Fig.15 --- HydraulicSystem5-27..............
Fig.16 --- MainControlValveGroup5-28......
Fig.17 --- HydraulicReservoirAssembly5-29...
Fig.18 --- DirectionalControlGroup5-30......
Fig.19 --- DirectionalControlGroup5-32......
Fig.20 --- RearDriveWheelMotorGroup5-34. .
Fig.21 --- HopperLiftCylinderandSide
BrushMotorGroup5-35.........
Fig.22 --- RearDriveWheelandSupport
Group5-36.....................
Fig.23 --- BatteryWireHarness Group5-37....
Fig.24 --- HourmeterGroup5-38.............
Fig.25 --- VoltmeterGroup5-38...............
Fig.26 --- OverheadGuardGroup5-39........
Fig.27 --- BumperGroup5-40................
MULTI-LEVELDUMPMODELPARTS6-1........
ORDERINGREPAIRPARTS6-3..............
Fig.1--- MainFrameGroup,Multi-Level
Dump6-4.....................
Fig.2--- HopperLiftArmsGroup,
Multi-LevelDump6-6...........
Fig.3--- HopperGroup,Multi-LevelDump6-8
Fig.4--- FilterCarrierGroup,Multi-Level
Dump6-10.....................
Fig.5--- HopperDoorAssembly,
Multi-LevelDump6-11...........
Fig.6--- VacuumFanBracketGroup,
Multi-LevelDump6-12...........
Fig.7--- FrontWheelsandBrakeGroup,
Multi-LevelDump6-13...........
Fig.8--- MainBrushDriveGroup,
Multi-LevelDump6-14...........
Fig.9--- SideBrushArmAssembly,
Multi-LevelDump6-15...........
Fig.10 --- HydraulicSystem,Multi-Level
Dump6-16.....................
Fig.11 --- HydraulicSystem,Multi-Level
Dump6-17.....................
Fig.12 --- DumpCylinderandValveGroup,
Multi-LevelDump6-18...........
Fig.13 --- MainControlValveandHopperLift
CylinderGroup,Multi-Level
Dump6-19..................
Fig.14 --- SideBrushMotorGroup,
Multi-LevelDump6-20...........
Fig.15 --- DirectionalControlGroup,
Multi-LevelDump6-21...........
Fig.16 --- BumperGroup,Multi-LevelDump6-22
Fig.17 --- OverheadGuardGroup,
Multi-LevelDump6-23...........
EE MODELPARTS7-1........................
ORDERINGREPAIRPARTS7-3..............
Fig.1--- InstrumentandComponentPanel
Group,EE 7-4.................

GENERALINFORMATION
242EMM243 (5---92)
vi
Page
OPTIONS8-1................................
ORDERINGREPAIRPARTS8-3..............
Fig.1--- RevolvingLightKit8-4.............
Fig.2--- RevolvingLightKit,EE 8-5..........
Fig.3--- OperatingLightKit,LintelMount,
LowDump8-6.................
Fig.4--- OperatingLightKit,LintelMount,
Multi-LevelDump8-7...........
Fig.5--- OperatingLightKit,Lintel
Mount,EE 8-8.................
Fig.6--- OverheadGuardKit8-9............
Fig.7--- BumperKit,LowDump
(PreppedforScrubbing)8-10.....
Fig.8--- BumperKit,LowDump,EE
(NotPreppedforScrubbing)8-11.
Fig.9--- BumperKit,LowDump,EE
(PreppedforScrubbing)8-12.....
Fig.10 --- BumperKit,Multi-LevelDump,EE 8-13
Fig.11 --- PrepForScrubKit8-14.............
Fig.12 --- DetergentDistributionGroup8-15...
Fig.13 --- ScrubTankFrameGroup8-16.......
Fig.14 --- SolutionandRecoveryTanks
Group8-18.....................
Fig.15 --- MainScrubBrushDriveGroup8-20. .
Fig.16 --- RearSqueegee Group8-22.........
Fig.17 --- SideSqueegee Group8-24.........
Fig.18 --- HourMeterKit,EE 8-25.............
Fig.19 --- ChargerKit,1PH8-25..............
Fig.20 --- ChargerKit,3PH8-25..............
Fig.21 --- BatteryGroup,EE 8-26.............
Fig.22 --- BatteryGroup,Wet8-26............
Fig.23 --- BatteryGroup,Dry(Exportonly)8-26
Fig.24 --- MotorEnclosureBandKit8-26......
Fig.25 --- MotorEnclosureBandKit8-26......
Fig.26 --- MotorEnclosureBandKit8-26......
Fig.27 --- Squeegee BladeKit8-26...........
Fig.28 --- HopperDollyAssembly,
LowDump8-27.................
Fig.29 --- ScrubVacuumFanDrive
Group,EE 8-28.................
Fig.30 --- VacuumFanAssembly,EE 8-30.....
Fig.31 --- SolutionandRecoveryTanks
Group,EE 8-32.................
Fig.32 --- MainScrubBrushDrive
Group,EE 8-34.................
Fig.33 --- ScrubTankFrameGroup,EE 8-36...
Fig.34 --- DetergentDistributionGroup,EE 8-38
Fig.35 --- MaximumPathSideBrushGroup8-39
Page
HYDRAULIC COMPONENTS9-1...............
ORDERINGREPAIRPARTS9-3..............
Fig.1--- HydraulicPump,47862 9-4.........
Fig.2--- HydraulicPumpBreakdown,
61440 9-6.....................
Fig.3--- AccessoriesPumpBreakdown,
50126 9-8.....................
Fig.4--- HydraulicMotorBreakdown,
48663 9-9.....................
Fig.5--- HydraulicMotorBreakdown,
27791 9-10.....................
Fig.6--- HydraulicMotorBreakdown,
27794 9-11.....................
Fig.7--- HydraulicValveBreakdown,
32391 9-12.....................
Fig.8--- HydraulicValveBreakdown,
32752 9-12.....................
ELECTRICALCOMPONENTS10-1...............
ORDERINGREPAIRPARTS10-3..............
Fig.1--- ElectricMotorBreakdown,
46690A10-4....................
Fig.2--- ElectricMotorBreakdown,
31891 10-6.....................
Fig.3--- ElectricMotorBreakdown,
50089 10-6.....................
Fig.4--- ElectricMotorBreakdown,
25985 10-7.....................
Fig.5--- ElectricMotorBreakdown,
46691B10-7....................
CROSS REFERENCE11-1......................
PARTNUMBERTOPAGENUMBERCROSS
REFERENCELIST11-3...................

SPECIFICATIONS
1-1
242EMM243 (5---92)
SECTION1
CONTENTS
Page
MACHINESPECIFICATIONS1-3...............
POWERTYPE1-3..........................
POWERTRAIN1-3.........................
STEERING1-3............................
HYDRAULICSYSTEM1-3...................
BRAKINGSYSTEM1-4.....................
SUSPENSIONSYSTEM1-4.................
SYSTEMFLUIDCAPACITIES1-4............
GENERALMACHINEDIMENSIONS---
CAPACITIES1-4........................
MACHINEWEIGHTS1-4....................
GENERALMACHINEPERFORMANCE1-4....
MACHINEDIMENSIONS1-5...................

SPECIFICATIONS
242EMM243 (9---89)
1-2

SPECIFICATIONS
1-3
242EMM243 (5---92)
MACHINESPECIFICATIONS
POWERTYPE
Electricpropellingmotor--- nominalvoltage
36 VDC,7hp(5.22 kW)@2200 rpm
Electricscrub brushmotor--- nominalvoltage
36 VDC,1hp(0.75 kW)@2000 rpm
Electricscrubvacuumfandrivemotor--- nominal
voltage36 VDC,1.2hp(0.9kW)@
2550 rpm
Batteries(2)--- 18 V,600 A/h@6hour rate
Batterycharger(accessory)---
36 VDC120 A,208---240---480 VAC,
60 Hz,1PH
36 VDC120 A,208---240---480 VAC,
60 Hz,3PH
POWERTRAIN
Propelling--- hydraulicmotordriven
Mainbrush--- beltdriven
Sidebrush--- hydraulicmotordriven
Vacuumfan--- beltdriven
Hydraulicpump--- beltdriven
STEERING
Type--- rearwheelcontrolled,automotivecamand
lever
HYDRAULICSYSTEM
Function--- operatepropelling,hopperliftand
dump,sidebrushdrive
Controlvalve,hopperlift,sidebrushdrive--- open
centertype,singlespool
Controlvalve,hopperdump,multi-leveldump
model--- opencentertype,singlespool
Pump propelling(formachinesbelowserialnumber
005106)--- variabledisplacementpistontype,
2.01 cuin(35 cc)maximumdisplacementper
revolution,8gpm(30.3L/min)@2400 rpm
Pump propelling(formachines serialnumber
005106 andabove)--- variabledisplacement
pistontype,2.48 cuin(41 cc)maximum
displacementper revolution,22.7gpm
(86 L/min)@2400 rpm
Propellingsystemreliefpressure(formachines
belowserialnumber005106)--- 3000 psi
(20685 kPa)
Propellingsystemreliefpressure(formachines
serialnumber005106 andabove)--- 2750 psi
(17238 kPa)
Pumpaccessories(formachinesbelowserial
number005106)--- vanetype,2gpm(7.6
L/min)@1200 rpm
Pumpaccessories(formachines serialnumber
005106 andabove)--- geartype,4.8gpm
(18 L/min)@2500 rpm
Sidebrushandhopperliftcylindersystemrelief
pressure--- 2000 psi(13790 kPa)
Motor,propelling--- internalgeartype,19 cuin
(310 cc)displacementper revolution,4500 psi
(31,030 kPa)maximumrated pressure
Motor,sidebrush(formachinesbelowserial
number005106)--- internalgeartype,4.5cuin
(75 cc)displacementper revolution,2000 psi
(13790 kPa)maximumrated pressure
Motor,sidebrush(formachines serialnumber
005106 andabove)--- internalgeartype,
5.9cuin(97 cc)displacementper revolution,
2500 psi(17238 kPa)maximumrated pressure
Cylinder,hopperlift,lowdumpmodel--- single
actiontype,2.50 in(65 mm)borex6.00 in
(155 mm)stroke,1.13 in(285 mm)diameter
rod,2500 psi(17238 kPa)maximumrated
pressure
Cylinder,hopperlift,multi-leveldumpmodel---
singleactiontype,3.50 in(90 mm)borex
8.00 in(20 mm)stroke,1.25 in(30 mm)
diameter rod,2500 psi(17238 kPa)maximum
rated pressure
Cylinder,hopperdump,multi-leveldumpmodel(2)
--- singleactiontype,2.00 in(50 mm)borex
5.37 in(15 mm)stroke,1.00 in(25 mm)
diameter rod,2500 psi(17238 kPa)maximum
rated pressure

SPECIFICATIONS
242EMM243 (5---92)
1-4
BRAKINGSYSTEM
Servicebrakes--- mechanicaldrumbrakes(2)--- 1
perfrontwheel,linkageactuated
Parkingbrakes--- utilizes servicebrakes,linkage
actuated
SUSPENSIONSYSTEM
Front(2)--- 16 in(410 mm)x3.5in(90 mm)solid
tire
Rear(1)--- 16.25 in(415 mm)x6in(155 mm)solid
tire
SYSTEMFLUIDCAPACITIES
Hydraulicsystem--- reservoir5gal(18.9L)
Hydraulicsystem--- totalsystem6.5gal(24.6L)
GENERALMACHINEDIMENSIONS--- CAPACITIES
Length,lowdumpmodel--- 86.50 in(2200 mm)
Length,multi-leveldumpmodel--- 93 in(2360 mm)
Width,lowdumpmodel--- 56.75 in(1440 mm)
Width,multi-leveldumpmodel--- 57.75 in
(1470 mm)
Height--- 50.75 in(1290 mm)
Heightwithoverheadguard--- 81.4in(2070 mm)
Heightwithcab--- 81.4in(2070 mm)
Heightwithcabandhazardlight--- 90.70 in
(2300 mm)
Track--- 46.5in(1180 mm)
Wheelbase--- 40 in(1015 mm)
Mainbrushdiameter--- 14 in(355 mm)
Mainbrushlength--- 42 in(1070 mm)
Sidebrushdiameter--- 21 in(535 mm)
Sweepingpathwidth--- 42 in(1070 mm)
Sweepingpathwidthwithsidebrush--- 53 in(1345
mm)
Hoppercapacity--- 14 ft#(0.4m#)1000 lb(455 kg)
Dustfilterarea--- 110 ft@(10.2m@)
MACHINEWEIGHTS
GVWR,lowdumpmodel--- 4750 lb(2155 kg)
GVWR,multi-leveldumpmodel--- 5250 lb(2381 kg)
GENERALMACHINEPERFORMANCE
Maximumforwardspeed--- 5mph(8km/h)
Maximumreversespeed--- 3mph(5km/h)
Minimumaisleturnwidth,lowdumpmodel,left---
102 in(2590 mm)
Minimumaisleturnwidth,lowdumpmodel,
right--- 158 in(4015 mm)
Minimumaisleturnwidth,multi-leveldumpmodel,
left--- 106 in(2690 mm)
Minimumaisleturnwidth,multi-leveldumpmodel,
right--- 158 in(4015 mm)
Maximumratedclimb/descentangle--- 6_withfull
hopper,7_withanemptyhopper

SPECIFICATIONS
1-5
242EMM243 (5---92)
TOPVIEW
SIDEVIEW
50.75 in
(1290 mm)
56.75 in
(1440 mm)
LowDump
Model
57.75 in
(1470 mm)
Multi-Level
DumpModel
86.50 in(2200 mm)
LowDumpModel93 in(2360 mm) Multi-LevelDumpModel
81.4in
(2070 mm)
05183
05539
MACHINEDIMENSIONS

SPECIFICATIONS
242EMM243 (9---89)
1-6

OPERATION
2-1
242EMM243 (5---92)
SECTION2
CONTENTS
Page
PREPARATIONFOROPERATION2-3...........
AFTERUNLOADINGANDBEFOREOPERATING
THEMACHINE:2-3.....................
OPERATIONOFCONTROLS2-4...............
MACHINECOMPONENTS2-4...............
CONTROLSANDINSTRUMENTS2-5........
BRAKEPEDAL2-6.........................
DIRECTIONALPEDAL2-6..................
PARKINGBRAKE2-6.......................
MAINBRUSHDOWNPRESSUREKNOB2-6. .
HOPPERLIFTANDSIDEBRUSHLEVER2-6. .
FILTERSHAKERSWITCH2-7...............
VACUUMCONTROLHANDLE2-7...........
OPERATINGLIGHTS SWITCH2-7...........
HOURMETER2-7.........................
VOLTMETER2-7...........................
HAZARDLIGHTSWITCH2-7................
SCRUB BRUSHSWITCH2-7................
SCRUBVACUUMSWITCH2-7..............
KEY-OPERATEDON-OFF SWITCH2-7........
STARTSWITCH2-7........................
MAINBRUSHPOSITIONLEVER2-7.........
HOPPERDUMPLEVER2-8.................
STEERINGWHEEL2-8.....................
SIDEBRUSHPOSITIONLEVER2-8..........
HOPPERSUPPORTBAR2-8................
SCRUB BRUSHPOSITIONLEVER2-8.......
SOLUTIONFLOWKNOBS2-9...............
CIRCUITBREAKERANDFUSES2-9.........
MACHINEOPERATION2-10....................
NORMALSWEEPINGOPERATION2-10.......
PRE-STARTCHECKLIST2-10.............
TOSTARTMACHINE2-10................
TOSWEEP2-10.........................
TODUMPHOPPER2-11..................
POSTOPERATIONCHECKLIST---
MOTOROPERATING2-11.............
TOSTOPMACHINE2-11.................
POSTOPERATIONCHECKLIST---
MOTORSTOPPED2-12................
TOENGAGEHOPPERSUPPORTBAR2-12....
TODISENGAGEHOPPERSUPPORTBAR2-13
OPERATIONONGRADES2-13...............
NORMALSCRUBBINGOPERATION2-13......
PRE-STARTCHECKLIST2-13.............
TOSTARTMACHINE2-14................
TOSCRUB2-14.........................
TODRAINRECOVERYTANKANDEMPTY
DEBRISHOPPER2-15.................
POSTOPERATIONCHECKLIST---
MOTOROPERATING2-16.............
TOSTOPMACHINE2-16.................
Page
DOUBLESCRUBBINGOPERATION2-16......
MACHINETROUBLESHOOTING---
SWEEPING2-17.........................
MACHINETROUBLESHOOTING---
SCRUBBING2-19........................
TRANSPORTINGMACHINE2-20................
PUSHINGORTOWINGMACHINE2-20........
MACHINEJACKING2-20....................
TOJACKUPMACHINE2-20..............
MACHINESTORAGE2-21......................
STORINGMACHINE2-21....................
OPTIONS2-22................................
HOPPERDOLLY2-22.......................
TOREMOVEHOPPERWITHDOLLY2-22...
TOINSTALL HOPPERWITHDOLLY2-22....
SCRUBATTACHMENT2-23..................
TOMOUNTSCRUBATTACHMENT2-23....
TOREMOVESCRUBATTACHMENT2-25...

OPERATION
242EMM243 (5---92)
2-2

OPERATION
2-3
242EMM243 (5---92)
PREPARATIONFOROPERATION
AFTERUNLOADINGANDBEFOREOPERATING
THEMACHINE:
1.Checkthemachineforshippingdamage.
2.Readthismanualcarefullybeforeoperatingor
servicingthemachine.
FORSAFETY:DoNotOperateTheMachine,
Unless OperationManualIsReadAnd
Understood.
3.Install thebatteries.Becauseofclearance
limitationsbetweenthebatteryandthe
machine,wheninstallingthebatteries;usethe
endholesontheleft-hand battery,andtheside
holesontheright-hand battery.
4.Checkthehydraulicfluidlevelinthehydraulic
fluidreservoir,usingthedipstickprovided.
TENNANThydraulicfluidisrecommended.If
TENNANThydraulicfluidisnotavailable,use
onlynew,approvedhydraulicfluid.See
HYDRAULICSintheMAINTENANCEsection.
5.Checktobesurethefusiblelinkonthefilter
boxfiredoorhasnotbeenbrokenduring
shipment.Ifreplacementisnecessary,see TO
REPLACEHOPPERFUSIBLELINKinthe
MAINTENANCEsection.
6.Checkthebatterieselectrolytelevelas
describedinBATTERIESintheMAINTENANCE
section.
A
B
03700
CHECKINGBATTERYELECTROLYTELEVEL
A.Battery
B.FillingHole
FORSAFETY:WhenServicingMachine,Avoid
ContactWithBatteryAcid.
7.ChargethebatteriesasdirectedinTOCHARGE
BATTERIESintheMAINTENANCEsection.
WARNING:BatteriesEmitHydrogenGas.
ExplosionOrFireCanResult.KeepSparks
AndOpenFlameAway.KeepCoversOpenWhen
Charging.
8.Connect thebatteryconnectorstothemachine
connectors.
AB
C
D
E
F
C
05181
BATTERYCONNECTORS
A.RightHandBattery
B.LeftHandBattery
C.OrangeConnector
D.GreyConnector
E.MotorCable
F.FrontOfMachine

OPERATION
242E MM243 (5---92)
2-4
OPERATION OF CONTROLS
AB
C
D
E
F
G
H
I
J
L
K
M
N
05540
05542
MACHINE COMPONENTS
A. Side Brush H. Battery
B. Hopper Front Access Door I. Scrub Attachment
C. Hopper Cover J. Solution Tank Cover
D. Steering Wheel K. Side Scrub Brush
E. Instrument Panel L. Side Squeegee
F. Operator Seat M. Scrub Brush Position Lever
G. Battery Cover N. Solution Flow Knobs

OPERATION
2-5
242EMM243 (5---92)
A
B
C
DE
F
G
H
I
J
K
LM
N
O
P
Q
R
S
05182
CONTROLSANDINSTRUMENTS
A.BrakePedalK.HazardLightSwitch
B.DirectionalPedalL.ScrubBrushSwitch
C.ParkingBrakeM.ScrubVacuumSwitch
D.MainBrushDownPressureKnobN.Key-OperatedOn-Off Switch
E.HopperLiftandSideBrushLeverO.StartSwitch
F.FilterShakerSwitchPMainBrushPositionLever
G.VacuumControlHandleQ.HopperDumpLever
H.OperatingLightsSwitchR.SteeringWheel
I.HourMeterS.SideBrushPositionLever
J.Voltmeter

OPERATION
242EMM243 (5---92)
2-6
BRAKEPEDAL
Thebrakepedaloperatesthemechanicaldrum
brakesonthetwofrontwheels.
Tostopthemachine,returnthedirectionalpedalto
neutral;thenapplypressuretothebrakepedal.
DIRECTIONALPEDAL
Thedirectionalpedalcontrolsthepropellingdrive.It
isusedtoselect thedirectionoftravelandthe
propellingspeedofthemachine.
AB
C
D
E
DIRECTIONALPEDAL
00116
A.“Reverse”Position
B.“Neutral”Position
C.“Forward”Position
D.“Toe”Portion
E.“Heel”Portion
Totravelforward,press the“toe”portionofthe
pedal;totravelbackward,press the“heel”portionof
thepedal.Thepropellingspeedofthemachineis
regulated byvaryingthepressureonthepedal.
PARKINGBRAKE
Theparkingbrakeleveroperatesthefrontwheel
brakes.Toset theparkingbrake,pull thehandleup.
Toreleasetheparkingbrake,pull thequick-release
tab.Alwaysparkonalevelsurface,stopthemotor,
andset theparkingbrakebeforeleavingthe
machineunattendedand beforeworkingonthe
machine.
FORSAFETY:BeforeLeavingOrServicing
Machine;StopOnLevelSurface,SetParking
Brake,TurnOff MachineAndRemoveKey.
MAINBRUSHDOWNPRESSUREKNOB
Themainbrushdownpressureknobadjuststhe
mainbrushcontactwiththefloor.Byturningthe
pressureknob,themainbrushcontactwiththefloor
will increaseordecrease.
A
B
07312
MAINBRUSHDOWNPRESSUREKNOB
A.DownPressureKnob
B.MainBrushPositionLever
HOPPERLIFTANDSIDEBRUSHLEVER
Thehopperliftandsidebrushlevercontrolsthe
hopperliftcylindersandthesidebrushdrivemotor.
Tolift thehopper,pushtheleverforwardintothe
“RAISEHOPPER”position untilthedesiredheightis
reached.Besureadequateverticalclearanceis
availablebeforeraisingthehopper.
Toholdthehopperup,pushtheleverintothe
“HOLDHOPPER”position.Donotrelyonthe
hydraulicsystemtokeepthehopperupifworkisto
bedoneonthemachine.Alwaysengagethehopper
supportbar.
WARNING:RaisedHopperMayFall.
EngageHopperSupportBar.
Tolowerthehopper,pushtheleverintothe“OFF
LOWERHOPPER”position.
Tostartsidebrushrotation,pushtheleverintothe
“SIDEBRUSHON”position.
Tostopsidebrushrotation,pull theleverbackinto
the“OFF LOWERHOPPER”position.