Tennant 92 GR User manual

(Operator Manual)

r
Thismanualisfurnishedwitheach newTENNANTrModel92GR.Itprovidesnecessaryoperatingand
preventivemaintenanceinstructions.Readthismanualcompletelyandunderstandthemachinebefore
operatingorservicingit.
Thismanualcoversall machinevariationsandstandardaccessories.Thetabbedinstructionportionofthe
manualconsistsoftheSpecification,Operation,Maintenance,andAppendixsections.Thetabbed parts section
consistsoftheStandardModelParts,Accessories,HydraulicComponents,andEngineParts sections.
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---
DateofInstallation---
ManualNumber--- MM188
Revision:02
Published:11---87 04300
TrademarkRegisteredin:Austria,Benelux,Denmark,England,France,Germany,Italy,Spain,Switzerland,
UnitedStates,Argentina,Australia,Canada,Japan,Mexico,Sweden,byTENNANTCOMPANY,Minneapolis,
Minnesota,U.S.A.
Acknowledgments:Technicalinformationand/orillustrations supplied byTeledyneContinentalMotors,
IndustrialProductsDivision:CessnaFluidPowerDivision;EatonCorporation,HydraulicsDivision.
Copyright1987 TennantCompany,PrintedinU.S.A.

INSTALLATIONREPORT
MODEL92GR
NOTE:Thisreportmustbecompleted,signedandreturned.
customerdateinstalled
address machineserial
number
citystate enginemodel
andserialnumber
telephonenumberTennantCompany
Representative
jOPERATIONOFCONTROLS
jDIRECTIONALCONTROLPEDAL
jSTEERINGWHEELANDBRAKES
jTHROTTLELEVER
jENGINEGAUGES
jSIDEBRUSHLEVER
jMAINBRUSHSPEEDLEVER
jMAINBRUSHPOWERLIFTLEVER
jHOPPERDOORLEVER
jVACUUMFANANDHOPPERLIFTLEVER
jMAINBRUSHLIFTLEVER
jSIDEBRUSHADJUSTMENTKNOB
jMAINBRUSH HEIGHTADJUSTMENTKNOB
jMAINBRUSHPRESSUREKNOB
jFILTERSHAKERBUTTON
jCLOGGED DUSTFILTERINDICATOR
jMACHINEOPERATION
jSAFETYPRECAUTIONS
jSTARTINGENGINE
jINSTRUCTIONMANUAL,EXPLAINUSE
jTYPICALSWEEPINGPROCEDURES
jDUMPINGHOPPER
jUSINGHOPPERSUPPORTBAR
jLUBRICATIONANDMAINTENANCE
jLUBRICATIONANDMAINTENANCECHART
jCHANGINGHYDRAULICFLUID,CAPACITY
OFRESERVOIR
jHYDRAULICFLUIDFILTER
jTENNANTHYDRAULICFLUIDRECOM-
MENDED
jENGINE:
jDIPSTICKLOCATION
jCHANGINGENGINEOIL
jFUELTANKLOCATION
jCHANGINGOILFILTER
jSERVICINGAIRCLEANER
jFUELFILTERS
jRADIATOR
jREPLACINGDUSTFILTERS
jREPLACINGBRUSHES
jDUSTSKIRTFLOORCLEARANCE
jHOPPERLIPFLOORCLEARANCE
jLOCATIONOFCIRCUITBREAKERSAND
HOPPERFUSIBLELINK
jBRAKEADJUSTMENTS:
jSERVICEBRAKES
jPARKINGBRAKES
jSEATADJUSTMENTS
jTENNANTCOMPANYWARRANTY
jLOCALSERVICE
jHOWTO ORDER REPLACEMENTPARTS
jPLANNEDMAINTENANCEAGREEMENT
Ihavecheckedthe equipmentandacknowledgethatIhavebeeninstructed byaTennantCompany
Representativeandunderstandandwill complywithall oftheproceduresandsafetymeasurescheckedabove.
customersignaturetitledate
COMMENTS:

i92GRMM188 (10---87)
SAFETYPRECAUTIONS
Thefollowingsymbolsareusedthroughout this
manualasindicatedintheirdescriptions:
WARNING:Towarnofhazardsorunsafe
practiceswhichcouldresultinsevere
personalinjuryordeath.
CAUTION:Towarnofhazardsorunsafe
practiceswhichcouldresultinminor
personalinjury.
Thefollowinginformationsignalspotentially
dangerousconditionstotheoperatororequipment.
Readthismanualcarefully.Know whenthese
conditionscanexist.Locateall safetydevicesonthe
machine.Thentakenecessarystepstotrain
machineoperatingpersonnelhowtousethose
safetydevices.Reportmachinedamageorfaulty
operationimmediatelytopersonnelresponsiblefor
therepairofthemachine.Donotusethemachineif
itisnotinproperoperatingcondition.
WARNING:Donotoperatethemachine
untilyouhavereadandunderstoodthe
operatinginstructionsandareproperlytrained.
Failuretodosocouldresultinseverepersonal
injury.
WARNING:Beforeoperatingthemachine,
makesureall safetydevicesareinplace
andoperateproperly.Checkthefootandparking
brakesandthesteeringcontrolforproper
operation.Donotstartmachineunless youarein
operator’s seat,withfootonthebrakepedalor
operationalparkingbrake engagedandthe
directionalpedalinthe“neutral”position.Failure
todosocouldallowmachinetomove
immediatelyuponstart--up,resultinginsevere
personalinjury.
WARNING:Provideadequateventilation
whenoperatingmachinetopreventbuildup
ofengine exhaustgases.Improperorinadequate
ventilationwill causeasphyxiation.Checkexhaust
systemregularlyforleaks.
WARNING:Donotoperatemachinein
flammableorexplosive environment.
Machineisnotdesignedforsuchanenvironment.
Itcouldcauseignitionof flammableorexplosive
materials.
WARNING:Donotoperatemachinein
areaswithpossiblefallingobjectsunless
machineisequippedwithoverheadguard.
WARNING:Dirt,dust,and debrismaybe
thrownbythemachinewheninoperation.
Safetyglassesorgogglesmustbewornbythe
machineoperatortoprotecteyes.Failuretodoso
couldcauseseriouseyeinjury.
WARNING:Excessivenoisemaybe
generatedbythemachinewhenitis
operatedincertainconfinedornoisyareasorin
certainconditionsofdisrepair.Hearingprotection
shouldbeworn undersuchconditionstoavoid
hearingloss.
WARNING:Donotcarryriderson
machine.Machineisdesignedtocarryone
operator;riderscouldfall off andbecome
seriouslyinjured.
WARNING:Alwaysfollowsafetyandtraffic
rulesoftheareainwhichthemachineis
beingoperatedtopreventseriousinjury.
WARNING:Usecarewhenbacking
machinetopreventinjurytobystanders.
WARNING:Donotdrivethemachinefor
anygreatdistanceorathighspeedwiththe
hopper raised.Araisedhopper reducesmachine
stability.
WARNING:Besureadequatevertical
clearanceisavailablebeforeattemptingto
highdumpthehopper.Failuretodosocould
causeoverheadobjectstofall orcouldcause
electricalshockifoverheadwiringiscontacted.
WARNING:Alwaystravelslowlyongrades
topreventmachineinstability.Donot
exceedmaximumratedrampclimband descent
angles.
WARNING:Machineshouldnotcreep
whenthedirectionalcontrolpedalisinthe
“neutral”position.Adjustcontrolpedal linkageto
stopmachinecreeping.

92GRMM188 (10---87)ii
WARNING:Alwaysengagethehopper
supportbarbeforeworkingunderaraised
hopper.Donotrelyonthemachinehydraulic
systemtokeepthehopperinthe“raised”
position.Thehydraulicsystem mayleak
internally,allowingthehoppertolower,crushing
anythingunderit.
WARNING:Avoidmovingpartsofthe
machine.Donotwearloosejackets,shirts,
orsleeveswhenworkingonmachinebecauseof
thedangerofbecomingcaughtinmovingparts.
Keepshieldsandguardsinposition.Wear
approvedeyeprotection.Ifadjustmentsmustbe
madewhilethe engineisrunning,use extreme
cautionaroundhotmanifolds,movingparts,
belts,etc.
WARNING:Always stopthemachineona
levelsurface,stopthe engineandengage
theparkingbrakebeforeworkingonthemachine
tokeepitfromrolling.

iii92GRMM188 (10---87)
FORSAFETYLABEL LOCATEDONDUST
SHIELD.
ENGINEFANLABEL LOCATEDONTHETOP
ANDSIDEOFTHERADIATORFANSHROUD.
1.DoNotOperateMachine:
-Unless TrainedAndAuthorized.
-Unless OperationManualIs
ReadAndUnderstood.
-InFlammableOrExplosive
-InPoorlyVentilatedAreas.
2.DoNotUseFlammable
CleaningAgents
3.CheckForFuelLeaks.
4.GoSlowOnGradesAnd
SlipperySurfaces
5.BeforeLeavingMachine:
-StopOnLevelSurface
-StopEngine---AndSet
ParkingBrake(IfSoEquipped).
-WhenParking,RemoveKey
6.UseTENNANTCONPANY
SuppliedOrEquivalent
ReplacementParts.
Areas.
Thefollowingsafetydecalsaremountedonthe
machineinthelocationsindicated.Ifthese,or
any,decalsbecomedamagedorillegible,
install anewdecalinitsplace.
HOPPERLIFTARMLABEL LOCATEDON
RIGHTANDLEFTSIDELIFTARMS.
CAUTION
TOXICEMISSIONSLABEL LOCATEDONTHE
OPERATORKICKPANEL.
03784
04412
03401
03781
04300

92GRMM188 (10---87)iv
FALLINGHOPPERLABEL LOCATEDON
PUMPBAFFLE.
04321
FALLINGHOPPERLABEL LOCATEDON
LEFTSIDELIFTARMANDONHOPPER
SUPPORTBAR.
04306
WARNING
INSTRUCTIONS
ToEngageSafetySupportBar:
1.LiftHopperToExtreme
UpPosition.
2.SetParkingBrake.
3.DismountMachineAnd
LowerSafetySupport
Bar.
4.LowerHopperOnto
SupportBar.
5.ShutOff Engine.
Stop
SafetySupportBar
WARNING
04300

v92GRMM188 (10---87)
GENERAL
INFORMATION
CONTENTS
Page
SAFETYPRECAUTIONSi...................
SECTION1--- SPECIFICATIONS
MachineSpecifications1---1..................
MachineDimensions1---3...................
SECTION2--- OPERATION
PreparationforOperation2---1...............
OperationofControls2---2...................
MachineComponents2---2................
ControlsandInstruments2---3.............
BrakePedal2---4........................
DirectionalPedal2---4....................
MainBrushHeightAdjustment
Knob2---4................................
OperatorSeat2---4.......................
MainBrushSpeedLever2---5.............
MainBrushPowerLiftLever2---5..........
ThrottleLever2---6.......................
MainBrushPressureKnob2---6...........
SideBrushLever2---6....................
HopperDoorLever2---6..................
VacuumFanandHopperLift
Lever2---6..........................
MainBrushLiftLever2---7.................
OperatingLampsSwitch2---7.............
HazardLampSwitch2---7.................
TurnSignalLever2---7....................
CloggedDustFilterIndicator2---7..........
DustFilterShakerPushbutton
Switch2---7..........................
DumpDoorIndicator2---7................
FuelLevelGauge2---7....................
EngineCoolantTemperature
Gauge2---7..........................
EngineOilPressureGauge2---8...........
SteeringWheel2---8......................
BrushPressureIndicator2---8.............
BatteryConditionGauge2---8.............
EngineHourMeter2---8..................
SideBrushSwitch2---8...................
DieselPre---HeatIndicator2---8............
IgnitionSwitch2---8......................
ParkingBrake2---8.......................
SideBrushHeightAdjustmentKnob2---9...
Page
HopperSupportBar2---9.................
ToEngageHopperSupportBar2---9...
ToDisengageHopperSupportBar2---9
HydraulicPressureGauge2---10............
StabilizerLeg2---10.......................
FusesandCircuitBreakers2---10...........
MachineOperation2---11.....................
NormalSweepingOperation2---11..........
Pre---StartChecklist2---11..............
ToStartMachine2---11.................
ToSweep2---11.......................
ToDumpHopper2---12................
PostOperationChecklist--- Engine
Operating2---12......................
ToStopMachine2---12.................
PostOperationChecklist--- Engine
Stopped2---13.......................
OperationonGrades2---13................
MachineTroubleshooting2---14.............
TransportingMachine2---15...................
PushingorTowingMachine2---15...........
MachineJacking2---15....................
MachineTie---Downs2---16.................
MachineStorage2---17.......................
StoringMachine2---17.....................
SECTION3--- MAINTENANCE
RecommendedFirst50---HourMachine
Inspection3---1............................
MaintenanceChart3---2.....................
Lubrication3---4.........................
Engine3---4.........................
RearWheelSupportPivot3---4.........
SteeringGear3---4...................
SideBrushPivotPins3---5.............
StabilizerLegPivotPin3---5...........
FrontWheelBearings3---5............
Hydraulics3---6.............................
HydraulicFluid3---6......................
HydraulicFluidReservoir3---6.............
HydraulicFluidFilter3---7.................
ToReplacetheHydraulic
FluidFilterElement3---7..............
DirectionalControlPedal“Neutral”
PositionAdjustment3---7...................
SpeedLimiter3---8.......................
HydraulicFluidLeaks3---8................

92GRMM188 (10---87)vi
Page
HydraulicSchematic3---9.................
HydraulicSystemTroubleshooting3---10.....
HydraulicComponents
Troubleshooting3---12.....................
Engine3---13..............................
EngineLubrication3---13...................
CoolingSystem3---13.....................
AirIntakeSystem3---13....................
AirFilterRestrictionIndicator3---14..........
AirFilter3---14..........................
ToReplaceAirFilterElement3---14......
FuelSystem--- Diesel3---15................
DieselFuelSystem3---15...............
FuelWaterTrap3---15..................
ToCleanWaterTrap3---15..........
FuelFilter3---16.......................
ToReplaceFuelFilter
Element3---16....................
FuelInjectionPump3---16..............
FuelInjectors3---16....................
PrimingtheFuelSystem3---17..........
DieselFuelTroubleshooting3---18.......
CylinderHead3---19.......................
CylinderHead3---19...................
ValveTappetClearance3---19...........
ElectricalSystem3---20.......................
Battery3---20..........................
ElectricalSchematic3---21.................
ElectricalSchematic,Accessories3---22.....
BeltsandChains3---23.......................
EngineFanBelt3---23.....................
StaticDragChain3---23....................
DebrisHopper3---24.........................
HopperDustFilters3---24..................
ToRemoveHopperDustFilters3---24....
ToInstall HopperDustFilters3---25......
HopperFusibleLink3---25.................
ToReplaceHopperFusibleLink3---25...
DebrisHopper3---26......................
ToCheckandAdjustHopper
FloorClearance3---26.................
StabilizerLeg3---26.......................
ToAdjustStabilizerLeg3---27...........
Brushes3---28..............................
MainBrush/WireBrush3---28...............
ToReplaceMainBrush/Wire
Brush3---28..........................
ToCheckandAdjustMain
BrushPattern3---29...................
ToCheckandAdjustWire
BrushPattern3---30...................
SideBrush3---30.........................
ToReplaceSideBrush3---30...........
ToAdjustSideBrush
MaximumHeight3---31................
ToAdjustSideBrushAngle3---31.......
ToAdjustSideBrushBumper
Clearance3---32......................
SkirtsandSeals3---33........................
HopperLipSkirts3---33....................
ToReplaceHopperLipSkirts3---33......Page
HopperSideSeals3---33...................
ToReplaceHopperSideSeals3---33....
BrushDoorSkirts3---34...................
ToReplaceandAdjustBrush
DoorSkirts3---34.....................
RearSkirts3---35..........................
ToReplaceandAdjustRear
Skirts3---35..........................
HopperDustDumpDoorSeal3---35........
ToReplaceHopperDustDump
DoorSeal3---35......................
ToCheckandAdjustHopper
DustDumpDoorSeal3---36............
HingedTopHopperSeal3---37.............
ToReplaceandAdjustHinged
TopHopperSeal3---37................
HopperDoorHingeSeal3---38.............
ToReplaceHopperDoorHinge
Seal3---38..........................
BrakesandTires3---39.......................
ServiceBrakes3---39......................
ParkingBrakes3---40......................
Tires3---40...............................
SECTION4--- APPENDIX
HardwareInformation4---1................
StandardBoltTorqueChart4---1.......
MetricBoltTorqueChart4---1..........
BoltIdentification4---1................
HydraulicFittingInformation4---2..........
HydraulicTaperedPipeFitting
(NPT)TorqueChart4---2..............
HydraulicTaperedSeatFitting
(JIC)TorqueChart4---2...............
HydraulicO---RingFittingTorqueChart4---2.
SECTION5--- STANDARDMODELPARTS
SECTION6--- ACCESSORIES
SECTION7--- HYDRAULIC COMPONENTS
SECTION8--- ENGINEPARTS,DIESEL
SECTION9--- CUSTOMERDOCUMENTS

SECTION1
SPECIFICATIONS
CONTENTS
Page
MachineSpecifications1---1....................
MachineDimensions1---3......................

92GRMM188 (11---87)1-1
MACHINESPECIFICATIONS
POWERTYPE
Enginetype--- piston
Ignition--- diesel
Cycle--- 4
Aspiration--- natural
Cylinders--- 4
Bore--- 3.58 in(91 mm)
Stroke--- 4.06 in(103 mm)
Displacement--- 164 cuin(2680 cc)
Netpower--- 51 hp(38 kW)@2200 rpmgoverned
66 hp(49 kW)@3000 rpm maximum
Fuels--- #1or#2dieselfuel,45 cetaneminimum
Coolingsystem--- water
Electricalsystem--- 12 Vnominal,42 Aalternator
POWERTRAIN
Propelling--- hydraulicdrivemotor,rearwheel
Mainbrush--- hydraulicdrivemotor
Sidebrush--- hydraulicdrivemotor
Vacuumfan--- hydraulicdrivemotor
STEERING
Type--- rearwheelcontrolled,automotivecamand
lever
Powersource--- manual
Emergencysteering--- manual
HYDRAULICSYSTEM
Function--- operatespropelling,hopperlift,hopper
dump,mainbrushdrive,mainbrushpressure,main
brushlift,sidebrushdrive,andvacuumfandrive.
Controlvalve,hopperlift,vacuumfandrive,hopper
door--- opencenter,twospool.
Controlvalve,sidebrushdrive--- opencenter,one
spool.
Controlvalve,mainbrushspeed--- opencenter,one
spool.
Controlvalve,mainbrushpressure--- opencenter,
onespool.
Propellingpump--- variabledisplacementpiston
pump,20.8gpm(80 L/min)@2400 rpm
Propellingsystemrated pressure--- 4500 psi(31,030
kPa)
Mainbrushpump--- variabledisplacementpiston
pump,20.8gpm(80 L/min)@2400 rpm
Mainbrushsystemrated pressure--- 4500 psi
(31,030 kPa)
Accessoriespump--- gearpump,2gpm(30 L/min)
@2400 rpm.
Accessories systemrated pressure--- 2000 psi
(13,790 kPa)
Dumpcylindersystemrated pressure--- 500 psi
(3450 kPa).
Propellingmotor--- internalgearmotor,29.9cuin
(490 cc)displacementper revolution.4500 psi
(31,030 kPa)maximumrated pressure.
Mainbrushmotor--- internalgearmotor,4.9cuin
(80 cc)displacementper revolution.4500 psi(31,030
kPa)maximumrated pressure.
Sidebrushmotor--- internalgearmotor,17.9cuin
(295 cc)displacementper revolution.2500 psi
(17,240 kPa)maximumrated pressure.
Vacuumfanmotor--- externalgearmotor,0.26 cuin
(4cc)displacementper revolution.3000 psi(20,685
kPa)maximumrated pressure
Hopperliftcylinder--- doubleaction,3.5in(90 mm)
borex20.7in(525 mm)stroke,1.5in(40 mm)di-
ameter rod,2500 psi(17,240 kPa)maximumrated
pressure.
Hopperdumpcylinder(2)--- doubleaction,2in(51
mm)borex12 in(305 mm)stroke,1in(25 mm)di-
ameter rod,2500 psi(17,240 kPa)maximumrated
pressure.
Mainbrushcylinder(2)--- doubleaction,2.5in(65
mm)borex1.5in(40 mm)stroke,1.12 in(30 mm)
diameter rod,2000 psi(13,790 kPa)maximumrated
pressure.
BRAKINGSYSTEM
Servicebrakes--- hydraulicdrumbrakes(2),oneper
frontwheel,footbrakemastercylinderactuated
Parkingbrakes--- utilizes servicebrakes,cable
actuated
SUSPENSIONSYSTEM
Front--- two21 x5x12 solidtires
Rear--- one6.90/6.00 x9solidtire
SYSTEMFLUIDCAPACITIES
Enginecoolingsystem--- radiator7.4qt(7L)
totalsystem11.2qt(10.6L)
Enginelubricatingoil--- 6qt(5.7L)w/ofilter
7qt(6.6L)w/filter
Fueltank--- 18 gal(68 L)
Hydraulicsystem--- reservoir12 gal(45.5L)
totalsystem14 gal(53 L)

92GRMM188 (6---87)1-2
GENERALMACHINEDIMENSIONS/CAPACITIES
Length--- 111.5in(2830 mm)
Width--- 71 in(1805 mm)
Height--- 59 in(1500 mm)w/o overheadguard
81.5in(2070 mm)w/overheadguard
90.5in(2300 mm)w/overheadguard,revolvinglight
Track--- front,60.5in(1535 mm)
Wheelbase--- 48.9in(1240 mm)
Mainbrush,sweeping--- diameter,16 in(405 mm)
length,50 in(1270 mm)
Mainbrush,wire--- diameter,15 in(380 mm)
length,50 in(1270 mm)
Sidebrush--- rotarydiameter,26 in(660 mm)
Sweepingpathwidth--- 50 in(1270 mm)w/oside
brush
66 in(1676 mm)w/sidebrush
Hoppercapacity--- 1800 lb(815 kg),26.7cuft(0.76
m#)
Dustfilterarea--- 162 sqft(15 m@)
MACHINEWEIGHTS
Netweight,dry--- 5200 lb(2360 kg)
NetGVWR--- 7000 lb(3175 kg)
GENERALMACHINEPERFORMANCE
Maximumforwardspeed--- 10.7mph(17 km/h)
Maximumreversespeed--- 6mph(10 km/h)
Turningradius--- right,91.5in(2325 mm)left,70.75
in(1795 mm)

92GRMM188 (11---87)1-3
MACHINEDIMENSIONS
111.5in(2830 mm)
71 in
(1805 mm)
90.5in
(2300 mm)
81.5in
(2070 mm)
108 in
(2745 mm)
60.5in
(1535 mm)
TOPVIEW
SIDEVIEW
01431

92GRMM188 (6---87)1-4

SECTION2
OPERATION
CONTENTS
Page
PreparationforOperation2---1...............
OperationofControls2---2................
MachineComponents2---2................
ControlsandInstruments2---3.............
BrakePedal2---4........................
DirectionalPedal2---4....................
MainBrushHeightAdjustment
Knob2---4...............................
OperatorSeat2---4.......................
MainBrushSpeedLever2---5.............
MainBrushPowerLiftLever2---5..........
ThrottleLever2---6.......................
MainBrushPressureKnob2---6...........
SideBrushLever2---6....................
HopperDoorLever2---6..................
VacuumFanandHopperLift
Lever2---6...............................
MainBrushLiftLever2---7.................
OperatingLampsSwitch2---7.............
HazardLampSwitch2---7.................
TurnSignalLever2---7....................
CloggedDustFilterIndicator2---7..........
DustFilterShakerPushbutton
Switch2---7..............................
DumpDoorIndicator2---7................
FuelLevelGauge2---7....................
EngineCoolantTemperature
Gauge2---7..............................
EngineOilPressureGauge2---8...........
SteeringWheel2---8......................
BrushPressureIndicator2---8.............
BatteryConditionGauge2---8.............
EngineHourMeter2---8..................
SideBrushSwitch2---8...................
DieselPre---HeatIndicator2---8............
IgnitionSwitch2---8......................
ParkingBrake2---8.......................
SideBrushHeightAdjustmentKnob2---9...
HopperSupportBar2---9.................
ToEngageHopperSupportBar2---9...
ToDisengageHopperSupport
Bar2---9............................
Page
HydraulicPressureGauge2---10............
StabilizerLeg2---10.......................
FusesandCircuitBreakers2---10...........
MachineOperation2---11.....................
NormalSweepingOperation2---11..........
Pre---StartChecklist2---11..............
ToStartMachine2---11.................
ToSweep2---11.......................Page
ToDumpHopper2---12................
PostOperationChecklist--- Engine
Operating2---12......................
ToStopMachine2---12.................
PostOperationChecklist--- Engine
Stopped2---13.......................
OperationonGrades2---13................
MachineTroubleshooting2---14.............
TransportingMachine2---15...................
PushingorTowingMachine2---15...........
MachineJacking2---15....................
MachineTie---Downs2---16.................
MachineStorage2---17.......................
StoringMachine2---17.....................

2-192GRMM188 (10---87)
PREPARATIONFOROPERATION
AFTERUNCRATINGANDBEFOREOPERATINGTHE
MACHINE:
1.Checkthemachineforshippingdamage.
2.Readthismanualcarefullybeforeoperatingor
servicingthemachine.
WARNING:Donotoperatethemachine
untilyouhavereadandunderstoodthe
operatinginstructionsandareproperlytrained.
Failuretodosocouldresultinseverepersonal
injury.
3.Checkthehydraulicfluidlevelinthehydraulic
fluidreservoirusingthesightgaugeprovided.
TENNANTrhydraulicfluidisrecommended.If
TENNANTrhydraulicfluidisnotavailable,
useonlynew---approvedhydraulicfluid.See
HydraulicsintheMaintenancesection.
4.Checkthe engineoil level.
5.Checktheradiatorcoolantlevel.
WARNING: Ifthecoolantishotorifthe
enginehasbeenoperating,let the engine
cool.Hotcoolantcouldscaldorcausesevere
burns.Ifindoubt,let thecoolantcoolbefore
releasingpressureinthecoolingsystem.
6.Checkthebrushadjustment,asdescribedin
Maintenancesection.
7.Fill thefueltank.

92GRMM188 (10---87)2-2
OPERATIONOFCONTROLS
ABC
D
E
F
G
H
I
J
04300
MACHINECOMPONENTS
A.OperatorSeatF.HopperInspectionDoor
B.InstrumentPanelG.SideBrush
C.OverheadGuardH.SideBrushHeightAdjustmentKnob
D.EngineCoverI.HopperSupportBar
E.HopperJ.MainBrushAccess

2-392GRMM188 (10---87)
AB
C
D
E
F
G
HI
J
K
L
M
NO
QR
PS
TUVW
XYZAA
BB
CC
DD
EE
FF
04301
CONTROLSANDINSTRUMENTS
A.BrakePedalQ.DustFilterShakerPushbuttonSwitch
B.DirectionalPedalR.DumpDoorIndicator
C.MainBrushHeightAdjustmentKnobS.FuelLevelGauge
D.OperatorSeatT.EngineCoolantTemperatureGauge
E.MainBrushSpeedLeverU.EngineOilPressureGauge
F.MainBrushPowerLiftLeverV.SteeringWheel
G.ThrottleLeverW.BrushPressureIndicator
H.MainBrushPressureKnobX.BatteryConditionGauge
I.SideBrushLeverY.EngineHourMeter
J.HopperDoorLeverZ.SideBrushSwitch
K.VacuumFanandHopperLiftLeverAA.DieselPreheatIndicator
L.MainBrushLiftLeverBB.IgnitionSwitch
M.OperatingLampsSwitchCC.ParkingBrake
N.HazardLampSwitchDD.SideBrushHeightAdjustmentKnob
O.TurnSignalLeverEE.HopperSupportBar
P.CloggedDustFilterIndicatorFF.HydraulicPressureGauge

92GRMM188 (10---87)2-4
BRAKEPEDAL
Thebrakepedaloperatesthemechanicaldrum
brakesonthetwofrontwheels.
Tostopthemachine,returnthedirectionalcontrol
pedaltoneutral;thenapplypressuretothebrake
pedal.
DIRECTIONALPEDAL
Asinglefootpedalcontrolsthehydraulicpropelling
drive.Thefootpedalisusedtoselect thedirectionof
travelandthepropellingspeedofthemachine.
AB
C
00116
DIRECTIONALPEDAL
A.“Reverse”Position
B.“Neutral”Position
C.“Forward”Position
Graduallypress the“toe”positionofthepedalfor
forwardtravelorthe“heel”portionofthepedalfor
reversetravel.Thepropellingspeedofthemachine
isregulated byvaryingthepressureonthepedal.
Ifthemachinecreepswhenthepedalisinthe
neutralposition,adjust thepedalasdirectedin
DirectionalPedal“Neutral”PositionAdjustmentinthe
Maintenancesection.
WARNING:Alwaysusethebrakepedalfor
normalstoppingandcontrollingmachine
speedondowngradestopreventloss ofmachine
control.
MAINBRUSH HEIGHTADJUSTMENTKNOB
Themainbrush heightadjustmentknobislocated
behindanaccess doornext totheoperator’sleft
foot.Itlimitsthemainbrushliftlinkagetravel.The
greaterthelinkagetravel,thegreatertheamountof
floorcontact themainbrushwill have.
Turningtheknobclockwiseraisesthemainbrush,
reducingthemainbrushfloorcontact.
Turningtheknobcounterclockwiselowersthemain
brush,increasingmainbrushfloorcontact.
A
BC
01434
MAINBRUSH HEIGHTADJUSTMENTKNOB
A.WingNut
B.AdjustmentKnob
C.Access Door
OPERATORSEAT
Theoperatorseatisofafixed backstyle.
Theseatpositionisadjusted bypullingtheseat
positionlevertotheleft,slidingtheseatforwardor
backwardtoacomfortableposition,andreleasing
thelever.

2-592GRMM188 (10---87)
MAINBRUSHSPEEDLEVER
Themainbrushspeedlevercontrolsthespeedof
themainbrush.Ithasthree positions--- “off”,
“sweeping”,and“wirebrush”.
Tostart thebrushesturningfornormalsweeping,
pushtheleverforwardintothe“sweeping”position.
Tostart thewirebrushturningforgrimeremoval,
pushtheleverforwardintothe“wirebrush”position.
Tostopthebrushfromturning,pull theleverback
intothe“off”position.
A
BC
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MAINBRUSHSPEEDLEVER
A.“Off”Position
B.“Sweeping”Position
C.“WireBrush”Position
MAINBRUSHPOWERLIFTLEVER
Themainbrushpowerliftlever raisesandlowersthe
wirebrush.Ithasthree positions--- “up”,“”hold”,
and“down”.
Toraisethewirebrush,pushtheleverintothe“up”
position.Tokeepthebrushatitspresentheight,pull
theleverintothe“hold”position.
Tolowerthebrush,pull theleverintothe“down”
position.
NOTE:Thepowerliftleverwill notinterferewiththe
mainbrushliftleverwhenitisusedtoraisea
sweepingbrush.Themainbrushliftleverwill not
lowerthebrushifthepowerliftleverisinthe“up”or
“hold”positions;orifthemainbrushpressureknob
isinthe“fullydecreased”position.
ABC
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MAINBRUSHPOWERLIFTLEVER
A.“Up”Position
B.“Hold”Position
C.“Down”Position