WABCO TAILGUARD Bedienungsanleitung

TAILGUARD™

FOR REFUSE COLLECTION VEHICLES

Table of contents

1 Introduction ...................................................................................................................................................... 4

2 Safety information............................................................................................................................................ 6

2.1 General safety instructions ...........................................................6

2.2 Summary of the safety instructions from the chapters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3 TailGUARD™ .................................................................................................................................................. 10

3.1 TailGUARD™ for trailers ............................................................10

3.2 TailGUARD™ for Truck & Bus ........................................................10

4 TailGUARD™ for refuse collection vehicles ............................................................................................... 11

4.1 General functional principles .........................................................11

4.2 Why use TailGUARD™ and not a camera system? .......................................13

4.3 RetrottingTailGUARD™:Requirementsfortherefusecollectionvehicle......................13

5 Required components: Overview ................................................................................................................. 15

5.1 Variant:Onlymonitoringandwarning ..................................................15

5.2 Variant:Autonomousbrakingviaseparatevalves .........................................16

5.2.1 Separate valves for vehicles with an ABS braking system...................................................... 17

5.2.2 Separate valves for vehicles with a conventional braking system........................................... 18

5.2.3 Separate valves for vehicles with an EBS braking system...................................................... 18

5.3 Variant:AutonomousbrakingviaapreparedinterfaceforTailGUARD™ .......................19

6 Installation of the ultrasonic sensors .......................................................................................................... 20

6.1 The three standard applications ......................................................21

6.2 Positioningofthesensorsonrefusecollectionvehicles ....................................22

6.3 Testingthesensorpositions .........................................................25

6.4 Protectionagainstdamage ..........................................................26

6.5 Cablerouting .....................................................................27

7 Connecting TailGUARD™ to the vehicle electrical system ....................................................................... 30

7.1 Variant:Onlymonitoringandwarning ..................................................31

7.2 Variant:Autonomousbrakingviaseparatevalves .........................................32

7.2.1 Actuation of the stop lights ...................................................................................................... 33

7.2.2 Connecting with the electrical compartment............................................................................ 33

7.2.3 Interface connector.................................................................................................................. 34

7.3 Variant:AutonomousbrakingviaapreparedTailGUARD™interface ..........................35

8 Installation of the separate valves ............................................................................................................... 36

9 Planning and performing the TailGUARD™ installation ........................................................................... 38

Edition 1

Version 1 (05.2017)

815 010 212 3 (en)

Thispublicationisnotsubjecttoanupdatingservice.

Youwillndthecurrentversionat:

http://www.wabco.info/i/675

Introduction Introduction

1 Introduction

ThisdescriptionismainlyintendedforpersonswhowanttoplantheinstallationofTailGUARD™inrefusecollection

vehiclesandcarryouttheinstallation.

TailGUARD™isasystemformonitoringtheareabehindvehicleswhichisautomaticallyactivatedwhenreversegear

isengaged.TailGUARD™wasinitiallydevelopedfortrailers.Thesystemisalsoinstalledontowingvehiclesand

busesformonitoringtheareabehindthevehiclewhenreversingwiththeaidofultrasonicsensors.

Ifthesystemdetectsanobstacleintheintendedpathoftravel,itacousticallyandopticallyindicatesthedistanceto

thedriver.Whenthevehiclereachesadenedminimumdistancetotheobject,thevehiclecanbestoppedbyan

automaticactuationofthebrakingsystem.

Refuse collection vehicles frequently in reverse gear

Thesystemisparticularlyusefulonrefusecollectionvehiclessincetheyareoftenforcedtocopewithbothshorterand

comparativelylongdistancesinreversegear,forinstanceincul-de-sacswherethereisinsufcientspaceforturning

around.Insituationslikethis,thedriverhastonegotiatelongerdistancesoverwhichheispartiallyunsightedwhen

lookingintherear-viewmirrors.Thismeansthathemayoverlookobstaclesintheroadorpeoplecrossingoverbehind

therefusecollectionvehicle.

Another special scenario: constant presence of people in the area

behind the vehicle

Thereisanotherimportantreasonforinstallingareversemonitoringsystem.Inthecaseofmostrefusecollection

vehicles,peopleareconstantlyworkingbehindthevehiclewhohavetomanoeuvretherefusecontainerstothe

respectiveliftingandtippingmechanism,andthenhookthemintopositionbeforetheyareliftedandemptied.Itoften

happensthatrefusecollectionscannotstopthevehicleintimeduetocarelessnessorasuddenhealthimpairment.

Thisregularlyresultsinseriousaccidentsandseveraldeathseveryyear.Thiscanbepreventedtoalargeextentby

installingTailGUARD™asareversemonitoringsystem.

Introduction

Special challenges with refuse collection vehicles

Incontrasttoconventionaltowingvehiclesorbuses,mostrefusecollectionvehicleshaveprotrudingliftingandtipping

mechanismsandotherauxiliarydevicesttedtothebackofthevehicle.Thiscanmakeitdifculttondsuitable

locationsforinstallingtheultrasonicsensors.Forinstance,therefusecollectiondevicesonthebackofthevehicle

mustnotbewronglyidentiedasbeingobjectsintheareabehindthevehicle.Thesensorsmustalsobeinstalled

withespeciallyeffectiveprotectionsothattheyarenotdamagedduringthedailyrigoursofcollectingrefuse.Despite

allthesefactors,theymustbeabletoreliablysensethemonitoringareabehindthevehicle.Furtherchallengesarise

withthecablerouting.Here,itmustbeconsideredwhatmovementsaremadebytheattacheddevicesforllingand

emptyingthevehiclesothatthesensorcablescanberoutedinacorrectmanner.

Thisdescriptioncontainsimportantinformationexplaininghowyoucanmasterthesechallenges.

Safety information

2 Safety information

2.1 General safety instructions

Observe all required provisions and instructions:

Readthispublicationcarefully.

Adheretoallinstructions,informationandsafetyinformationtoprevent

injurytopersonsanddamagetoproperty.

WABCOwillonlyguaranteethesafety,reliabilityandperformanceoftheir

productsandsystemsifalltheinformationinthispublicationisadheredto.

Alwaysabidebythevehiclemanufacturer'sspecicationsandinstructions.

Observeallaccidentregulationsoftherespectivecompanyaswellas

regionalandnationalregulations.

Make provisions for a safe work environment:

Onlytrainedandqualiedtechniciansmaycarryoutworkonthevehicle.

Usepersonalprotectiveequipmentifrequired(protectivegoggles,

respiratoryprotection,earprotectors,safetyshoes).

Pedalactuationscanleadtosevereinjuriesifpersonsareinthevicinityof

thevehicle.Makesurethatpedalscannotbeactuatedasfollows:

Switchthetransmissionto"neutral"andactuatethehandbrake.

Securethevehiclewithbrakewedges.

Fastenavisiblenotetothesteeringwheelindicatingthatworkisbeing

performedonthevehicleandthatthepedalsarenottobeactuated.

Safety information

Avoid electrostatic charge and uncontrolled discharging (ESD):

Noteduringconstructionandbuildingthevehicle:

Preventpotentialdifferencesbetweencomponents(e.g.axles)andthe

vehicleframe(chassis).

Makesurethattheresistancebetweenmetallicpartsofthe

componentsandthevehicleframeislessthan10ohms.

Establishanelectricallyconductiveconnectionbetweenmovingor

insulatedvehicleparts,suchasaxles,andtheframe.

Preventpotentialdifferencesbetweenthetowingvehicleandthetrailer.

Makesurethatanelectricallyconductiveconnectionismadebetween

metalpartsinthetowingvehicleandthecoupledtrailerviathecoupling

(kingpin,fthwheel,clawswithpins),evenwithoutacablebeing

connected.

Useelectricallyconductiveboltedconnectionswhenfasteningthe

ECUstothevehicleframe.

Runthecablewithinmetalliccasingswherepossible(e.g.insidethe

U-beam)orbehindmetalandgroundedprotectiveplatingtominimise

theinuenceofelectro-magneticelds.

Avoidtheuseofplasticmaterialsiftheycancauseelectrostatic

charging.

Whilecarryingoutrepairorweldingworkonthevehicle,observethe

following:

Disconnectthebattery(ifinstalledinthevehicle).

Disconnectcableconnectionstodevicesandcomponentsandprotect

connectorsandportsagainstcontamination.

Alwaysconnectthegroundingelectrodedirectlywiththemetalnextto

theweldingpointwhenweldingtopreventmagneticeldsandcurrent

owviathecableorcomponents.

Makesurethatcurrentiswellconductedbyremovingpaintorrust.

Preventheatinuencesondevicesandcablingwhenwelding.

2.2 Summary of the safety instructions from the chapters

Observe the following safety instructions for interventions in the braking system:

Observethespecicationsofthevehiclemanufacturer.

Deactivationwhenthesupplypressureistoolow:Switchthesystemoffif

thevehicle'ssupplypressureistoolow.

Onlyintervenewiththebrakingsystemifyouhavesufcientknowledgeof

thebrakingsystemandknowandcantakeresponsibilityfortheeffectof

youractionsandalltheirconsequences.

Thebrakingsystemisunderpressure.Beforeinterveningwiththebraking

system,makesureallreservoirsandlinesarepressureless.

Withbrakinginterventionsvia separately installed valves,thefrontaxle

mustnotbebraked.Makesurethatthevehicle'sfrontaxlecanNOTbe

brakedbythesystem.Brakinginterventionmustonlyoccurviatherear

axle(s).

To avoid any accidents, observe the following safety instructions for vehicles with braking intervention

through TailGUARD:

Becausethestoppingdistancebecomeslongerwithheavilyladenvehicles

-inparticularwhenitisequippedwithEBS-thesettings(parameter

setting/pressurelimitingvalve)mustenablesufcientdecelerationforthe

fullyladenvehicle.

Notepulsedbrakingwhenreversingtoofast:

TailGUARDcanassistonlywithreversingspeedsbelowmax.9km/h.

TailGUARDwilltriggershortbrakepulseswhenacriticalspeedis

reachedtoalertthedriver.

Ifthedriveracceleratesfurther,TailGUARDdeactivatesitselfand

outputsafaultmessage.

InthecaseofEBSvehicleswithbrakeinterventionvia separately

installed valves, ABSfunctionsarenotavailableduringTailGUARD

braking.EvenatthelowspeedrangeatwhichTailGUARDisactive,the

wheelsmightlockonslipperysurfaces.

Speedsignalfaultsduetoincorrectorunprofessionalconnectioncan

signicantlyimpairvehiclesafety.

Vehicles with a prepared interface for TailGUARD: TailGUARD may not

brakeifthevehicle’sEBSsystemhasafault.

Safety information

Observe the following safety instructions for handling cables:

Waterthatentersthecablecoreorcablesleevecandamageelectronic

controlunits.Cableswithopenendsshouldthereforealwaysbe

connectedinthedriver’scabtoensurethatnowatercanenterthem.

Wherethisisnotpossible,useasuitablecablejointbox,e.g.AK190.This

applies in particular when using the prepared brake interface on the

Daimler Econic Euro6.

Planyourinstallationpositionsothatcablescannotbecomekinked.

Fastenthecablesandconnectorssothattheplugconnectionsarenot

subjectedtoanytensilestressorlateralforces.

Neverroutecablesoversharpedgesorinthevicinityofaggressivemedia

(e.g.acids).

Routethecabletotheconnectionssothatnowatercanenterthe

connector.

Fastenthecabletiessothatthecableisnotdamaged.

Whenusingtools,pleasenotetheinstructionsofthecable-tie

manufacturer.

Ifthecablesaretoolong,donotwindthemupbutlaytheminloops.

Observe the following safety instructions for handling ultrasonic sensors:

Thesurfacetowhichtheultrasonicsensorismountedmustbeevenand

mustbeatleast2mmlargerthantheultrasonicsensor(thisisrequired

toprotectthedrainageholesintherearagainstdirecthigh-pressure

cleaning).

UltrasonicsensorsmustnottobemountedinaU-prolebecausethis

couldcausereections.WABCOrecommendstomounttheultrasonic

sensorsmechanicallyprotectedtoavoiddamage.

Theabilitytodetectobjectslargelydependsontheultrasonicsensors'

positioningonthevehicle.Makesurethattheultrasonicsensorsare

installedataheightofatleast40cm.

Noothervehiclecomponentsshouldbeinstalledwithintheultrasonic

sensor'srangeofvision.

Therateofdetectiondependsonobjectsurfaces:

Ultrasoundisbestreectedbysmoothsurfacesthatarepositionedata

rightangletothesound'sdirection.

Smallandunfavourablesurfacessuchasmeshedstructures,furry

orhairysurfacesatanobliqueangletothesound'sdirectionarenot

detected so easily.

Safety information

3 TailGUARD™

3.1 TailGUARD™ for trailers

TailGUARD™wasinitiallydevelopedfortrailervehiclesttedwithanEBSbrakingsystemandusedonthe

trailer.Incidentally,thisexplainswhythetrailersuseEBSEdiagnosticsoftwarefordiagnosingandconguringall

TailGUARD™systemsandputtingthemintooperation,evenwhereTailGUARD™isinstalledinthetowingvehicle

orbus.Thediagnosticsoftwareautomaticallydetectsthiswhenthesystemstartsupandswitchestotheappropriate

mode.

TwodifferentsystemsareavailablewithTailGUARD™fortrailervehicles:

WithTailGUARDlight™,twoultrasonicsensorsareusedtomeasuretheactualdistancetotheloadingramp.The

systemdoesnotmonitortheentireareabehindthevehicle,butisonlyanaidforapproachingtheramp.

TheotherthreeTailGUARD™variantsaresystemsformonitoringtheareabehindthevehicle.WABCO

recommendsaminimumsystemofthreesensorsonthesamelevel(thevariantTailGUARD™).Withthe

TailGUARDROOF™variant,forexample,aroofovertherampcanbedetectedbytwoextraultrasonicsensors

mountedonanadditionalupperlevel.Arearareamonitoringsystemcanberealisedwiththeaidofsixultrasonic

sensorsontwolevels(TailGUARDMAX™)whichisalsocapableofdetectingsmallerobjectsbehindthevehicle.

ThemostdetaileddescriptionofTailGUARD™fortrailervehiclescanbefoundintheTEBSEsystemdescription.You

candownloadthelatestversioninWABCOINFORMundertheproductnumber8150100933.

3.2 TailGUARD™ for Truck & Bus

WithTailGUARD™fortowingvehiclesandbuses,thesamesensorisusedforthetrailervehicleswhichisusedto

monitortheareabehindthevehicle.Themostsignicantdifferenceconcernshowthesystemisintegratedinthe

vehicleelectricalsystem,andhowanautomaticbrakingactionisrealisedwhentheconguredminimumdistanceto

anobstacleisreached.

Here,TailGUARD™forTruck&Bussupportsvariouspossibilities,whichareconciselyexplainedinthisdescription.

Adetaileddescriptionofthesystem,togetherwith

amoreprecisedescriptionoftheoverallsystem,

alistanddescriptionoftherequiredcomponents,

installationinstructions,

adescriptionofhowthesystemisputintooperation,

operationbythedriver,

maintenanceanddiagnosisinstructionsforworkshops,

aswellaswiringdiagrams,

canbefoundinthesystemdescriptionforTailGUARD™forTruck&Bus.Youcandownloadthelatestversionin

WABCOINFORMundertheproductnumber8150102113.

Note:AnycrossreferencesgiveninthissystemdescriptionofTailGUARD™forTruck&Busthatrefertospecic

placesrelatetoversion3ofthissystemdescription.

TailGUARD™

Andere Handbücher für TAILGUARD

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