Bosch SMT300 SMT 300 LeakTamer II User Manual

F00E900291

SMT 300 Smoke Machine Tester

Operator Manual

with UltraTraceUV® Dye Solution

Robert Bosch LLC SMT 300 Operator Manual | Version 1 | January 2011

ii | Contents | SMT 300 Operator Manual

TO PREVENT PERSONAL INJURY AND/OR

DAMAGE TO VEHICLE OR EQUIPMENT

• Usethisequipmentinthemannerspeciedbythe

manufacturer.

• Understandoperatingprocedures/followallsafety

precautions.

• CorrectlyconnectSMT300testertobatteryand

chassisground.

• UseUltraTraceUV®SmokeSolutionNo.

F00E900348inthisSMT300tester.Alteringthe

solution,hoses,cablesoranyotherreplacement

partsmaycausedamagetovehiclesbeingtested

andmaycausepersonalinjury.

• NEVERusewithrunningvehicleengine.

• NeverleavetheSMT300tester’shosesorpower

cablesconnectedtothevehicleforextended

periodsoftimewhentestsarenotbeing

performed.

• Donotperformtestnearsourceofsparkor

ignition.

• Itisessentialthatthe12VDCbatterysource

youusetopowertheSMT300testerisingood

conditionandfullycharged.

• WeareyeprotectionthatmeetsOSHAstandards.

• Followsafetyprecautionswhenusingultraviolet

lightsource.

• Airpressureornitrogensourcetotestercanbe

between50-175PSI(3.4to12bar).

• StoreandoperatetheSMT300testerinupright

position.

• Usewithanon-combustiblegas,suchasnitrogen,

argonorCO

,whentestingavehicle’sfuelvapor

recovery(EVAP)system.

• Smokeexitingaverysmallleakissometimeseven

easiertoseeifafterllingthesystemwithsmoke

youreducethesmokeowbyturningtheow

controlknobclockwise,whichslowstheexiting

smokevelocityandhelpsyouseeverysmall

leak(s).

• Usethewhitelightprovidedtohighlightthe

smokeexitingaleak.

• UsetheUltraviolet(UV)lightandyellowglasses

providedtolookfortheuorescentdepositat

theexactlocationofaleak.Whenusingalternate

sourceofUVlight,besureitisonethatcoversthe

400nanometer(nm)UVlightrange.

• WhenoperatingtheSMT300testerinnear

freezingtemperatures,cycletheoperationofthe

SMT300tester15secondsONand15seconds

OFFforapproximatelytherstminuteortwoof

operation.ThiswillallowtheSMT300testerto

reachitsoptimumoperatingtemperature.

• Whentestinganengine’sintakeorexhaustsystem

forleaks,itisrecommendedthattheenginebe

cold.Smallleaksmaybesealedduetothermal

expansion.

Contents

1 Introduction

1 SMT 300 Technical Speciﬁcations

2 Items Included with the SMT 300 Tester

3 Optional SMT 300 Accessories

4 Initial Setup

5 SMT 300 Tester Front View

6 SMT 300 Tester Rear View

7 Basic Testing Procedure

7 Optional Gas Source

8 Flow Meter Overview

9 EVAP Tech Tip

10 Control Valve Overview

11-13 Sample Leak Detection Applications

14 SMT 300 Troubleshooting Guide

15 SMT 300 Warranty

16-17 Notes

NOTICE

Please note that the instructions in this Operator

Manualareintendedtoonlyprovidegeneralandbasic

informationtotheuser.Thismanualisnotintendedto

beanexhaustivediscussionanditisnotintendedas

professionaladviceonthemattersorproceduresin

question.Whilerecommendationsandsafetyprecautions/

warningsareprovidedforinthismanual,itisnot

intendedtobeasubstituteforyourcommonsense.

SMT 300 Operator Manual | Version 1 | January 2011 Robert Bosch LLC

SMT 300 Operator Manual | Introduction | 1

Thank You and Congratulations!

Youareinpossessionofthemostuseful,yetsimple

tooperate,leaktesteravailabletoday.Thepatented

technologiesinthismodelSMT300testerwere

developedincollaborationwithmajorautomakersto

speciedstandardsanddesignedtobesafetouseinany

vehicle.Itistheonlysmoketechnologyapprovedbyany

automakerintheworldandistheonlyonethatmeets

SAEInternationalPapers’recommendationsforsaferfuel

evaporative(EVAP)testing[2007-01-1235&2008-01-

0554].

ThisSMT300testerproducesaspecialsmokevapor

knownasDiagnosticSmoke®.Itisdesignedtondleaks

inanylowpressureclosedsystem,aswellaspinpoint

windandwaterleaksenteringthevehicle’spassenger

ortrunkcompartment.TheUltraTraceUV®dyesolution

thetesterusesistheonlyautomaker(OEM)approved

solution.Tolocatealeak;yousimplyintroducethesmoke

vaporintothesystemtobetestedandshinethewhite

lightsuppliedtolookforthesmokeexitingtheleak.

Orusetheultraviolet(UV)lightsuppliedtoviewthe

uorescentdyedepositedattheexactlocationofaleak.

Ifyouseethesmokeorthedye,you’vefoundtheleak.

SMT 300 Technical Speciﬁcations:

Height 13in.(33.0cm)

Length 13in.(33.0cm)

Width 12in.(30.5cm)

Weight 19lb.(8.6kg)

Shippingweight 24.5lb.(9.5kg)

Power supply 12voltsDC

Powerconsumption 15amps.

SolutionMax.Volume 12oz.(355ml)

Supply pressure 13.0in.H

O(0.032bar)

Supplyvolume 12litersperminute

Smokesupplyline 10feet(3m)

Power supply line 10feet(3m)

Operatingtemp.range 45°Fto140°F(7.2°Cto60°C)

Altitude Upto6,561Ft(2,000M)

MaximumRelative

Humidity

80%forTemperaturesupto

140°F(60°C)

ConditionsofUse Indoor/Outdoor(ifnotwet)

PollutionDegree 2

UltraTraceUV®; the proper solution to use in

your SMT 300 Smoke MachineTester.

A common question asked is if one can use a basic

generic mineral oil, such as ‘baby oil’, in the tester to

create the smoke.

Youcanifyouwantto,butwedon’trecommendit.The

patentedUltraTraceUV®smokesolutionsuppliedwith

thistester;willperformhundredsofteststhatonly

costpenniespertest;istheonlysolutionintheworld

approvedbytheautomanufacturers;andwillnotvoid

anyvehiclefactorywarranties.Plus,youhavetheadded

benetofthetracedyethatmarkstheexactlocationof

aleak,increasingdiagnosticaccuracyunlikeanyother.

Thisspecialsolutionisnota“generic”mineraloil.In

fact,genericmineraloilsarenotintendedforthistype

industrialuse.Thegenericmineraloilsbreakdown,

asevidencedbyafoulodorandcoulddamagevehicle

components.

Robert Bosch LLC SMT 300 Operator Manual | Version 1 | January 2011

2 | Items Included | SMT 300 Operator Manual

Items Included with the SMT 300 Smoke Machine Tester

UltraTraceUV® (F00E900348)Thispatentedsolutionis

theonlyautomaker-approvedsmoke-producingsolution.

Thesolution’schemistrycontainsaspecialdyethat

depositsattheexactlocationofaleak.Eachbottle

willperformapproximately300fullcycletests.(12oz.

/355ml).SMT300isshippedwithtwo(2)bottles.

Replenishmentpart#F00E900348isone(1)bottle.

Cap Plugs Kit (F00E900349)Usefulwhensealingan

intakemanifoldsysteminordertocontainthesmokein

thesystemforproperleaktestingsuchas;massairow

sensorducting,etc.

Adapter Cone (F00E900350)Forintroducingsmokeinto

theexhaustsystemorintoanyoricethataccommodates

thecone’ssize,suchastheinductionsystem.

Smoke Diffuser (F00E900351)Designedtolocateleaks

arounddoors,windowssunroofsandtrunkcompartment.

Combination Light (F00E900352)Turnitonandit

deliversawhitelight,foreasiersmokelocation.Click

itagainanditdeliversanultraviolet(UV)lightthat

highlightstheuorescentdyedepositedattheexact

locationofaleak.Clickitathirdtimetoactivatethelaser

pointer.Kitincludeslight,amberglassesandbatteries.

Standard Size EVAP Service Port Fitting (F00E900353)

Schrader Removal / Installation Tool (F00E900354)

NOTE: Theseitemsareprovidedwithinaseparateaccessorystoragecaseandareavailableasreplacementitemsas

well.PleaseorderthenotedF00E900XXXpartnumber.TheaccessorycasereplacementisF00E900364.

SMT 300 Operator Manual | Version 1 | January 2011 Robert Bosch LLC

SMT 300 Operator Manual | Optional Accessories | 3

Inert Gas Pack (F00E900355)20oz.liquidCO

bottleand

regulatortouseinlieuofshopair.Providesthesafestway

totestEVAPsystemleakage.Fullylledbottleprovides

capacityfor25fullcycletests.RefertotheOperator

Manualforfulldetails.(CO

bottlearrivesempty).

100psi pre-set Nitrogen Regulator (F00E900365) For use

withlargernitrogenbottlesintheshop.Connectstothe

largebottlestandardoutlettting.Usewithcylinderhose

P/NF00E900366.

Nitrogen Regulator/Cylinder Hose (F00E900366)

Connects the SMT 300 inlet to the optional 100psi

NitrogenRegulatorP/NF00E900365.

SMT 300 Replacement Filter Kit (F00E900361)

ReplacementelementfortheSMT300internallter

system.ProtectstheSMT300fromworkshopair

contaminants.Yearlyreplacementisrecommended.

SMT 300 Universal Filler Neck Adapter (F00E900362)

AllowsdirectconnectoftheSMT300smokeoutputhose

tomostfueltankllernecks.Fueltankandperipheral

componenttestingisthusmadeeasier.

SMT 300 BMW-Mini Fuel Filler Neck Adapter

(F00E900363)Allowsdirect&specicconnectionofthe

SMT300smokeoutputhosetoBMWandMinifueltank

llernecks.Fueltankandperipheralcomponenttestingis

thusmadeeasier.

Air FittingTwoaresupplied.Theautomotivestyletting

isalreadyinstalledontheSMT300.Thesparettingis

anindustrialstylettingbutalsoapopularoneinauto

facilities.

Optional SMT 300 Accessories

Robert Bosch LLC SMT 300 Operator Manual | Version 1 | January 2011

4 | Setup | SMT 300 Operator Manual

1. Fill with Solution

PriortousingtheSMT300testerfor

thersttime;pourtheentirecontents

ofone12oz.(355ml)smokesolution

bottlesuppliedintothemachine.

Initial Setup/Prior to Turning the SMT 300 Smoke Machine Tester ‘ON’

WedonotrecommendintroducingasolutionintotheSMT300testerthatisnotrecommendedbythe

manufacturerbecauseitmaydamagethevehiclesbeingtestedandmayaffecttheirfactorywarranty.It

couldalsocauseharmtotheoperator!

2. Proper Air Fitting

Twocommonlyusedmaleairttingsaresuppliedwith

theSMT300tester.Besureoneofthesettingsisthe

correctttingforyourfemalehoseconnector.Otherwise

installcorrectttingontotheSMT300tester.UseTeon®

threadsealer.Donotover-tighten.

� AirinletpressuresuppliedtotheSMT300testercan

bebetween50and175PSI(3.4to12bar).

[Note:optimuminletpressureis90PSI/6.2bar]

AlwaysmaintainsolutionlevelatornearFULLmark.

AirFitting

Full

Low

SMT 300 Operator Manual | Version 1 | January 2011 Robert Bosch LLC

SMT 300 Operator Manual | Front View | 5

SMT 300 Smoke Machine Tester Front View

A. Smoke Solution Fill Port and Dipstick

B. Supply Hose w/ Delrin® Nozzle

Length: 10 ft. (3.16M)

C. Function Indicator Lights

D. ON | OFF Switch

E. Flow Control Knob

F. Pressure/Vacuum Decay Gauge

G. Flow Meter

A Smoke Solution Dipstick usedtollandmaintainpropersmokesolutionlevel.

B Smoke Supply Hose

C Function Indicator LightsgreenbatterylightturnsONwhenconnectedto12-VoltDCpower.

� Blinks1-persecondifpowersourceisinsufcient.

� RedON/OFFlightturnsONwhenyoupressthe<ON>button,indicatingsmokeproduction.

D ON | OFF Switch Pushtoturn<ON>smokeproductionfor5minutes.

E Flow Control Knob TESTdelivers‘non-smoke’air.SMOKE(fullopen)deliversfullvolumeofsmoke.Aposition

betweenSMOKEandFLOWCONTROLdeliversvaryingdegreesofsmokevolume.

F Pressure/Vacuum Decay Gauge usedtoverifyifthereisaleakinthesystem.TotestusingPressure-Decay;llthe

systembeingtested,withtheSMT300ineitherTESTorSMOKEsetting.Oncefull,turnSMT300OFF.Observethe

pressuregaugefordecay,whichwouldindicatealeak.TotestusingVacuum-Decay;besuretheSMT300isturned

OFF.PlaceaTeettingbetweentheSMT300supplylinenozzleandthesystembeingleaktested.Attachahand

vacuumpumptotheTeeanddrawvacuum.ObservetheSMT300vacuumgaugetobesureyoudonotdrawmore

vacuumthanthegaugeallows,oritwilldamagethegauge.Stopdrawingvacuumoncepropervacuumisachieved.

Observethegaugefordecay,whichwouldindicatealeak.

NOTE: Thepressure/vacuumdecaytestscannotdeterminethesizeoftheleak(s).Leaksizecanbedetermined

usingtheowmetertest,describedonpage8.

G Flow Meter indicatingowcouldindicatealeakinthesystembeingtested.Ifthemeterindicatesnoow,thenyou

knowthereisnothingowingthroughthesystembeingtested(orindicatesnoleak).

Do not runthevehicleenginewiththesupplyhose(itemB)connectedtothevehicle.Normalenginevacuum

willdamagethepressure/vacuumgauge.

Robert Bosch LLC SMT 300 Operator Manual | Version 1 | January 2011

6 | Rear View | SMT 300 Operator Manual

SMT 300 Smoke Machine Tester Rear View

H. Air / Inert Gas Fitting

I. 12-Volt DC Power Cables

Length: 10 ft. (3.16M)

J. Internal Filter Drain Port

H Workshop Air Fitting / Inert Gas Fitting connecttoshopairforgeneralpurposeleaktestingortoaninertgas,

suchasnitrogenorCO

,whentestingafuelevaporativesystem.

I. 12-Volt DC Power Cables connecttopositivebatteryterminalandchassisground.

J. Internal Filter Drain Portthistesterisequippedwithaninternalltersystemthatprotectsthetesterandvehicle

fromworkshopaircontaminants.

Occasionaluiddrainage,fromPort‘J’,isnormal.Excessivedrainageindicatesyourworkshopcompressor

requiresdrainingand/oraltersystemofitsown.Failuretokeepworkshopcompressordrycanresultin

contaminationoftheSMT300testerandvehiclebeingtested.

SAEINTERNATIONALpublishedpapersstronglyrecommendyouconnectthesmokemachinetoaninert

gas,suchasnitrogenorCO

,whentestingavehicle’sfuelvapor(EVAP)systemduetoitspotentially

explosivefumes.

SMT 300 Operator Manual | Version 1 | January 2011 Robert Bosch LLC

SMT 300 Operator Manual | Basic Testing Procedure | 7

Basic Testing Procedure

1. ConnecttheSMT300testertoworkshopair.

2. ConnecttheSMT300tester’sredpowercableto

vehicle’s12VoltDCbatterypositiveterminal.

� Batterymustbeingoodconditionandfullycharged!

3. ConnecttheSMT300tester’sblackcabletothe

vehicle’schassisground.DoNOTconnecttheblack

cabletobatterygroundbecauseasparkinthevicinity

ofthebatterycancauseanexplosion!(Figure 1)

4. Observethatthegreenpowerindicatorlampon

theSMT300testeris‘ON’conrmingthatyouare

properlyconnected.

� Ablinkinggreenpowerlampindicatesinsufcient

batterypowertothetester.

5. Connectsmokesupplyhosetosystembeingtested.

� FlowControlValvemustbeinfullOpen(+)position.

(Figure 2)

6. Press<ON>buttonandllsystemwithsmoke.

� Smokeproductionison5-minutetimer.

7. Usewhitelightsuppliedandlookforexitingsmokeor

useultravioletlightsuppliedtolookforuorescent

dyedepositatexactlocationofaleak.

� Thelongersmokeisallowedtoexitaleak,themore

uorescentdyewillbedepositedatleaklocations.

� Wheneverpossibleitisbestto‘purge’the‘non-smoke’

airoutofthesystembeingtestedinordertoquickly

llthesystemwithsmoke.

Optional Gas Source

Shown here using the optional portable Inert Gas Pack.

(PartNo.F00E900355)

ThisgaspackmakestheSMT300testerveryportable

andisalsoperfectforsaferEVAPtesting,sincethegas

suppliedisinert.One20oz.cylinderwillperformabout

25fullcycletestsandisinexpensivetorell.PleaseNote:

ThisInertGasPackisshippedwithanemptygascylinder

(forsafetyreasons).Priortousingforthersttime,the

cylindermustbelledwithliquidCO

.Contactalocal

rellingstationforliquidCO

.Suggestion:ForCO

contactalocalairtoolorsportinggoodsrellinglocation

(i.e.hardwarestore,sportinggoodsstore,orpaintball

supplyhouse)

Black to

chassis

ground

Figure1

Figure2

Robert Bosch LLC SMT 300 Operator Manual | Version 1 | January 2011

8 | Flow Meter Overview | SMT 300 Operator Manual

Flow Meter Overview

Flow

Aowmeterballindicatingowmeansthereisowgoing

into(orthrough)thesystembeingleak-tested.Thisis

normalwhilethesystembeingleaktestedisbeinglled.

� AnEVAPsystemwillusuallytakeabouttwominutesto

ll.

� Anindicationofthesystembeingfulliswhenthe

owmeterballstopsdescendingduringtheleak

test(orwhenthepressuregaugestopsincreasingin

pressure).

Iftheowmeterballdescendstothebottomoftheow

meter;thatindicatesthereisnoowthroughthesystem

beingtested,orthatthereisnoleakinthesystembeing

leaktested.

Iftheowmetercontinuestoindicateowafterthe

systemislled,thisindicatesaleak.Thehighertheball

isintheowmeter,thelargertheleaksize.

EVAP Leak Size Reference Points

Theowmeterhastwoleaksizereferencepointswhich

helpquantifytheleaksizeinthesystembeingleaktested.

The.020”(0.5mm)and.040”(1.0mm)referencepoints

areequivalenttoleaksofthosesizesintheEVAPsystem

beingtested.

Oncethesystemislled(eitherinTESTorSMOKE

setting)andtheowmeterballstopsdescending;

positiontheowmeter’sredagsothatitalignswiththe

leveloftheowmeterball.Comparetheleveloftheball

withthereferencepointsinordertodetermineaPASS/

FAIL.

AballreadingabovethereferencepointindicatesaFAIL.

AballreadingbelowthereferencepointindicatesaPASS.

NOTE:TheowmeterismostaccuratewhentheSMT

300controlvalveisinTEST(non-smoke)setting.

Remember:Alltestswiththistesterareperformedwiththevehicle’sengineturnedoff!

Leak Size

Reference

Points

Flow

Meter

Ball

SMT 300 Operator Manual | Version 1 | January 2011 Robert Bosch LLC

SMT 300 Operator Manual | EVAP Tech Tip | 9

EVAP Tech Tip

NOTE: TheowmeterisactiveinallsettingsoftheFlow

ControlValve.However,forthemostprecisequantifying

ofaleaksizeusetheTESTsettingineitherofthesetwo

methods:

A. FillsysteminTEST(nosmoke)settinguntilowmeter

ballstopsdescending.Positiontheowmeter’sred

agsothatitalignswiththeowmeterballposition

(asdescribedonpreviouspage).Compareowmeter

ballpositionwithowmeter’sLeakSizeReference

Points.Iftheleaksizeisunacceptable(above

referencepoint)andleaktestingisrequired;set

controlvalvetoSMOKEsetting,introducesmokeand

lookforsmokeordyetondtheleak(s).

B. Tosavetime;llsysteminSMOKEsetting(full

open).BesureTesterisstill<ON>andwhentheow

meterballstopsdescending,immediatelyposition

thecontrolvalvetoTESTandallowtheballtosettle

(TESTsettingwillgiveyouamoreaccurateowmeter

reading).Compareowmeterballpositionwithow

meter’sLeakSizeReferencePoints.

� Abovereferencepoint=FAIL.

� Below referencepoint=PASS.

Iftheleaksizeisunacceptableandleaktestingis

required,thentimewillhavebeensavedbecausethe

systemisalreadylledwithsmoke.Nowposition

thecontrolvalveagaintoSMOKEandcontinueto

introducesmokewhilelookingforsmokeordyeatleak

exitpoints.

NOTE: Whensmoketestingaclosedsystem,suchas

theEVAPsystem;itisbesttopurgethe‘non-smoke’

airoutofthesystembyleavinganopeninginthe

systembeinglledwithsmoke(e.g.EVAPvent).Close

thesystemoncesmokeexitsandcontinuetollwith

smoke.Thisquicklyllsthesystemwithsmoke.

Robert Bosch LLC SMT 300 Operator Manual | Version 1 | January 2011

10 | Control Valve Overview | SMT 300 Operator Manual

Control Valve Overview

TEST (non-smoke)settingdeliversnon-smokeairandthe

mostaccurateowmeterreading.Thisistheperfect

settingwhenyouwantthemostaccurateleaksize

readingwhentestingtheEVAPsystem.

Thissettingcanalsobeusedwhentestingmanysystems,

suchasasolenoidfunction,whensmokeisnotneeded.

Testthesolenoidwhileactivatingitopenandclosed.

Closingthesolenoidshouldmaketheowmeterball

droptothebottom.Aowmeterindicatingow,while

thesolenoidisclosed,conrmsaleakinthesolenoid.

SMOKE (fullopen)settingdeliversmaximumsmoke

volumetothesystembeingleaktested.

FLOW CONTROL controlssmokevolume.Locatingthe

leaksourceissometimeseveneasierwithlesssmoke

volumeexitingaleak.Afterllingasystemwithsmoke

intheSMOKE(fullopen)setting,usethesmokevolume

controlknobtotuneinthedesiredvolumeofsmoke

exitingaleak.

NOTE: FlowControldoesnotaffectdeliverypressure;it

onlyaffectssmokeowvolume.

SMT 300 Operator Manual | Version 1 | January 2011 Robert Bosch LLC

SMT 300 Operator Manual | Sample Leak Detections | 11

Sample Leak Detection Applications

Thisleakdetectorcanbeusedinvirtuallyanyvehiclelowpressuresystemsuspectedofhavingaleak,suchas;EVAP

system,intake/inductionsystem,intercoolerandturbochargersystem,vacuumsystem,exhaustsystem,wind/water

leaksandcanalsobeusedtoverifyairsolenoidfunctionsandtestcomponentspriortoassembly.FordetailsonEVAP

testing,pleaserefertotheBoschtrainingmaterials(notincludedwiththismanual).

Intake/Induction Leaks

Exhaust Leaks

Robert Bosch LLC SMT 300 Operator Manual | Version 1 | January 2011

12 | Sample Leak Detections | SMT 300 Operator Manual

Wind and Water leaks

1. Setvehicle’sclimatecontrolto‘freshair’andset

bloweronfullspeed.

� Thiscreatespositivecabinpressure.

2. ConnecttheSMT300tester’ssupplyhosenozzleto

SmokeDiffuser.

3. Laysmokepathalongseals.

4. Lookforsmokedisturbanceindicatingaleak.

� Noairdisturbancemeans‘NoLeak’.

Airdisturbancepinpointstheleak.

SMT 300 Operator Manual | Version 1 | January 2011 Robert Bosch LLC

SMT 300 Operator Manual | Sample Leak Detections | 13

Sample UV deposits

Thepatentedsmokevaporcontainsaspecialultraviolet-

activateduorescentdyethatgetsdepositedattheexact

locationofaleak.UsetheUVlightprovidedtohighlight

thedye.

� Thistechnologyisdesignedsothatthedyewill

onlydepositifthereispressure-differential.Sofor

instance,thedyewilldepositwhenexitingaleakbut

willnotdepositduringthewindandwatertest.

� Thelongerthesmokeisallowedtoexitaleak,the

moredyewillbedeposited.

Robert Bosch LLC SMT 300 Operator Manual | Version 1 | January 2011

14 | Troubleshooting | SMT 300 Operator Manual

Troubleshooting Guide

Green Red Interval Cause

✔

ConstantON Goodbatterypower.

✔

Blinks:1-persecond Insufcientbatterypower.

✔ ✔

Blinkssimultaneously:1-persecond Badgroundatsmokecanisterorcircuitboard;

orpowerconnectionatbatteryisloose;or

shortinheatingcircuit.

✔ ✔

Blinkssimultaneously:4-persecond Badgroundatsmokecanisterorcircuitboard;

oropenheatingcircuit.

✔ ✔

Blinksalternately:1-persecond

(Systemwillshutdown.Powermustbe

disconnected/connected.)

Badgroundatsmokecanisterorcircuitboard;

orcircuitboardfailure.*

* Ifcircuitboardfailureoccurs,rsttrydisconnectingpowertotheSMT300testerfor10secondsandreconnect.Iffailurecode

occursasecondtime,disconnecttheSMT300testerandcontactthemanufacturer.

Symptom Likely Cause Solution

1. Thegreenpowerindicator

lampontheSMT300tester

doesnotturnON.

1. Thepowercablesarereversed.

2. Poorpower-supplycableconnection.

3. Batteryprovidingpoweristooweak.

1. Correctlypositionthepowercables.

2. Securetheconnectionatthepositive

terminalandchassisground.

3. Verifythebatteryisingoodcondition

andfullycharged.

2. IturntheSMT300tester

ONbutthereisnoairor

smokecomingoutofthe

supplyhose.

1. Poorpower-supplycableconnection.

2. Batteryprovidingpoweristooweak.

3. Airsupplytotesterisinsufcient.

1. Securetheconnectionatthepositive

terminalandchassisground.

2. Verifythebatteryisingoodcondition

andfullycharged.

3. Besureair/nitrogensupplyis

sufcient.

2. Verylittlesmokecoming

outofthesmokehoseor

thereisoildrippingfrom

thesmokehose.

1. Thereistoomuchsmoke

condensationinsidethesmoke

supplyhose.

�ThesmokevaporfromtheSMT

300isverydenseanditisnormal

ifattimesitcondensesinside

thehose.Thisusuallydoesnot

indicateaproblem.

1. Positionthehoselowerthanthe

Tester.SetcontrolvalvetoTESTand

turnTester<ON>foronecycle,oruntil

oilhasdrainedfromhose.

SMT 300 Technical Service Line

(866)670-7734

MondaythruFriday

8:00amto4:00pmPST(PacicTime)

SMT 300 Operator Manual | Version 1 | January 2011 Robert Bosch LLC

SMT 300 Operator Manual | Warranty | 15

SMT 300 Warranty

LIMITEDONE(1)YEARWARRANTY

OriginalPurchaserWarranty:undernormaluse,careandservice,theSMT300(exceptas

otherwiseprovidedherein)shallbefreefromdefectsinmaterialandworkmanshipforONE(1)

YEARfromthedateoforiginalinvoice.

Seller’sobligationsunderthiswarrantyarelimitedsolelytotherepairor,atSeller’soption,

replacementoforrefundoftheoriginalpurchasepricefor,SMT300orpartswhichtoSeller’s

satisfactionaredeterminedtobedefectiveandwhicharenecessary,inSeller’sjudgment,to

returntheequipmenttogoodoperatingcondition.

RepairsorreplacementsqualifyingunderthisWarrantywillbeperformedormadeonregular

businessdaysduringSeller’snormalworkinghourswithinareasonabletimefollowingBuyer’s

request.Allrequestsforwarrantyservicemustbemadeduringthestatedwarrantyperiod.

Robert Bosch LLC SMT 300 Operator Manual | Version 1 | January 2011

16 | Notes | SMT 300 Operator Manual

SMT 300 Operator Manual | Version 1 | January 2011 Robert Bosch LLC

SMT 300 Operator Manual | Notes | 17

Robert Bosch LLC

AutomotiveAftermarketDivision

DiagnosticsBusinessUnit

2040AlamedaPadreSerra,Ste220

SantaBarbara,CA93103

TollFree:800-321-4889

Fax:805-966-9540

www.boschdiagnostics.com

BOSCH is a trademark licensed by Robert Bosch GmbH and/or its affiliated entities.

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