American Dryer Corp. UD-80 Owner's Manual

iTO THE OWNER This Owner’s Manual has been prepared to provide you with important oper-ation, maintenance and safety information relating to your UD T

1 - 3INTRODUCTION AND SAFETYNOTE: When leaving the car, be sureto remove the key and lock thedoors. This will prevent theft.FUELYour UD Trucks vehicl

7 - 47INSTRUMENTS AND CONTROLSParking brake warning lightThe warning light comes on whenthe parking brake valve is engaged.The light also comes on whe

7 - 48INSTRUMENTS AND CONTROLS<Brake fluid level (Not applicable to UD3300)>When the fluid level in the brake fluidreservoir drops below the nor

7 - 49INSTRUMENTS AND CONTROLSan authorized UD Trucks dealer orother qualified service facility.ATM shift limit warning light(Allison 1000, 2200 and 2

7 - 50INSTRUMENTS AND CONTROLSthe system from major troubles.The SHIFT LIMIT warning lightand the ATM SYSTEM warninglight illuminate and transmission

7 - 51INSTRUMENTS AND CONTROLSTurn signal and hazard indicator lightWhen the turn signal switch is oper-ated, the left or right indicator lightflashes

7 - 52INSTRUMENTS AND CONTROLSHigh beam indicator lightThis indicator light comes on whenthe dimmer switch is set to the highbeam position with the li

7 - 53INSTRUMENTS AND CONTROLSAllison 3000 seriesAllison 3000 seriesSWITCHES AND BUTTONSEngine throttle control knobThe engine throttle control knob,l

7 - 54INSTRUMENTS AND CONTROLSThe manual adjustment of engine idling speed Stop the vehicle and apply theparking brake before performingmanual adjust

7 - 55INSTRUMENTS AND CONTROLSNOTE: Even if the engine warm-upswitch is ON, the engine warm-up system will cancel it if thevehicle is being driven, t

7 - 56INSTRUMENTS AND CONTROLS Operating the wipers when thewiper blades are stuck or frozen tothe glass will cause the wiper stopfunction to operate

1 - 4INTRODUCTION AND SAFETYABBREVIATIONIn this manual, the following abbrevi-ations are used. ATM: Automatic transmissionCAN: Controller Area Network

7 - 57INSTRUMENTS AND CONTROLSlever is in the ON position and theexhaust brake is operating.The exhaust brake is activated onlywhen both clutch and ac

7 - 58INSTRUMENTS AND CONTROLS* The daytime running lights comeson when: The ignition key is turned ON. The headlight is turned off (withthe lightin

7 - 59INSTRUMENTS AND CONTROLSTo change the headlights to highbeam, push the turn lever forward.To return the headlights to low beampull the lever to

7 - 60INSTRUMENTS AND CONTROLSCruise Control operation instruc-tionsTo set Cruise Control to preferred constant speed1.Make sure the exhaust brakeswit

7 - 61INSTRUMENTS AND CONTROLS4.Remove your foot from the accel-erator pedal.To temporarily accelerateAccelerate by depressing the accel-erator pedal.

7 - 62INSTRUMENTS AND CONTROLS<Set and Coast operation> Press and hold the Set and CoastButton until the preferred speed isreached, and then re

7 - 63INSTRUMENTS AND CONTROLSTo resume the speed that was set before cancellationWhen Cruise Control has been tem-porarily cancelled, pressing andrel

7 - 64INSTRUMENTS AND CONTROLSIllumination control rheostat The illumination in the combinationmeter turns on when the lightingswitch is in the 1st o

7 - 65INSTRUMENTS AND CONTROLSPower mode switch (ATMspecification vehicles)Allison 1000, 2200, 2500 seriesAllison 3000 seriesThis switch is located on

7 - 66INSTRUMENTS AND CONTROLSAir suspension dump switch<UD2600 and UD3300 equipped with air suspension>This switch is located at the rightside

2 - 1IDENTIFICATIONIDENTIFICATIONVEHICLE IDENTIFICATION NUMBER (VIN)The vehicle identification number(VIN) plate is located on the riser ofthe driver’

7 - 67INSTRUMENTS AND CONTROLSMirror heater switch (Optional)This switch is located at the rightside of the steering column.By turning on the mirror h

7 - 68INSTRUMENTS AND CONTROLSPower mirror switch (Optional)This switch is located on the instru-ment panel below the heater control.This switch is us

7 - 69INSTRUMENTS AND CONTROLSDPF SYSTEM The PM reduction device collectsthe soot (particulate matter) that ispart of exhaust gas through theaftertre

7 - 70INSTRUMENTS AND CONTROLSDevice informationManual forced regeneration switchDPF clogging warning light The DPF clogging warning lightwill blink

7 - 71INSTRUMENTS AND CONTROLSregeneration by operating the man-ual forced regeneration switch.Manual forced regeneration switch By operating this sw

7 - 72INSTRUMENTS AND CONTROLSManual regeneration (when the DPF clogging warning light blinks) If the vehicle is driven at a lowspeed or the engine i

7 - 73INSTRUMENTS AND CONTROLS5.When the warning of DPF regener-ation by the exhaust gas cleaningdevice is no longer displayed onthe multi-display mon

7 - 74INSTRUMENTS AND CONTROLSNOTE: The engine speed at idleincreases while manual DPFregeneration is being per-formed. This is due to a temper-ature

7 - 75INSTRUMENTS AND CONTROLS When the amber DPF systemwarning appears, contact yournearest UD Trucks dealer forinspection. While the amber DPF sys

7 - 76INSTRUMENTS AND CONTROLSAutomatic transmission selector lever (switch)Allison 1000, 2200 and 2500 seriesAllison 3000 seriesThe selector lever (s

2 - 2IDENTIFICATIONUNIT IDENTIFICATIONThe locations of the stamped chas-sis serial number, engine serial num-ber, and each assembly and serialnumber o

7 - 77INSTRUMENTS AND CONTROLS WARNING Never apply the parking brakewhen the vehicle is moving.Such application will lock therear wheels and may resu

8 - 1ACCESSORIESACCESSORIESCigarette lighterThe cigarette lighter is located at theright side of the heater control. Tooperate the lighter, push it in

8 - 2ACCESSORIESPower socketThe power socket is located at theright side of the cigarette lighter.Use the power socket in the cab toconnect commercial

8 - 3ACCESSORIESOverhead boxStore only lightweight items, such asthe vehicle inspection certificate andmagazines, in the large box with thelid.Cup hol

8 - 4ACCESSORIESRoom light  Turning on the room light switchto ON turns on the room lightregardless of whether or not adoor is open or closed. The r

8 - 5ACCESSORIESDoor pocketDoor pockets are located in the leftand right doors. Place road maps,magazines, etc. inside it.Console box (optional)When t

9 - 1HEATER OR AIR CONDITIONER CONTROLHEATER OR AIR CONDITIONER CONTROLAIR CONDITIONERAir vent Use the air conditioner when theengine is running. Th

9 - 2HEATER OR AIR CONDITIONER CONTROLManual air conditionerChange the switch and dial selections to match the season to make your driving pleasant.Op

9 - 3HEATER OR AIR CONDITIONER CONTROLName Position Purpose and FunctionDialFan dialOFFTo stop fan operation: This stops the air from the fan and the

2 - 3IDENTIFICATIONEngine serial number locationTransmission assembly and serial number locationMTM (MLS63)MTM (MPS63)ATM (Allison 1000, 2200, 2500)AT

9 - 4HEATER OR AIR CONDITIONER CONTROLNOTE: Do not operate the dials or switches while driving.SwitchAir conditioner switchThe light turns on/off eac

9 - 5HEATER OR AIR CONDITIONER CONTROLHeating Moving the mode dial to the Footposition will blow warm air on thefeet. The temperature control dial i

9 - 6HEATER OR AIR CONDITIONER CONTROLWhen resting in the seatUse the heater as instructed below when idling the engine to heat the cab during cold we

9 - 7HEATER OR AIR CONDITIONER CONTROLNOTE: The heater utilizes heat from the engine coolant. While idling, the engine coolant temperature gauge may

9 - 8HEATER OR AIR CONDITIONER CONTROLVent & Foot (Cool head, warm feet) Moving the mode dial to the Vent &Foot eliminates the discomfortcaus

9 - 9HEATER OR AIR CONDITIONER CONTROLCooling and dehumidifying Cooling and dehumidifying can bedone by pushing the air condi-tioner switch. The tem

10 - 1VEHICLE OPERATIONVEHICLEOPERATIONOPERATING PRECAUTIONSFollowing a few precautions will helplengthen the life and reliability ofyour vehicle. Af

10 - 2VEHICLE OPERATIONBREAK-IN PRECAUTIONSDuring the initial 600 miles (1,000km) of operation:  Observe the “OPERATING PRE-CAUTIONS” section above.

10 - 3VEHICLE OPERATIONTOWING TRAILERSTrailer brakesElectric brakes and manual, auto-matic or surge-type trailer brakes aresafe if installed properly

10 - 4VEHICLE OPERATION When turning, make wide turns toallow trailer tires to properly clearany obstacles. Be prepared for trailer sway due tobuffe

2 - 4IDENTIFICATIONUD2300DHUD2600 and UD3300Rear axle assembly and serial number locationFront axle assembly and serial number location

10 - 5VEHICLE OPERATIONCold weather conditions (Vehicle with intake air heater system: If so equipped):1.When the engine coolant tempera-ture is low,

10 - 6VEHICLE OPERATION Do not keep the starter engagedfor more than 15 seconds at atime.3.When the engine starts, make surethe gearshift lever is st

10 - 7VEHICLE OPERATIONWARMING UP ENGINETo avoid shortening engine life,engine warm-up is necessary. Thewarm up is performed by adjustingthe engine th

10 - 8VEHICLE OPERATION The standard idling speed is 550rpm. Warm-up has been completedwhen the idling speed drops.The manual adjustment of engine i

10 - 9VEHICLE OPERATIONNOTE: For information regarding pre-cautions when using thewarm-up switch, refer to the"Engine warm-up switch" onpag

10 - 10VEHICLE OPERATIONDRIVING ON GRADES1.When driving up a grade, operatethe vehicle in a lower transmissiongear at the engine speed (about1,400 rpm

10 - 11VEHICLE OPERATIONDRIVING IN DIFFICULT CONDITIONS1.Ice, snow, loose sand, mud or wetsurfaces present hazardous driv-ing conditions. Tire tractio

10 - 12VEHICLE OPERATION WARNINGTo avoid engine and clutch fail-ure which may result in seriousinjury:  Do not operate your vehiclewith a worn or dam

10 - 13VEHICLE OPERATIONDouble-clutch operationUse the following double-clutch technique when shifting: 1.Fully depress the clutch pedal todisengage t

10 - 14VEHICLE OPERATIONOPERATING WITH AUTOMATIC TRANSMISSIONYour UD trucks vehicle may beequipped with an optional automatictransmission. The automat

3 - 1BEFORE DRIVING YOUR VEHICLEBEFORE DRIVING YOUR VEHICLE WARNINGBe sure this vehicle includes required safety features. This vehiclemay be put to m

10 - 15VEHICLE OPERATIONstarted when the shift lever is inthe P (Park) or N (Neutral) posi-tion. When shifting from Park to anyother range, depress t

10 - 16VEHICLE OPERATION(3): Third Range — This position is used when enginebraking is needed while the vehicleis descending a slope. Shiftingbetween

10 - 17VEHICLE OPERATION<Operating with automatic transmission>Check before engine start Always use the right foot to oper-ate the accelerator

10 - 18VEHICLE OPERATIONleft engaged in the N position forabout 5 minutes even after shiftingthe selector lever for the secondtime, it cannot be shift

10 - 19VEHICLE OPERATIONdepressed, press the shift lockrelease button. While pressing thebutton, the selector lever can beshifted.NOTE: If this situa

10 - 20VEHICLE OPERATIONNOTE: When the vehicle is in motion,attempting to shift to the P(Park) range may produce only aclicking sound without actuall

10 - 21VEHICLE OPERATIONUsing the engine to slow the vehicleTo use the engine as a braking force,shift the selector to the next lowerrange. If the veh

10 - 22VEHICLE OPERATIONConverter driven PTO <PTO configuration>The PTO is mounted on the left and/or right side of the transmissionhousing. The

10 - 23VEHICLE OPERATION Turn the PTO switch on. Set the engine speed at idle. Place shift selector lever in D(Drive). Shift the PTO power shift c

10 - 24VEHICLE OPERATIONdependent upon the transmissiongear selection. If the transmission is in D (Drive)or R (Reverse), the PTO outputspeed is zero

3 - 2BEFORE DRIVING YOUR VEHICLEOVERLOADING WARNINGModel Tire GVWR GAWR-Front GAWR-RearNever load your vehicle inexcess of the Gross VehicleWeight Rat

10 - 25VEHICLE OPERATION Relationship between switch operation and digital display Range operationDigital displayAutomatic transmis-sion rangeSelectio

10 - 26VEHICLE OPERATION(R): Reverse Position — This position is used when movingthe vehicle backwards. Thebackup light comes on and theback buzzer s

10 - 27VEHICLE OPERATION Do not make shifts from N(Neutral) to a forward range orfrom N (Neutral) to R (Reverse)to avoid sudden movement ofthe vehicl

10 - 28VEHICLE OPERATIONNOTE: You must first stop the vehiclebefore shifting from a forwardgear to Reverse, or fromReverse to a forward gear. The ma

10 - 29VEHICLE OPERATIONNOTE: After the engine is started, warmup the engine. When the fluidtemperature is low during win-tertime, only “N”, “R” and

10 - 30VEHICLE OPERATIONSHIFT LIMIT warning messageThe selector digital display, LH(selection range) character (can be“R”, “6”, “5”, “4”, “3”, “2” or

10 - 31VEHICLE OPERATION4.Apply the emergency brake and/orparking brake, if present, andmake sure it is properly engaged.5.Slowly release the service

10 - 32VEHICLE OPERATIONregardless of what transmission youhave. If possible, reduce your speedand select a lower range before youlose traction. Selec

10 - 33VEHICLE OPERATIONBRAKE OPERATIONUD1800 thru UD2600 equipped withair-over-hydraulic service brakesand spring-activated rear wheelparking brakes.

10 - 34VEHICLE OPERATION(ABS) Anti-lock Brake System The ABS, when it activates, properlycontrols the slippage of wheels andeffectively utilizes frict

3 - 3BEFORE DRIVING YOUR VEHICLETOWING TRAILERSDefinitions:GAWR (Gross Axle Weight Rating) — is the maximumallowable weight that can be carried by a s

10 - 35VEHICLE OPERATIONParking brake <Spring-activated rear wheel park-ing brake>The rear axle brake shoes aremechanically actuated by a spring

10 - 36VEHICLE OPERATIONTo park the vehicle1.Shift the transmission to the neu-tral position (Manual transmission)or P (Park) or N (Neutral) position(

10 - 37VEHICLE OPERATIONengine impossible. At the end ofeach daily operation, drain waterfrom the fuel filter. Always fill the fuel tank up to itsspe

10 - 38VEHICLE OPERATIONCold Weather Operation of Allison Automatic TransmissionThe following chart is the minimumfluid temperature at which the trans

10 - 39VEHICLE OPERATION<Entry Condition>The idle shutdown function starts thetimer to stop the engine if followingall conditions are fulfilled.

11 - 1VEHICLE SERVICE AND MAINTENANCEVEHICLE SERVICE AND MAINTENANCECLEAN AIR ACTHeavy-duty engine rebuilding practices.§ 86.004-40The provisions of t

11 - 2VEHICLE SERVICE AND MAINTENANCEwithout diagnosing and respondingappropriately to the DTCs, regard-less of whether the systems areinstalled to sa

11 - 3VEHICLE SERVICE AND MAINTENANCEMAINTENANCE INTERVALSNOTE: It is the owner’s responsibility to see that the vehicle receives proper care and mai

11 - 4VEHICLE SERVICE AND MAINTENANCEEngineNOTE: 1. Non-UDXtra engine oil details refer to page 11-31.ItemsFirst EveryMonths(every)Reference pageMile

11 - 5VEHICLE SERVICE AND MAINTENANCEEngine (Cont’d)ItemsFirst EveryMonths(every)Reference pageMiles x 1,000 3 6 9 10121518202430365072Kilometers x1,0

3 - 4BEFORE DRIVING YOUR VEHICLEThe following chart indicates the allowable GCWR for your UD Trucks vehicle based on the specific transmissionmodel an

11 - 6VEHICLE SERVICE AND MAINTENANCEEngine (Cont’d)ItemsFirst EveryMonths(every)Reference pageMiles x 1,000 3 6 9 10 12 15 18 20 24 30 36 50 72Kilome

11 - 7VEHICLE SERVICE AND MAINTENANCEChassisItemsFirst EveryReference pageMiles x 1,000 3 6 9 10121518202430365072Kilometers x1,0005 10151620253032404

11 - 8VEHICLE SERVICE AND MAINTENANCEChassis (Cont’d)NOTE: 1. If the mileage is 2,500 miles (4,000 km) or less in 6 months just before the 6 month in

11 - 9VEHICLE SERVICE AND MAINTENANCEChassis (Cont’d)NOTE: 1. During periods of severe service operation or frequent stop-and-go operation, more freq

11 - 10VEHICLE SERVICE AND MAINTENANCEChassis (Cont’d)NOTE: 1. During periods of severe service operation or stop-and-go high volume operation, more

11 - 11VEHICLE SERVICE AND MAINTENANCEChassis (Cont’d)ItemsFirst EveryReference pageMiles x 1,000 3 6 9 10121518202430365072Kilometers x1,0005 1015162

11 - 12VEHICLE SERVICE AND MAINTENANCEAutomatic transmission maintenance scheduleChange the automatic transmission fluid and filter at the intervals s

11 - 13VEHICLE SERVICE AND MAINTENANCE#2 FILTER LIFE MONITORThe ATM maintenance indicator will flash beginning with the first TCM initialization after

11 - 14VEHICLE SERVICE AND MAINTENANCEUD2600 and UD3300 (Allison 3000 series) TRANSMISSION HEALTH MONITOR (TM)This prognostic feature determines clutc

11 - 15VEHICLE SERVICE AND MAINTENANCECLUTCH MAINTENANCE NOTIFICATIONThe TM determines when clutch maintenance is needed. If any of the clutches (exce

iiCLEAN IDLE CERTIFIED LABEL FOR U.S.Make sure that the following cleanengine idling certified label is affixedto the left side of the corner backoute

3 - 5BEFORE DRIVING YOUR VEHICLE*Consult your authorized UD Trucks dealer for information on “Rear Axle Ratio”.**GCWR rating limitations, as directed

11 - 16VEHICLE SERVICE AND MAINTENANCEGREASE LUBRICATION POINTSRecommended lubricants (Chassis grease)Lubrication point No. of points Lubrication poin

11 - 17VEHICLE SERVICE AND MAINTENANCEUD2300UD2600: Lubricate with a grease gun.: Apply grease manually with a stick. Do not apply with finger or hand

11 - 18VEHICLE SERVICE AND MAINTENANCEUD3300UD3300

11 - 19VEHICLE SERVICE AND MAINTENANCEBEFORE PERFORMING MAINTENANCEUse care when inspecting, servicingor repairing the vehicle. Heed thewarnings and f

11 - 20VEHICLE SERVICE AND MAINTENANCECABOpening and closing the front lidOpening the front lid1.Pull the lever located near theunderside of the left

11 - 21VEHICLE SERVICE AND MAINTENANCEClosing the front lid1.Put away the rod.2.Lower the front lid slowly.3.Push down the front lid until itclicks in

11 - 22VEHICLE SERVICE AND MAINTENANCETilting the cab1.Remove the lock pin from the tiltlock lever.2.Pull the tilt lock lever out all theway. This rel

11 - 23VEHICLE SERVICE AND MAINTENANCENOTE: Cover the air cleaner opening toprevent dust or rainwater fromentering when leaving the cabtilted for a l

11 - 24VEHICLE SERVICE AND MAINTENANCEthe cab firmly engages the mainhook pin, located at the center ofthe cab mounting bracket. 6.Replace the lock pi

11 - 25VEHICLE SERVICE AND MAINTENANCEinstructions in the “INSTRUMENTSAND CONTROLS” of this manual.Checking engine coolant levelOpen the front lid.Che

3 - 6BEFORE DRIVING YOUR VEHICLESAFETY REMINDERSFor your safety and that of others,observe the following precautions: Never drive while under the inf

11 - 26VEHICLE SERVICE AND MAINTENANCE(500,000 km). After the serviceperiod, clean the cooling sys-tem completely and replace thecoolant. When the en

11 - 27VEHICLE SERVICE AND MAINTENANCEClean charge air cooler bodyThe charge air cooler is used to coolthe overheated intake air charged bythe turboch

11 - 28VEHICLE SERVICE AND MAINTENANCEChanging coolantEvery 4 years or 320,000 miles(500,000 km) the UDXtra Long LifeDiesel Engine Antifreeze/Coolant

11 - 29VEHICLE SERVICE AND MAINTENANCEUnless the cooling system is treatedwith corrosion preventive, rust andscale will eventually clog up pas-sages i

11 - 30VEHICLE SERVICE AND MAINTENANCEAllison 3000 series specification vehicles3.Open the radiator drain cock andthe cylinder block drain cock.NOTE:

11 - 31VEHICLE SERVICE AND MAINTENANCEThen properly close the radiatorfiller cap and the reservoir tankcap.2.Operate the engine at a slightlyhigher th

11 - 32VEHICLE SERVICE AND MAINTENANCEvided maximum engine life whenused together with the recom-mended oil and oil filter change inter-vals.UDXtra (o

11 - 33VEHICLE SERVICE AND MAINTENANCEPeriodic service interval*Non-UDXtra engine oil refer to page11-31.Type of operationType 11.Unpaved road2.Dusty

11 - 34VEHICLE SERVICE AND MAINTENANCEmarks on the engine oil levelgauge.3.If oil level is low, add engine oil ofthe proper viscosity for the antici-p

11 - 35VEHICLE SERVICE AND MAINTENANCEEngine oil capacityThe engine oil change interval varieswith the type of engine oil used andvehicle driving cond

3 - 7BEFORE DRIVING YOUR VEHICLE Check that seat belts are intact,undamaged and properly adjusted. Check that head restraints areintact and properly

11 - 36VEHICLE SERVICE AND MAINTENANCEOil filterNOTE: Use genuine UD Trucks filter orequivalent in quality and design.Use of an inferior filter could

11 - 37VEHICLE SERVICE AND MAINTENANCE7.Stop the engine and wait at least10 minutes.Recheck the level and fill to theMAX mark if necessary. Wipe any

11 - 38VEHICLE SERVICE AND MAINTENANCE3.Allow all the water to drain fromthe tank. 4.When fuel begins to drain from thetank, replace the drain plug.Ti

11 - 39VEHICLE SERVICE AND MAINTENANCEKeep fuel clean and prevent water from entering the fuel system.Feeding clean fuel to the enginedepends both upo

11 - 40VEHICLE SERVICE AND MAINTENANCEfilter is required as shown in"Engine"on page 11-4.If you are not certain concerning theproper interva

11 - 41VEHICLE SERVICE AND MAINTENANCE4.Install a new o-ring for the caselubricating it with clean diesel fuel.5.After putting a new element intothe c

11 - 42VEHICLE SERVICE AND MAINTENANCETo replace the fuel filter1.Clean outside the filter not to getdust into the filter at the disassem-bly. Prepare

11 - 43VEHICLE SERVICE AND MAINTENANCEPurging air from fuel systemIf air gets into the fuel system, it willcause inconsistent fuel injection andpossib

11 - 44VEHICLE SERVICE AND MAINTENANCEAIR CLEANER ELEMENTTo inspect the air cleaner service indicatorThe air cleaner service indicator isinstalled nea

11 - 45VEHICLE SERVICE AND MAINTENANCE3.Clean the cover and inside of thecase with a clean, dry cloth.4.Clean the vacuator valve. Be sureit is not bro

3 - 8BEFORE DRIVING YOUR VEHICLE(Cont’d)Items Check pointsReference page Fuel quantityCheck the amount of fuel using the fuel gauge. It is advisable

11 - 46VEHICLE SERVICE AND MAINTENANCEDRIVE BELTEngage the parking brake securely.Visually check the drive belt daily forcracks and damage. If a belt

11 - 47VEHICLE SERVICE AND MAINTENANCEAir conditioner belt tensionTo adjust belt tensionAir conditioner belt:1.Loosen the lock nut A of the idlerpulle

11 - 48VEHICLE SERVICE AND MAINTENANCEIf the indicator (raised line) is out ofstretched belt indicator, or if the beltis damaged, replace the belt wit

11 - 49VEHICLE SERVICE AND MAINTENANCE To prevent dirt getting into theDEF system, clean the DEF linesand the DEF tank before remov-ing them. Always

11 - 50VEHICLE SERVICE AND MAINTENANCE8.Apply a thin film of engine oil to theo-ring on the new equalizing ele-ment.Install the new equalizing element

11 - 51VEHICLE SERVICE AND MAINTENANCEsecurely until it is raised andstopped.NOTE: Since blow-by gas, which isreduced after intake, includes atrace o

11 - 52VEHICLE SERVICE AND MAINTENANCE2.After checking the oil level, replacethe filler plug gasket with a newone. 3.Reinsert the plug and tighten the

11 - 53VEHICLE SERVICE AND MAINTENANCE<COLD CHECK>NOTE: The purpose of the cold check isto determine if the transmissionhas enough fluid to be

11 - 54VEHICLE SERVICE AND MAINTENANCETo check the automatic transmis-sion fluid level (Allison 3000 series)Inspection with the fluid dipstick Check

11 - 55VEHICLE SERVICE AND MAINTENANCE Inspection with the electronic fluid level sensor Warm up the engine, drive thevehicle for about 10 to 15 minu

3 - 9BEFORE DRIVING YOUR VEHICLE(Cont’d)Items Check pointsReference page Draining water condensa-tion from air reservoirOpen the drain cocks and drai

11 - 56VEHICLE SERVICE AND MAINTENANCE If the measuring conditions havenot been satisfied, “O L” “ －－ ” “E L” are displayed by two lettersin sequence

11 - 57VEHICLE SERVICE AND MAINTENANCE2.After draining, replace the gasketof the drain plug with a new one.Reinsert the plug and tighten theplug.Tight

11 - 58VEHICLE SERVICE AND MAINTENANCE2.Remove the drain plug from the oilpan and allow the fluid to drain intoa suitable container.3.Using a filter w

11 - 59VEHICLE SERVICE AND MAINTENANCETightening torque:37.6 to 45.0 ft·lbf (51 to 61 N·m)(5.2 to 6.2 kgf·m)5.After replacement, be sure to refillflui

11 - 60VEHICLE SERVICE AND MAINTENANCEOil change1.Place a container under the differ-ential drain plug. Remove the drainplug and drain the oil complet

11 - 61VEHICLE SERVICE AND MAINTENANCESteering fluid levelIf the steering fluid is low or contami-nated, the power steering may notoperate normally wh

11 - 62VEHICLE SERVICE AND MAINTENANCESteering fluid and filter changeHave the steering fluid and filterchanged by an authorized UDTrucks dealer or ot

11 - 63VEHICLE SERVICE AND MAINTENANCEBrake fluid changeHave the brake fluid changed by anauthorized UD Trucks dealer orother qualified brake system r

11 - 64VEHICLE SERVICE AND MAINTENANCEAir dryerVisually check to be sure that waterdrains from the drain port of the airdryer. Water will drain when t

11 - 65VEHICLE SERVICE AND MAINTENANCECLUTCHClutch pedal free playTo check clutch pedal free play,depress the clutch pedal by handuntil resistance is

3 - 10BEFORE DRIVING YOUR VEHICLE(Cont’d)Items Check pointsReference page Mirror and front windshieldCheck mirrors for proper angle of view, damage a

11 - 66VEHICLE SERVICE AND MAINTENANCEMPS634.Tighten the lock nut.5.Reinstall the return spring.6.Check clutch disc wear with thewear indicator instal

11 - 67VEHICLE SERVICE AND MAINTENANCEChanging clutch fluidHave the clutch fluid changed by anauthorized UD Trucks dealer orother qualified brake syst

11 - 68VEHICLE SERVICE AND MAINTENANCEAir springCheck the air bellows for damage,air leakage, looseness and levelingvalve for proper functioning.Perio

11 - 69VEHICLE SERVICE AND MAINTENANCEOUTSIDE MIRRORSCheck the outside mirrors daily fordamage, position and visibility. Alsocheck that the mirror mou

11 - 70VEHICLE SERVICE AND MAINTENANCEEMISSIONS CONTROL SYSTEMSTo maintain efficient emissions con-trol systems operation, have theemission control sy

11 - 71VEHICLE SERVICE AND MAINTENANCEDPF ash level gauge The DPF ash level gauge indicatesthe accumulation level of the ashin the filter. For detai

11 - 72VEHICLE SERVICE AND MAINTENANCEforced regeneration is per-formed once a year even if theDPF soot level indicates. Fordetails on the manual forc

11 - 73VEHICLE SERVICE AND MAINTENANCENOISE CONTROL SYSTEMTo assure noise control systemintegrity, the maintenance servicesshown in the following char

11 - 74VEHICLE SERVICE AND MAINTENANCENoise Control System Maintenance ScheduleIn order to comply with federal noiseregulation, the UD Trucks vehiclem

11 - 75VEHICLE SERVICE AND MAINTENANCEIntake system  Check the intake system compo-nents such as ducts, hoses, reso-nator air cleaner, intake manifol

3 - 11BEFORE DRIVING YOUR VEHICLEEGR SYSTEM OPERATION Overheating of the engine coulddamage the EGR system compo-nents, so have them inspected andser

11 - 76VEHICLE SERVICE AND MAINTENANCEBattery electrolyte levelThe battery electrolyte should bemaintained between the upper andlower levels on the ca

11 - 77VEHICLE SERVICE AND MAINTENANCESpecific gravity of battery electro-lyteThe specific gravity of the batteryelectrolyte determines the batterycon

11 - 78VEHICLE SERVICE AND MAINTENANCE3.After tightly connecting the cables,apply a thin coat of grease to theterminals to prevent corrosion.Always di

11 - 79VEHICLE SERVICE AND MAINTENANCEFront turn signal light1.Remove the fixing clips (2 loca-tions) from the rubber and turnover the rubber.2.Remove

11 - 80VEHICLE SERVICE AND MAINTENANCELicense plate lightBack-up lightClearance and identification lightRoom lightFUSESThe fuse box is located on the

11 - 81VEHICLE SERVICE AND MAINTENANCEInside fusible link boxTo replace a blown fuse1.Use the fuse puller to remove theblown fuse.2.Install a new fuse

11 - 82VEHICLE SERVICE AND MAINTENANCEBLOWER MOTOR FILTERSAir filters for a heater or an air condi-tioner are installed behind the frontlid at the rig

11 - 83VEHICLE SERVICE AND MAINTENANCEWHEELS AND TIRESTiresNote that the size charts on the fol-lowing pages are examples of typicaltire sizes and do

11 - 84VEHICLE SERVICE AND MAINTENANCELoad specificationTire size designationTIRE LOAD LIMITS AT VARIOUS COLD INFLATION PRESSURES(The pressure is mini

11 - 85VEHICLE SERVICE AND MAINTENANCEChecking the tire pressure and tire condition1.Check the pressure of each tirewith a tire gauge daily. For accu-

3 - 12BEFORE DRIVING YOUR VEHICLEmance diesel engine oil and UltraLow Sulfur Diesel (ULSD) fuel.HANDLING OF THE EXHAUST EMISSION CONTROL SYSTEM The e

11 - 86VEHICLE SERVICE AND MAINTENANCEEach tire has six wear indicators.Check the tread grooves of each tiredaily. Replace a tire when any of thetread

11 - 87VEHICLE SERVICE AND MAINTENANCENOTE: The wheel nuts on the right sideof the vehicle have right-handedthreading; the left side wheelnuts have l

11 - 88VEHICLE SERVICE AND MAINTENANCENOTE: Mount less worn tires on frontwheels, and it is advisable tocheck the front wheels for thedynamic balance

11 - 89VEHICLE SERVICE AND MAINTENANCEWhen replacing wheels, consult yourUD Trucks dealer or qualified servicefacility before attempting any wheelor f

11 - 90VEHICLE SERVICE AND MAINTENANCE Be cautious with the use ofgarage heaters as their use canalso promote corrosion.

12 - 1IN CASE OF EMERGENCY/TROUBLE-SHOOTINGIN CASE OF EMERGENCY/TROUBLE-SHOOTINGProper operation of your vehicle,together with regular inspection andm

12 - 2IN CASE OF EMERGENCY/TROUBLE-SHOOTING If the engine coolant tempera-ture (ECT) significantlyincreases, an overheat warningwith a 2-phase indica

12 - 3IN CASE OF EMERGENCY/TROUBLE-SHOOTING JUMP STARTINGEmergency Starting WARNINGTo avoid serious injury from hotcoolant or steam release: Do not o

12 - 4IN CASE OF EMERGENCY/TROUBLE-SHOOTINGBefore attempting to jump start avehicle, check the battery cables andconnections for corrosion and tight-n

3 - 13BEFORE DRIVING YOUR VEHICLEPrecautions on handling the DPFWhen a certain amount of soot thatis included in the exhaust gas accu-mulates in the a

12 - 5IN CASE OF EMERGENCY/TROUBLE-SHOOTING<To jump start a vehicle>1.Position the vehicles so that thejumper cables can be attached. Donot allo

12 - 6IN CASE OF EMERGENCY/TROUBLE-SHOOTINGTIRE CHANGEDamaged tireTo replace a tire, refer to the follow-ing instructions.Jack operating instructionsF

12 - 7IN CASE OF EMERGENCY/TROUBLE-SHOOTINGJacking up the vehicle with air sus-pension<Before jacking up>While the engine stops, operate theair

12 - 8IN CASE OF EMERGENCY/TROUBLE-SHOOTINGNOTE: The wheel nuts on the right sideof the vehicle have right-handedthreading; the left side wheelnuts h

12 - 9IN CASE OF EMERGENCY/TROUBLE-SHOOTING(UD1800 and UD2000)(UD2300)(UD2600 and UD3300)NOTE: When replacing both dualwheels, make sure that the inn

12 - 10IN CASE OF EMERGENCY/TROUBLE-SHOOTINGTowing with front axle off ground or with all wheels on ground. To tow the vehicle from the front,remove e

12 - 11IN CASE OF EMERGENCY/TROUBLE-SHOOTINGNOTE: If the air pressure drops toapproximately 40 psi (275 kPa)(2.8 kgf/cm2) in both front andrear brake

12 - 12IN CASE OF EMERGENCY/TROUBLE-SHOOTING2.Release the release nut by turningit counterclockwise by the speci-fied release amount (Do not useimpact

12 - 13IN CASE OF EMERGENCY/TROUBLE-SHOOTINGTROUBLESHOOTINGThe information in the following charts may be helpful in identifying the cause and correct

12 - 14IN CASE OF EMERGENCY/TROUBLE-SHOOTINGOperationProblem Possible Cause Cause CorrectionEngine lacks powerParking brake is not completely released

3 - 14BEFORE DRIVING YOUR VEHICLENOTE: Depending on the driving condi-tions, the burning (DPF regener-ation) of the soot collected inthe DPF may not

12 - 15IN CASE OF EMERGENCY/TROUBLE-SHOOTINGOperation (Cont’d)Problem Possible Cause Cause CorrectionExcessive fuel consumptionFuel leaksCheck fuel sy

12 - 16IN CASE OF EMERGENCY/TROUBLE-SHOOTINGOperation (Cont’d)Problem Possible Cause Cause CorrectionVehicle vibrates excessivelyBolts and nuts connec

12 - 17IN CASE OF EMERGENCY/TROUBLE-SHOOTINGOperation (Cont’d)OtherProblem Possible Cause Cause CorrectionLoss of brake fluid Brake system leaks fluid

13 - 1SERVICE DATASERVICE DATA MAINTENANCE STANDARDItems Maintenance Standard RemarksEngineValve clearanceIntake 0.012 - 0.016 in (0.30 - 0.40 mm)Whil

13 - 2SERVICE DATAMAINTENANCE STANDARD (CONT’D) WARNING Automatic brake slack adjusters should not be manually adjusted in an effort to correct exces

13 - 3SERVICE DATATIGHTENING TORQUEItemsMaintenance Standardft·lbf (N·m) (kgf·m)RemarksEngineOil pan drain plug40 - 44 (54 - 59) (5.5 - 6.0)Oil filter

13 - 4SERVICE DATATIGHTENING TORQUE (Cont’d)ItemsMaintenance Standardft·lbf (N·m) (kgf·m)RemarksChassisChassis spring U-bolt nutFront174 - 203(235 - 2

13 - 5SERVICE DATABULBS RECOMMENDED LUBRICANTSRemarks:(1) UDXtra Long Life Diesel Engine Antifreeze/Coolant ItemsWattage (W)Trade No.Headlight (Haloge

13 - 6SERVICE DATAAllison automatic transmission fluid recommenda-tionsHydraulic fluids used in the transmission are importantinfluences on transmissi

13 - 7SERVICE DATAREFILL CAPACITIES(Cont’d)NOTE: Quantities listed are approximate. When filling,observe the specified level.ItemUS measureLiter Rema

iii WARNING Making modifications to vari-ous parts, components andsystems of the vehicle, suchas brake and steering systemcan adversely affect the qu

3 - 15BEFORE DRIVING YOUR VEHICLENOTE: The engine speed increaseswhile performing manual DPFregeneration. This is due to atemperature increase of the

13 - 8SERVICE DATACONVERSION FACTORSLength1 inch (in) = 25.40 millimeters (mm)Pressure1 kilopascal (kPa) = 0.1450 pound/square-inch (psi)= 0.01020 kil

14 - 1REPORTING SAFETY DEFECTSREPORTING SAFETY DEFECTSIf you believe that your vehicle has a defect which couldcause a crash or could cause injury or

15 - 1A - CINDEXAAbbreviation ...1-4ABS ...10-34 ABS warning light...

15 - 2D - FFree play ... 11-65 Clutch fluid ...13-5 Clutch pedal free play ...13-2 C

15 - 3G - MPurging air from fuelsystem... 11-43Fuel requirements ... 11-38 Fuses ...

15 - 4N - TPrecautions ... 11-19 Standard...13-1 Maintenance and inspectiondisplay ...

15 - 5U - WTilting the cab ... 11-21TireChange...12-6Condition ... 11-85

15 - 6W - WWindshieldWasher fluid ...11-68,13-7Washer reservoir... 11-68Wiper, washer andexhaust brake switch ...7-55

3 - 16BEFORE DRIVING YOUR VEHICLEDo not touch the water that comes from the muffler.Do not kick or strike the muffler.The muffler has the following ch

3 - 17BEFORE DRIVING YOUR VEHICLEHandling of the diesel exhaust fluid (DEF)Fill the tank with the specified amount of DEF.Only add DEF to the　DEF tank

3 - 18BEFORE DRIVING YOUR VEHICLEPrecautions for handling of the DEF<Handling Precautions> Handle in accordance with goodindustrial hygiene and

3 - 19BEFORE DRIVING YOUR VEHICLEEngine oil for the vehicle equipped with the aftertreatment DPFDo not use any engine oil otherthan the recommended oi

3 - 20BEFORE DRIVING YOUR VEHICLEDPF Regeneration system

3 - 21BEFORE DRIVING YOUR VEHICLEThe status of DPF soot accumula-tion: Level 0When the Level 0 indication isshown, the manual DPF regenera-tion is not

3 - 22BEFORE DRIVING YOUR VEHICLE5. Wait approximately 25 minutes.(when it is operated after theengine has already warmed up.)When the DPF regeneratin

3 - 23BEFORE DRIVING YOUR VEHICLEated and the engine is forced to runat the idling speed.Vehicle speed is graduallydecreased to protect the engine,whi

3 - 24BEFORE DRIVING YOUR VEHICLEnecessary to ensure proper perfor-mance. If the DPF Maintenance warning isilluminated, the vehicle should betaken to

iv

4 - 1ENTERING AND LEAVING THE CABENTERING AND LEAVING THE CABDriver’s side1. Open door and firmly grasp therear handle behind the dooropening with you

4 - 2ENTERING AND LEAVING THE CAB4. Bring your left foot up to the 2ndstep next to your right foot.If you grasped the lower handlewith your left hand

5 - 1DOORS AND WINDOWSDOORS AND WINDOWSUsing seat belts and keeping thedoors closed and locked providesgreater safety in the event of an acci-dent. It

5 - 2DOORS AND WINDOWSOperation from inside of vehicleOpening doorWhen opening the door from theinside, pull the inside handletoward you while pushing

5 - 3DOORS AND WINDOWSNOTE: As many as 4 remote controlscan be used. Contact an autho-rized UD Trucks dealer for pur-chasing or how to start usingadd

5 - 4DOORS AND WINDOWSDOOR WINDOW (POWER WINDOW)Open/Close switchThis switch is used to open andclose the door windows on the driverand passenger’s si

5 - 5DOORS AND WINDOWS<Opening and closing thepassenger’s side>A passenger’s side door windowswitch is provided in both the driverand passenger’

6 - 1DRIVING POSITIONDRIVING POSITIONSEATSFore and aft adjustmentThe driver’s seat can be adjustedforward and backward by pulling upon the slide lever

6 - 2DRIVING POSITIONThe rear of the driver’s seat can beraised by pulling up the lever at theleft side of the seat base.To lower the seat downward, p

6 - 3DRIVING POSITIONforce to the seatback. To return theseatback to the upright position liftup the lever while leaning forward.Forward and backward

vTABLE OF CONTENTSINTRODUCTION AND SAFETY... 1-1When Reading the Manual... 1-1New Vehicles Break-in Pe

6 - 4DRIVING POSITIONTo make fully flat / lift up the seat cushion In addition to being used as a reg-ular assistant seat, the seatbackcan be folded

6 - 5DRIVING POSITIONSEAT BELTSTo fasten the belt, position the seatand fit the seat belt snugly withouttwisting. Insert the open end of thetongue int

6 - 6DRIVING POSITIONSeat belt warning light<Center seat belt (Optional)>To tighten the seat belt, pull theloose end toward the belt anchorageun

6 - 7DRIVING POSITIONSeat belt maintenance1.Clean the seat belt webbing onlywith mild soap or detergent. Avoiddirect sunlight when wiping anddrying th

7 - 1INSTRUMENTS AND CONTROLSINSTRUMENTS AND CONTROLS

7 - 2INSTRUMENTS AND CONTROLS1. Lighting, Dimmer, Passing, Turn sig- 11. Overhead box 24. Accelerator pedalnal, Accelerate and resume switch, 12. Roo

7 - 3INSTRUMENTS AND CONTROLSIGNITION KEY SWITCHThe ignition key switch, located onthe right side of the steering column,has four positions:LOCK (OFF)

7 - 4INSTRUMENTS AND CONTROLSNOTE: If the ignition key is difficult toturn when inserting it and turn-ing it to the ON position, jigglethe steering w

7 - 5INSTRUMENTS AND CONTROLSMETERS AND GAUGESNOTE: The meter indicators might move slightly when theignition key is turned to ON position. This is d

7 - 6INSTRUMENTS AND CONTROLSSpeedometerThe needle indicates the vehiclespeed in miles and kilometers perhour on the speedometer. Observethe speed lim

viTowing Trailers ... 10-3Starting the Engine... 10-4Warming up

7 - 7INSTRUMENTS AND CONTROLSTrip meter(Individual trip distance meter) The trip meter indicates the distanceof individual trips in miles. (The fig-ur

7 - 8INSTRUMENTS AND CONTROLSAir pressure gaugeThis gauge shows the air pressure inthe air reservoir.If the indicator shows the standardair pressure w

7 - 9INSTRUMENTS AND CONTROLSEngine Coolant Temperature (ECT) gaugeThis gauge indicates the enginecoolant temperature (ECT). When the gauge indicates

7 - 10INSTRUMENTS AND CONTROLSDiesel exhaust fluid (DEF) gaugeThe DEF gauge indicates theapproximate amount of DEF in theaftertreatment DEF tank. Whe

7 - 11INSTRUMENTS AND CONTROLSDEF empty + 1 hour 1 hour after the DEF becomesnearly empty, the engine controlwarning light illuminates, the 40%of eng

7 - 12INSTRUMENTS AND CONTROLSFuel gaugeThe fuel gauge indicates the approx-imate amount of fuel in the fuel tank.  When the ignition key is turnedOF

7 - 13INSTRUMENTS AND CONTROLSVoltmeterThis meter operates when the igni-tion key is in the ON position, and itshows the battery voltage when theengin

7 - 14INSTRUMENTS AND CONTROLSDPF Soot level gauge Indicates the soot accumulationlevel in the diesel particulate filter(DPF). For details on the di

7 - 15INSTRUMENTS AND CONTROLSMULTI-DISPLAY MONITORThe multi-display monitor showsseveral kinds of information in eachdisplay area. MTM specification

7 - 16INSTRUMENTS AND CONTROLSThe screens of the multi-display monitor can be toggled as follows.

viiRefill Capacities ... 13-7Conversion Factors... 13-8REPORTING SA

7 - 17INSTRUMENTS AND CONTROLSChanging the screen of the multi-display monitor The initial screen is displayedwhen the ignition key is turned tothe O

7 - 18INSTRUMENTS AND CONTROLSNOTE: Inputting and modifying an itemcannot be done while a warningis displayed.To input or modify an item whilethe war

7 - 19INSTRUMENTS AND CONTROLS<Voltmeter display><Trip management display> To change the display to the dis-tance setting screen, push th

7 - 20INSTRUMENTS AND CONTROLStion, and then input the dis-tance.<Hour meter display>The hour meter indicates the totalrunning time of the engin

7 - 21INSTRUMENTS AND CONTROLS<Several maintenance and inspec-tion screen displays>Engine oilTransmission oilDifferential oilTire Engine beltCoo

7 - 22INSTRUMENTS AND CONTROLSAir cleaner elementFuel filterAir dryerUser setting 1User setting 2User setting 3 To change the display to the inputscr

7 - 23INSTRUMENTS AND CONTROLSthan 1 second or turn the returnswitch for more than 1 secondwhile the maintenance and inspec-tion screen is displayed.

7 - 24INSTRUMENTS AND CONTROLS<Calendar and clock display> To set the calendar and clock dis-play, press the mode select switchor the select sw

7 - 25INSTRUMENTS AND CONTROLSNOTE: Whenever the select switch orthe return switch is turned formore than 1 second while oper-ating, the display will

7 - 26INSTRUMENTS AND CONTROLSWARNINGS AND INDICATORSMulti-displayDisplayName PageMarkColorMessageRed or AmberEngine overheatOverheat warning7-912-1Re

1 - 1INTRODUCTION AND SAFETYINTRODUCTION AND SAFETYWHEN READING THE MANUALIn this manual, read very carefully those sections which have signs “DANGER”

7 - 27INSTRUMENTS AND CONTROLSAmberInsufficient DEF quality or failureSCR system tamper-ing warning(Initial detected)7-35Contact DealerInsufficient DE

7 - 28INSTRUMENTS AND CONTROLSWarning and indicator lightsNo Tell mark Name Page1Left turn signal and hazard indi-cator light7-512HIGH beam indi-cator

7 - 29INSTRUMENTS AND CONTROLS26 Spare27Exhaust brakeindicator light7-5128 Spare29ATM shift limit warning light7-4930ATM maintenance information light

7 - 30INSTRUMENTS AND CONTROLSBUZZERSBuzzer list in cabinWhen multiple warnings occur at the same time.When two warnings from No.5 to 10 occur at the

7 - 31INSTRUMENTS AND CONTROLSWARNINGSWhen necessary, the multi-displaydisplays warnings while also display-ing a warning message and com-ments in ord

7 - 32INSTRUMENTS AND CONTROLSCharge warningIf a problem occurs with the chargingcircuit while driving, the warning,warning message, and commentswill

7 - 33INSTRUMENTS AND CONTROLSDEF low level warningWhen the level of DEF in the tank islow, this warning and warning mes-sage are displayed and a warn

7 - 34INSTRUMENTS AND CONTROLSNOTE: Try to add DEF ahead of time sothat the tank does not becomeempty.  After the ignition key is turnedto the ON po

7 - 35INSTRUMENTS AND CONTROLSInitial detected + 4 hours4 hours after an insufficient DEFquality is detected, engine torque isreduced by 40%. Furtherm

7 - 36INSTRUMENTS AND CONTROLSInitial detectedOnce a tampering is detected, awarning will be displayed, and awarning light will be illuminated towarn

1 - 2INTRODUCTION AND SAFETYAll information and specifications inthis manual are based on the prod-uct information in effect at the time ofprinting. T

7 - 37INSTRUMENTS AND CONTROLSSCR system fault warningWhen the SCR system fault, thiswarning and warning message aredisplayed and the warning light il

7 - 38INSTRUMENTS AND CONTROLSEngine system warningWhen the engine system malfunc-tions due to the following causes, anamber warning (moderate), a war

7 - 39INSTRUMENTS AND CONTROLSVehicle electrical system malfunction warningWhen the vehicle electrical systemmalfunctions due to followingcauses, an a

7 - 40INSTRUMENTS AND CONTROLS This warning message is dis-played, have it checked at thenearest authorized UD Trucksdealer.Engine communication malf

7 - 41INSTRUMENTS AND CONTROLSATM fluid temperature warningIf automatic transmission fluid tem-perature rises above 250°F (121°C),the warning, warning

7 - 42INSTRUMENTS AND CONTROLSmission checked by an authorizedUD Trucks dealer.ATM system warningThe automatic transmission systemwarning, warning mes

7 - 43INSTRUMENTS AND CONTROLSWARNING AND INDICATOR LIGHTSAir pressure warning lightIf the air pressure drops and themeter indicator falls below the r

7 - 44INSTRUMENTS AND CONTROLSNOTE: When the amount of aftertreat-ment diesel exhaust fluid (DEF)is empty (the level is zero) andthe engine control w

7 - 45INSTRUMENTS AND CONTROLSNOTE: Take care since the anti-lockbrake system serves as only aconventional brake systemwhile the warning light is on.

7 - 46INSTRUMENTS AND CONTROLS1.When the warning light comes onand the warning buzzer sounds,immediately move the vehicle to asafe place. Apply the pa