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Repairs

Reverse

Roadside Assistance

Safety Alerts

Shifter

, See

Column Shifter

Start Gears

Start up

Transmission Air Supply

Transmission Gear Display

Transmission Modes

DNR Indicator

Drive (automatic)

Low

MAX

Neutral

Reverse

Transmission Oil Temperature Gauge

Transmission Reset Procedure

Transmission, Auxiliary

Troubleshooting

Upshifting and Downshifting

Urge to Move

Using High-range Reverse When Moving

Using High-range Reverse When Stationary

Using this Manual

Vehicle Towing

Index

Содержание TX-18

Страница 1: ...18 Speed Transmission 18 Speed Transmission 8 Operator s Manual Operator s Manual...

Страница 2: ......

Страница 3: ...Safety 1 Features 2 Indications 3 Controls 4 Operation 5 Maintenance 6 Specifications 7 Contents...

Страница 4: ......

Страница 5: ...on this vehicle Please disregard any illustrations or descriptions relating to features or equipment which are not on this vehicle PACCAR reserves the right to discontinue change specifications or cha...

Страница 6: ...Chapter 1 SAFETY Using this Manual 5 Safety Alerts 5 Illustrations 6 General Safety Instructions 6 Repairs 9 SAFETY 4 Y53 1349 1A1 02 2022 1...

Страница 7: ...the Table of Contents Located at the front of the manual this table arranges the subject matter into chapters which can be quickly referenced using the numbers shown in the outer margin The first pag...

Страница 8: ...information that is not safety related but should be followed The alert will highlight things that may not be obvious and is useful to your efficient operation of the vehicle Example NOTE Pumping the...

Страница 9: ...trols Allow the engine to cool before slowly loosening the coolant fill cap to relieve the pressure from the cooling system WARNING Removing the fill cap on a hot engine can cause scalding coolant to...

Страница 10: ...rned off exhaust gas flow and hot fluids in lines tubes and compartments Contact with any hot surface may cause burns Always use tools that are in good condition Make sure you have the proper understa...

Страница 11: ...ated accessories contain lead and lead compounds chemicals known to the State of California to cause cancer and reproductive harm Wash hands after handling Repairs WARNING DO NOT attempt repair work w...

Страница 12: ...do the job safely and correctly Maintenance Manuals If you decide to do any complex repair work you ll need the maintenance manuals Order them from your PACCAR Powertrain distributor Please provide y...

Страница 13: ...SAFETY Repairs Y53 1349 1A1 02 2022 11 1...

Страница 14: ...4 Creep Mode 15 Cruise Control 15 Engine Underspeed Protection 15 Engine Overspeed Protection 15 High range Reverse PRO only 15 Hill Start Aid HSA 16 Hold Gear Mode option 16 Load based Shifting 16 Lo...

Страница 15: ...Transmission Power Take off PTO option 18 Urge to Move 18 FEATURES Y53 1349 1A1 02 2022 13 2...

Страница 16: ...in the transmission gear display option When active Clutch Abuse Protection Limits launch gears to 1st and R1 Disables Urge to Move Disables Creep Mode When Clutch Abuse Protection is active full clu...

Страница 17: ...rvice brakes are working before allowing cruise control to function This safety feature is designed to ensure that a driver is able to cancel the cruise set speed by using the service brake pedal The...

Страница 18: ...equests made by the operator see Manual Mode NOTE The hold gear can be changed at a PACCAR Powertrain distributor Load based Shifting This feature will adjust the transmission shift schedule changing...

Страница 19: ...se Neutral Coast Mode Neutral Coast mode places the transmission into Neutral on slight downhill grades improving fuel economy Neutral Coast mode only operates when cruise control is active and the tr...

Страница 20: ...f it is operating in either a mobile or a stationary application See Mobile Transmission PTO Operation option on page 39 and Stationary Transmission PTO Operation option on page 40 for use Urge to Mov...

Страница 21: ...FEATURES Urge to Move Y53 1349 1A1 02 2022 19 2...

Страница 22: ...Transmission Gear Display 23 Drive Neutral and Reverse Indicator 23 Auxiliary Transmission Neutral 23 Engine Brake Indicator 23 Hill Start Aid HSA Disabled Warning Light 24 Transmission Oil Temperatu...

Страница 23: ...e could result in degraded or complete loss of transmission engagement and shift capabilities resulting in property damage serious injury or death Vehicle secondary air controls the shifting range and...

Страница 24: ...and amber popups are totaled in the Active Warnings Indicator at the top of the display A popup s characteristics color brilliance and whether it flashes or has an audible alarm depend on the conditio...

Страница 25: ...s Manual transmissions and certain automatic transmissions do not provide feedback to the display Instead the transmission shifter indicates the gear condition Auxiliary Transmission Neutral Iindicate...

Страница 26: ...ized service representative Clutch Temperature Gauge The clutch temperature gauge monitors the temperature of the clutch which increases during clutch engagement and disengagement Clutch Temp 300 F Th...

Страница 27: ...he engine NOTE Allow engine to idle Turning off the engine prolongs the clutch high tem perature condition 4 Turn on the hazard lights and use other warning devices to alert motorists 5 Idle engine un...

Страница 28: ...Chapter 4 CONTROLS Column Shifter 27 Hill Start Aid HSA Disable Switch 31 Power Take off PTO Switch option 31 Auxiliary Transmission Switch option 31 CONTROLS 26 Y53 1349 1A1 02 2022 4...

Страница 29: ...the knob to the Reverse R position while moving forward or to the Drive D position while moving backward will not change the transmission mode to those selections The Digital Display will indicate th...

Страница 30: ...by using an upshift or downshift request when the transmission is near the shift point NOTE Multiple upshift or downshift requests may be allowed when the upshift downshift request procedure is per fo...

Страница 31: ...en in Automatic mode Pushing or pulling the shifter will briefly upshift or downshift the transmission for about four seconds after which the transmission will return to the ideal gearing for the curr...

Страница 32: ...Neutral N Transmission Manual Override If the vehicle is being back driven and the engine is approaching a higher than acceptable engine operation range the transmission system will override Manual m...

Страница 33: ...ivation process OFF Disables the PTO This vehicle may be equipped with a dash mounted switch that controls PTO engagement disengagement When the operator activates the switch for the PTO the status in...

Страница 34: ...h mounted auxiliary transmission activation switch Vehicle speed must be less than 7 mph 12 kph for the auxiliary transmission to accept a change in switch position therefore switch position does not...

Страница 35: ...CONTROLS Auxiliary Transmission Switch option Y53 1349 1A1 02 2022 33 4...

Страница 36: ...neral Operation 35 Hill Start Aid Operation HSA 37 Low Mode Operation 38 MAX Mode Operation 39 Transmission PTO Operation 39 Snow Ice Operation 40 Trailer Operation 41 Vehicle Towing 41 OPERATION 34 Y...

Страница 37: ...transmission to power up NOTE Engine cranking is delayed until the transmission power up is complete and the gear display shows a solid N If Neutral N is not shown in the gear display ensure that sec...

Страница 38: ...wnshift request procedure The transmission may deny a shift and sound a tone if the load of the vehicle or grade of the terrain falls outside the acceptable range to perform a shift Proper Clutch Use...

Страница 39: ...trailer hand brakes to hold a parked vehicle Because these brakes rely on air pressure a loss of pressure could loosen the brakes and cause the vehi cle to roll resulting in an accident Al ways set t...

Страница 40: ...use the accelerator pedal to launch the vehicle Failure to do so could result in unintended vehicle movement resulting in property dam age personal injury or death Low Mode Operation WARNING On slippe...

Страница 41: ...nal resistance from using the transmission lower gears 1 Move the transmission shifter to the 3rd position enabling 100 engine braking 2 Pull the transmission shifter down again and allow the shifter...

Страница 42: ...ransmission at an operating angle greater than 12 approximately 21 road grade The operating angle is the transmission mounting angle plus the road grade expressed as an angle Failure to comply will re...

Страница 43: ...e rails and locks are properly maintained Follow proper procedure for unlocking and sliding the trailer axles Use Low mode 1st gear for forward direction and Reverse R1 for reverse direction Avoid rep...

Страница 44: ...an 90 psi 620 kPa Neutral N is selected on col umn shifter A solid N Neutral indicates on the digital display Ignition switch is in the OFF po sition Speed and distance requirements Towing speed is le...

Страница 45: ...OPERATION Vehicle Towing Y53 1349 1A1 02 2022 43 5...

Страница 46: ...30 000 mi 48 000 km 48 Every 60 000 mi 96 000 km 6 mo 48 Annually 49 Every 240 000 mi 384 000 km 3 yr 49 Every 500 000 mi 800 000 km 5 yr 50 Air Compressor 50 Air Dryer Oil coalescing Cartridge 51 Co...

Страница 47: ...st be running to in spect be alert and cautious around the engine at all times Failure to com ply may result in death personal in jury equipment or property damage WARNING If work must be done with th...

Страница 48: ...the table which are based either on vehicle mileage or vehicle mileage and time passed since the last time that task was performed Some tasks depend on vehicle application or how and where the vehicle...

Страница 49: ...ekly Checks NOTE These checks are in addition to not in place of Federal Motor Carrier Safety Regulations These regulations may be purchased by writing to Superin tendent of Documents U S Govern ment...

Страница 50: ...ry 60 000 mi 96 000 km 6 mo7 Air Inline Filters Replace elements or clean with solvent Refer to Replace Engine Air Filter located in your engine operator s manual 6 Ensure that all maintenance interva...

Страница 51: ...ean the fins air to oil type and body Check the hose condition and for leaks replace as required See Cooling System Maintenance on page 51 Annually Annually Air Air Dryer Oil coalescing Desiccant Cart...

Страница 52: ...kPa and compression is reestablished when system pressure falls to 110 psi 758 kPa Preventive Maintenance The following service checks are provided for informational purposes and should only be perfo...

Страница 53: ...ng this component is equipped with an oil coalescing air dryer The air dryer s oil coalescing cartridge must be replaced yearly regardless of mileage CAUTION Replace the oil coalescing desiccant air d...

Страница 54: ...nd in the engine manufacturers owner s manual It is the owner s re sponsibility to follow all requirements listed in the engine manufacturers owner s manual NOTE Coolant is harmful to the environment...

Страница 55: ...required DO NOT add coolant extender to nitrite free coolant Checking Coolant Level Check the coolant level daily When adding coolant avoid mixing different brands and formulations If the coolant is...

Страница 56: ...vals shown in vehicle operator s manual the Lubrication and Maintenance service manual and user judgment based on vehicle application and operating environment Extending drain intervals beyond those s...

Страница 57: ...plug 1 and place container under the check plug hole 11 4 Remove the check plug using wrench 5 Observe the check plug hole a If a small amount of fluid runs out of the check plug hole there is suffici...

Страница 58: ...ith wrench 13 4 Place a suitable container under the check plug hole 5 Remove check plug 2 with wrench 14 6 Fill transmission at fill hole 1 until a small amount of fluid runs out of the check plug ho...

Страница 59: ...n types of lubricants all areas of each affected component must be thoroughly flushed NOTE For a list of approved lubricants see Transmission Lube Specification on page 62 Troubleshooting Diagnostics...

Страница 60: ...ntended vehicle movement re sulting in death serious injury or dam age to property 4 Turn the vehicle ignition switch to OFF 5 Wait at least 2 minutes 6 Restart the engine 7 If the problem continues c...

Страница 61: ...MAINTENANCE Troubleshooting Y53 1349 1A1 02 2022 59 6...

Страница 62: ...General Model Information 61 Calibration Options 61 Transmission Lubricant Capacities 62 Transmission Lube Specification 62 Frame Fastener Torque Requirements 63 Roadside Assistance 64 SPECIFICATIONS...

Страница 63: ...numbers 2 3 1 4 5 6 PXD XX F 1 18 D 1 PXD PACCAR TX 18 PXDP PACCAR TX 18 PRO 2 Torque Capacity XX 100 50 lb ft 3 Units for Torque F lb ft N Nm 4 Design Level 5 Forward Speeds 6 Gear Ratio Set D Double...

Страница 64: ...cants approved for this transmission Failure to use an ap proved lubricant can break down both lubrication and transmission compo nents resulting in degraded perform ance and equipment damage and may...

Страница 65: ...ad may not be achieved if the nut is held and torque is applied to the bolt Nylon lock nuts AKA ESNA or nyloc Standard Grade 8 UNF or UNC Nylon Lock Nuts Standard Fastener Size in with NYLON insert nu...

Страница 66: ...8 General considerations when using all metal lock nuts Do not lubricate all metal lock nuts Bolts and washers can be reused but nuts can only be reused once If reuse history is unknown install new nu...

Страница 67: ...ation Assists with jump and pull starts tires trailers fines and permits chains towing hazardous clean up out of fuel roadside mechanical repairs and preventive maintenance services Employs multilingu...

Страница 68: ...re Gauge 24 Coast Mode 14 Column Shifter Engine Brake Operation 30 Manual and Automatic Modes 30 Transmission Modes 16 17 23 27 28 Upshifting and Downshifting 29 Cooling system maintenance 51 Creep Mo...

Страница 69: ...Specifications 62 M Maintenance Manuals 10 Manual and Automatic Modes 30 Manual Mode See Manual and Automatic Modes Manual Override 30 MAX Mode Max Mode 17 Operation 30 38 39 N Neutral 27 Neutral Coa...

Страница 70: ...nsmission Modes DNR Indicator 23 Drive automatic 28 Low 16 MAX 17 Neutral 27 Reverse 28 Transmission Oil Temperature Gauge 24 Transmission Reset Procedure 57 Transmission Auxiliary 23 Troubleshooting...

Страница 71: ......

Страница 72: ...x 1518 vue A 98009 Y53 1349 1A1 PACRI P O Box 1518 Bellevue WA 98009 Powertrain...

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