Paccar TX-8 Page 29 Operator'S Manual Download | Manualshive

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Vehicle Towing

When towing the vehicle, the output shaft
of the transmission must not be allowed to
spin or turn. If the vehicle is towed with the
drive wheels still in contact with the road
surface, the vehicle axle shafts or driveline
must be removed or disconnected.

CAUTION

Always  follow  proper  manufacturer
towing  procedures.  Failure  to  follow
proper  towing  procedures  could  result
in damage to the transmission.

OPERATION - Vehicle Towing

Y53-1331 (6/21)

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Summary of Contents for TX-8

Page 1: ...Operator s Manual Operator s Manual 8 Speed Transmission 8 Speed Transmission TX 8...

Page 2: ......

Page 3: ...Safety 1 Features 2 Indications and Controls 3 Operation 4 Maintenance 5 Information 6 Contents...

Page 4: ...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...

Page 5: ......

Page 6: ...Chapter 1 SAFETY Using this Manual 5 Safety Alerts 5 Illustrations 6 General Safety Instructions 6 Repairs 9 SAFETY 4 Y53 1331 6 21 1...

Page 7: ...l this table arranges the subject matter into chapters which can be quickly referenced using the numbers shown in the outer margin The first page of each chapter presents a list of the major subjects...

Page 8: ...t may not be obvious and is useful to your efficient operation of the vehicle Example NOTE Pumping the accelerator will not assist in starting the engine Illustrations Some of the illustrations found...

Page 9: ...itting or torn clothing Tie back and or tuck in long hair Remove all jewelry when working Before beginning any repair disconnect the battery negative cable and discharge any capacitors Put a DO NOT OP...

Page 10: ...hen using these materials Always keep any chemicals OUT OF REACH OF CHILDREN When working on the vehicle be alert for hot parts on systems that have just been turned off exhaust gas flow and hot fluid...

Page 11: ...vehicle are also known to the State of California to cause cancer birth defects or other reproductive harm Battery posts terminals and related accessories contain lead and lead compounds chemicals kno...

Page 12: ...ave all repairs to a PACCAR Powertrain distributor They are the ones best equipped to do the job safely and correctly Maintenance Manuals If you do decide to do any complex repair work you ll need the...

Page 13: ...SAFETY Repairs Y53 1331 6 21 11 1...

Page 14: ...daptive Driving Mode 13 Adaptive Starting Gear 13 Auto park option 13 Engine Overspeed and Underspeed Protection 14 Hill Start Aid option 14 LOW Mode 14 Neutral Idle Control Plus NIC 15 Parking Pawl o...

Page 15: ...denied Adaptive Driving Mode is always on Adaptive Starting Gear The Adaptive Starting Gear feature automatically selects a start gear based on vehicle weight and road grade This gear can be changed...

Page 16: ...time you want to limit upshifting hold lower gears or improve engine braking through lower gear selection For example when driving down long grades or when coming to a stop Selects lowest available ge...

Page 17: ...by spring force when the vehicle is at a standstill and the ignition switch is turned to OFF The parking pawl uses the pawl to lock the transmission output that engages in the meshing of the output sh...

Page 18: ...S AND CONTROLS Digital Display 17 Gearshift Lever 18 Hill Start Aid Disabled Warning Light option 20 Hill Start Aid Disable Switch option 20 Power Take off PTO Switch option 20 INDICATIONS AND CONTROL...

Page 19: ...or condition is active 1 8 Current Gear AN Auto Neutral L LOW Mode M Manual Mode Shift Position Unknown The following indications appear next to R Reverse when the feature or condition is active 1 Mul...

Page 20: ...nd Reverse R and for some vehicles Park P Rotating the knob to the Park P or Reverse R position while the vehicle is moving forward or to the Park P or Drive D position while the vehicle is moving bac...

Page 21: ...al Mode Button When Manual mode is selected M is shown in the Transmission Gear Display See Transmission Gear Display on page 17 Manual Mode Use Manual mode when driving conditions make it preferable...

Page 22: ...witch up temporarily disables the Hill Start Aid feature Disabling Hill Start Aid presents both a Popup and a warning light see Hill Start Aid Warning Light Hill Start Aid automatically turns back on...

Page 23: ...O disengagement may not have occurred CAUTION Increasing engine rpm before the PTO is actually engaged could prevent the PTO from engaging and or cause PTO damage INDICATIONS AND CONTROLS Power Take o...

Page 24: ...o Add Transmission Fluid 23 How to Drain the Transmission 24 LOW Mode Operation 24 Manually Releasing the Parking Pawl 24 Snow Ice Operation 25 Start Up and Power Down 25 Transmission Power Take off P...

Page 25: ...in Be careful fluid may be hot 7 Check fluid level in the Warm range Dipstick Warm range 1 2 1 FULL Line 2 ADD Line NOTE Observe markings at end of dipstick Your dipstick has a full and add line for t...

Page 26: ...ertrain distributor for maintenance processes that require draining transmission lubricant See TX 8 Transmission Lubricant Capacities on page 40 and Lubricant Specifications on page 40 for more inform...

Page 27: ...heel slippage the driver should select Manual mode Manual mode holds the current gear position under most operating conditions the transmission will only shift when the driver uses the up downshift re...

Page 28: ...NOTE If the gear display does not show a solid N or P the ap propriate gear has not yet been obtained NOTE Neutral or Park should al ways be reached before initiat ing power down except in cas es of...

Page 29: ...s towed with the drive wheels still in contact with the road surface the vehicle axle shafts or driveline must be removed or disconnected CAUTION Always follow proper manufacturer towing procedures Fa...

Page 30: ...Chapter 5 MAINTENANCE Automatic Transmission Maintenance 29 What is Preventative Maintenance 30 Troubleshooting 35 MAINTENANCE 28 Y53 1331 6 21 5...

Page 31: ...e it is essential that proper lubrication maintenance is performed for the operational temperature specific for your transmission use Operational temperature data for this transmission can be collecte...

Page 32: ...t the parking brake 2 block the wheels and 3 ensure that the shift lever or selector is in Neutral Failure to comply may re sult in death personal injury equip ment or property damage WARNING Exercise...

Page 33: ...requent start and stopping is required during normal operation and the highway is used infrequently and for short periods of time VOCATIONAL Applications based on truck configuration and use and not o...

Page 34: ...and refill Contact your PACCAR Powertrain distributor to drain the transmission Every 74 000 mi 120 000 km 4 yr Main and Auxiliary Transmission CITY DELIVERY Drain lubricant while warm Flush each uni...

Page 35: ...and body Check the hose condition and for leaks replace as required Refer to Cooling System Maintenance in your chassis operator s manual maintenance instructions Main and Auxiliary Transmission VOCAT...

Page 36: ...R Powertrain distributor to determine the peak operating temperature for specific vehicle application This temperature will determine which transmission maintenance intervals should be used for this v...

Page 37: ...the transmission Every 335 000 mi 540 000 km 4 yr Main and Auxiliary Transmission ON HIGHWAY Drain lubricant while warm Flush each unit with clean flushing oil and refill Contact your PACCAR Powertra...

Page 38: ...the vehicle and transmission system evaluated Roadside Assistance Call toll free to talk to someone at the PACCAR Customer Center Kenworth customers call 1 800 KW Assist 1 800 592 7747 Peterbilt cust...

Page 39: ...MAINTENANCE Troubleshooting Y53 1331 6 21 37 5...

Page 40: ...Chapter 6 INFORMATION Proper Transmission Lubrication 39 General Model Information 39 TX 8 Transmission Lubricant Capacities 40 Lubricant Specifications 40 INFORMATION 38 Y53 1331 6 21 6...

Page 41: ...Information Model Nomenclature Following is a nomenclature tree that describes the multiple configurations of the transmission model numbers 1 5 4 3 2 8 0 14F 1 12 C 1 5 4 3 2 AP TN 860 1 Number of Ge...

Page 42: ...o 37 8 17 9 Vocational 40 0 18 9 Transmissions equipped with Power Take off PTO have larger capacities that those listed here Lubricant Specifications PACCAR approves the use of ZF Ecofluid Life Plus...

Page 43: ...INFORMATION Lubricant Specifications Y53 1331 6 21 41 6...

Page 44: ...P See Transmission Modes E Emergency Release See Manually Releasing the Parking Pawl Engine Overspeed and Underspeed Protection 14 Engine Overspeed Protection 14 Engine Shutdown 26 Engine Underspeed P...

Page 45: ...000 miles 193 000 km 4 yr 33 Every 223 000 miles 360 000 km 4 yr 33 Every 60 000 mi 96 000 km 6 mos 31 33 34 First 3 000 5 000 mi 4 800 8 000 km 31 33 34 Peak Operational Temperature 221 F 105 C Ever...

Page 46: ...V Vehicle Towing 27 Index...

Page 47: ......

Page 48: ...x 1518 vue A 98009 PACRI P O Box 1518 Bellevue WA 98009 Powertrain Y53 1331...

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