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transmission. Watch this gauge to know
when the transmission is overheating and if
so, have it checked by an authorized
service representative.

Gearshift Lever

The gearshift is located on the right-hand
side of the steering column and can
perform the following transmission
functions:

Switch transmission modes

Upshift and Downshift

Activate Manual mode

Transmission Modes

Select the transmission mode by rotating
the lever outer knob. There is a position for
Drive (

D

), Neutral (

N

), and 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

backward, will not change the transmission
mode to those selections.
The Digital Display will indicate the
corresponding mode.

NOTE

Vehicles without a Park (

P

) mode must

be in Neutral (

N

) to start the engine.

Upshifting and Downshifting

The transmission gear can be selected
manually to accommodate the driving
needs of the operator. The Transmission
Mode must be in Drive (

D

) to manually

select the gear.
When in Automatic mode

INDICATIONS AND CONTROLS - Gearshift Lever

18

Y53-1331 (6/21)

3

Содержание TX-8

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

Страница 2: ......

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

Страница 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...

Страница 5: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

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

Страница 47: ......

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

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