Related Manuals for Paccar TX-8
Summary of Contents for Paccar TX-8
- Page 1 TX-8 8 Speed 8 Speed Transmission Transmission Operator’s Manual Operator’s Manual...
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Page 2: Table Of Contents
Contents Safety........Features........Indications........Controls........Operation........Maintenance........Specifications........ - Page 3 The information contained in this manual is proprietary to PACCAR. Reproduction, in whole or in part, by any means is strictly prohibited without prior written authorization from PACCAR Inc.
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Page 4: Safety
SAFETY - Chapter 1 | SAFETY Using this Manual..........................5 Safety Messages and Notes......................... 5 Illustrations............................6 General Safety Instructions........................6 Y53-1331-1B1 (01/2024) - Page 5 Operator’s or options mentioned in this manual. an authorized PACCAR dealer. PACCAR Manual. We recommend that you read and Therefore, you should pay careful attention reserves the right to make changes at any...
- Page 6 SAFETY - Illustrations or injury. An unheeded warning may also Example: result in damage to equipment, property, or Illustrations the environment. Warning messages will CAUTION identify the hazard, how to avoid it, and the Some of the illustrations found in this probable consequence of not avoiding the manual are generic, and may not look DO NOT operate your vehicle with in-...
- Page 7 SAFETY - General Safety Instructions death or injury. Special safety precautions • Wear protective gloves when hands, and arms against escaping flu- are included in the procedures when they working with hot liquids or id and steam by covering the cap with apply.
- Page 8 Ensure all lifting service work. Use only genuine dispose of coolant in accordance devices such as chains, hooks, or replacement parts from PACCAR. with local environmental slings are in good condition and • Always use the same fastener part regulations.
- Page 9 However, all warranty repairs must harm. functions. Before modifying your vehi- be performed by a PACCAR Powertrain cle, check with your dealer to make Y53-1331-1B1 (01/2024)
- Page 10 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 your Chassis Serial Number when you order, to be sure you get the correct manuals for your vehicle.
- Page 11 SAFETY - General Safety Instructions Y53-1331-1B1 (01/2024)
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Page 12: Features
FEATURES - Chapter 2 | FEATURES Auto-neutral............................13 Adaptive Driving Mode........................13 Adaptive Starting Gear........................13 Auto-park (option)..........................13 Engine Overspeed Protection......................14 Engine Underspeed Protection......................14 Hill Start Aid (HSA) (option)........................ 14 Low Mode............................14 Neutral Idle Control Plus (NIC+)......................14 Parking Pawl (option).......................... 15 Transmission Power Take-off (PTO) (option).................. -
Page 13: Auto-Neutral
FEATURES - Auto-neutral If the operator selects a gear that will result (N), and then press the service brake in engine lugging or overspeeding, the shift Auto-neutral before a new mode can be selected. will be denied. The Auto-neutral feature will automatically Adaptive Starting Gear shift the transmission into Neutral if it is left NOTE... -
Page 14: Engine Overspeed Protection
FEATURES - Engine Overspeed Protection • Maintain smooth, continuous power when going up or down steep Hill Start Aid (HSA) NOTE grades at a low vehicle speed (10 (option) mph or less). If Auto-park has been activated, the transmission will not exit Park (P) until Hill Start Aid (HSA) prevents unwanted NOTE the shifter is first moved to P before... -
Page 15: Parking Pawl (Option)
FEATURES - Parking Pawl (option) shifts back into gear, allowing the vehicle to creep forward normally. NOTE Parking Pawl (option) Activating the parking pawl manual re- lease will allow the vehicle to roll if the This transmission may be equipped with a Parking Brake is not set. -
Page 16: Indications
INDICATIONS - Chapter 3 | INDICATIONS Digital Display............................. 17 Hill Start Aid (HSA) Disabled Warning Light (option)................18 Y53-1331-1B1 (01/2024) - Page 17 INDICATIONS - Digital Display Manual Mode Digital Display – Shift Position Unknown Transmission Gear Display Primary Gauges View The following indications appear next to R Transmission Temperature (Reverse), when the feature or condition is active: Multi-reverse Gear Transmission Gear Display –...
- Page 18 INDICATIONS - Hill Start Aid (HSA) Disabled Warning Light (option) The Transmission Temperature Gauge indicates the temperature of the oil in the transmission. Watch this gauge to know when the transmission is overheating. If so, have it checked by an authorized service representative.
- Page 19 INDICATIONS - Hill Start Aid (HSA) Disabled Warning Light (option) Y53-1331-1B1 (01/2024)
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Page 20: Controls
CONTROLS - Chapter 4 | CONTROLS Column Shifter............................ 21 Hill Start Aid (HSA) Disable Switch (option)..................23 Power Take-off (PTO) Switch (option)....................23 Y53-1331-1B1 (01/2024) - Page 21 CONTROLS - Column Shifter for Drive (D), Neutral (N), Reverse (R), and Upshifting and Downshifting for some vehicles, Park (P). Column Shifter Rotating the knob to the Park (P) or Reverse (R) position while the vehicle is The column shifter, located on the right- moving forward, or to the Park (P) or Drive hand side of the steering column, lets the (D) position while the vehicle is moving...
- Page 22 CONTROLS - Column Shifter • Pushing and holding the shifter Manual and Automatic Modes • Press the Manual Mode button away will engage the Low Mode • Place the column shifter in Neutral (see Low Mode Operation on page 25). When in Manual Mode Manual Mode •...
- Page 23 CONTROLS - Hill Start Aid (HSA) Disable Switch (option) Transmission Manual Override • OFF (temporary position) engagement/disengagement. When the If the vehicle is being back-driven and the operator activates the switch for the PTO, • (center, resting position) engine is approaching a higher than the status indicator light (located on the acceptable engine operation range, the OFF Pressing the switch up temporarily disables the...
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Page 24: Operation
OPERATION - Chapter 5 | OPERATION Start Gears............................25 Hill Start Aid Operation (HSA)......................25 Low Mode Operation...........................25 Manually Releasing the Parking Pawl....................25 PTO Operation............................ 26 Snow/Ice Operation..........................26 Start-Up and Power Down........................26 Vehicle Towing............................ 27 Y53-1331-1B1 (01/2024) -
Page 25: Start Gears
OPERATION - Start Gears • Shifts into (or through) Neutral (N). • Turns the ignition switch to OFF. Start Gears Low Mode Operation This transmission can be launched in the Manually Releasing the WARNING following start gears: Parking Pawl On slippery surfaces, minimize engine Releasing the parking pawl manually, at braking in Low Mode. -
Page 26: Pto Operation
OPERATION - PTO Operation Located at the midpoint, driver's side of the NOTE transmission. PTO Operation Remove nut and washer at parking Use the transmission PTO switch to dis- pawl release (1). Stationary PTO Operation engage the PTO. Attach the manual release lever and tighten nut (only two threads) The PTO is geared to the transmission (max torque –... -
Page 27: Vehicle Towing
OPERATION - Vehicle Towing start-up procedure located in the engine located in the Engine Operator's Manual operator's and chassis operator's manuals and Chassis Operator's Manual specific for Vehicle Towing specific for your vehicle. Familiarize your vehicle. Familiarize yourself with the yourself with the information in this topic, information in this topic, and make the When towing the vehicle, the output shaft... - Page 28 MAINTENANCE - Chapter 6 | MAINTENANCE Automatic Transmission Maintenance....................29 Preventative Maintenance........................30 Peak Operational Temperature: 221°F (105°C).................. 31 Peak Operational Temperature: 203°F (95°C)..................33 Peak Operational Temperature: 185°F (85°C)..................34 Lubrication............................36 Troubleshooting...........................39 Y53-1331-1B1 (01/2024)
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Page 29: Maintenance
PACCAR Powertrain distributor technician The hydraulic pressure needed to shift degrading its lubricating properties. early in the truck's life (collected during the... -
Page 30: Preventative Maintenance
If work must be done with the engine age. have. For such situations, please take your running, always: vehicle to a PACCAR Powertrain • Ensure that the transmission is distributor. in neutral (N) or park (P) •... -
Page 31: Peak Operational Temperature: 221°F (105°C)
If there are questions regarding which property damage. • ON-HIGHWAY – Applications intervals to follow, please contact a where the vehicle is only used on PACCAR Powertrain distributor. Consult paved roads during normal the supplier for specific recommendations WARNING operation. where discrepancies develop between the •... - Page 32 Every 37,000 mi / 60,000 km / 3 yr Main and Auxiliary Transmission – (VOCATIONAL and OFF-HIGHWAY) • Drain lubricant while warm. Flush each unit with clean flushing oil and refill. Contact your PACCAR Powertrain distributor to drain the transmission. Y53-1331-1B1 (01/2024)
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Page 33: Peak Operational Temperature: 203°F (95°C)
Every 74,000 mi / 120,000 km / 4 yr Main and Auxiliary Transmission – (CITY DELIVERY) • Drain lubricant while warm. Flush each unit with clean flushing oil and refill. Contact your PACCAR Powertrain distributor to drain the transmission. Every 111,000 mi / 180,000 km / 4 yr Main and Auxiliary Transmission –... -
Page 34: Peak Operational Temperature: 185°F (85°C)
Main and Auxiliary Transmission – (VOCATIONAL and OFF-HIGHWAY) • Drain lubricant while warm. Flush each unit with clean flushing oil and refill. Contact your PACCAR Powertrain distributor to drain the transmission. Every 120,000 miles / 193,000 km / 4 yr Main and Auxiliary Transmission –... - Page 35 Every 111,000 mi / 180,000 km / 3 yr Main and Auxiliary Transmission – (VOCATIONAL and OFF-HIGHWAY) • Drain lubricant while warm. Flush each unit with clean flushing oil and refill. Contact your PACCAR Powertrain distributor to drain the transmission. Y53-1331-1B1 (01/2024)
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Page 36: Lubrication
Every 223,000 mi / 360,000 km / 4 yr Main and Auxiliary Transmission – (CITY DELIVERY) • Drain lubricant while warm. Flush each unit with clean flushing oil and refill. Contact your PACCAR Powertrain distributor to drain the transmission. Every 335,000 mi / 540,000 km / 4 yr Main and Auxiliary Transmission –... - Page 37 MAINTENANCE - Lubrication Close hood and latch hood hold- downs. Dipstick: Warm Range Adding Transmission Fluid Required tools: • Clean cloth or paper towel • Automatic Transmission Fluid (See Lubricant Specifications on page • ¾" (18mm) Wrench • Oil pump •...
- Page 38 NOTE formance, or both. For any questions or concerns, contact a PACCAR serv- This transmission uses DO NOT fill past the FULL line. ice location for more details. Below is ZF-Lifeguard Hybrid 2 (ATF818)
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Page 39: Troubleshooting
If the problem continues, contact a during fluid replacement or a repair. Take Transmission Control Module (TCM). Use service facility to have the vehicle your vehicle to a PACCAR Powertrain the following procedure to reset the TCM. and transmission system evaluated. -
Page 40: Specifications
SPECIFICATIONS - Chapter 7 | SPECIFICATIONS General Model Information........................41 Transmission Lubricant Capacities..................... 41 Lubricant Specifications........................42 Roadside Assistance...........................43 Y53-1331-1B1 (01/2024) -
Page 41: General Model Information
SPECIFICATIONS - General Model Information Transmission Identification Tag Transmission General Model Information All transmissions are identified by the Model model and serial number. This information is stamped on the transmission Transmission Serial identification tag and affixed to the case. Number Model Nomenclature Following is a nomenclature tree that describes the multiple configurations of the... -
Page 42: Lubricant Specifications
Adding incompatible fluid can may affect warranty coverage. result in poor transmission shifting quality, decreased transmission per- PACCAR approves the use of ATF818/ZF Transmissions equipped with Power Take- formance, or both. For any questions Lifeguard Hybrid 2 synthetic transmission... -
Page 43: Roadside Assistance
• Provides these services for FREE. performance, please refill with Open 24 hours a day, 365 days a year, call ZF-Lifeguard Hybrid 2 (ATF818) toll-free to talk to someone at the PACCAR Vehicle Support Center: Fill Date: • Kenworth customers... - Page 44 Index Index Engine Shutdown Engine Underspeed Protection Adaptive Driving Mode Adaptive Starting Gear Adding Transmission Fluid Auto-neutral Final Chassis Bill of Material Auto-park Automatic Mode, See Manual and Automatic Modes Automatic Transmission Maintenance Gear Display General Safety Instructions Changing gears, See Column Shifter Checking Transmission Fluid Level Column Shifter Manual and Automatic Modes...
- Page 45 Index Low Mode Operation Peak Operational Temperature: 203°F (95°C) (continued) Lubricant Specifications Every 223,000 miles /360,000 km / 4 yr Lubrication Every 60,000 mi / 96,000 km / 6 mos 31, 33, Draining the Transmission First 3,000-5,000 mi / 4,800-8,000 km 31, 33, Peak Operational Temperature: 221°F (105°C) Every 111,000 mi / 180,000 km / 4 yr Every 37,000 mi / 60,000 km / 3 yr...
- Page 46 Index Upshifting and Downshifting Using this Manual Vehicle Towing...
- Page 47 PACRI Powertrain P.O . Box 1518 x 1518 Bellevue , WA 98009 A 98009 Y53-1331-1B1...
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