Valtra T144 Operator's Manual page 12

Contents
4.8
5 Troubleshooting..................................................................................370
5.1
5.2
5.3
5.4
5.5
5.6
5.7
6 Technical specifications..................................................................... 382
6.1
6.2
6.3
6.4
4.7.6.4 Checking the engine vibration damper..................................... 330
4.7.6.5 Maintaining the air conditioning................................................ 330
Checks and adjustments..................................................................................331
4.8.1 Changing tyres............................................................................................... 331
4.8.1.1 Setting the tyre parameter........................................................ 332
4.8.1.2 Tyre parameters....................................................................... 333
4.8.2 Track widths................................................................................................... 334
4.8.2.1 Front axle track widths..............................................................335
4.8.2.2 Rear axle track widths.............................................................. 335
4.8.3 Using chains...................................................................................................336
4.8.4 Using twin-mounted wheels........................................................................... 336
4.8.5 Engine............................................................................................................ 337
4.8.5.1 Bleeding the fuel system...........................................................337
4.8.6 Electrical system............................................................................................ 338
4.8.6.1 Safety precautions for the electrical system............................. 338
4.8.6.2 Checking the battery.................................................................338
4.8.6.3 Alternator.................................................................................. 339
4.8.6.4 Protecting the electrical system before welding........................339
4.8.6.5 Fuses and relays...................................................................... 340
4.8.6.6 Fuses and relays in the cab electric centre.............................. 341
4.8.6.7 Fuses and relays in the roof electric centre.............................. 348
4.8.6.8 Fuses and relays in the Skyview equipment roof electric
centre........................................................................................351
4.8.6.9 Fuses and relays in the main electric centre............................ 353
4.8.6.10 Fuses and relays in the engine electric centre......................... 355
4.8.6.11 Adjusting headlights..................................................................357
4.8.7 Power transmission system............................................................................358
4.8.7.1 Changing the rear power take-off shaft.................................... 358
4.8.7.2 Checking the transmission ratio of a power take-off driven
trailer.........................................................................................359
4.8.8 Steering system..............................................................................................359
4.8.8.1 Adjusting the steering angle..................................................... 359
4.8.9 Cab and shields..............................................................................................360
4.8.9.1 Cleaning the cab ventilation air filter.........................................360
4.8.9.2 Cleaning the Skyview equipment cab ventilation air filter.........362
4.8.9.3 Adjusting steps for driving off-road........................................... 363
4.8.9.4 Checking and adjusting front mudguards................................. 364
4.8.9.5 Adjusting flexible front mudguards............................................365
4.8.10 Auxiliary hydraulics.........................................................................................366
4.8.10.1 Adjusting the rear valve cables.................................................366
4.8.11 Towing devices...............................................................................................368
4.8.11.1 Adjusting lifting links of the pick-up hitch.................................. 368
4.8.11.2 Maintaining the automatic jaw of the wagon towing device...... 369
Handling error situations.................................................................................. 370
Warnings on the Proline instrument panel display...........................................370
Identifying a blocked transmission or hydraulic system filter........................... 371
Viewing service codes..................................................................................... 373
Viewing the IO list............................................................................................ 374
Steering system malfunctions.......................................................................... 375
Towing the tractor............................................................................................ 376
5.7.1 Towing the tractor when the engine is running.............................................. 376
5.7.2 Towing the tractor when the engine is not running........................................ 379
Dimensions...................................................................................................... 382
Masses.............................................................................................................382
Maximum permissible axle loading.................................................................. 382
Technically permissible towable masses......................................................... 383
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