Valtra T144 Operator's Manual page 11

4.7.3 Weekly maintenance...................................................................................... 273
4.7.3.1 Greasing the rear linkage......................................................... 273
4.7.3.2 Checking the pick-up hitch........................................................276
4.7.3.3 Greasing the Nordic and Euro pick-up hitch............................. 277
4.7.3.4 Greasing the hydraulic pick-up hitch.........................................278
4.7.3.5 Checking and greasing the front linkage.................................. 279
4.7.3.6 Checking the front power take-off.............................................280
4.7.3.7 Greasing the brake mechanism................................................281
4.7.3.8 Greasing front axle mounting bearings.....................................281
4.7.3.9 Greasing air-suspended front axle mounting bearings............. 282
4.7.3.10 Checking belts' tension.............................................................283
4.7.3.11 Changing the fan and alternator belt........................................ 284
4.7.3.12 Checking the tyre pressure.......................................................285
4.7.3.13 Checking the emergency brake................................................ 286
4.7.3.14 Checking the windscreen washer fluid amount........................ 286
4.7.3.15 Checking the air pressure system antifreeze fluid amount....... 287
4.7.4 Maintenance every 600 hours........................................................................ 288
4.7.4.1 Checking, cleaning and greasing the battery terminals............ 288
4.7.4.2 Changing the engine oil and the oil filter...................................289
4.7.4.3 Changing the cab ventilation air filter........................................291
4.7.4.4 Changing the Skyview equipment cab ventilation air filter........292
4.7.4.5 Changing the recirculation filter................................................ 293
4.7.4.6 Changing the Skyview equipment cab recirculation filter......... 294
4.7.4.7 Checking the front loader frame bolt tightness......................... 295
4.7.4.8 Checking the wheel nut tightness............................................. 300
4.7.4.9 Checking the brake pedal free travel........................................ 300
4.7.4.10 Adjusting the brake pedal free travel........................................ 300
4.7.4.11 Checking the parking brake...................................................... 301
4.7.4.12 Adjusting the parking brake...................................................... 302
4.7.4.13 Changing transmission oil filters............................................... 303
4.7.4.14 Changing the hydraulic system oil filter.................................... 304
4.7.4.15 Checking the engine breathing system.....................................305
4.7.4.16 Checking the oil level in the front axle differential.....................305
4.7.4.17 Checking the oil level in front axle hubs................................... 306
4.7.4.18 Changing oil in the hubs of the front axles with brakes............ 306
4.7.4.19 Changing the front PTO housing oil and washing the oil filter.. 307
4.7.4.20 Checking front PTO couplings.................................................. 308
4.7.4.21 Checking and greasing the trailer air-pressure brake system.. 309
4.7.4.22 Checking the air pressure system's automatic water draining..309
4.7.4.23 Filling the air pressure system antifreeze container................. 311
4.7.4.24 Adjusting engine valves............................................................ 311
4.7.4.25 Updating the software and calibrating the tractor..................... 311
4.7.5 Maintenance every 1200 hours or yearly....................................................... 312
4.7.5.1 Changing the oil in the transmission and hydraulic system...... 312
4.7.5.2 Changing oil in the front axle differential...................................313
4.7.5.3 Changing oil in the front axle hubs........................................... 314
4.7.5.4 Changing the fuel filter..............................................................314
4.7.5.5 Changing the fuel prefilter.........................................................315
4.7.5.6 Changing engine air filters........................................................ 317
4.7.5.7 Changing the selective catalytic reduction system
breather and supply module main filter.....................................318
4.7.5.8 Checking the front wheel toe-in................................................ 321
4.7.5.9 Adjusting the front wheel toe-in................................................ 321
4.7.5.10 Changing the transmission and hydraulics breather.................322
4.7.5.11 Cleaning the suction strainer.................................................... 323
4.7.5.12 Checking the power shuttle operation...................................... 324
4.7.6 Maintenance every 2400 hours or every other year.......................................324
4.7.6.1 Bleeding the brake system....................................................... 324
4.7.6.2 Bleeding the front axle brake system........................................326
4.7.6.3 Cleaning the cooling system.....................................................327
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