4.7 Maintenance schedule chart Maintenance Maintenance schedule chart Service procedure see page Check parking brake 4-46 Check air conditioner compressor belt tension, adjust 4-47 Check for loose wheel hub bolts, tighten 4-48 Clean element in air conditioner recirculation filter 4-48 Lubricating 4-49 4.8.7 Every 500 hours service 4-50 Change oil in engine oil pan, replace engine oil filter cartridge 4-50 Replace fuel filter cartridge 4-52 Replacement of filter cartridge for poor-quality fuel 4-53 Clean water separator strainer 4-54 Lubricating 4-55 4.8.8 Every 1000 hours service 4-56 Change oil in transfer case 4-56 Clean transfer case breather 4-57 Replace HST oil filter element 4-58 Lubricating 4-59 Check tightening parts of turbocharger 4-59 Check play of turbocharger rotor 4-59 Check alternator driving belt tension and replacement 4-59 4.8.9 Every 2000 hours service 4-60 Change oil in hydraulic tank, replace hydraulic filter element 4-60 Replace hydraulic tank breather element 4-61 Cleaning the strainer of the brake filter 4-62 Change axle oil 4-63 Replace element in air conditioner recirculation air filter, fresh air filter 4-64 Check alternator, starting motor 4-64 Check engine valve clearance, adjust 4-64 Check brake disc wear 4-65 Clean and check turbocharger 4-66 Check accumulator gas pressure 4-66 Check vibration damper 4-66 4.8.10 Every 4000 hours service 4-67 Lubricating 4-67 Check water pump 4-67 WA150-5H – VEAM934100 4-21