13 Maintenance 13.3 Maintenance schedule 67089 00 0293 210 2 - BA DOMINATOR 150/140/130 - 12/09 271 Maintenance operations Service intervals in working hours Before the harvest After the first Daily Every Once a year or every 500 every 2 years As required After the harvest 10 100 50 100 250 Hydraulic system Hydraulic system Oil level check • • • Hydraulic system Oil / oil filter / Fresh air filter element change • Electrical / electronic equipment Battery acid level check • • Cab / operator's platform Cab air filter clean • Cab air filter change • • Cab recirculation air filter clean • • Cab roof-mounted units clean • • Air conditioner put into operation • Air conditioner refrigerant moisture saturation check • • Air conditioner refrigerant change (only through authorised workshop) • • Intake Feed rake conveyor retainers clean • Feeder chains adjust • • Slip clutch feeder chain adjust • Rasp plate on feed rake conveyor check • Threshing mechanism Concave adjust • • Threshing mechanism clean • Stone trap clean • • Separation Straw walker clean • Deflector curtain check • Performance monitor sensors clean • • Cleaning unit Performance monitor sensors clean • • Fan clean • Setting the fan speed gauge • Stepped preparation floors clean • Sieves clean •