rka tractors operator's manual for information on your specific model rk tractors periodic check and service table* - all rk tractor models area item daily service interval - engine hours annual engine olol engine oil & filter air cleaner radiator coolant fuel fuel filter fan belt battery loose nuts & bolts to radiator hose clamp transmission oil & hst filter front axle oil fuel stainer brake pedals level operation toe-in grease - front wheel hub steering joint wheel nut torque loose nuts & bolts to instrumentation grease zerks electrical wiring hydraulic hoses & connectors chassis high-demand applications key to symbols replace critical maintenance rk tractors maintenance check points • implement and accessory blades and belts for wear and damage functions • abnormal noise or vibrations cleaner primary element