1JAZZInstruction book674097-GB-98/4HARDI INTERNATIONAL A/S reserve the right to make changes in design or to add new featureswithout any obligation in relation to implements purchased before or after such changes.ContentsEU Declaration of Conformity ......................................... 2Operator safety .............................................................. 3Description ..................................................................... 4Function diagram BK operating unit ............................... 5Connecting the sprayer .................................................. 6Transmission shaft .................................................... 6Rear lights (if fitted) ................................................... 8Roadworthyness ....................................................... 8Operating instructions .................................................... 8Filling the main tank .................................................. 8Operation of the boom .............................................. 9Adjustment of the BK controls ................................ 10Drain valve operation .............................................. 11Maintenance ................................................................. 12Cleaning the sprayer .................................................... 12Filters ...................................................................... 14Lubrication .............................................................. 14Re-adjustment of the boom .................................... 16Changing of valves and diaphragms ...................... 17Changing the ball seat in operating unit ....................... 18Nozzle tubes and fittings ......................................... 18Replacement of transmissionshaft protection guards ........................................... 19Replacement of transmission shaft cross journals. 19Off-season storage ....................................................... 20Operational problems ................................................... 21Technical specifications ............................................... 22Pictorial symbols .......................................................... 25Spare parts ................................................................... 32