82 LELY WELGER AP 530 AP 630 AP 730 AP 8305.4 EnvironmentLubricants5.4.1Dispose of lubricants properly and do not pollute theenvironment. Observe the safety data sheets of the lubricantsused. 1 litre of oil pollutes 1 million litres of water. 1 litre of oil pollutes 10 million cubic metres of soil.Consumables5.4.2Twines, and machine parts thrown away pollute theenvironment. They endanger in particular the animal world.Therefore: dispose of twines, and machine parts in aprofessional manner.Hydraulic oil5.4.3The machine operates with hydraulic fluid supplied by thetractor hydraulic. The hydraulic fluid remains in the hydraulicsystem when the tractor is not connected.Caution! Oil spillage or leakageEffect: Environmental HazardsMaintain or repair the hydraulic system only on suitable ground.Do this in the repair shop or the garage.