Chapter 4RULES OF USETo obtain the best performance from the equipment,carefully follow what is set up below.ATTENTION!All maintenance work, adjustments and prepa-ration for operation, must be carried out with thepower take-off of the tractor disconnected, themachine on the ground on its supporting feet, thetractor not running, the wheels blocked and thekey turned off.4.1 ATTACHMENT THE TRAC-TORThe machine may be attached to any tractor fitted out witha threepoint universal joint.DANGER!The attachment to the tractor is a very danger-ous phase. Be sure to follow the instructionscarefully throughout the operation.4.1.1 HookingThe correct tractor/machine position, is determined byplacing the equipment at a distance from the tractor sothat the cardan joint remains extended by 5-10 cm from itsmaximum closing position.At this point, proceed as follows:1. Hook the lifter bars onto the pins provided (1, Fig. 4.1- 4.2). Block with the snap split pins. Hook the chainsto the lifting bars.Figure 4.1: Lower linkagesFigure 4.2: Tie rodsFigure 4.3: Inserting the shaft2. Hook the upper third point (2, Fig.4.2); the pin mustbe locked with the specific split pin; using the adjust-21