Software The system can be adapted to different engines. » Possibility to set the slow turning speed (10, 15, 20, 25, 30, 35, 40,… rpm). » Option to choose the slow turn duration: by time (seconds) or by number of engine turns. » The customer can select the type of start (slow turn, slow turn + normal start, normal start). Electronic Card Performs the electronic control of the system with the input from the inductive sensor. » Voltage 24 VDC. » Easy to install to the engine’s ECU. » Alarm outputs, start attempt counter… Slow Turning Starting System Air Starters Operation Principle It consists of a variable torque supply from the starter to the engine. The starter will stop producing torque when the set point slow turn speed is reached and will provide torque again when the speed starts to decrease below the set point. This will result in a constant speed rotation of the engine. The system’s input is the engine speed from a speed sensor placed on the engine ring gear. Engine Speed Slow turn stage (60 rpm) t = 12 seconds Normal start Engine to idle speed 12 www.jbj.co.uk/air-starters #DriveLineHarmony
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