Document Courtesy of Fly Parts Guy Co. www.FlyPartsGuy.com WEIFU ECU56 ELECTRONIC GOVERNOR Date : 13-08-18 PowerKit Engine Page : 3 / 14 Preface This manual mainly introduced the working principle, composition, adjustment, operation, maintenance and some simple fault elimination methods of the electronic speed control system.
Document Courtesy of Fly Parts Guy Co. www.FlyPartsGuy.com WEIFU ECU56 ELECTRONIC GOVERNOR Date : 13-08-18 PowerKit Engine Page : 5 / 14 The governor appearance is shown in the following figures. 4.1.3 Governor description The engine in the match, after a series of tests, the best calibration data was written to the governor.
Document Courtesy of Fly Parts Guy Co. www.FlyPartsGuy.com WEIFU ECU56 ELECTRONIC GOVERNOR Date : 13-08-18 PowerKit Engine Page : 6 / 14 Installation and commissioning Installation 5.1.1 Electronic governor installation The electronic governor actuator is connected with the pump at the factory. Just install the governor in the control box, the speed sensor installed in the engine housing, and then use the wiring harness to connect the rest parts.
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Document Courtesy of Fly Parts Guy Co. www.FlyPartsGuy.com WEIFU ECU56 ELECTRONIC GOVERNOR Date : 13-08-18 PowerKit Engine Page : 7 / 14 Governor and harness connector Connection between governor and harness Speed sensor connector Connection between harness and speed sensor...
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Document Courtesy of Fly Parts Guy Co. www.FlyPartsGuy.com WEIFU ECU56 ELECTRONIC GOVERNOR Date : 13-08-18 PowerKit Engine Page : 8 / 14 5.1.2 Harness switch definition On the harness delivered with the governor there are 2 switches, state switch 1 and state switch 2, as shown in the following figures.
Document Courtesy of Fly Parts Guy Co. www.FlyPartsGuy.com WEIFU ECU56 ELECTRONIC GOVERNOR Date : 13-08-18 PowerKit Engine Page : 9 / 14 Table showing the function of setting state switches on harness State switch 1 State switch 2 Function (3 wires)
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Page : 10 / 14 Adjusting region Governor Weifu ECU56 has 8 potentiometers and 2 dial switches as indicated in the following figure. Potentiometers and dial switches photo Potentiometers and dial switches drawing The 8 potentiometers and 2 dial switches are all named as indicated in the following table.
Document Courtesy of Fly Parts Guy Co. www.FlyPartsGuy.com WEIFU ECU56 ELECTRONIC GOVERNOR Date : 13-08-18 PowerKit Engine Page : 11 / 14 The definition and operation of the knob type potentiometer The range of Device name Function definition Operating characteristics...
Document Courtesy of Fly Parts Guy Co. www.FlyPartsGuy.com WEIFU ECU56 ELECTRONIC GOVERNOR Date : 13-08-18 PowerKit Engine Page : 12 / 14 Fault diagnosis and treatment Detailed description Method of inspection or Phenomenon Solution of phenomenon cause of damage When the engine start Check the battery is ok.
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Document Courtesy of Fly Parts Guy Co. www.FlyPartsGuy.com WEIFU ECU56 ELECTRONIC GOVERNOR Date : 13-08-18 PowerKit Engine Page : 13 / 14 Detailed description Method of inspection or Phenomenon Solution of phenomenon cause of damage Remove the actuator, check Replace actuator if actuator is not...
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Document Courtesy of Fly Parts Guy Co. www.FlyPartsGuy.com WEIFU ECU56 ELECTRONIC GOVERNOR Date : 13-08-18 PowerKit Engine Page : 14 / 14 Detailed description Method of inspection or Phenomenon Solution of phenomenon cause of damage Genset control When Reduce the load applied on the...
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