The repair methods for gasoline generators that do not produce electricity are: 1. Check and correct the wiring errors of small gasoline generators according to the circuit diagram 2. The excitation windings of the small generator main fuel or exciter are poorly connected; , resulting in incorrect polarity, must be checked and corrected; 3. The silicon rotating rectifier element fails and is short-circuited, and the forward and reverse directions are both conductive. Use a multimeter to check the front and rear resistance of the. rectifier element and replace the damaged element; 4. The main generator excitation winding is disconnected, use a multimeter. Check and measure the main generator excitation winding. The resistance is infinite. The excitation line must be connected. Severe short circuit in each winding of small gasoline generator or main exciter. LThe armature winding is short circuited. Generally, there is obvious overheating of the excitation winding. the damaged winding must be replaced.
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The repair method of the gasoline generator not producing electricity is as follows:
1 . Wiring error according to line Check and correct images.
2. The windings are poorly connected, resulting in incorrect polarity. This needs to be checked and corrected. The rotating silicon rectifier element is short-circuited and conducts in both the forward and reverse direction. and reverse resistance of the rectifier element and replace it if damaged.
3. The main generator excitation winding is disconnected. Use a digital multimeter to check and measure the main generator excitation winding. The resistance is infinite and must be connected to the lineof excitement.
4. The windings of the small and medium-sized automobile gasoline generator or exciter of the main engine are severely short-circuited, and there is usually significant overheating. A short circuit of the excitation winding can be judged by the resistance of its main and tributary currents. Damaged windings must be replaced.
Tips
Use a digital multimeter to check the voltage range. Turn the digital multimeter knob to the DC voltage range of 30 V. Connect the red test lead to the synchronous motor terminal. the generator set and the black test lead to the chassis. Let the engine run at medium speed, the voltage standard of 12V electrical system should be about 14V, and the voltage standard of 24V electrical system should be about 28V. If the measured voltage is the voltage of the battery, this means that the generator does not produceelectricity.