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(1) TD series AC small-sized generators are negative ground. The polarity of the battery ground must be the same as that of the head. Otherwise, the batteries will discharge through the diodes and cause the diodes to burn immediately. When the battery is connected, the positive electrode is usually installed first. After installing the iron wire.
(2) When the small generator is running, do not use the spark test method to check whether the generator generates electricity, because it is easy to damage the diode.
(3) When the engine is not running, the ignition switch should be turned off. Otherwise, the battery current will periodically flow through the field winding and the regulator field coil and burn the coil.
(4) The wires between the small generator and the battery must be connected reliably. If they are suddenly disconnected, excessive voltage will be generated and the diodes will be easily damaged.
(5) When a small generator has a fault (no power generation or small charging current), it should be checked in time and it should not be continued for a long time, otherwise it will cause damage to other diodes or stator windings.
(6) When the six silicon diodes of the rectifier are connected to the stator windings, Megohmmeter (rocking table) or 220V AC power supply is absolutely prohibited to check the insulation of the generator, otherwise the breakdown of the diode is broken.
(7) The surface of the small generator should also be kept clean and the ventilation should be smooth; the transmission belt should be tight and elastic (use 98N force to press the belt, the deflection should be about 9~11mm.
Problems to be aware of when maintaining small generators!
Problems to be aware of when maintaining small generators!