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分电器上一般装有三套点火时间调节装置,即离心式点火提前调节装置、真空式点火提前调节装置和汽油辛烷值校正器。三者各自独立工作,实际的点火提前角是三者共同作用完成的。一般情况下,当选定汽油牌号后,相应的点火时刻由辛烷值校正器人工校正,基本上不再改变。发动机在运转过程中的最佳点火提前角,则由离心式和真空式两种点火提前调节装置根
Distributor generally equipped with three sets of ignition timing adjustment device, that is, centrifugal ignition advance adjustment device, vacuum ignition advance adjustment device and gasoline octane calibrator. The three work independently, the actual ignition advance angle is completed by the three together. Under normal circumstances, when the selected gasoline grade, the corresponding ignition timing by the octane corrector manual correction, basically no longer change. Engine in the course of the operation of the best ignition advance angle, by the centrifugal and vacuum two kinds of ignition advance regulation device root