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朱彬同志: 您好！您提出的问题,用经验法基本上可使点火正时。首先将曲轴上的正时齿轮或正时链轮装好,转动曲轴使活塞处于上止点,装复凸轮轴上的正时齿轮,然后起动发动机,如果发动机加速有力,说明点火已正时;如果发动机加速明显无力,说明点火过迟,可将正时齿轮旋转一小角度(约10°)再装复,旋转方向与凸轮轴转动方向相反。
Comrade Zhu Bin: Hello! Your question, using empirical methods can basically make the ignition timing. First, install the timing gear or timing sprocket on the crankshaft, turn the crankshaft so that the piston is at the top dead center, install the timing gear on the camshaft, and then start the engine. If the engine accelerates strongly, it indicates that the ignition is on. If the engine is obviously weak acceleration, indicating that the ignition is too late, the timing gear can be rotated a small angle (about 10 °) and then re-installed, rotating direction and camshaft rotation in the opposite direction.