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1.确定第一缸上止点位置将百分表架置于一缸附近。摇转柴油机,当活塞上行至接近上止点时,让百分表的测头触及活塞顶部;继续缓慢摇转柴油机,当表针突然反转的瞬间,将表针拨指零位,此点即为上止点。此时,飞轮上的1/4刻线应对准缸体上的刻线。 2.确定第一缸供油提前角的位置缓慢反转曲轴,使飞轮上的1/4刻线距缸体刻线7～8.4个齿(见图1),即相当于第一缸供油提前角23°±3°。旋出油尺一侧飞轮壳上的M8螺塞,使之与飞轮上的φ6.2孔对准,
1. Determine the top dead center of the first cylinder Place the dial gauge near a cylinder. Shake the diesel engine, when the piston up to close to the top dead center, let the dial probe touch the top of the piston; continue to slowly rotate the diesel engine, when the needle suddenly reversal of the moment, the needle dial zero, this point is Top deadline. At this point, the 1/4 reticle on the flywheel should be aligned with the reticle on the cylinder. 2. Determine the position of the first cylinder fuel supply advance angle slowly reverse the crankshaft, so that 1/4 of the flywheel engraved from the cylinder block 7 to 8.4 teeth (see Figure 1), which is equivalent to the first cylinder fuel Advance angle of 23 ° ± 3 °. Unscrew the M8 plug on the flywheel housing on the dipstick side and align it with the φ6.2 hole on the flywheel,