If, for any reason, the mark is misplaced or the pump is removed at the end of the mark, the most reliable way is to remove the water tank, bellows, and open the timing gear chamber cover and re-mark according to the "X, Y, Z" mark on each transmission gear Assembly, but this method annoying, heavy workload, generally minimize the use of another method as follows: (1) the first diesel engine to the first cylinder before compression top 14 º ~ 16 º (14 º ~ 16 º before the top dead center in the crankshaft There are engraved lines on the belt reel. The symbol "I" indicates the top dead center, the symbol "II" indicates the top 14º ~ 16º before the top dead center. See picture (217) (2) Put the oil pump flange on the engine, And the flange is on the window of the arrow at the draw a line, about the engine inspection window on the arrow, "copy" in the pump flange, and then the flange drive gear back to the pump (3) On the short stroke measuring device, according to the work of the pump to find the first cylinder that cylinder B pre-stroke end point (fuel supply start time), when the pre-stroke end position to find immediately on the pump gear on the flange Marked on the plate marks, so the table In the pump gear has been found on the first cylinder and the flange on the engraved mark corresponding to the fuel supply starting point (4) helical gear with the first song on the fuel supply starting point mark, the pump installed as long as the This mark is on the arrow in the engine view window
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