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 way is:
(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 belt tray engraved lines, where the symbol "I" that top dead center, symbol "Ⅱ" Said before the top dead center 14º ~ 16º), see Figure (217)
(2) Put the oil pump flange on the engine and draw a line on the flange of the arrow on the window. The arrow on the engine inspection window will be "copied" on the oil pump flange Put the flange gear back to the pump
(3) Install the pre-short stroke measuring device, look for the pre-stroke end point of the first cylinder (cylinder B) according to the working steering of the oil pump (when the oil supply starts), when the position of the pre-stroke end point is found, immediately on the transmission gear of the oil pump Is engraved on the flange marking, so that has been found in the pump gear on the first cylinder and flange engraved mark corresponding to the beginning of the oil supply
(4) The helical gear with the first song after the first crank symbols, the pump installed as long as the mark on the engine view window on the arrow
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