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柴油机经长期使用后,由于油泵传动零件及柱塞副的磨损或拆修,造成供油时间变化。供油时间过迟,会出现排气管冒烟,发动机过热,功率下降等;供油时间过早会出现摇车时有倒车,不易起动,发动机有敲击声,功率明显下降等现象。因此,必须及时检查、调整柴油机的供油提前角。一、检查供油提前角的简易办法(以S—195柴油机为例): 1.油动法。将燃油系统充满燃油,拆除高压油管,吹除出油阀紧座处的燃油,慢慢摇转曲轴,当发现紧座上有燃油流出,立即停止转动曲轴,检查飞轮上供油提前角的记号,应对准或接近水箱上刻线。如
Diesel engine after long-term use, due to pump drive parts and plunger pair wear or repair, resulting in changes in fuel supply time. Oil supply time is too late, there will be exhaust pipe smoking, engine overheating, power down, etc .; oil supply too early when the car will have reversing, not easy to start, engine percussion sound, the power decreased significantly. Therefore, we must promptly check and adjust the diesel fuel supply advance. First, check the fuel supply advance angle easy way (S-195 diesel engine, for example): 1. Oil Act. Fill the fuel system with fuel, remove the high-pressure fuel pipe, blow off the oil at the seat of the oil valve and slowly crank the crankshaft. When it is found that there is fuel outflow on the seat, stop the crankshaft immediately and check the mark of fuel supply advance angle on the flywheel , Should be aligned or close to the tank engraved line. Such as