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我们在夏检时,将一台东方红—-54拖拉机的发动机修检后经过测试,功率却达不到要求的标准,比正常的功率低3kW(约4马力)。这究竟是什么原因呢?经过反复讨论和回忆,安装喷油器时好像四个喷油器的固定螺母的拧紧圈数有点不同。再加上发动机着火的声音稍有不均匀,特别是小油门时才有一点感觉,排气也稍有黑烟。初步认为故障发生在供油上,于是将四个喷油器在车上分别进供油量、雾化质量、供
During the summer semester, we tested a Dongfanghong -54 tractor engine and tested the power for less than the required standard, 3kW (about 4 horsepower) lower than the normal power. What is the reason behind this? After repeated discussions and recalls, when installing the fuel injector, it seems that there are a few differences in the number of tightening torques of the fixing nuts of the four fuel injectors. Coupled with the sound of the engine on fire slightly uneven, especially when there is a little throttle feeling a little smoke exhaust. Initially that the fault occurred in the oil supply, so the four injectors were in the car respectively into the fuel supply, atomization quality, for