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一台东方红—54拖拉机的发动机大修后测试功率,多次测试的结果都是37kW,比正常功率(40kW)低3kW。我们认真检查了测试过程,复查了检修记录,各系统或机构均符合修理标准要求,估计原因出在装配上。从运转情况来看,发动机只在高速运转时稍冒黑烟,低速运转时有轻微不均匀的现象。初步认定故障出在供油系统。但检查各缸供油
A Dongfanghong -54 tractor engine overhaul test power, the results of multiple tests are 37kW, lower than the normal power (40kW) 3kW. We carefully examined the testing process, reviewed the inspection records, the system or organization are in line with the repair standards, it is estimated that the reasons for the assembly. From the operation point of view, the engine only slightly smoky at high speeds, low speed operation with a slight uneven phenomenon. Preliminary identified the fault lies in the fuel supply system. But check the cylinder fuel