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太脱拉(TATRA)138型汽车装用T-928型柴油机.这种发动机系四冲程、直接喷射式、ω型燃烧室、风冷V型8缸(气缸夹角75°)柴油机,缸径为120毫米,行程为130毫米,压缩比为16.5∶1,最大功率为180马力(2000转/分时),平均有效压力为6.9公斤/厘米~2.由于结构上的特点和修理上的一些问题,在运用中经常出现活塞敲击声.该发动机的这种故障,往往用一般修理方法不能彻底排除,解体检查也较困难.在保养和修理时,为减轻这种敲击
TATRA Model 138 car equipped with T-928 diesel engine is a 4-stroke, direct injection, ω-type combustion chamber, air-cooled V-8 cylinder (cylinder angle 75 °) diesel engine with a bore of 120 Mm, a stroke of 130 mm, a compression ratio of 16.5: 1, a maximum power of 180 horsepower (2000 rpm) and an average effective pressure of 6.9 kg / cm ~ 2. Due to structural features and repairs of some problems, In the use of piston knocking often occur.The engine of this failure, often with the general repair methods can not be completely ruled out, disintegration inspection is more difficult.In the maintenance and repair, in order to alleviate the percussion