S195柴油机曲轴齿轮在使用维修中,常出现磨损快,易滚键的故障,在更换时很不易拔出。为此建议,曲轴齿轮副向里加长3～5毫米,同时将键槽延长3～5毫米,如图所示。这样既可防止滚键,又可利用齿端与曲轴轴颈 S195 diesel engine crankshaft gear in the use of maintenance, often appear fast wear, easy to roll key failure, it is difficult to remove when the replacement. For this reason, the crankshaft gear pair is lengthened 3 to 5 mm inward while extending the keyway by 3 to 5 mm, as shown in the figure. This will prevent the rolling key, but also the use of tooth ends and crankshaft journal