上柴12V135ZD型柴油机大修技术-1-目录1.概述........................................................................................................................-2-1.1大修条件..........................................................................................................-2-1.2主要维修内容..................................................................................................-2-1.3技术要求..........................................................................................................-2-1.4维修程序..........................................................................................................-3-2.发动机的拆卸、零件清洗....................................................................................-4-2.1拆卸注意事项..................................................................................................-4-2.2拆卸顺序和方法..............................................................................................-4-2.3零件清洗..........................................................................................................-5-3.发动机检修............................................................................................................-6-3.1汽缸体和汽缸盖..............................................................................................-6-3.2活塞连杆组......................................................................................................-6-3.3曲轴组件..........................................................................................................-7-3.4配气机构..........................................................................................................-7-3.5燃油系统..........................................................................................................-8-3.6润滑系统..........................................................................................................-9-4.发动机组装............................................................................................................-9-4.1汽缸盖组件的装配..........................................................................................-9-4.2柴油机总装配。..............................................................................................-9-5.发动机主要部件调整.........................................................................................-11-5.1气门间隙调整。...........................................................................................-11-5.2供油提前将的检查与调整...........................................................................-12--2-12V135ZD型柴油机大修技术1.概述12V135ZD型柴油机是上海柴油机厂生产,12缸V型增压水冷高速发电用柴油机,额定功率279KW。1.1大修条件柴油机是否需要大修,根据总的工作时间、使用条件和维护保养等具体情况来确定。当出现以下几种情况一般需要大修:(1)气缸磨损严重,柴油机运转无力,突加负荷后,转速明显下降且出现排气冒黑烟或蓝黑色烟。(2)常温启动困难,内部运动部件有敲击声。(3)正常温度运转时,气缸压力达不到规定值的65%,且运转中柴油、机油消耗量明显增加。(4)活塞与气缸之间间隙过大,轴瓦磨损量过大,曲轴轴颈和连杆轴颈磨损超过规定值。(5)柴油机发生倒缸、烧瓦、拉缸、顶缸等严重事故时。1.2主要维修内容(1)拆卸分解柴油机,清洗零件;(2)检查更换活塞组件、汽缸套、连杆轴瓦、气门、气门座、气门导管和弹簧等;(3)检查曲轴、凸轮轴、...