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2.2 发动机机械系统维修
2.2.1 发动机机械系统维护与调整
(1)发动机基本检查与调整(表2-3)
表2-3 发动机基本检查与调整步骤
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(2)点火正时检查与调整(表2-4)
表2-4 点火正时检查与调整步骤
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2.2.2 曲柄连杆机构维修
(1)机体缸盖组维修 气缸盖的拆检步骤见表2-5,气缸体的检测步骤见表2-6。
表2-5 气缸盖的拆检步骤
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表2-6 气缸体的检测步骤
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(2)活塞连杆组检修(表2-7)
表2-7 活塞连杆组检修步骤
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(3)曲轴飞轮组检修(表2-8)
表2-8 曲轴飞轮组检修步骤
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2.2.3 配气机构维修
(1)气门组拆卸(表2-9)
表2-9 气门组拆卸步骤
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(2)气门检修 气门的常见损伤如图2-1所示。气门检修项目及方法见表2-10。
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图2-1 气门的常见损伤
表2-10 气门检修项目及方法
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(3)气门座检修(表2-11)
表2-11 气门座检修步骤
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(4)气门组装配(表2-12)
表2-12 气门组装配步骤
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