3508C, 3512C and 3516C Marine Engines Caterpillar


Housing (Front) - Remove

Usage:

3512C 2A2

拆卸步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
1P-0074  滑锤拉拔器 
8B-7557 带螺纹的接头 
138-7573  连杆支架 
1P-0520  冲头总成 
导向螺柱
5/8 - 11 x 8 in 

开始:

  1. 拆卸机油滤清器壳体。 参考拆解和组装, "发动机机油滤清器壳体 - 拆卸"。

  2. 拆下曲轴前密封和承磨衬套。 参考拆解和组装, "曲轴前密封和耐磨衬套 - 拆卸"。

  3. 必要时,拆下附件驱动器。 参考拆解与组装, "附件驱动器(前)- 拆卸"。

  4. 必要时,拆下发动机油泵和水泵驱动。 参考拆解与组装, "附件驱动器(前)- 拆卸"。


注意

保持所有零件清洁无杂质。

杂质会造成快速磨损並縮短部件使用寿命。




    图 1g01246380

  1. 拆下螺栓和盖 (1)。 将密封垫从前壳体 (2) 上拆下。

  2. 卸下螺栓和端盖 (3)。 将 O 形密封圈从盖上拆下。


    图 2g01131889

  3. 拆下螺栓 (7)。 使用工具 (A) 从前壳体 (2) 上拆下轴 (4)。 从轴上拆下 O 形密封圈 (8)。

  4. 将惰齿轮 (5)和止推垫圈 (9)从前壳体上拆下。

  5. 使用工具 (C) 和适当的压具从惰轮 (5) 上拆下套筒轴承 (6)。


    图 3g01131907

  6. 将工具 (B) 和适当的起吊设备连接到前壳体 (2) 。 前壳体 (2) 的重量约为 181 kg (400 lb)。 拆卸两个螺栓 (10) 并安装工具 (D)。 拆下将前壳体固定到缸体上的剩余螺栓 (10)。 拆卸前壳体。

  7. 将密封垫 (11)从前壳体和缸体上拆下。

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