C9 Engine for Caterpillar Built Machines Caterpillar


Pistons and Connecting Rods - Assemble

Usage:

MH3049 HPB

组装步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
4C-3601  活塞环扩展器 
1P-1861  挡圈钳 


注意

保持所有零件清洁无杂质。

杂质会造成快速磨损和缩短部件寿命。



注意

验证活塞和连杆是否正确组装。 确保连杆和连杆盖上刻的号码处在正确的位置。 连杆和连杆盖的标号对应应该安装的气缸。




    图 1g01139074


    图 2g01139072

    注: 此发动机配备裂解式连杆。 必须小心处理裂解式连杆。 用软口的台钳固定好连杆。 然后将活塞销组装到连杆、活塞裙和活塞冠上。

  1. 检查活塞环 (5) 的端隙。 请参阅技术规格, "活塞和活塞环"。

  2. 利用工具 (A) 安装机油控制活塞环。 应从活塞环端隙转动弹簧两侧 180 度。

  3. 安装中间活塞环时使标有 "UP-2" 的一侧朝向活塞顶部。 使用工具 (A),安装活塞环。

  4. 安装顶活塞环时使标有 "UP-1" 的一侧朝向活塞顶部。 使用工具 (A),安装活塞环。

  5. 检查活塞冠部 (6) 中的轴承 (7)。 如果活塞冠部磨损或损坏的话,必须进行更换。

  6. 将活塞裙 (2) 和活塞冠 (6)在连杆 (1) 上放置到位。 将清洁的发动机机油涂敷在活塞销 (4) 上,然后安装活塞销 (4)。 使用工具 (B),安装挡圈 (3)。 确保挡圈 (3) 位于活塞裙部 (2) 的凹槽中。

结束:

  1. 安装活塞和连杆。 请参阅拆解和组装, "活塞和连杆 - 安装"。

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