C4.4 Industrial Engine Caterpillar


Engine Oil Relief Valve - Remove and Install - Engines Without a Balancer Unit

Usage:

C4.4 444

拆卸步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
1U-7262  伸缩磁铁 

开始:

  1. 拆下发动机油底壳。 请参阅拆解和组装, "发动机油底壳 - 拆卸和安装"。


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。




图 1g01470289
典型实例

------ WARNING! ------

被弹簧力爆出的零件击中,会招致人员伤害。

确保穿上所有必要的保护装备。

遵照建议的程序,并使用所有建议的工具以释放弹簧力。


  1. 卸下螺栓 (6) 和吸入管 (7)。

  2. 从吸入管上卸下垫片 (5)(未显示)。

  3. 拧松盖 (2)。 小心地从发动机机油泵 (1) 的壳体上卸下盖 (2)。

    注: 卸下盖后会释放弹力。

  4. 从发动机机油泵 (1) 的壳体中的安全阀孔上卸下弹簧 (4)。

  5. 使用工具 (A),从发动机机油泵 (1) 的壳体中的安全阀孔上卸下柱塞 (3)。

安装步骤


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。




图 2g01470289
典型实例

------ WARNING! ------

弹簧压缩零件如果安装不当,会伤害人体。

为避免伤害,遵照出版的装配程序,并穿上保护装备。


  1. 确保所有部件清洁、无磨损或损坏。 如有必要,更换所有磨损或损坏的部件。 如果发动机机油泵 (1) 的壳体中的安全阀孔磨损或损坏,必须更换整个发动机机油泵组件。

  2. 使用清洁的发动机机油润滑柱塞 (3)。 使用尖嘴钳,将柱塞 (3) 和弹簧 (4) 安装到发动机机油泵 (1) 的壳体中的安全阀孔中。

    注: 柱塞必须能在安全阀孔中自由滑动。

  3. 将盖 (2) 安装到发动机机油泵 (1) 上。 拧紧盖至扭矩为 45 N·m (33 lb ft)

    注: 确保弹簧正确安装在柱塞上和盖内。

  4. 安装吸入管 (7)和一个新垫片 (5)(未显示)到发动机机油泵的组件上。

  5. 安装螺栓 (6)。 将螺栓拧紧至扭矩 22 N·m (16 lb ft)

结束:

  1. 安装发动机油底壳。 请参阅拆解和组装, "发动机油底壳 - 拆卸和安装"。

Caterpillar Information System:

C4.4 Industrial Engine Engine Oil Relief Valve - Remove and Install - Engines with a Balancer Unit
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