G3612 and G3616 Engines Caterpillar


Valve Cover Base - Remove and Install

Usage:

G3612 BB2

拆卸步骤

开始:

  1. 拆下阀室盖。


    图 1g03831418

    注: 图中编号 (7) 为摇臂的调整螺钉。

  1. 卸下固定摇臂组件 (2) 的两个螺栓 (1)。 卸下摇臂组件。 卸下进气阀的中心推杆。 在摇臂组件上作识别标记,以便可以将组件安装至恰当位置。

  2. 在推杆 (4) 上作识别标记,以便可以将推杆 (4) 安装至恰当位置。 卸下推杆 (4)。

  3. 卸下阀桥 (3)。 确定各个阀桥的位置,以便可以将阀桥 (3) 安装至恰当位置。

  4. 检查每个阀桥的孔是否磨损。 确保阀桥内的润滑油道通畅。

  5. 检查阀桥定位销 (5) 是否磨损。 如果必须卸下阀桥定位销,请参阅本手册中拆解和装配, "缸盖 - 拆解"章节。

  6. 检查摇臂轴支架的销 (6)(未显示)。 定位销必须在支架上方 8 ± 1 mm (0.315 ± 0.039 inch) 处。

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