3003, 3013, 3014 and 3024 Engines for Caterpillar Built Machines Caterpillar


Engine Oil Pump - Inspect

Usage:

CB-214D 1TZ
如果发动机机油泵的任何零件磨损到足以影响发动机机油泵的性能的话,则必需更换发动机机油泵。

执行下列步骤以检查发动机机油泵。 请参阅技术规格, "发动机机油泵"。



图 1g00458938
惰轮和发动机机油泵部件
(1) C 形夹
(2) 套环
(3) 弹簧
(4) 垫片
(5) 机油泵盖
(6) 内转子
(7) 弹簧
(8) 外转子
(9) 衬套
(10) 惰轮
(11) 止推垫圈

  1. 拆卸前壳体。 拆下 C 形夹 (1)。

    注: 拆下前壳体之后,不要转动曲轴。

  2. 拆解发动机机油泵。 有关更多资料,请参阅拆解和组装, "发动机机油泵 - 拆卸"。 没有观察到损坏的情况下不要从惰轮 (10) 上卸下衬套 (9)。

  3. 清洁所有零件并检查零件的金属部分有无裂纹或是其他损坏。 检视部件有无磨损。 确保惰轮 (10) 中的衬套 (9) 没有松动。


    图 2g00459701
    内转子与外转子之间的间隙

  4. 将惰轮和内转子安装到轴上。 测量内转子 (6) 与外转子 (8) 之间的间隙 (A)。

    请参阅技术规格, "发动机机油泵"。



    图 3g01290817
    机油泵盖的表面位于惰轮表面上方
    (1) C 形夹
    (2) 套环
    (4) 垫片
    (12) 塞尺

  5. 使用塞尺 (12) 测量 C 形夹 (1) 与套圈 (2) 间的距离。

  6. 发动机机油泵部件安装在前壳体上时,C 形夹 (1) 和套圈 (2) 之间的新部件测量值 (B) 必须在 0.10 to 0.15 mm (0.004 to 0.006 inch) 之间。 旧零件的尺寸 B 不得超过 0.20 mm (0.008 inch)

    表面间的距离通过垫片 (4) 调节。 垫片的厚度由技术规格, "发动机机油泵"中给定。



    图 4g00826185

  7. 将发动机机油泵的部件和前壳体安装到缸体上。 确保两个定位销与衬套、外转子和惰轮上的孔对齐。

    将惰轮安装在机油泵轴上时,对齐惰轮 (10) 上的正时标记 (15) 与曲轴齿轮 (16) 上的正时标记。 此外,还要对齐惰轮 (10) 上的另一个正时标记 (15) 与凸轮轴齿轮 (13) 上的正时标记。 机油泵盖 (5) 上的孔 (14) 应与前壳体上的定位销对齐。

    注: 若前壳体未安装在发动机上,请勿转动曲轴。

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