C4.4 (MECH) Industrial Engine and Generator Sets Caterpillar


Electric Starting Motor - Remove and Install

Usage:

C4.4 2L2

拆卸步骤

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

发动机的意外启动会对在设备上工作的人员造成伤害或死亡。

为避免发动机意外启动,将蓄电池负极(-)端子上的蓄电池电缆拆下。 将所有拆下的蓄电池电缆末端的金属表面用胶布完全粘住,以防止其与其它的金属表面接触而激活发动机的电子系统。

在启动/停止开关的位置上放置“不要操作”的标签,以通知他人该设备正在维修之中。


  1. 将蓄电池断路开关转到断开位置。

  1. 如有必要,卸下曲轴箱通气孔软管。 请参阅拆解和组装, "曲轴箱呼吸器 - 拆卸"。

  1. 在连接至电动起动马达及电磁阀的所有线束组件上做出临时识别标记。



    图 1g01261155

    典型示例

  1. 从电动起动马达及电磁阀上断开线束组件。

  1. 从电动起动马达 (1) 上卸下螺母 (3) 。

    注: 卸下螺母的过程中,支撑电动起动马达的重量。

  1. 卸下电子起动马达 (1) 。

  1. 如有必要,卸下螺柱 (2) 。

安装步骤




图 2g01261155

典型示例

  1. 如有必要,安装螺柱 (2) 。

  1. 将电动起动马达 (1) 与螺柱 (2) 对齐。 安装电起动马达。

  1. 安装螺母 (3) 。 不同类型起动马达的螺母尺寸不同。

    拧紧 M10 螺母至扭矩为 44 ± 11 N·m (32 ± 8 lb ft)。

    拧紧 M12 螺母至扭矩为 78 ± 19.5 N·m (57 ± 14 lb ft)。

  1. 将线束组件连接到电动起动马达及电磁阀上。

  1. 如有必要,安装曲轴箱通气孔软管。 请参阅拆解和组装, "曲轴箱呼吸器 - 安装"。

  1. 将蓄电池断路开关转到接通位置。

Caterpillar Information System:

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