3046 Engine for Caterpillar Built Machines Caterpillar


Glow Plugs - Test

Usage:

D4C III 1FW

预热塞导通性检查

表 1
所需工具 
零件号  零件名称  数量 
237-5130  数字万用表 

以下测试用于检查预热塞的导通性。

  1. 断开电源和母线。

  2. 设置 237-5130 数字万用表以检查导通性(电阻)。 打开数字万用表的声音信号。

  3. 将一支表笔放在预热塞接头上,另一支表笔放在适当的接地上。 数字万用表应发出声响。 如果不导通,则需更换预热塞。

  4. 检查所有预热塞的导通性。

检查预热塞的工作情况

表 2
所需工具 
零件号  零件名称  数量 
231-5130  数字万用表 
225-8266  电流表 

以下测试用于检查预热塞的工作情况。

  1. 断开电源和母线。

  2. 只连接一个预热塞的电源。

  3. 225-8266 电流表放在电源线上。

  4. 237-5130 数字万用表连接到预热塞的端子上和适当的接地上。

  5. 将开关转到接通位置以启用预热塞。

  6. 检查所有预热塞的读数。 请参阅技术规格, "预热塞",了解各预热塞的电流值。

  7. 如果电流表上没有读数,检查电气连接情况。 如果电流表上的读数偏低,更换预热塞。 如果仍没有读数,更换预热塞。

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