C6.6 Engines for Caterpillar Built Machines Caterpillar


Glow Plugs - Test

Usage:

CS-56B 437

预热塞导通性检查

以下测试用于检查预热塞的导通性。

  1. 断开电源和母线。

  2. 使用适当的数字万用表检查导通性(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

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. 将适当的电流表放在电源线上。

  4. 将适当的数字万用表接至预热塞端子上及适当的接地上。

  5. 将开关转到接通 位置以启用预热塞。

    表 1
    12 伏系统 
    安培  时间(秒) 
    16.6  初始 
    12  5.7 
    11.1 
    20 
    60 

    表 2
    24 伏系统 
    安培  时间(秒) 
    初始 
    3.3 
    5.3 
    60 

  6. 检查每个预热塞的读数。

  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,则更换故障预热塞。 如果依然没有读数,则更换故障预热塞。

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