C4.4 Industrial Engine Caterpillar


Glow Plugs - Test

Usage:

C4.4 444

电热塞导通性检查

下述测试用于检查电热塞的导通性。

  1. 断开电源和母线。

  1. 使用适当的数字万用表检查导通性(电阻)。 将数字万用表的声音信号接通。

  1. 将一支表笔放在电热塞接头上,另一支表笔放在适当的接地上。 数字万用表应发出声响。 如果无导通性,则需更换电热塞。

  1. 检查所有电热塞的导通性。

检查电热塞的工作情况

下述测试用于检查电热塞的工作情况。

  1. 断开电源和母线。

  1. 只将一个电热塞接通电源。

  1. 将适当的安培计放在电源线上。

  1. 将适当的数字万用表连接至电热塞的接线端及适当的接地上。

  1. 将开关转到接通位置,启动电热塞。

    表 1
    12 伏系统    
    安培     时间(s)    
    16.6     初始的    
    12     5.7    
    9     11.1    
    7     20    
    6     60    

    表 2
    24 伏系统    
    安培     时间(s)    
    9     初始的    
    7     3.3    
    6     5.3    
    3     60    

  1. 检查每个电热塞上的读数。

  1. 如果安培计上没有读数,则检查电气连接情况。 如果安培计上的读数偏低,则更换故障电热塞。 如果仍无读数,则更换故障电热塞。

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