3524B Engines for 797 and 797B Off-Highway Trucks Caterpillar


Coolant Temperature Sensor - Test

Usage:

3524B 1AW

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

溢出的带压液体可能导致人身伤害。

如果压力表上显示有压力值,从散热器上拆卸任何软管之前,应先按压放气阀来释放压力。


简介

使用此步骤检查冷却液温度传感器。

所需工具

表 1
所需工具 
零件号  零件名称  数量 
2F-7112  温度计 
6B-5072  过渡衬套 

测试准备



图 1g00769081
测试位置
(1) 塞

  1. 关闭发动机。

  2. 让发动机冷却。

  3. 拆下塞 (1)。

  4. 安装 6B-5072 过渡衬套和 2F-7112 温度计。

  5. 连接 Cat®电子技师 (ET) 与维修工具接头。

测试步骤

注: 进行本测试之前,确保冷却液处于正确的液位。

  1. 启动 Cat ET。

  2. 起动并运转发动机,直到其温度达到预定范围,此温度以测试温度计的温度为准。

  3. 监控 Cat ET 上显示的冷却液温度。 监视测试温度计显示的冷却液温度。

  4. 将 Cat ET 上显示的冷却液温度与测试温度计上显示的冷却液温度相比较。 如果两个测量值大致相同,说明传感器没问题。 如果两个测量值并非相同,则说明传感器有问题。 安装新传感器,验证问题是否已得到解决。

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