Machine Operates in Only One Speed Range
系统运作描述:
速度选择开关将机器置于高速范围或低速范围。 当控制装置输入接地时，机器以低速范围工作。 当速度选择开关处于低速位置时，输入接地。 如果存在速度故障，控制装置可能不指示任何故障。 检查下列区域：
测试步骤 1. 检查电路是否正常工作
- 检查所有配线线束接头是否连接松动。
- 检查开关和控制装置之间的线束配线。
- 检查速度选择开关是否工作正常。
- 检查从速度选择开关到地面之间的线束配线。
- 检查电源和控制装置接地。
结果:
- 找到故障。 - 机器正常工作。停止
Caterpillar Information System:
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