Visual Inspection
目视检查应当为故障诊断的第一步。 拆卸任何部件前，确保已释放系统压力。 采用以下方式目视检查系统：
- 检查软管和管路有无磨损或裂纹。
- 检查有无以下流动阻碍：急弯, 安装不当的卡箍, 损坏的软管 和 损坏的管路。
- 检查有无松动的连接。
- 检查有无损坏的部件。
在确定空气系统故障时，首先执行测试和调整, "目视检查"内的步骤。 如果完成目视检查后未找到故障根源，则执行测试和调整, "运行检查"内的步骤。 如果仍不能确定故障所在，执行本手册测试和调整小节内的步骤。
Caterpillar Information System:
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2008/06/09 Shutdown the Jacket Water Heater During Generator Set Operation {1383}
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