Measuring Inlet Manifold Temperature
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| 所需工具 | 数量 | |
| 4C-6500 数字温度计 | 1 | |
进气歧管空气温度高将会降低发动机的功率输出。 如果温度高于触发点，则 ECM 将产生警告或停机。
使用 Caterpillar 电子技术（ET）监测进气歧管空气温度。 可使用 4C-6500 数字温度计确认此温度。
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| 图 1 | g00827973 |
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后冷器顶部的螺塞的俯视图和右侧视图 | |
为了测量进气歧管空气温度，使用 4C-6500 数字温度计。 从后冷器顶部拆下螺塞。 将温度探针插入螺塞到位。 当发动机在满负载运转时，测量温度。
如果进气歧管空气温度太高，检查节温阀和独立回路的冷却系统。
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