Engine Air Cleaner Service Indicator - Inspect
维修指示器安装在发动机每侧的空气滤清器滤芯上。
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| 图 1 | g02722215 |
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空气滤清器上的维修指示器 | |
观察维修指示器。 发生下列情况时，清洁或更换空气滤清器滤芯：
- 维修指示器窗口变红。
- 空气阻力达到
6.2 kPa (25 in H2O) 。
维修指示器是重要的仪器。
检查复位是否容易。 维修指示器在三次以下的按下尝试后应当复位。如果维修指示器不容易复位，应更换维修指示器。 如果新的维修指示器也不能复位，则维修指示器的接头可能已堵住。
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| 图 2 | g02627558 |
如有必要，在严重多尘的环境下，维修指示器需要频繁地更换。 不管运转情况如何，每年都要更换维修指示器。 发动机大修和更换主要发动机部件时，更换维修指示器。
注: 安装新的维修指示器时，拧得过紧可能使维修指示器顶部开裂。 拧紧维修指示器至扭矩为
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