Measuring Engine Oil Pressure
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| 所需工具 | 数量 | ||
|---|---|---|---|
| 1U-5470 | 发动机压力表总成 | 1 | |
不正确的发动机机油压力表和不正确的发动机机油压力传感器将提供发动机机油压力低或发动机机油压力高的错误指示。 使用 1U-5470 发动机压力表总成测量发动机机油压力。 遵照工具中所附专门说明书, SEHS8907, "使用 1U-5470 发动机压力表总成"中的说明。
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在运转的发动机周围工作时要小心。 热的或移动的发动机零件可能导致人身伤害。 |
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| 图 1 | g03790521 |
| (1) 油道螺塞 | |
在油道螺塞 (1) 处测量通往缸体各侧凸轮轴和主轴承的发动机机油压力。 发动机处于工作温度时，满负荷转速下正确的最低发动机机油压力应约为
比较发动机机油压力表和电子维修工具指示的发动机机油压力结果。 如果在这些发动机机油压力读数之间有明显的差异，确定原因。
如果发动机机油压力太低或太高，确定原因并排除故障。 如果发动机机油压力表或发动机机油压力传感器不正确，更换可疑部件。
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