Engine Crankcase Pressure (Blowby) - Test
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| 所需工具 | ||
| 零件号 | 零件名称 | 数量 |
| 348-5430 | 多用工具总成 | 1 |
活塞或活塞环损坏会造成曲轴箱内压力过高。 这种状况会导致发动机运转不平稳。 从曲轴箱通气装置冒出的烟雾（窜气）量也会高于正常水平。 然后，呼吸器很快便会堵塞。 这种情况可造成密封垫和密封的异常漏油。 窜气也可能因磨损的阀导管或损坏的涡轮增压器密封件而导致的。
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| 图 1 | g02167834 |
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348-5430 多用工具总成 | |
该 348-5430 多用工具总成用于检查窜气量。 有关检查窜气的测试步骤，请参阅工具操作手册, NEHS1087, " 348-5430 多用工具总成"。
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