Gear Group (Front) - Time
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| 图 1 | g02911358 |
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(1) 高压燃油泵齿轮
(2) 凸轮轴齿轮 (3) 惰轮 (4) 曲轴齿轮 (5) 正时标记 | |
正确的喷油正时和气门机构操作是由曲轴齿轮 (4) 和凸轮轴齿轮 (2) 与惰轮 (3) 之间的正确正时确定的。 此外，高压燃油泵齿轮 (1) 必须与凸轮轴齿轮 (2) 正时。 前齿轮安装期间，惰轮 (3) 上的正时标记 (5) 必须对准曲轴齿轮 (4) 上的正时标记及凸轮轴齿轮 (2) 上的正时标记。 凸轮轴齿轮 (2) 上的 "0" 标记必须对准惰轮 (3) 上的正时标记。 凸轮轴齿轮 (2) 上的 "V" 标记必须对准燃油泵齿轮 (1) 上的 "V" 标记。
检查正时参考齿轮上的轮齿。 轮齿不应有损伤。 齿缘应清洁锐利，齿上应无污染物。
注: 重新组装前齿轮系后必须标定电子喷油正时。 参考故障诊断与排除, "发动机转速/正时传感器 - 标定"或故障诊断与排除, "正时 - 标定"了解更多信息。
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