Idler Gear - Remove and Install
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所需工具 | |||
工具 | 零件号 | 零件描述 | 数量 |
A | 390-1135 | 惰轮工具 | 1 |
开始:
- 拆下后壳体。
注: 参考技术规格, "发动机设计",了解非指定的发动机扭矩值。
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注意 |
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保持所有零件清洁无杂质。 杂质会造成快速磨损和缩短部件寿命。 |
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注意 |
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在检验、保养、测试、调整及维修产品时,务必留心,确保液体盛装在容器中。 在打开任何腔室或拆解任何储有液体的部件之前,要准备好用合适的容器收集液体。 按照本地法规和指令处置所有液体。 |
- 找到 4 号活塞的上止点。 请参阅测试和调整, "找到 4 号活塞上止点"。
- 确保凸轮轴齿轮和曲轴齿轮上的正时标记 (X) 对准。 参考图 1。
- 确保惰轮和凸轮轴齿轮上的正时标记 (Y) 对准。 参考图 2。
- 确保惰轮和喷油泵齿轮上的正时标记 (Z) 对准。 参考图 3。
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图 4 g02795984 - 将螺栓 (2)、垫圈 (3) 和惰轮轴从惰轮 (1) 上拆下。 拆下惰轮 (1) 和垫圈。
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图 5 g02795985 - 使用工具 (A) 将惰轮轴承 (4) 从惰轮 (1) 上拆下。
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图 1 | g02795977 |
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图 2 | g02795978 |
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图 3 | g02795981 |
正时标记的对准 |
- 按与拆卸相反的顺序安装惰轮 (1)。
- 拧紧螺栓 (2) 至扭矩为
49 to 55 N·m (36 to 41 lb ft) 。 - 确保齿轮、缸体表面和惰轮 (1) 清洁,没有磨损或损坏。 如有必要,更换所有磨损或损坏的部件。
- 使用清洁的发动机机油润滑惰轮轴承表面 (4)。
- 检查惰轮轴和惰轮轴套之间的机油间隙。 参考技术规格, "齿轮总成(前部)",了解允许间隙。
- 检查惰轮轴套的惰轮轴外径和内径。
- 拧紧螺栓 (2) 至扭矩为
Caterpillar Information System:
HVOF Identifier 396-9342 Group{0599, 0669, 0679, 7000} HVOF Identifier 396-9342 Group{0599, 0669, 0679, 7000}
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