Pistons and Connecting Rods - Remove
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所需工具 | |||
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工具 | 零件号 | 零件描述 | 数量 |
A(1) | 9U-6198 | 曲轴转动工具 | 1 |
A(2) | 9U-7336 | 盘车装置壳体 | 1 |
5P-7305 | 齿轮 | 1 | |
B | 8S-2269 | 缸口铰刀 | 1 |
C | 227-4390 | E12 梅花套筒 | 1 |
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(1) | 曲轴转动工具用于前皮带轮。 |
(2) | 该工具在电动起动马达的孔上使用。 |
开始:
- 拆下缸盖。 请参阅拆解和组装, "缸盖 - 拆卸"。
- 如果发动机配备平衡器,则卸下该平衡器。 请参阅拆解和组装, "平衡器 - 拆卸"。 如果发动机未配备平衡器,则卸下发动机机油泵。 请参阅拆解和组装, "发动机油泵 - 拆卸和安装"。
- 拆下活塞冷却喷嘴。 请参阅拆解和组装, "活塞冷却喷嘴 - 拆卸和安装"。
注: 可以使用两个工具 (A) 中的任意一个。 请使用最适用的工具。
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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。 |
- 使用工具 (A),转动曲轴,使曲柄销处于下止点位置。
- 使用工具 (B) 除去缸孔顶部内表面上的积碳。
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图 1 g01479383 - 连杆和连杆盖侧面应有浸蚀编号 (X)。 连杆和连杆盖上的编号必须相互匹配。 确保标记连杆和连杆盖 (2) 的正确位置。 如有必要,在连杆和连杆盖上做出一个临时的标记来识别缸号。
注: 请勿压印连杆组件。 在连杆组件上压印或冲孔会导致连杆断裂。
- 使用工具 (C) 拆下螺栓 (1),然后从连杆上拆下连杆盖 (2)。
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图 2 g01479386 典型示例 - 小心地把活塞 (3) 和连杆组件推出缸孔。 将活塞抬出缸体顶部。
注: 不要推压连杆的断面分裂面,否则会导致损坏。
- 在从发动机上取出组件后,暂时将连杆盖 (2) 和螺栓 (1) 安装到连杆上。 拧紧螺栓 (1) 至扭矩为
15 N·m (132.76 lb in) 。注: 放置断面分裂式连杆时必须要安装连杆盖。 确保连杆盖与连杆上的蚀刻编号相互匹配。 确保连杆盖的朝向正确。
- 对其余的活塞和连杆,重复步骤 1 至步骤 5。
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