Flywheel - Remove and Install
拆卸步骤
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| 所需工具 | |||
|---|---|---|---|
| 工具 | 零件号 | 零件描述 | 数量 |
| A | 138-7575 | 连杆支架 | 1 |
| B | 9U-6238 | 导向螺栓 | 2 |
| C | - | LOCTITE C5-A 铜防粘结剂 | 1 |
开始:
- 拆下发电机。
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| 注意 |
|---|
在进行检验、保养、测试、调整及维修产品期间，必须小心以确保装好排放出的油液。 在打开任何舱室或解体任何储有液体的部件之前，要准备好合适的容器收集液体。 有关收集和盛接 Cat 产品上油液的适用工具和用品，请参阅专门出版物, NENG2500, "代理商维修工具目录"。 按照当地法规和要求处置所有液体。 |
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| 注意 |
|---|
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。 |
- 拆下曲轴转速传感器 (1) 。
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 | |
| 图 1 | g02712201 |
- 拆下两个飞轮螺栓，然后安装工具 (B) 。
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| 图 2 | g00792609 |
- 固定工具 (A) ，然后拆下其余的飞轮螺栓。 拆下飞轮 (3) 。 飞轮 (3) 的重量约为 150 kg (330 lb)。
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| 图 3 | g00792611 |
典型示例。 显示的工具 (A) 不是表中所称的工具。 | |
- 如果需要更换，将齿轮 (4) 从飞轮上拆下。
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| 图 4 | g00792613 |
安装步骤
- 按与拆卸相反的顺序安装飞轮 (3) 。
- 将齿轮 (4) 加热到 320 °C (608 °F) 的最高温度。 将齿轮 (4) 安装到飞轮上。 确保有倒角的齿轮一侧远离飞轮。
- 拧紧飞轮 (3) 的螺栓至扭矩为 270 ± 27 N·m (199 ± 20 lb ft)。
- 将工具 (C) 涂覆到曲轴转速传感器 (1) 的螺纹上。 拧紧扭矩至 40 ± 5 N·m (30 ± 4 lb ft)。
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