Fuel Injection Timing - Check
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| 所需工具 | |||
| 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 | 壳体 | 1 |
| 5P-7305 | 发动机盘车工具 | 1 | |
| B | 230-6284 | 正时销（凸轮轴） | 1 |
| C | 136-4632 | 正时销（曲轴） | 1 |
| 268-1966 | 适配器 | 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。 |
- 使用工具 (A) 沿正常旋转方向旋转曲轴，直到 1 号活塞处于上止点位置。 有关正确的步骤，请参阅系统操作、测试和调整, "查找 1 号活塞上止点位置"。
- 确保齿轮上的正时标记对齐。
- 如果喷油泵的轴不在图 1 中所示的位置，则喷油泵正时可能不正确。 如有必要，拆下喷油泵。 请参阅拆解和组装以了解正确步骤。
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图 1 g03347244 典型实例 - 如有必要，安装喷油泵。 请参阅拆解和组装以了解正确步骤。 确保喷油泵轴在图 1 中所示的正确位置。 角度 (Y) 应为 43 度。 角度 (Z) 应为 18 度。
Caterpillar Information System:
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